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- added demo user program for the DK-TM4C123G board. 

git-svn-id: https://svn.code.sf.net/p/openblt/code/trunk@71 5dc33758-31d5-4daf-9ae8-b24bf3d40d73
This commit is contained in:
Frank Voorburg 2014-02-18 13:59:18 +00:00
parent 13d786ac33
commit 82acb8d718
109 changed files with 88258 additions and 0 deletions
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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Boot\blt_conf.h
* \brief Bootloader configuration header file.
* \ingroup Boot_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
#ifndef BLT_CONF_H
#define BLT_CONF_H
/****************************************************************************************
* C P U D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/* To properly initialize the baudrate clocks of the communication interface, typically
* the speed of the crystal oscillator and/or the speed at which the system runs is
* needed. Set these through configurables BOOT_CPU_XTAL_SPEED_KHZ and
* BOOT_CPU_SYSTEM_SPEED_KHZ, respectively. To enable data exchange with the host that is
* not dependent on the targets architecture, the byte ordering needs to be known.
* Setting BOOT_CPU_BYTE_ORDER_MOTOROLA to 1 selects little endian mode and 0 selects
* big endian mode.
*
* Set BOOT_CPU_USER_PROGRAM_START_HOOK to 1 if you would like a hook function to be
* called the moment the user program is about to be started. This could be used to
* de-initialize application specific parts, for example to stop blinking an LED, etc.
*/
/** \brief Frequency of the external crystal oscillator. */
#define BOOT_CPU_XTAL_SPEED_KHZ (16000)
/** \brief Desired system speed. */
#define BOOT_CPU_SYSTEM_SPEED_KHZ (50000)
/** \brief Motorola or Intel style byte ordering. */
#define BOOT_CPU_BYTE_ORDER_MOTOROLA (0)
/** \brief Enable/disable hook function call right before user program start. */
#define BOOT_CPU_USER_PROGRAM_START_HOOK (0)
/** \brief Compiler specific variable prefix to prevent its initialization during startup. */
#define BOOT_CPU_CONNECT_STATE_PREFIX __no_init
/****************************************************************************************
* C O M M U N I C A T I O N I N T E R F A C E C O N F I G U R A T I O N
****************************************************************************************/
/* The UART communication interface is selected by setting the BOOT_COM_UART_ENABLE
* configurable to 1. Configurable BOOT_COM_UART_BAUDRATE selects the communication speed
* in bits/second. The maximum amount of data bytes in a message for data transmission
* and reception is set through BOOT_COM_UART_TX_MAX_DATA and BOOT_COM_UART_RX_MAX_DATA,
* respectively. It is common for a microcontroller to have more than 1 UART interface
* on board. The zero-based BOOT_COM_UART_CHANNEL_INDEX selects the UART interface.
*
*/
/** \brief Enable/disable UART transport layer. */
#define BOOT_COM_UART_ENABLE (1)
/** \brief Configure the desired communication speed. */
#define BOOT_COM_UART_BAUDRATE (57600)
/** \brief Configure number of bytes in the target->host data packet. */
#define BOOT_COM_UART_TX_MAX_DATA (64)
/** \brief Configure number of bytes in the host->target data packet. */
#define BOOT_COM_UART_RX_MAX_DATA (64)
/** \brief Select the desired UART peripheral as a zero based index. */
#define BOOT_COM_UART_CHANNEL_INDEX (0)
/****************************************************************************************
* F I L E S Y S T E M I N T E R F A C E C O N F I G U R A T I O N
****************************************************************************************/
/* The file system interface is selected by setting the BOOT_FILE_SYS_ENABLE configurable
* to 1. This enables support for firmware updates from a file stored on a locally
* attached file system such as an SD-card. Note that this interface can be enabled
* together with one of the remote communication interfaces such as UART, CAN or USB.
*
* Set BOOT_FILE_LOGGING_ENABLE to 1 if you would like log messages to be created during
* a firmware update. The hook function FileFirmwareUpdateLogHook() will be called each
* time a new string formatted log entry is available. This could be used during testing
* by outputting the string on UART or to create a log file on the file system itself.
*
* Set BOOT_FILE_ERROR_HOOK_ENABLE to 1 if you would like to be informed in case an error
* occurs during the firmware update. This could for example be used to turn on an error
* LED to inform the user that something went wrong. Inspecting the log messages provides
* additional information on the error cause.
*
* Set BOOT_FILE_STARTED_HOOK_ENABLE to 1 if you would like to be informed when a new
* firmware update is started by the bootloader.
*
* Set BOOT_FILE_COMPLETED_HOOK_ENABLE to 1 if you would like to be informed when a
* firmware update is completed by the bootloader.
*/
/** \brief Enable/disable support for firmware updates from a locally attached storage.*/
#define BOOT_FILE_SYS_ENABLE (0)
/** \brief Enable/disable logging messages during firmware updates. */
#define BOOT_FILE_LOGGING_ENABLE (0)
/** \brief Enable/disable a hook function that is called upon detection of an error. */
#define BOOT_FILE_ERROR_HOOK_ENABLE (0)
/** \brief Enable/disable a hook function that is called at the start of the update. */
#define BOOT_FILE_STARTED_HOOK_ENABLE (0)
/** \brief Enable/disable a hook function that is called at the end of the update. */
#define BOOT_FILE_COMPLETED_HOOK_ENABLE (0)
/****************************************************************************************
* B A C K D O O R E N T R Y C O N F I G U R A T I O N
****************************************************************************************/
/* It is possible to implement an application specific method to force the bootloader to
* stay active after a reset. Such a backdoor entry into the bootloader is desired in
* situations where the user program does not run properly and therefore cannot
* reactivate the bootloader. By enabling these hook functions, the application can
* implement the backdoor, which overrides the default backdoor entry that is programmed
* into the bootloader. When desired for security purposes, these hook functions can
* also be implemented in a way that disables the backdoor entry altogether.
*/
/** \brief Enable/disable the backdoor override hook functions. */
#define BOOT_BACKDOOR_HOOKS_ENABLE (0)
/****************************************************************************************
* N O N - V O L A T I L E M E M O R Y D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/* The NVM driver typically supports erase and program operations of the internal memory
* present on the microcontroller. Through these hook functions the NVM driver can be
* extended to support additional memory types such as external flash memory and serial
* eeproms. The size of the internal memory in kilobytes is specified with configurable
* BOOT_NVM_SIZE_KB. If desired the internal checksum writing and verification method can
* be overridden with a application specific method by enabling configuration switch
* BOOT_NVM_CHECKSUM_HOOKS_ENABLE.
*/
/** \brief Enable/disable the NVM hook function for supporting additional memory devices. */
#define BOOT_NVM_HOOKS_ENABLE (0)
/** \brief Configure the size of the default memory device (typically flash EEPROM). */
#define BOOT_NVM_SIZE_KB (256)
/** \brief Enable/disable hooks functions to override the user program checksum handling. */
#define BOOT_NVM_CHECKSUM_HOOKS_ENABLE (0)
/****************************************************************************************
* W A T C H D O G D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/* The COP driver cannot be configured internally in the bootloader, because its use
* and configuration is application specific. The bootloader does need to service the
* watchdog in case it is used. When the application requires the use of a watchdog,
* set BOOT_COP_HOOKS_ENABLE to be able to initialize and service the watchdog through
* hook functions.
*/
/** \brief Enable/disable the hook functions for controlling the watchdog. */
#define BOOT_COP_HOOKS_ENABLE (0)
#endif /* BLT_CONF_H */
/*********************************** end of blt_conf.h *********************************/

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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\boot.c
* \brief Demo program bootloader interface source file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include "header.h" /* generic header */
/************************************************************************************//**
** \brief Bootloader activation function.
** \return none.
**
****************************************************************************************/
static void BootActivate(void)
{
/* perform software reset to activate the bootoader again */
SysCtlReset();
} /*** end of BootActivate ***/
#if (BOOT_COM_UART_ENABLE > 0)
/****************************************************************************************
* U N I V E R S A L A S Y N C H R O N O U S R X T X I N T E R F A C E
****************************************************************************************/
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static unsigned char UartReceiveByte(unsigned char *data);
/************************************************************************************//**
** \brief Initializes the UART communication interface.
** \return none.
**
****************************************************************************************/
void BootComInit(void)
{
/* enable the UART0 peripheral */
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
/* enable the and configure UART0 related peripherals and pins */
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
/* configure the UART0 baudrate and communication parameters */
UARTConfigSetExpClk(UART0_BASE, SysCtlClockGet(), BOOT_COM_UART_BAUDRATE,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
} /*** end of BootComInit ***/
/************************************************************************************//**
** \brief Receives the CONNECT request from the host, which indicates that the
** bootloader should be activated and, if so, activates it.
** \return none.
**
****************************************************************************************/
void BootComCheckActivationRequest(void)
{
static unsigned char xcpCtoReqPacket[BOOT_COM_UART_RX_MAX_DATA+1];
static unsigned char xcpCtoRxLength;
static unsigned char xcpCtoRxInProgress = 0;
/* start of cto packet received? */
if (xcpCtoRxInProgress == 0)
{
/* store the message length when received */
if (UartReceiveByte(&xcpCtoReqPacket[0]) == 1)
{
/* indicate that a cto packet is being received */
xcpCtoRxInProgress = 1;
/* reset packet data count */
xcpCtoRxLength = 0;
}
}
else
{
/* store the next packet byte */
if (UartReceiveByte(&xcpCtoReqPacket[xcpCtoRxLength+1]) == 1)
{
/* increment the packet data count */
xcpCtoRxLength++;
/* check to see if the entire packet was received */
if (xcpCtoRxLength == xcpCtoReqPacket[0])
{
/* done with cto packet reception */
xcpCtoRxInProgress = 0;
/* check if this was an XCP CONNECT command */
if ((xcpCtoReqPacket[1] == 0xff) && (xcpCtoReqPacket[2] == 0x00))
{
/* connection request received so start the bootloader */
BootActivate();
}
}
}
}
} /*** end of BootComCheckActivationRequest ***/
/************************************************************************************//**
** \brief Receives a communication interface byte if one is present.
** \param data Pointer to byte where the data is to be stored.
** \return 1 if a byte was received, 0 otherwise.
**
****************************************************************************************/
static unsigned char UartReceiveByte(unsigned char *data)
{
signed long result;
/* try to read a newly received byte */
result = UARTCharGetNonBlocking(UART0_BASE);
/* check if a new byte was received */
if(result != -1)
{
/* store the received byte */
*data = (unsigned char)result;
/* inform caller of the newly received byte */
return 1;
}
/* inform caller that no new data was received */
return 0;
} /*** end of UartReceiveByte ***/
#endif /* BOOT_COM_UART_ENABLE > 0 */
/*********************************** end of boot.c *************************************/

44
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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\boot.h
* \brief Demo program bootloader interface header file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
#ifndef BOOT_H
#define BOOT_H
/****************************************************************************************
* Function prototypes
****************************************************************************************/
void BootComInit(void);
void BootComCheckActivationRequest(void);
#endif /* BOOT_H */
/*********************************** end of boot.h *************************************/

69
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/****************************************************************************************
| Description: Demo program C startup source file
| File Name: cstart.s
|
|----------------------------------------------------------------------------------------
| C O P Y R I G H T
|----------------------------------------------------------------------------------------
| Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
|
|----------------------------------------------------------------------------------------
| L I C E N S E
|----------------------------------------------------------------------------------------
| This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
| modify it under the terms of the GNU General Public License as published by the Free
| Software Foundation, either version 3 of the License, or (at your option) any later
| version.
|
| OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
| without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
| PURPOSE. See the GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License along with OpenBLT.
| If not, see <http://www.gnu.org/licenses/>.
|
| A special exception to the GPL is included to allow you to distribute a combined work
| that includes OpenBLT without being obliged to provide the source code for any
| proprietary components. The exception text is included at the bottom of the license
| file <license.html>.
|
****************************************************************************************/
MODULE ?cstartup
; Forward declaration of section.
SECTION CSTACK:DATA:NOROOT(3)
PUBLIC __iar_program_start
EXTERN __cmain
EXTERN __vector_table
EXTWEAK __iar_init_core
EXTWEAK __iar_init_vfp
/****************************************************************************************
** NAME: __iar_program_start
** PARAMETER: none
** RETURN VALUE: none
** DESCRIPTION: Reset interrupt service routine. Configures the stack, initializes RAM
** and jumps to function main.
**
****************************************************************************************/
SECTION .text:CODE:REORDER(2)
THUMB
__iar_program_start:
; Initialize the stack pointer
LDR R3, =sfe(CSTACK)
MOV SP, R3
BL __iar_init_core
BL __iar_init_vfp
BL __cmain
REQUIRE __vector_table
END
/*********************************** end of cstart.s ***********************************/

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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\header.h
* \brief Generic header file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
#ifndef HEADER_H
#define HEADER_H
/****************************************************************************************
* Include files
****************************************************************************************/
#include "../Boot/blt_conf.h" /* bootloader configuration */
#include "boot.h" /* bootloader interface driver */
#include "irq.h" /* IRQ driver */
#include "led.h" /* LED driver */
#include "time.h" /* Timer driver */
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_nvic.h"
#include "inc/hw_sysctl.h"
#include "inc/hw_types.h"
#include "driverlib/sysctl.h"
#include "driverlib/gpio.h"
#include "driverlib/uart.h"
#include "driverlib/fpu.h"
#include "driverlib/interrupt.h"
#include "driverlib/systick.h"
#endif /* HEADER_H */
/*********************************** end of header.h ***********************************/

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Integrated Development Environment
----------------------------------
IAR Embedded Workbench for ARM v6.50 was used as the editor during the development of this software program. This directory contains
the Embedded Workbench project and worksapce files. More info is available at: http://www.iar.com/

24
Target/Demo/ARMCM4_TM4C_DK_TM4C123G_IAR/Prog/ide/settings/tm4c123g.cspy.bat Normal file
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@REM This batch file has been generated by the IAR Embedded Workbench
@REM C-SPY Debugger, as an aid to preparing a command line for running
@REM the cspybat command line utility using the appropriate settings.
@REM
@REM Note that this file is generated every time a new debug session
@REM is initialized, so you may want to move or rename the file before
@REM making changes.
@REM
@REM You can launch cspybat by typing the name of this batch file followed
@REM by the name of the debug file (usually an ELF/DWARF or UBROF file).
@REM
@REM Read about available command line parameters in the C-SPY Debugging
@REM Guide. Hints about additional command line parameters that may be
@REM useful in specific cases:
@REM --download_only Downloads a code image without starting a debug
@REM session afterwards.
@REM --silent Omits the sign-on message.
@REM --timeout Limits the maximum allowed execution time.
@REM
"C:\Program Files (x86)\IAR Systems\Embedded Workbench 6.5\common\bin\cspybat" "C:\Program Files (x86)\IAR Systems\Embedded Workbench 6.5\arm\bin\armproc.dll" "C:\Program Files (x86)\IAR Systems\Embedded Workbench 6.5\arm\bin\armlmiftdi.dll" %1 --plugin "C:\Program Files (x86)\IAR Systems\Embedded Workbench 6.5\arm\bin\armbat.dll" --flash_loader "C:\Program Files (x86)\IAR Systems\Embedded Workbench 6.5\arm\config\flashloader\TexasInstruments\FlashTC4_H6.board" --backend -B "--endian=little" "--cpu=Cortex-M4" "--fpu=VFPv4" "-p" "C:\Program Files (x86)\IAR Systems\Embedded Workbench 6.5\arm\CONFIG\debugger\TexasInstruments\TM4C123GH6PGE.ddf" "--drv_verify_download" "--semihosting" "--device=TM4C123GH6PGE" "--lmiftdi_speed=500"

97
Target/Demo/ARMCM4_TM4C_DK_TM4C123G_IAR/Prog/ide/settings/tm4c123g.dbgdt Normal file
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<?xml version="1.0" encoding="iso-8859-1"?>
<Project>
<Desktop>
<Static>
<Debug-Log>
<ColumnWidth0>20</ColumnWidth0><ColumnWidth1>1861</ColumnWidth1></Debug-Log>
<Build>
<ColumnWidth0>20</ColumnWidth0>
<ColumnWidth1>1395</ColumnWidth1>
<ColumnWidth2>372</ColumnWidth2>
<ColumnWidth3>93</ColumnWidth3>
</Build>
<Workspace>
<ColumnWidths>
<Column0>124</Column0><Column1>27</Column1><Column2>27</Column2><Column3>27</Column3></ColumnWidths>
</Workspace>
<Disassembly>
<col-names>
<item>Disassembly</item><item>_I0</item></col-names>
<col-widths>
<item>500</item><item>20</item></col-widths>
<DisasmHistory/>
<ShowCodeCoverage>1</ShowCodeCoverage><ShowInstrProfiling>1</ShowInstrProfiling></Disassembly>
</Static>
<Windows>
<Wnd0>
<Tabs>
<Tab>
<Identity>TabID-6158-952</Identity>
<TabName>Debug Log</TabName>
<Factory>Debug-Log</Factory>
<Session/>
</Tab>
<Tab>
<Identity>TabID-5635-962</Identity>
<TabName>Build</TabName>
<Factory>Build</Factory>
<Session/>
</Tab>
</Tabs>
<SelectedTab>0</SelectedTab></Wnd0><Wnd1>
<Tabs>
<Tab>
<Identity>TabID-16907-955</Identity>
<TabName>Workspace</TabName>
<Factory>Workspace</Factory>
<Session>
<NodeDict><ExpandedNode>tm4c123g</ExpandedNode><ExpandedNode>tm4c123g/Prog</ExpandedNode></NodeDict></Session>
</Tab>
</Tabs>
<SelectedTab>0</SelectedTab></Wnd1><Wnd2>
<Tabs>
<Tab>
<Identity>TabID-27655-958</Identity>
<TabName>Disassembly</TabName>
<Factory>Disassembly</Factory>
<Session/>
</Tab>
</Tabs>
<SelectedTab>0</SelectedTab></Wnd2></Windows>
<Editor>
<Pane><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\main.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>33</YPos2><SelStart2>3015</SelStart2><SelEnd2>3015</SelEnd2></Tab><ActiveTab>0</ActiveTab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\boot.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>94</YPos2><SelStart2>5540</SelStart2><SelEnd2>5540</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\vectors.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>41</YPos2><SelStart2>3165</SelStart2><SelEnd2>3165</SelEnd2></Tab></Pane><ActivePane>0</ActivePane><Sizes><Pane><X>1000000</X><Y>1000000</Y></Pane></Sizes><SplitMode>1</SplitMode></Editor>
<Positions>
<Top><Row0><Sizes><Toolbar-014efc58><key>iaridepm.enu1</key></Toolbar-014efc58></Sizes></Row0><Row1><Sizes><Toolbar-014fa8c8><key>debuggergui.enu1</key></Toolbar-014fa8c8></Sizes></Row1></Top><Left><Row0><Sizes><Wnd1><Rect><Top>-2</Top><Left>-2</Left><Bottom>741</Bottom><Right>198</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>104167</sizeHorzCX><sizeHorzCY>198413</sizeHorzCY><sizeVertCX>104167</sizeVertCX><sizeVertCY>737103</sizeVertCY></Rect></Wnd1></Sizes></Row0></Left><Right><Row0><Sizes><Wnd2><Rect><Top>-2</Top><Left>-2</Left><Bottom>741</Bottom><Right>198</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>104167</sizeHorzCX><sizeHorzCY>198413</sizeHorzCY><sizeVertCX>104167</sizeVertCX><sizeVertCY>737103</sizeVertCY></Rect></Wnd2></Sizes></Row0></Right><Bottom><Row0><Sizes><Wnd0><Rect><Top>-2</Top><Left>-2</Left><Bottom>198</Bottom><Right>1922</Right><x>-2</x><y>-2</y><xscreen>1924</xscreen><yscreen>200</yscreen><sizeHorzCX>1002083</sizeHorzCX><sizeHorzCY>198413</sizeHorzCY><sizeVertCX>104167</sizeVertCX><sizeVertCY>198413</sizeVertCY></Rect></Wnd0></Sizes></Row0></Bottom><Float><Sizes/></Float></Positions>
</Desktop>
</Project>

70
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[Stack]
FillEnabled=0
OverflowWarningsEnabled=1
WarningThreshold=90
SpWarningsEnabled=1
WarnLogOnly=1
UseTrigger=1
TriggerName=main
LimitSize=0
ByteLimit=50
[InterruptLog]
LogEnabled=0
SumEnabled=0
GraphEnabled=0
ShowTimeLog=1
ShowTimeSum=1
SumSortOrder=0
[DataLog]
LogEnabled=0
SumEnabled=0
GraphEnabled=0
ShowTimeLog=1
ShowTimeSum=1
[Breakpoints2]
Count=0
[Interrupts]
Enabled=1
[MemoryMap]
Enabled=0
Base=0
UseAuto=0
TypeViolation=1
UnspecRange=1
ActionState=1
[Trace1]
Enabled=0
ShowSource=1
[LMIFTDIDriver]
LMI_ResetMode=0x00000000
[DebugChecksum]
Checksum=-499964012
[Exceptions]
StopOnUncaught=_ 0
StopOnThrow=_ 0
[CallStack]
ShowArgs=0
[Disassembly]
MixedMode=1
[Log file]
LoggingEnabled=_ 0
LogFile=_ ""
Category=_ 0
[TermIOLog]
LoggingEnabled=_ 0
LogFile=_ ""
[CallStackLog]
Enabled=0
[DriverProfiling]
Enabled=0
Mode=0
Graph=0
Symbiont=0
Exclusions=
[Disassemble mode]
mode=0
[Breakpoints]
Count=0
[Aliases]
Count=0
SuppressDialog=0

49
Target/Demo/ARMCM4_TM4C_DK_TM4C123G_IAR/Prog/ide/settings/tm4c123g.wsdt Normal file
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<?xml version="1.0" encoding="iso-8859-1"?>
<Workspace>
<ConfigDictionary>
<CurrentConfigs><Project>tm4c123g/Debug</Project></CurrentConfigs></ConfigDictionary>
<Desktop>
<Static>
<Workspace>
<ColumnWidths>
<Column0>344</Column0><Column1>27</Column1><Column2>27</Column2><Column3>27</Column3></ColumnWidths>
</Workspace>
<Build><ColumnWidth0>20</ColumnWidth0><ColumnWidth1>1395</ColumnWidth1><ColumnWidth2>372</ColumnWidth2><ColumnWidth3>93</ColumnWidth3></Build><Find-All-Declarations><ColumnWidth0>142</ColumnWidth0><ColumnWidth1>20</ColumnWidth1><ColumnWidth2>243</ColumnWidth2></Find-All-Declarations><TerminalIO/><Debug-Log><ColumnWidth0>18</ColumnWidth0><ColumnWidth1>371</ColumnWidth1></Debug-Log></Static>
<Windows>
<Wnd2>
<Tabs>
<Tab>
<Identity>TabID-23736-13759</Identity>
<TabName>Workspace</TabName>
<Factory>Workspace</Factory>
<Session>
<NodeDict><ExpandedNode>tm4c123g</ExpandedNode><ExpandedNode>tm4c123g/Libraries</ExpandedNode><ExpandedNode>tm4c123g/Output</ExpandedNode><ExpandedNode>tm4c123g/Prog</ExpandedNode><ExpandedNode>tm4c123g/Prog/lib</ExpandedNode><ExpandedNode>tm4c123g/Source</ExpandedNode></NodeDict></Session>
</Tab>
</Tabs>
<SelectedTab>0</SelectedTab></Wnd2><Wnd3><Tabs><Tab><Identity>TabID-11003-23003</Identity><TabName>Build</TabName><Factory>Build</Factory><Session/></Tab><Tab><Identity>TabID-13665-29690</Identity><TabName>Find All Declarations</TabName><Factory>Find-All-Declarations</Factory><Session/></Tab><Tab><Identity>TabID-2562-1429</Identity><TabName>Debug Log</TabName><Factory>Debug-Log</Factory><Session/></Tab></Tabs><SelectedTab>0</SelectedTab></Wnd3></Windows>
<Editor>
<Pane><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\main.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>0</YPos2><SelStart2>759</SelStart2><SelEnd2>759</SelEnd2></Tab><ActiveTab>0</ActiveTab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\boot.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>94</YPos2><SelStart2>5540</SelStart2><SelEnd2>5540</SelEnd2></Tab><Tab><Factory>TextEditor</Factory><Filename>$WS_DIR$\..\vectors.c</Filename><XPos>0</XPos><YPos>0</YPos><SelStart>0</SelStart><SelEnd>0</SelEnd><XPos2>0</XPos2><YPos2>41</YPos2><SelStart2>3165</SelStart2><SelEnd2>3165</SelEnd2></Tab></Pane><ActivePane>0</ActivePane><Sizes><Pane><X>1000000</X><Y>1000000</Y></Pane></Sizes><SplitMode>1</SplitMode></Editor>
<Positions>
<Top><Row0><Sizes><Toolbar-014efc58><key>iaridepm.enu1</key></Toolbar-014efc58></Sizes></Row0></Top><Left><Row0><Sizes><Wnd2><Rect><Top>-2</Top><Left>-2</Left><Bottom>579</Bottom><Right>418</Right><x>-2</x><y>-2</y><xscreen>200</xscreen><yscreen>200</yscreen><sizeHorzCX>104167</sizeHorzCX><sizeHorzCY>198413</sizeHorzCY><sizeVertCX>218750</sizeVertCX><sizeVertCY>576389</sizeVertCY></Rect></Wnd2><Wnd3><Rect><Top>0</Top><Left>0</Left><Bottom>0</Bottom><Right>7</Right><x>-2</x><y>577</y><xscreen>1924</xscreen><yscreen>200</yscreen><sizeHorzCX>1002083</sizeHorzCX><sizeHorzCY>198413</sizeHorzCY><sizeVertCX>218750</sizeVertCX><sizeVertCY>382937</sizeVertCY></Rect></Wnd3></Sizes></Row0></Left><Right><Row0><Sizes/></Row0></Right><Bottom><Row0><Sizes/></Row0></Bottom><Float><Sizes/></Float></Positions>
</Desktop>
</Workspace>

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<?xml version="1.0" encoding="iso-8859-1"?>
<workspace>
<project>
<path>$WS_DIR$\tm4c123g.ewp</path>
</project>
<batchBuild/>
</workspace>

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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\irq.c
* \brief IRQ driver source file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include "header.h" /* generic header */
/****************************************************************************************
* Local data definitions
****************************************************************************************/
/** \brief Interrupt nesting counter. Used for global interrupt en/disable. */
static unsigned char interruptNesting = 0;
/************************************************************************************//**
** \brief Enables the generation IRQ interrupts. Typically called once during
** software startup after completion of the initialization.
** \return none.
**
****************************************************************************************/
void IrqInterruptEnable(void)
{
IntMasterEnable();
} /*** end of IrqInterruptEnable ***/
/************************************************************************************//**
** \brief Disables the generation IRQ interrupts and stores information on
** whether or not the interrupts were already disabled before explicitly
** disabling them with this function. Normally used as a pair together
** with IrqInterruptRestore during a critical section.
** \return none.
**
****************************************************************************************/
void IrqInterruptDisable(void)
{
if (interruptNesting == 0)
{
IntMasterDisable();
}
interruptNesting++;
} /*** end of IrqInterruptDisable ***/
/************************************************************************************//**
** \brief Restore the generation IRQ interrupts to the setting it had prior to
** calling IrqInterruptDisable. Normally used as a pair together with
** IrqInterruptDisable during a critical section.
** \return none.
**
****************************************************************************************/
void IrqInterruptRestore(void)
{
interruptNesting--;
if (interruptNesting == 0)
{
IntMasterEnable();
}
} /*** end of IrqInterruptRestore ***/
/*********************************** end of irq.c **************************************/

45
Target/Demo/ARMCM4_TM4C_DK_TM4C123G_IAR/Prog/irq.h Normal file
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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\irq.h
* \brief IRQ driver header file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
#ifndef IRQ_H
#define IRQ_H
/****************************************************************************************
* Function prototypes
****************************************************************************************/
void IrqInterruptEnable(void);
void IrqInterruptDisable(void);
void IrqInterruptRestore(void);
#endif /* IRQ_H */
/*********************************** end of irq.h **************************************/

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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\led.c
* \brief LED driver source file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
/****************************************************************************************
* Include files
****************************************************************************************/
#include "header.h" /* generic header */
/****************************************************************************************
* Macro definitions
****************************************************************************************/
/** \brief Toggle interval time in milliseconds. */
#define LED_TOGGLE_MS (500)
/************************************************************************************//**
** \brief Initializes the LED. The board doesn't have a dedicted LED so an
** indicator on the LCD is used instead.
** \return none.
**
****************************************************************************************/
void LedInit(void)
{
/* enable the peripherals used by the LED driver */
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOG);
/* configure the LED as digital output and turn off the LED */
GPIOPinTypeGPIOOutput(GPIO_PORTG_BASE, GPIO_PIN_2);
GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_2, 0);
} /*** end of LedInit ***/
/************************************************************************************//**
** \brief Toggles the LED at a fixed time interval.
** \return none.
**
****************************************************************************************/
void LedToggle(void)
{
static unsigned char led_toggle_state = 0;
static unsigned long timer_counter_last = 0;
unsigned long timer_counter_now;
/* check if toggle interval time passed */
timer_counter_now = TimeGet();
if ( (timer_counter_now - timer_counter_last) < LED_TOGGLE_MS)
{
/* not yet time to toggle */
return;
}
/* determine toggle action */
if (led_toggle_state == 0)
{
led_toggle_state = 1;
/* turn the LED on */
GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_2, GPIO_PIN_2);
}
else
{
led_toggle_state = 0;
/* turn the LED off */
GPIOPinWrite(GPIO_PORTG_BASE, GPIO_PIN_2, 0);
}
/* store toggle time to determine next toggle interval */
timer_counter_last = timer_counter_now;
} /*** end of LedToggle ***/
/*********************************** end of led.c **************************************/

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/************************************************************************************//**
* \file Demo\ARMCM4_TM4C_DK_TM4C123G_IAR\Prog\led.h
* \brief LED driver header file.
* \ingroup Prog_ARMCM4_TM4C_DK_TM4C123G_IAR
* \internal
*----------------------------------------------------------------------------------------
* C O P Y R I G H T
*----------------------------------------------------------------------------------------
* Copyright (c) 2014 by Feaser http://www.feaser.com All rights reserved
*
*----------------------------------------------------------------------------------------
* L I C E N S E
*----------------------------------------------------------------------------------------
* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with OpenBLT.
* If not, see <http://www.gnu.org/licenses/>.
*
* A special exception to the GPL is included to allow you to distribute a combined work
* that includes OpenBLT without being obliged to provide the source code for any
* proprietary components. The exception text is included at the bottom of the license
* file <license.html>.
*
* \endinternal
****************************************************************************************/
#ifndef LED_H
#define LED_H
/****************************************************************************************
* Function prototypes
****************************************************************************************/
void LedInit(void);
void LedToggle(void);
#endif /* LED_H */
/*********************************** end of led.h **************************************/

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TI TivaWare for C Series Source and Object Code Software License Agreement
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//*****************************************************************************
//
// adc.h - ADC headers for using the ADC driver functions.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_ADC_H__
#define __DRIVERLIB_ADC_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to ADCSequenceConfigure as the ui32Trigger
// parameter.
//
//*****************************************************************************
#define ADC_TRIGGER_PROCESSOR 0x00000000 // Processor event
#define ADC_TRIGGER_COMP0 0x00000001 // Analog comparator 0 event
#define ADC_TRIGGER_COMP1 0x00000002 // Analog comparator 1 event
#define ADC_TRIGGER_COMP2 0x00000003 // Analog comparator 2 event
#define ADC_TRIGGER_EXTERNAL 0x00000004 // External event
#define ADC_TRIGGER_TIMER 0x00000005 // Timer event
#define ADC_TRIGGER_PWM0 0x00000006 // PWM0 event
#define ADC_TRIGGER_PWM1 0x00000007 // PWM1 event
#define ADC_TRIGGER_PWM2 0x00000008 // PWM2 event
#define ADC_TRIGGER_PWM3 0x00000009 // PWM3 event
#define ADC_TRIGGER_ALWAYS 0x0000000F // Always event
//*****************************************************************************
//
// Values that can be passed to ADCSequenceStepConfigure as the ui32Config
// parameter.
//
//*****************************************************************************
#define ADC_CTL_TS 0x00000080 // Temperature sensor select
#define ADC_CTL_IE 0x00000040 // Interrupt enable
#define ADC_CTL_END 0x00000020 // Sequence end select
#define ADC_CTL_D 0x00000010 // Differential select
#define ADC_CTL_CH0 0x00000000 // Input channel 0
#define ADC_CTL_CH1 0x00000001 // Input channel 1
#define ADC_CTL_CH2 0x00000002 // Input channel 2
#define ADC_CTL_CH3 0x00000003 // Input channel 3
#define ADC_CTL_CH4 0x00000004 // Input channel 4
#define ADC_CTL_CH5 0x00000005 // Input channel 5
#define ADC_CTL_CH6 0x00000006 // Input channel 6
#define ADC_CTL_CH7 0x00000007 // Input channel 7
#define ADC_CTL_CH8 0x00000008 // Input channel 8
#define ADC_CTL_CH9 0x00000009 // Input channel 9
#define ADC_CTL_CH10 0x0000000A // Input channel 10
#define ADC_CTL_CH11 0x0000000B // Input channel 11
#define ADC_CTL_CH12 0x0000000C // Input channel 12
#define ADC_CTL_CH13 0x0000000D // Input channel 13
#define ADC_CTL_CH14 0x0000000E // Input channel 14
#define ADC_CTL_CH15 0x0000000F // Input channel 15
#define ADC_CTL_CH16 0x00000100 // Input channel 16
#define ADC_CTL_CH17 0x00000101 // Input channel 17
#define ADC_CTL_CH18 0x00000102 // Input channel 18
#define ADC_CTL_CH19 0x00000103 // Input channel 19
#define ADC_CTL_CH20 0x00000104 // Input channel 20
#define ADC_CTL_CH21 0x00000105 // Input channel 21
#define ADC_CTL_CH22 0x00000106 // Input channel 22
#define ADC_CTL_CH23 0x00000107 // Input channel 23
#define ADC_CTL_CMP0 0x00080000 // Select Comparator 0
#define ADC_CTL_CMP1 0x00090000 // Select Comparator 1
#define ADC_CTL_CMP2 0x000A0000 // Select Comparator 2
#define ADC_CTL_CMP3 0x000B0000 // Select Comparator 3
#define ADC_CTL_CMP4 0x000C0000 // Select Comparator 4
#define ADC_CTL_CMP5 0x000D0000 // Select Comparator 5
#define ADC_CTL_CMP6 0x000E0000 // Select Comparator 6
#define ADC_CTL_CMP7 0x000F0000 // Select Comparator 7
//*****************************************************************************
//
// Values that can be passed to ADCComparatorConfigure as part of the
// ui32Config parameter.
//
//*****************************************************************************
#define ADC_COMP_TRIG_NONE 0x00000000 // Trigger Disabled
#define ADC_COMP_TRIG_LOW_ALWAYS \
0x00001000 // Trigger Low Always
#define ADC_COMP_TRIG_LOW_ONCE 0x00001100 // Trigger Low Once
#define ADC_COMP_TRIG_LOW_HALWAYS \
0x00001200 // Trigger Low Always (Hysteresis)
#define ADC_COMP_TRIG_LOW_HONCE 0x00001300 // Trigger Low Once (Hysteresis)
#define ADC_COMP_TRIG_MID_ALWAYS \
0x00001400 // Trigger Mid Always
#define ADC_COMP_TRIG_MID_ONCE 0x00001500 // Trigger Mid Once
#define ADC_COMP_TRIG_HIGH_ALWAYS \
0x00001C00 // Trigger High Always
#define ADC_COMP_TRIG_HIGH_ONCE 0x00001D00 // Trigger High Once
#define ADC_COMP_TRIG_HIGH_HALWAYS \
0x00001E00 // Trigger High Always (Hysteresis)
#define ADC_COMP_TRIG_HIGH_HONCE \
0x00001F00 // Trigger High Once (Hysteresis)
#define ADC_COMP_INT_NONE 0x00000000 // Interrupt Disabled
#define ADC_COMP_INT_LOW_ALWAYS \
0x00000010 // Interrupt Low Always
#define ADC_COMP_INT_LOW_ONCE 0x00000011 // Interrupt Low Once
#define ADC_COMP_INT_LOW_HALWAYS \
0x00000012 // Interrupt Low Always
// (Hysteresis)
#define ADC_COMP_INT_LOW_HONCE 0x00000013 // Interrupt Low Once (Hysteresis)
#define ADC_COMP_INT_MID_ALWAYS \
0x00000014 // Interrupt Mid Always
#define ADC_COMP_INT_MID_ONCE 0x00000015 // Interrupt Mid Once
#define ADC_COMP_INT_HIGH_ALWAYS \
0x0000001C // Interrupt High Always
#define ADC_COMP_INT_HIGH_ONCE 0x0000001D // Interrupt High Once
#define ADC_COMP_INT_HIGH_HALWAYS \
0x0000001E // Interrupt High Always
// (Hysteresis)
#define ADC_COMP_INT_HIGH_HONCE \
0x0000001F // Interrupt High Once (Hysteresis)
//*****************************************************************************
//
// Values that can be used to modify the sequence number passed to
// ADCProcessorTrigger in order to get cross-module synchronous processor
// triggers.
//
//*****************************************************************************
#define ADC_TRIGGER_WAIT 0x08000000 // Wait for the synchronous trigger
#define ADC_TRIGGER_SIGNAL 0x80000000 // Signal the synchronous trigger
//*****************************************************************************
//
// Values that can be passed to ADCPhaseDelaySet as the ui32Phase parameter and
// returned from ADCPhaseDelayGet.
//
//*****************************************************************************
#define ADC_PHASE_0 0x00000000 // 0 degrees
#define ADC_PHASE_22_5 0x00000001 // 22.5 degrees
#define ADC_PHASE_45 0x00000002 // 45 degrees
#define ADC_PHASE_67_5 0x00000003 // 67.5 degrees
#define ADC_PHASE_90 0x00000004 // 90 degrees
#define ADC_PHASE_112_5 0x00000005 // 112.5 degrees
#define ADC_PHASE_135 0x00000006 // 135 degrees
#define ADC_PHASE_157_5 0x00000007 // 157.5 degrees
#define ADC_PHASE_180 0x00000008 // 180 degrees
#define ADC_PHASE_202_5 0x00000009 // 202.5 degrees
#define ADC_PHASE_225 0x0000000A // 225 degrees
#define ADC_PHASE_247_5 0x0000000B // 247.5 degrees
#define ADC_PHASE_270 0x0000000C // 270 degrees
#define ADC_PHASE_292_5 0x0000000D // 292.5 degrees
#define ADC_PHASE_315 0x0000000E // 315 degrees
#define ADC_PHASE_337_5 0x0000000F // 337.5 degrees
//*****************************************************************************
//
// Values that can be passed to ADCReferenceSet as the ui32Ref parameter.
//
//*****************************************************************************
#define ADC_REF_INT 0x00000000 // Internal reference
#define ADC_REF_EXT_3V 0x00000001 // External 3V reference
#define ADC_REF_EXT_1V 0x00000003 // External 1V reference
//*****************************************************************************
//
// Values that can be passed to ADCIntDisableEx(), ADCIntEnableEx(),
// ADCIntClearEx() and ADCIntStatusEx().
//
//*****************************************************************************
#define ADC_INT_SS0 0x00000001
#define ADC_INT_SS1 0x00000002
#define ADC_INT_SS2 0x00000004
#define ADC_INT_SS3 0x00000008
#define ADC_INT_DMA_SS0 0x00000100
#define ADC_INT_DMA_SS1 0x00000200
#define ADC_INT_DMA_SS2 0x00000400
#define ADC_INT_DMA_SS3 0x00000800
#define ADC_INT_DCON_SS0 0x00010000
#define ADC_INT_DCON_SS1 0x00020000
#define ADC_INT_DCON_SS2 0x00040000
#define ADC_INT_DCON_SS3 0x00080000
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void ADCIntRegister(uint32_t ui32Base, uint32_t ui32SequenceNum,
void (*pfnHandler)(void));
extern void ADCIntUnregister(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern void ADCIntDisable(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern void ADCIntEnable(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern uint32_t ADCIntStatus(uint32_t ui32Base, uint32_t ui32SequenceNum,
bool bMasked);
extern void ADCIntClear(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern void ADCSequenceEnable(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern void ADCSequenceDisable(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern void ADCSequenceConfigure(uint32_t ui32Base, uint32_t ui32SequenceNum,
uint32_t ui32Trigger, uint32_t ui32Priority);
extern void ADCSequenceStepConfigure(uint32_t ui32Base,
uint32_t ui32SequenceNum,
uint32_t ui32Step, uint32_t ui32Config);
extern int32_t ADCSequenceOverflow(uint32_t ui32Base,
uint32_t ui32SequenceNum);
extern void ADCSequenceOverflowClear(uint32_t ui32Base,
uint32_t ui32SequenceNum);
extern int32_t ADCSequenceUnderflow(uint32_t ui32Base,
uint32_t ui32SequenceNum);
extern void ADCSequenceUnderflowClear(uint32_t ui32Base,
uint32_t ui32SequenceNum);
extern int32_t ADCSequenceDataGet(uint32_t ui32Base, uint32_t ui32SequenceNum,
uint32_t *pui32Buffer);
extern void ADCProcessorTrigger(uint32_t ui32Base, uint32_t ui32SequenceNum);
extern void ADCSoftwareOversampleConfigure(uint32_t ui32Base,
uint32_t ui32SequenceNum,
uint32_t ui32Factor);
extern void ADCSoftwareOversampleStepConfigure(uint32_t ui32Base,
uint32_t ui32SequenceNum,
uint32_t ui32Step,
uint32_t ui32Config);
extern void ADCSoftwareOversampleDataGet(uint32_t ui32Base,
uint32_t ui32SequenceNum,
uint32_t *pui32Buffer,
uint32_t ui32Count);
extern void ADCHardwareOversampleConfigure(uint32_t ui32Base,
uint32_t ui32Factor);
extern void ADCComparatorConfigure(uint32_t ui32Base, uint32_t ui32Comp,
uint32_t ui32Config);
extern void ADCComparatorRegionSet(uint32_t ui32Base, uint32_t ui32Comp,
uint32_t ui32LowRef, uint32_t ui32HighRef);
extern void ADCComparatorReset(uint32_t ui32Base, uint32_t ui32Comp,
bool bTrigger, bool bInterrupt);
extern void ADCComparatorIntDisable(uint32_t ui32Base,
uint32_t ui32SequenceNum);
extern void ADCComparatorIntEnable(uint32_t ui32Base,
uint32_t ui32SequenceNum);
extern uint32_t ADCComparatorIntStatus(uint32_t ui32Base);
extern void ADCComparatorIntClear(uint32_t ui32Base, uint32_t ui32Status);
extern void ADCReferenceSet(uint32_t ui32Base, uint32_t ui32Ref);
extern uint32_t ADCReferenceGet(uint32_t ui32Base);
extern void ADCPhaseDelaySet(uint32_t ui32Base, uint32_t ui32Phase);
extern uint32_t ADCPhaseDelayGet(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_ADC_H__

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//*****************************************************************************
//
// can.h - Defines and Macros for the CAN controller.
//
// Copyright (c) 2006-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_CAN_H__
#define __DRIVERLIB_CAN_H__
//*****************************************************************************
//
//! \addtogroup can_api
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Miscellaneous defines for Message ID Types
//
//*****************************************************************************
//*****************************************************************************
//
// These are the flags used by the tCANMsgObject.ui32Flags value when calling
// the CANMessageSet() and CANMessageGet() functions.
//
//*****************************************************************************
//
//! This indicates that transmit interrupts should be enabled, or are enabled.
//
#define MSG_OBJ_TX_INT_ENABLE 0x00000001
//
//! This indicates that receive interrupts should be enabled, or are
//! enabled.
//
#define MSG_OBJ_RX_INT_ENABLE 0x00000002
//
//! This indicates that a message object will use or is using an extended
//! identifier.
//
#define MSG_OBJ_EXTENDED_ID 0x00000004
//
//! This indicates that a message object will use or is using filtering
//! based on the object's message identifier.
//
#define MSG_OBJ_USE_ID_FILTER 0x00000008
//
//! This indicates that new data was available in the message object.
//
#define MSG_OBJ_NEW_DATA 0x00000080
//
//! This indicates that data was lost since this message object was last
//! read.
//
#define MSG_OBJ_DATA_LOST 0x00000100
//
//! This indicates that a message object will use or is using filtering
//! based on the direction of the transfer. If the direction filtering is
//! used, then ID filtering must also be enabled.
//
#define MSG_OBJ_USE_DIR_FILTER (0x00000010 | MSG_OBJ_USE_ID_FILTER)
//
//! This indicates that a message object will use or is using message
//! identifier filtering based on the extended identifier. If the extended
//! identifier filtering is used, then ID filtering must also be enabled.
//
#define MSG_OBJ_USE_EXT_FILTER (0x00000020 | MSG_OBJ_USE_ID_FILTER)
//
//! This indicates that a message object is a remote frame.
//
#define MSG_OBJ_REMOTE_FRAME 0x00000040
//
//! This indicates that this message object is part of a FIFO structure and
//! not the final message object in a FIFO.
//
#define MSG_OBJ_FIFO 0x00000200
//
//! This indicates that a message object has no flags set.
//
#define MSG_OBJ_NO_FLAGS 0x00000000
//*****************************************************************************
//
//! This define is used with the flag values to allow checking only status
//! flags and not configuration flags.
//
//*****************************************************************************
#define MSG_OBJ_STATUS_MASK (MSG_OBJ_NEW_DATA | MSG_OBJ_DATA_LOST)
//*****************************************************************************
//
//! The structure used for encapsulating all the items associated with a CAN
//! message object in the CAN controller.
//
//*****************************************************************************
typedef struct
{
//
//! The CAN message identifier used for 11 or 29 bit identifiers.
//
uint32_t ui32MsgID;
//
//! The message identifier mask used when identifier filtering is enabled.
//
uint32_t ui32MsgIDMask;
//
//! This value holds various status flags and settings specified by
//! tCANObjFlags.
//
uint32_t ui32Flags;
//
//! This value is the number of bytes of data in the message object.
//
uint32_t ui32MsgLen;
//
//! This is a pointer to the message object's data.
//
uint8_t *pui8MsgData;
}
tCANMsgObject;
//*****************************************************************************
//
//! This structure is used for encapsulating the values associated with setting
//! up the bit timing for a CAN controller. The structure is used when calling
//! the CANGetBitTiming and CANSetBitTiming functions.
//
//*****************************************************************************
typedef struct
{
//
//! This value holds the sum of the Synchronization, Propagation, and Phase
//! Buffer 1 segments, measured in time quanta. The valid values for this
//! setting range from 2 to 16.
//
uint32_t ui32SyncPropPhase1Seg;
//
//! This value holds the Phase Buffer 2 segment in time quanta. The valid
//! values for this setting range from 1 to 8.
//
uint32_t ui32Phase2Seg;
//
//! This value holds the Resynchronization Jump Width in time quanta. The
//! valid values for this setting range from 1 to 4.
//
uint32_t ui32SJW;
//
//! This value holds the CAN_CLK divider used to determine time quanta.
//! The valid values for this setting range from 1 to 1023.
//
uint32_t ui32QuantumPrescaler;
}
tCANBitClkParms;
//*****************************************************************************
//
//! This data type is used to identify the interrupt status register. This is
//! used when calling the CANIntStatus() function.
//
//*****************************************************************************
typedef enum
{
//
//! Read the CAN interrupt status information.
//
CAN_INT_STS_CAUSE,
//
//! Read a message object's interrupt status.
//
CAN_INT_STS_OBJECT
}
tCANIntStsReg;
//*****************************************************************************
//
//! This data type is used to identify which of several status registers to
//! read when calling the CANStatusGet() function.
//
//*****************************************************************************
typedef enum
{
//
//! Read the full CAN controller status.
//
CAN_STS_CONTROL,
//
//! Read the full 32-bit mask of message objects with a transmit request
//! set.
//
CAN_STS_TXREQUEST,
//
//! Read the full 32-bit mask of message objects with new data available.
//
CAN_STS_NEWDAT,
//
//! Read the full 32-bit mask of message objects that are enabled.
//
CAN_STS_MSGVAL
}
tCANStsReg;
//*****************************************************************************
//
// These definitions are used to specify interrupt sources to CANIntEnable()
// and CANIntDisable().
//
//*****************************************************************************
//
//! This flag is used to allow a CAN controller to generate error
//! interrupts.
//
#define CAN_INT_ERROR 0x00000008
//
//! This flag is used to allow a CAN controller to generate status
//! interrupts.
//
#define CAN_INT_STATUS 0x00000004
//
//! This flag is used to allow a CAN controller to generate any CAN
//! interrupts. If this is not set, then no interrupts will be generated
//! by the CAN controller.
//
#define CAN_INT_MASTER 0x00000002
//*****************************************************************************
//
//! This definition is used to determine the type of message object that will
//! be set up via a call to the CANMessageSet() API.
//
//*****************************************************************************
typedef enum
{
//
//! Transmit message object.
//
MSG_OBJ_TYPE_TX,
//
//! Transmit remote request message object
//
MSG_OBJ_TYPE_TX_REMOTE,
//
//! Receive message object.
//
MSG_OBJ_TYPE_RX,
//
//! Receive remote request message object.
//
MSG_OBJ_TYPE_RX_REMOTE,
//
//! Remote frame receive remote, with auto-transmit message object.
//
MSG_OBJ_TYPE_RXTX_REMOTE
}
tMsgObjType;
//*****************************************************************************
//
// The following enumeration contains all error or status indicators that can
// be returned when calling the CANStatusGet() function.
//
//*****************************************************************************
//
//! CAN controller has entered a Bus Off state.
//
#define CAN_STATUS_BUS_OFF 0x00000080
//
//! CAN controller error level has reached warning level.
//
#define CAN_STATUS_EWARN 0x00000040
//
//! CAN controller error level has reached error passive level.
//
#define CAN_STATUS_EPASS 0x00000020
//
//! A message was received successfully since the last read of this status.
//
#define CAN_STATUS_RXOK 0x00000010
//
//! A message was transmitted successfully since the last read of this
//! status.
//
#define CAN_STATUS_TXOK 0x00000008
//
//! This is the mask for the last error code field.
//
#define CAN_STATUS_LEC_MSK 0x00000007
//
//! There was no error.
//
#define CAN_STATUS_LEC_NONE 0x00000000
//
//! A bit stuffing error has occurred.
//
#define CAN_STATUS_LEC_STUFF 0x00000001
//
//! A formatting error has occurred.
//
#define CAN_STATUS_LEC_FORM 0x00000002
//
//! An acknowledge error has occurred.
//
#define CAN_STATUS_LEC_ACK 0x00000003
//
//! The bus remained a bit level of 1 for longer than is allowed.
//
#define CAN_STATUS_LEC_BIT1 0x00000004
//
//! The bus remained a bit level of 0 for longer than is allowed.
//
#define CAN_STATUS_LEC_BIT0 0x00000005
//
//! A CRC error has occurred.
//
#define CAN_STATUS_LEC_CRC 0x00000006
//
//! This is the mask for the CAN Last Error Code (LEC).
//
#define CAN_STATUS_LEC_MASK 0x00000007
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void CANBitTimingGet(uint32_t ui32Base, tCANBitClkParms *psClkParms);
extern void CANBitTimingSet(uint32_t ui32Base, tCANBitClkParms *psClkParms);
extern uint32_t CANBitRateSet(uint32_t ui32Base, uint32_t ui32SourceClock,
uint32_t ui32BitRate);
extern void CANDisable(uint32_t ui32Base);
extern void CANEnable(uint32_t ui32Base);
extern bool CANErrCntrGet(uint32_t ui32Base, uint32_t *pui32RxCount,
uint32_t *pui32TxCount);
extern void CANInit(uint32_t ui32Base);
extern void CANIntClear(uint32_t ui32Base, uint32_t ui32IntClr);
extern void CANIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void CANIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void CANIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern uint32_t CANIntStatus(uint32_t ui32Base, tCANIntStsReg eIntStsReg);
extern void CANIntUnregister(uint32_t ui32Base);
extern void CANMessageClear(uint32_t ui32Base, uint32_t ui32ObjID);
extern void CANMessageGet(uint32_t ui32Base, uint32_t ui32ObjID,
tCANMsgObject *psMsgObject, bool bClrPendingInt);
extern void CANMessageSet(uint32_t ui32Base, uint32_t ui32ObjID,
tCANMsgObject *psMsgObject, tMsgObjType eMsgType);
extern bool CANRetryGet(uint32_t ui32Base);
extern void CANRetrySet(uint32_t ui32Base, bool bAutoRetry);
extern uint32_t CANStatusGet(uint32_t ui32Base, tCANStsReg eStatusReg);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_CAN_H__

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//*****************************************************************************
//
// comp.c - Driver for the analog comparator.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup comp_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_comp.h"
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "driverlib/comp.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
//*****************************************************************************
//
//! Configures a comparator.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator to configure.
//! \param ui32Config is the configuration of the comparator.
//!
//! This function configures a comparator. The \e ui32Config parameter is the
//! result of a logical OR operation between the \b COMP_TRIG_xxx,
//! \b COMP_INT_xxx, \b COMP_ASRCP_xxx, and \b COMP_OUTPUT_xxx values.
//!
//! The \b COMP_TRIG_xxx term can take on the following values:
//!
//! - \b COMP_TRIG_NONE to have no trigger to the ADC.
//! - \b COMP_TRIG_HIGH to trigger the ADC when the comparator output is high.
//! - \b COMP_TRIG_LOW to trigger the ADC when the comparator output is low.
//! - \b COMP_TRIG_FALL to trigger the ADC when the comparator output goes low.
//! - \b COMP_TRIG_RISE to trigger the ADC when the comparator output goes
//! high.
//! - \b COMP_TRIG_BOTH to trigger the ADC when the comparator output goes low
//! or high.
//!
//! The \b COMP_INT_xxx term can take on the following values:
//!
//! - \b COMP_INT_HIGH to generate an interrupt when the comparator output is
//! high.
//! - \b COMP_INT_LOW to generate an interrupt when the comparator output is
//! low.
//! - \b COMP_INT_FALL to generate an interrupt when the comparator output goes
//! low.
//! - \b COMP_INT_RISE to generate an interrupt when the comparator output goes
//! high.
//! - \b COMP_INT_BOTH to generate an interrupt when the comparator output goes
//! low or high.
//!
//! The \b COMP_ASRCP_xxx term can take on the following values:
//!
//! - \b COMP_ASRCP_PIN to use the dedicated Comp+ pin as the reference
//! voltage.
//! - \b COMP_ASRCP_PIN0 to use the Comp0+ pin as the reference voltage (this
//! the same as \b COMP_ASRCP_PIN for the comparator 0).
//! - \b COMP_ASRCP_REF to use the internally generated voltage as the
//! reference voltage.
//!
//! The \b COMP_OUTPUT_xxx term can take on the following values:
//!
//! - \b COMP_OUTPUT_NORMAL to enable a non-inverted output from the comparator
//! to a device pin.
//! - \b COMP_OUTPUT_INVERT to enable an inverted output from the comparator to
//! a device pin.
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorConfigure(uint32_t ui32Base, uint32_t ui32Comp, uint32_t ui32Config)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Configure this comparator.
//
HWREG(ui32Base + (ui32Comp * 0x20) + COMP_O_ACCTL0) = ui32Config;
}
//*****************************************************************************
//
//! Sets the internal reference voltage.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Ref is the desired reference voltage.
//!
//! This function sets the internal reference voltage value. The voltage is
//! specified as one of the following values:
//!
//! - \b COMP_REF_OFF to turn off the reference voltage
//! - \b COMP_REF_0V to set the reference voltage to 0 V
//! - \b COMP_REF_0_1375V to set the reference voltage to 0.1375 V
//! - \b COMP_REF_0_275V to set the reference voltage to 0.275 V
//! - \b COMP_REF_0_4125V to set the reference voltage to 0.4125 V
//! - \b COMP_REF_0_55V to set the reference voltage to 0.55 V
//! - \b COMP_REF_0_6875V to set the reference voltage to 0.6875 V
//! - \b COMP_REF_0_825V to set the reference voltage to 0.825 V
//! - \b COMP_REF_0_928125V to set the reference voltage to 0.928125 V
//! - \b COMP_REF_0_9625V to set the reference voltage to 0.9625 V
//! - \b COMP_REF_1_03125V to set the reference voltage to 1.03125 V
//! - \b COMP_REF_1_134375V to set the reference voltage to 1.134375 V
//! - \b COMP_REF_1_1V to set the reference voltage to 1.1 V
//! - \b COMP_REF_1_2375V to set the reference voltage to 1.2375 V
//! - \b COMP_REF_1_340625V to set the reference voltage to 1.340625 V
//! - \b COMP_REF_1_375V to set the reference voltage to 1.375 V
//! - \b COMP_REF_1_44375V to set the reference voltage to 1.44375 V
//! - \b COMP_REF_1_5125V to set the reference voltage to 1.5125 V
//! - \b COMP_REF_1_546875V to set the reference voltage to 1.546875 V
//! - \b COMP_REF_1_65V to set the reference voltage to 1.65 V
//! - \b COMP_REF_1_753125V to set the reference voltage to 1.753125 V
//! - \b COMP_REF_1_7875V to set the reference voltage to 1.7875 V
//! - \b COMP_REF_1_85625V to set the reference voltage to 1.85625 V
//! - \b COMP_REF_1_925V to set the reference voltage to 1.925 V
//! - \b COMP_REF_1_959375V to set the reference voltage to 1.959375 V
//! - \b COMP_REF_2_0625V to set the reference voltage to 2.0625 V
//! - \b COMP_REF_2_165625V to set the reference voltage to 2.165625 V
//! - \b COMP_REF_2_26875V to set the reference voltage to 2.26875 V
//! - \b COMP_REF_2_371875V to set the reference voltage to 2.371875 V
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorRefSet(uint32_t ui32Base, uint32_t ui32Ref)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
//
// Set the voltage reference voltage as requested.
//
HWREG(ui32Base + COMP_O_ACREFCTL) = ui32Ref;
}
//*****************************************************************************
//
//! Gets the current comparator output value.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//!
//! This function retrieves the current value of the comparator output.
//!
//! \return Returns \b true if the comparator output is high and \b false if
//! the comparator output is low.
//
//*****************************************************************************
bool
ComparatorValueGet(uint32_t ui32Base, uint32_t ui32Comp)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Return the appropriate value based on the comparator's present output
// value.
//
if(HWREG(ui32Base + (ui32Comp * 0x20) + COMP_O_ACSTAT0) &
COMP_ACSTAT0_OVAL)
{
return(true);
}
else
{
return(false);
}
}
//*****************************************************************************
//
//! Registers an interrupt handler for the comparator interrupt.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//! \param pfnHandler is a pointer to the function to be called when the
//! comparator interrupt occurs.
//!
//! This function sets the handler to be called when the comparator interrupt
//! occurs and enables the interrupt in the interrupt controller. It is the
//! interrupt handler's responsibility to clear the interrupt source via
//! ComparatorIntClear().
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorIntRegister(uint32_t ui32Base, uint32_t ui32Comp,
void (*pfnHandler)(void))
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Register the interrupt handler, returning an error if an error occurs.
//
IntRegister(INT_COMP0_BLIZZARD + ui32Comp, pfnHandler);
//
// Enable the interrupt in the interrupt controller.
//
IntEnable(INT_COMP0_BLIZZARD + ui32Comp);
//
// Enable the comparator interrupt.
//
HWREG(ui32Base + COMP_O_ACINTEN) |= 1 << ui32Comp;
}
//*****************************************************************************
//
//! Unregisters an interrupt handler for a comparator interrupt.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//!
//! This function clears the handler to be called when a comparator interrupt
//! occurs. This function also masks off the interrupt in the interrupt
//! controller so that the interrupt handler no longer is called.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorIntUnregister(uint32_t ui32Base, uint32_t ui32Comp)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Disable the comparator interrupt.
//
HWREG(ui32Base + COMP_O_ACINTEN) &= ~(1 << ui32Comp);
//
// Disable the interrupt in the interrupt controller.
//
IntDisable(INT_COMP0_BLIZZARD + ui32Comp);
//
// Unregister the interrupt handler.
//
IntUnregister(INT_COMP0_BLIZZARD + ui32Comp);
}
//*****************************************************************************
//
//! Enables the comparator interrupt.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//!
//! This function enables generation of an interrupt from the specified
//! comparator. Only enabled comparator interrupts can be reflected
//! to the processor.
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorIntEnable(uint32_t ui32Base, uint32_t ui32Comp)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Enable the comparator interrupt.
//
HWREG(ui32Base + COMP_O_ACINTEN) |= 1 << ui32Comp;
}
//*****************************************************************************
//
//! Disables the comparator interrupt.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//!
//! This function disables generation of an interrupt from the specified
//! comparator. Only enabled comparator interrupts can be reflected
//! to the processor.
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorIntDisable(uint32_t ui32Base, uint32_t ui32Comp)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Disable the comparator interrupt.
//
HWREG(ui32Base + COMP_O_ACINTEN) &= ~(1 << ui32Comp);
}
//*****************************************************************************
//
//! Gets the current interrupt status.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//! \param bMasked is \b false if the raw interrupt status is required and
//! \b true if the masked interrupt status is required.
//!
//! This function returns the interrupt status for the comparator. Either the
//! raw or the masked interrupt status can be returned.
//!
//! \return \b true if the interrupt is asserted and \b false if it is not
//! asserted.
//
//*****************************************************************************
bool
ComparatorIntStatus(uint32_t ui32Base, uint32_t ui32Comp, bool bMasked)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Return either the interrupt status or the raw interrupt status as
// requested.
//
if(bMasked)
{
return(((HWREG(ui32Base + COMP_O_ACMIS) >> ui32Comp) & 1) ? true :
false);
}
else
{
return(((HWREG(ui32Base + COMP_O_ACRIS) >> ui32Comp) & 1) ? true :
false);
}
}
//*****************************************************************************
//
//! Clears a comparator interrupt.
//!
//! \param ui32Base is the base address of the comparator module.
//! \param ui32Comp is the index of the comparator.
//!
//! The comparator interrupt is cleared, so that it no longer asserts. This
//! fucntion must be called in the interrupt handler to keep the handler from
//! being called again immediately upon exit. Note that for a level-triggered
//! interrupt, the interrupt cannot be cleared until it stops asserting.
//!
//! \note Because there is a write buffer in the Cortex-M processor, it may
//! take several clock cycles before the interrupt source is actually cleared.
//! Therefore, it is recommended that the interrupt source be cleared early in
//! the interrupt handler (as opposed to the very last action) to avoid
//! returning from the interrupt handler before the interrupt source is
//! actually cleared. Failure to do so may result in the interrupt handler
//! being immediately reentered (because the interrupt controller still sees
//! the interrupt source asserted).
//!
//! \return None.
//
//*****************************************************************************
void
ComparatorIntClear(uint32_t ui32Base, uint32_t ui32Comp)
{
//
// Check the arguments.
//
ASSERT(ui32Base == COMP_BASE);
ASSERT(ui32Comp < 3);
//
// Clear the interrupt.
//
HWREG(ui32Base + COMP_O_ACMIS) = 1 << ui32Comp;
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// comp.h - Prototypes for the analog comparator driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_COMP_H__
#define __DRIVERLIB_COMP_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to ComparatorConfigure() as the ui32Config
// parameter. For each group (in other words, COMP_TRIG_xxx, COMP_INT_xxx, and
// so on), one of the values may be selected and combined together with values
// from the other groups via a logical OR.
//
//*****************************************************************************
#define COMP_TRIG_NONE 0x00000000 // No ADC trigger
#define COMP_TRIG_HIGH 0x00000880 // Trigger when high
#define COMP_TRIG_LOW 0x00000800 // Trigger when low
#define COMP_TRIG_FALL 0x00000820 // Trigger on falling edge
#define COMP_TRIG_RISE 0x00000840 // Trigger on rising edge
#define COMP_TRIG_BOTH 0x00000860 // Trigger on both edges
#define COMP_INT_HIGH 0x00000010 // Interrupt when high
#define COMP_INT_LOW 0x00000000 // Interrupt when low
#define COMP_INT_FALL 0x00000004 // Interrupt on falling edge
#define COMP_INT_RISE 0x00000008 // Interrupt on rising edge
#define COMP_INT_BOTH 0x0000000C // Interrupt on both edges
#define COMP_ASRCP_PIN 0x00000000 // Dedicated Comp+ pin
#define COMP_ASRCP_PIN0 0x00000200 // Comp0+ pin
#define COMP_ASRCP_REF 0x00000400 // Internal voltage reference
#define COMP_OUTPUT_NORMAL 0x00000000 // Comparator output normal
#define COMP_OUTPUT_INVERT 0x00000002 // Comparator output inverted
//*****************************************************************************
//
// Values that can be passed to ComparatorSetRef() as the ui32Ref parameter.
//
//*****************************************************************************
#define COMP_REF_OFF 0x00000000 // Turn off the internal reference
#define COMP_REF_0V 0x00000300 // Internal reference of 0V
#define COMP_REF_0_1375V 0x00000301 // Internal reference of 0.1375V
#define COMP_REF_0_275V 0x00000302 // Internal reference of 0.275V
#define COMP_REF_0_4125V 0x00000303 // Internal reference of 0.4125V
#define COMP_REF_0_55V 0x00000304 // Internal reference of 0.55V
#define COMP_REF_0_6875V 0x00000305 // Internal reference of 0.6875V
#define COMP_REF_0_825V 0x00000306 // Internal reference of 0.825V
#define COMP_REF_0_928125V 0x00000201 // Internal reference of 0.928125V
#define COMP_REF_0_9625V 0x00000307 // Internal reference of 0.9625V
#define COMP_REF_1_03125V 0x00000202 // Internal reference of 1.03125V
#define COMP_REF_1_134375V 0x00000203 // Internal reference of 1.134375V
#define COMP_REF_1_1V 0x00000308 // Internal reference of 1.1V
#define COMP_REF_1_2375V 0x00000309 // Internal reference of 1.2375V
#define COMP_REF_1_340625V 0x00000205 // Internal reference of 1.340625V
#define COMP_REF_1_375V 0x0000030A // Internal reference of 1.375V
#define COMP_REF_1_44375V 0x00000206 // Internal reference of 1.44375V
#define COMP_REF_1_5125V 0x0000030B // Internal reference of 1.5125V
#define COMP_REF_1_546875V 0x00000207 // Internal reference of 1.546875V
#define COMP_REF_1_65V 0x0000030C // Internal reference of 1.65V
#define COMP_REF_1_753125V 0x00000209 // Internal reference of 1.753125V
#define COMP_REF_1_7875V 0x0000030D // Internal reference of 1.7875V
#define COMP_REF_1_85625V 0x0000020A // Internal reference of 1.85625V
#define COMP_REF_1_925V 0x0000030E // Internal reference of 1.925V
#define COMP_REF_1_959375V 0x0000020B // Internal reference of 1.959375V
#define COMP_REF_2_0625V 0x0000030F // Internal reference of 2.0625V
#define COMP_REF_2_165625V 0x0000020D // Internal reference of 2.165625V
#define COMP_REF_2_26875V 0x0000020E // Internal reference of 2.26875V
#define COMP_REF_2_371875V 0x0000020F // Internal reference of 2.371875V
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void ComparatorConfigure(uint32_t ui32Base, uint32_t ui32Comp,
uint32_t ui32Config);
extern void ComparatorRefSet(uint32_t ui32Base, uint32_t ui32Ref);
extern bool ComparatorValueGet(uint32_t ui32Base, uint32_t ui32Comp);
extern void ComparatorIntRegister(uint32_t ui32Base, uint32_t ui32Comp,
void (*pfnHandler)(void));
extern void ComparatorIntUnregister(uint32_t ui32Base, uint32_t ui32Comp);
extern void ComparatorIntEnable(uint32_t ui32Base, uint32_t ui32Comp);
extern void ComparatorIntDisable(uint32_t ui32Base, uint32_t ui32Comp);
extern bool ComparatorIntStatus(uint32_t ui32Base, uint32_t ui32Comp,
bool bMasked);
extern void ComparatorIntClear(uint32_t ui32Base, uint32_t ui32Comp);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_COMP_H__

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//*****************************************************************************
//
// cpu.c - Instruction wrappers for special CPU instructions needed by the
// drivers.
//
// Copyright (c) 2006-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#include <stdint.h>
#include "driverlib/cpu.h"
//*****************************************************************************
//
// Wrapper function for the CPSID instruction. Returns the state of PRIMASK
// on entry.
//
//*****************************************************************************
#if defined(codered) || defined(gcc) || defined(sourcerygxx)
uint32_t __attribute__((naked))
CPUcpsid(void)
{
uint32_t ui32Ret;
//
// Read PRIMASK and disable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" cpsid i\n"
" bx lr\n"
: "=r" (ui32Ret));
//
// The return is handled in the inline assembly, but the compiler will
// still complain if there is not an explicit return here (despite the fact
// that this does not result in any code being produced because of the
// naked attribute).
//
return(ui32Ret);
}
#endif
#if defined(ewarm)
uint32_t
CPUcpsid(void)
{
//
// Read PRIMASK and disable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" cpsid i\n");
//
// "Warning[Pe940]: missing return statement at end of non-void function"
// is suppressed here to avoid putting a "bx lr" in the inline assembly
// above and a superfluous return statement here.
//
#pragma diag_suppress=Pe940
}
#pragma diag_default=Pe940
#endif
#if defined(rvmdk) || defined(__ARMCC_VERSION)
__asm uint32_t
CPUcpsid(void)
{
//
// Read PRIMASK and disable interrupts.
//
mrs r0, PRIMASK;
cpsid i;
bx lr
}
#endif
#if defined(ccs)
uint32_t
CPUcpsid(void)
{
//
// Read PRIMASK and disable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" cpsid i\n"
" bx lr\n");
//
// The following keeps the compiler happy, because it wants to see a
// return value from this function. It will generate code to return
// a zero. However, the real return is the "bx lr" above, so the
// return(0) is never executed and the function returns with the value
// you expect in R0.
//
return(0);
}
#endif
//*****************************************************************************
//
// Wrapper function returning the state of PRIMASK (indicating whether
// interrupts are enabled or disabled).
//
//*****************************************************************************
#if defined(codered) || defined(gcc) || defined(sourcerygxx)
uint32_t __attribute__((naked))
CPUprimask(void)
{
uint32_t ui32Ret;
//
// Read PRIMASK and disable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" bx lr\n"
: "=r" (ui32Ret));
//
// The return is handled in the inline assembly, but the compiler will
// still complain if there is not an explicit return here (despite the fact
// that this does not result in any code being produced because of the
// naked attribute).
//
return(ui32Ret);
}
#endif
#if defined(ewarm)
uint32_t
CPUprimask(void)
{
//
// Read PRIMASK and disable interrupts.
//
__asm(" mrs r0, PRIMASK\n");
//
// "Warning[Pe940]: missing return statement at end of non-void function"
// is suppressed here to avoid putting a "bx lr" in the inline assembly
// above and a superfluous return statement here.
//
#pragma diag_suppress=Pe940
}
#pragma diag_default=Pe940
#endif
#if defined(rvmdk) || defined(__ARMCC_VERSION)
__asm uint32_t
CPUprimask(void)
{
//
// Read PRIMASK and disable interrupts.
//
mrs r0, PRIMASK;
bx lr
}
#endif
#if defined(ccs)
uint32_t
CPUprimask(void)
{
//
// Read PRIMASK and disable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" bx lr\n");
//
// The following keeps the compiler happy, because it wants to see a
// return value from this function. It will generate code to return
// a zero. However, the real return is the "bx lr" above, so the
// return(0) is never executed and the function returns with the value
// you expect in R0.
//
return(0);
}
#endif
//*****************************************************************************
//
// Wrapper function for the CPSIE instruction. Returns the state of PRIMASK
// on entry.
//
//*****************************************************************************
#if defined(codered) || defined(gcc) || defined(sourcerygxx)
uint32_t __attribute__((naked))
CPUcpsie(void)
{
uint32_t ui32Ret;
//
// Read PRIMASK and enable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" cpsie i\n"
" bx lr\n"
: "=r" (ui32Ret));
//
// The return is handled in the inline assembly, but the compiler will
// still complain if there is not an explicit return here (despite the fact
// that this does not result in any code being produced because of the
// naked attribute).
//
return(ui32Ret);
}
#endif
#if defined(ewarm)
uint32_t
CPUcpsie(void)
{
//
// Read PRIMASK and enable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" cpsie i\n");
//
// "Warning[Pe940]: missing return statement at end of non-void function"
// is suppressed here to avoid putting a "bx lr" in the inline assembly
// above and a superfluous return statement here.
//
#pragma diag_suppress=Pe940
}
#pragma diag_default=Pe940
#endif
#if defined(rvmdk) || defined(__ARMCC_VERSION)
__asm uint32_t
CPUcpsie(void)
{
//
// Read PRIMASK and enable interrupts.
//
mrs r0, PRIMASK;
cpsie i;
bx lr
}
#endif
#if defined(ccs)
uint32_t
CPUcpsie(void)
{
//
// Read PRIMASK and enable interrupts.
//
__asm(" mrs r0, PRIMASK\n"
" cpsie i\n"
" bx lr\n");
//
// The following keeps the compiler happy, because it wants to see a
// return value from this function. It will generate code to return
// a zero. However, the real return is the "bx lr" above, so the
// return(0) is never executed and the function returns with the value
// you expect in R0.
//
return(0);
}
#endif
//*****************************************************************************
//
// Wrapper function for the WFI instruction.
//
//*****************************************************************************
#if defined(codered) || defined(gcc) || defined(sourcerygxx)
void __attribute__((naked))
CPUwfi(void)
{
//
// Wait for the next interrupt.
//
__asm(" wfi\n"
" bx lr\n");
}
#endif
#if defined(ewarm)
void
CPUwfi(void)
{
//
// Wait for the next interrupt.
//
__asm(" wfi\n");
}
#endif
#if defined(rvmdk) || defined(__ARMCC_VERSION)
__asm void
CPUwfi(void)
{
//
// Wait for the next interrupt.
//
wfi;
bx lr
}
#endif
#if defined(ccs)
void
CPUwfi(void)
{
//
// Wait for the next interrupt.
//
__asm(" wfi\n");
}
#endif
//*****************************************************************************
//
// Wrapper function for writing the BASEPRI register.
//
//*****************************************************************************
#if defined(codered) || defined(gcc) || defined(sourcerygxx)
void __attribute__((naked))
CPUbasepriSet(uint32_t ui32NewBasepri)
{
//
// Set the BASEPRI register
//
__asm(" msr BASEPRI, r0\n"
" bx lr\n");
}
#endif
#if defined(ewarm)
void
CPUbasepriSet(uint32_t ui32NewBasepri)
{
//
// Set the BASEPRI register
//
__asm(" msr BASEPRI, r0\n");
}
#endif
#if defined(rvmdk) || defined(__ARMCC_VERSION)
__asm void
CPUbasepriSet(uint32_t ui32NewBasepri)
{
//
// Set the BASEPRI register
//
msr BASEPRI, r0;
bx lr
}
#endif
#if defined(ccs)
void
CPUbasepriSet(uint32_t ui32NewBasepri)
{
//
// Set the BASEPRI register
//
__asm(" msr BASEPRI, r0\n");
}
#endif
//*****************************************************************************
//
// Wrapper function for reading the BASEPRI register.
//
//*****************************************************************************
#if defined(codered) || defined(gcc) || defined(sourcerygxx)
uint32_t __attribute__((naked))
CPUbasepriGet(void)
{
uint32_t ui32Ret;
//
// Read BASEPRI
//
__asm(" mrs r0, BASEPRI\n"
" bx lr\n"
: "=r" (ui32Ret));
//
// The return is handled in the inline assembly, but the compiler will
// still complain if there is not an explicit return here (despite the fact
// that this does not result in any code being produced because of the
// naked attribute).
//
return(ui32Ret);
}
#endif
#if defined(ewarm)
uint32_t
CPUbasepriGet(void)
{
//
// Read BASEPRI
//
__asm(" mrs r0, BASEPRI\n");
//
// "Warning[Pe940]: missing return statement at end of non-void function"
// is suppressed here to avoid putting a "bx lr" in the inline assembly
// above and a superfluous return statement here.
//
#pragma diag_suppress=Pe940
}
#pragma diag_default=Pe940
#endif
#if defined(rvmdk) || defined(__ARMCC_VERSION)
__asm uint32_t
CPUbasepriGet(void)
{
//
// Read BASEPRI
//
mrs r0, BASEPRI;
bx lr
}
#endif
#if defined(ccs)
uint32_t
CPUbasepriGet(void)
{
//
// Read BASEPRI
//
__asm(" mrs r0, BASEPRI\n"
" bx lr\n");
//
// The following keeps the compiler happy, because it wants to see a
// return value from this function. It will generate code to return
// a zero. However, the real return is the "bx lr" above, so the
// return(0) is never executed and the function returns with the value
// you expect in R0.
//
return(0);
}
#endif

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//*****************************************************************************
//
// cpu.h - Prototypes for the CPU instruction wrapper functions.
//
// Copyright (c) 2006-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_CPU_H__
#define __DRIVERLIB_CPU_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Prototypes.
//
//*****************************************************************************
extern uint32_t CPUcpsid(void);
extern uint32_t CPUcpsie(void);
extern uint32_t CPUprimask(void);
extern void CPUwfi(void);
extern uint32_t CPUbasepriGet(void);
extern void CPUbasepriSet(uint32_t ui32NewBasepri);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_CPU_H__

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//*****************************************************************************
//
// debug.h - Macros for assisting debug of the driver library.
//
// Copyright (c) 2006-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_DEBUG_H__
#define __DRIVERLIB_DEBUG_H__
//*****************************************************************************
//
// Prototype for the function that is called when an invalid argument is passed
// to an API. This is only used when doing a DEBUG build.
//
//*****************************************************************************
extern void __error__(char *pcFilename, uint32_t ui32Line);
//*****************************************************************************
//
// The ASSERT macro, which does the actual assertion checking. Typically, this
// will be for procedure arguments.
//
//*****************************************************************************
#ifdef DEBUG
#define ASSERT(expr) do \
{ \
if(!(expr)) \
{ \
__error__(__FILE__, __LINE__); \
} \
} \
while(0)
#else
#define ASSERT(expr)
#endif
#endif // __DRIVERLIB_DEBUG_H__

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//*****************************************************************************
//
// eeprom.h - Prototypes for the EEPROM driver.
//
// Copyright (c) 2010-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_EEPROM_H__
#define __DRIVERLIB_EEPROM_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
//! \addtogroup eeprom_api
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
// Values returned by EEPROMInit.
//
//*****************************************************************************
//
//! This value may be returned from a call to EEPROMInit(). It indicates that
//! no previous write operations were interrupted by a reset event and that the
//! EEPROM peripheral is ready for use.
//
#define EEPROM_INIT_OK 0
//
//! This value may be returned from a call to EEPROMInit(). It indicates that
//! a previous data or protection write operation was interrupted by a reset
//! event. The EEPROM peripheral has recovered its state but the last write
//! operation may have been lost. The application must check the validity of
//! data it has written and retry any writes as required.
//
#define EEPROM_INIT_RETRY 1
//
//! This value may be returned from a call to EEPROMInit(). It indicates that
//! a previous data or protection write operation was interrupted by a reset
//! event and that the EEPROM peripheral was unable to clean up after the
//! problem. This situation may be resolved with another reset or may be fatal
//! depending upon the cause of the problem. For example, if the voltage to
//! the part is unstable, retrying once the voltage has stabilized may clear
//! the error.
//
#define EEPROM_INIT_ERROR 2
//*****************************************************************************
//
// Error indicators returned by various EEPROM API calls. These will be ORed
// together into the final return code.
//
//*****************************************************************************
//
//! This return code bit indicates that the EEPROM programming state machine
//! failed to write a value due to the voltage level dropping below that
//! required for EEPROM programming. The operation may be retried once the
//! voltage stabilizes.
//
#define EEPROM_RC_INVPL 0x00000100
//
//! This return code bit indicates that an attempt was made to read from
//! the EEPROM while a write operation was in progress.
//
#define EEPROM_RC_WRBUSY 0x00000020
//
//! This return code bit indicates that an attempt was made to write a
//! value but the destination permissions disallow write operations. This
//! may be due to the destination block being locked, access protection set
//! to prohibit writes or an attempt to write a password when one is already
//! written.
//
#define EEPROM_RC_NOPERM 0x00000010
//
//! This return code bit indicates that the EEPROM programming state machine
//! is currently copying to or from the internal copy buffer to make room for
//! a newly written value. It is provided as a status indicator and does not
//! indicate an error.
//
#define EEPROM_RC_WKCOPY 0x00000008
//
//! This return code bit indicates that the EEPROM programming state machine
//! is currently erasing the internal copy buffer. It is provided as a
//! status indicator and does not indicate an error.
//
#define EEPROM_RC_WKERASE 0x00000004
//
//! This return code bit indicates that the EEPROM programming state machine
//! is currently working. No new write operations should be attempted until
//! this bit is clear.
//
#define EEPROM_RC_WORKING 0x00000001
//*****************************************************************************
//
// Values that can be passed to EEPROMBlockProtectSet() in the ui32Protect
// parameter, and returned by EEPROMBlockProtectGet().
//
//*****************************************************************************
//
//! This bit may be ORed with the protection option passed to
//! EEPROMBlockProtectSet() or returned from EEPROMBlockProtectGet(). It
//! restricts EEPROM access to threads running in supervisor mode and prevents
//! access to an EEPROM block when the CPU is in user mode.
//
#define EEPROM_PROT_SUPERVISOR_ONLY 0x00000008
//
//! This value may be passed to EEPROMBlockProtectSet() or returned from
//! EEPROMBlockProtectGet(). It indicates that the block should offer
//! read/write access when no password is set or when a password is set and
//! the block is unlocked, and read-only access when a password is set but
//! the block is locked.
//
#define EEPROM_PROT_RW_LRO_URW 0x00000000
//
//! This value may be passed to EEPROMBlockProtectSet() or returned from
//! EEPROMBlockProtectGet(). It indicates that the block should offer neither
//! read nor write access unless it is protected by a password and unlocked.
//
#define EEPROM_PROT_NA_LNA_URW 0x00000001
//
//! This value may be passed to EEPROMBlockProtectSet() or returned from
//! EEPROMBlockProtectGet(). It indicates that the block should offer
//! read-only access when no password is set or when a password is set and the
//! block is unlocked. When a password is set and the block is locked, neither
//! read nor write access is permitted.
//
#define EEPROM_PROT_RO_LNA_URO 0x00000002
//*****************************************************************************
//
//! This value may be passed to EEPROMIntEnable() and EEPROMIntDisable() and is
//! returned by EEPROMIntStatus() if an EEPROM interrupt is currently being
//! signaled.
//
//*****************************************************************************
#define EEPROM_INT_PROGRAM 0x00000004
//*****************************************************************************
//
//! Returns the EEPROM block number containing a given offset address.
//!
//! \param ui32Addr is the linear, byte address of the EEPROM location whose
//! block number is to be returned. This is a zero-based offset from the start
//! of the EEPROM storage.
//!
//! This macro may be used to translate an EEPROM address offset into a
//! block number suitable for use in any of the driver's block protection
//! functions. The address provided is expressed as a byte offset from the
//! base of the EEPROM.
//!
//! \return Returns the zero-based block number which contains the passed
//! address.
//
//*****************************************************************************
#define EEPROMBlockFromAddr(ui32Addr) ((ui32Addr) >> 6)
//*****************************************************************************
//
//! Returns the offset address of the first word in an EEPROM block.
//!
//! \param ui32Block is the index of the EEPROM block whose first word address
//! is to be returned.
//!
//! This macro may be used to determine the address of the first word in a
//! given EEPROM block. The address returned is expressed as a byte offset
//! from the base of EEPROM storage.
//!
//! \return Returns the address of the first word in the given EEPROM block.
//
//*****************************************************************************
#define EEPROMAddrFromBlock(ui32Block) ((ui32Block) << 6)
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern uint32_t EEPROMInit(void);
extern uint32_t EEPROMSizeGet(void);
extern uint32_t EEPROMBlockCountGet(void);
extern void EEPROMRead(uint32_t *pui32Data, uint32_t ui32Address,
uint32_t ui32Count);
extern uint32_t EEPROMProgram(uint32_t *pui32Data,
uint32_t ui32Address,
uint32_t ui32Count);
extern uint32_t EEPROMProgramNonBlocking(uint32_t ui32Data,
uint32_t ui32Address);
extern uint32_t EEPROMStatusGet(void);
extern uint32_t EEPROMMassErase(void);
extern uint32_t EEPROMBlockProtectGet(uint32_t ui32Block);
extern uint32_t EEPROMBlockProtectSet(uint32_t ui32Block,
uint32_t ui32Protect);
extern uint32_t EEPROMBlockPasswordSet(uint32_t ui32Block,
uint32_t *pui32Password,
uint32_t ui32Count);
extern uint32_t EEPROMBlockLock(uint32_t ui32Block);
extern uint32_t EEPROMBlockUnlock(uint32_t ui32Block,
uint32_t *pui32Password,
uint32_t ui32Count);
extern void EEPROMBlockHide(uint32_t ui32Block);
extern void EEPROMIntEnable(uint32_t ui32IntFlags);
extern void EEPROMIntDisable(uint32_t ui32IntFlags);
extern uint32_t EEPROMIntStatus(bool bMasked);
extern void EEPROMIntClear(uint32_t ui32IntFlags);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_EEPROM_H__

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//*****************************************************************************
//
// flash.c - Driver for programming the on-chip flash.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup flash_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_flash.h"
#include "inc/hw_ints.h"
#include "inc/hw_sysctl.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/flash.h"
#include "driverlib/interrupt.h"
//*****************************************************************************
//
// An array that maps the specified memory bank to the appropriate Flash
// Memory Protection Program Enable (FMPPE) register.
//
//*****************************************************************************
static const uint32_t g_pui32FMPPERegs[] =
{
FLASH_FMPPE0,
FLASH_FMPPE1,
FLASH_FMPPE2,
FLASH_FMPPE3
};
//*****************************************************************************
//
// An array that maps the specified memory bank to the appropriate Flash
// Memory Protection Read Enable (FMPRE) register.
//
//*****************************************************************************
static const uint32_t g_pui32FMPRERegs[] =
{
FLASH_FMPRE0,
FLASH_FMPRE1,
FLASH_FMPRE2,
FLASH_FMPRE3
};
//*****************************************************************************
//
//! Erases a block of flash.
//!
//! \param ui32Address is the start address of the flash block to be erased.
//!
//! This function erases a 1-kB block of the on-chip flash. After erasing,
//! the block is filled with 0xFF bytes. Read-only and execute-only blocks
//! cannot be erased.
//!
//! This function does not return until the block has been erased.
//!
//! \return Returns 0 on success, or -1 if an invalid block address was
//! specified or the block is write-protected.
//
//*****************************************************************************
int32_t
FlashErase(uint32_t ui32Address)
{
//
// Check the arguments.
//
ASSERT(!(ui32Address & (FLASH_ERASE_SIZE - 1)));
//
// Clear the flash access and error interrupts.
//
HWREG(FLASH_FCMISC) = (FLASH_FCMISC_AMISC | FLASH_FCMISC_VOLTMISC |
FLASH_FCMISC_ERMISC);
//
// Erase the block.
//
HWREG(FLASH_FMA) = ui32Address;
HWREG(FLASH_FMC) = FLASH_FMC_WRKEY | FLASH_FMC_ERASE;
//
// Wait until the block has been erased.
//
while(HWREG(FLASH_FMC) & FLASH_FMC_ERASE)
{
}
//
// Return an error if an access violation or erase error occurred.
//
if(HWREG(FLASH_FCRIS) & (FLASH_FCRIS_ARIS | FLASH_FCRIS_VOLTRIS |
FLASH_FCRIS_ERRIS))
{
return(-1);
}
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Programs flash.
//!
//! \param pui32Data is a pointer to the data to be programmed.
//! \param ui32Address is the starting address in flash to be programmed. Must
//! be a multiple of four.
//! \param ui32Count is the number of bytes to be programmed. Must be a
//! multiple of four.
//!
//! This function programs a sequence of words into the on-chip flash.
//! Each word in a page of flash can only be programmed one time between an
//! erase of that page; programming a word multiple times results in an
//! unpredictable value in that word of flash.
//!
//! Because the flash is programmed one word at a time, the starting address
//! and byte count must both be multiples of four. It is up to the caller to
//! verify the programmed contents, if such verification is required.
//!
//! This function does not return until the data has been programmed.
//!
//! \return Returns 0 on success, or -1 if a programming error is encountered.
//
//*****************************************************************************
int32_t
FlashProgram(uint32_t *pui32Data, uint32_t ui32Address, uint32_t ui32Count)
{
//
// Check the arguments.
//
ASSERT(!(ui32Address & 3));
ASSERT(!(ui32Count & 3));
//
// Clear the flash access and error interrupts.
//
HWREG(FLASH_FCMISC) = (FLASH_FCMISC_AMISC | FLASH_FCMISC_VOLTMISC |
FLASH_FCMISC_INVDMISC | FLASH_FCMISC_PROGMISC);
//
// Loop over the words to be programmed.
//
while(ui32Count)
{
//
// Set the address of this block of words.
//
HWREG(FLASH_FMA) = ui32Address & ~(0x7f);
//
// Loop over the words in this 32-word block.
//
while(((ui32Address & 0x7c) || (HWREG(FLASH_FWBVAL) == 0)) &&
(ui32Count != 0))
{
//
// Write this word into the write buffer.
//
HWREG(FLASH_FWBN + (ui32Address & 0x7c)) = *pui32Data++;
ui32Address += 4;
ui32Count -= 4;
}
//
// Program the contents of the write buffer into flash.
//
HWREG(FLASH_FMC2) = FLASH_FMC2_WRKEY | FLASH_FMC2_WRBUF;
//
// Wait until the write buffer has been programmed.
//
while(HWREG(FLASH_FMC2) & FLASH_FMC2_WRBUF)
{
}
}
//
// Return an error if an access violation occurred.
//
if(HWREG(FLASH_FCRIS) & (FLASH_FCRIS_ARIS | FLASH_FCRIS_VOLTRIS |
FLASH_FCRIS_INVDRIS | FLASH_FCRIS_PROGRIS))
{
return(-1);
}
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Gets the protection setting for a block of flash.
//!
//! \param ui32Address is the start address of the flash block to be queried.
//!
//! This function gets the current protection for the specified 2-kB block
//! of flash. Each block can be read/write, read-only, or execute-only.
//! Read/write blocks can be read, executed, erased, and programmed. Read-only
//! blocks can be read and executed. Execute-only blocks can only be executed;
//! processor and debugger data reads are not allowed.
//!
//! \return Returns the protection setting for this block. See
//! FlashProtectSet() for possible values.
//
//*****************************************************************************
tFlashProtection
FlashProtectGet(uint32_t ui32Address)
{
uint32_t ui32FMPRE, ui32FMPPE;
uint32_t ui32Bank;
//
// Check the argument.
//
ASSERT(!(ui32Address & (FLASH_PROTECT_SIZE - 1)));
//
// Calculate the Flash Bank from Base Address, and mask off the Bank
// from ui32Address for subsequent reference.
//
ui32Bank = (((ui32Address / FLASH_PROTECT_SIZE) / 32) % 4);
ui32Address &= ((FLASH_PROTECT_SIZE * 32) - 1);
//
// Read the appropriate flash protection registers for the specified
// flash bank.
//
ui32FMPRE = HWREG(g_pui32FMPRERegs[ui32Bank]);
ui32FMPPE = HWREG(g_pui32FMPPERegs[ui32Bank]);
//
// Check the appropriate protection bits for the block of memory that
// is specified by the address.
//
switch((((ui32FMPRE >> (ui32Address / FLASH_PROTECT_SIZE)) & 0x1) << 1) |
((ui32FMPPE >> (ui32Address / FLASH_PROTECT_SIZE)) & 0x1))
{
//
// This block is marked as execute only (that is, it can not be erased
// or programmed, and the only reads allowed are via the instruction
// fetch interface).
//
case 0:
case 1:
{
return(FlashExecuteOnly);
}
//
// This block is marked as read only (that is, it can not be erased or
// programmed).
//
case 2:
{
return(FlashReadOnly);
}
//
// This block is read/write; it can be read, erased, and programmed.
//
case 3:
default:
{
return(FlashReadWrite);
}
}
}
//*****************************************************************************
//
//! Sets the protection setting for a block of flash.
//!
//! \param ui32Address is the start address of the flash block to be protected.
//! \param eProtect is the protection to be applied to the block. Can be one
//! of \b FlashReadWrite, \b FlashReadOnly, or \b FlashExecuteOnly.
//!
//! This function sets the protection for the specified 2-kB block of
//! flash. Blocks that are read/write can be made read-only or execute-only.
//! Blocks that are read-only can be made execute-only. Blocks that are
//! execute-only cannot have their protection modified. Attempts to make the
//! block protection less stringent (that is, read-only to read/write)
//! result in a failure (and are prevented by the hardware).
//!
//! Changes to the flash protection are maintained only until the next reset.
//! This protocol allows the application to be executed in the desired flash
//! protection environment to check for inappropriate flash access (via the
//! flash interrupt). To make the flash protection permanent, use the
//! FlashProtectSave() function.
//!
//! \return Returns 0 on success, or -1 if an invalid address or an invalid
//! protection was specified.
//
//*****************************************************************************
int32_t
FlashProtectSet(uint32_t ui32Address, tFlashProtection eProtect)
{
uint32_t ui32ProtectRE, ui32ProtectPE;
uint32_t ui32Bank;
//
// Check the argument.
//
ASSERT(!(ui32Address & (FLASH_PROTECT_SIZE - 1)));
ASSERT((eProtect == FlashReadWrite) || (eProtect == FlashReadOnly) ||
(eProtect == FlashExecuteOnly));
//
// Convert the address into a block number.
//
ui32Address /= FLASH_PROTECT_SIZE;
//
// ui32Address contains a "raw" block number. Derive the Flash Bank from
// the "raw" block number, and convert ui32Address to a "relative"
// block number.
//
ui32Bank = ((ui32Address / 32) % 4);
ui32Address %= 32;
//
// Get the current protection for the specified flash bank.
//
ui32ProtectRE = HWREG(g_pui32FMPRERegs[ui32Bank]);
ui32ProtectPE = HWREG(g_pui32FMPPERegs[ui32Bank]);
//
// Set the protection based on the requested protection.
//
switch(eProtect)
{
//
// Make this block execute only.
//
case FlashExecuteOnly:
{
//
// Turn off the read and program bits for this block.
//
ui32ProtectRE &= ~(0x1 << ui32Address);
ui32ProtectPE &= ~(0x1 << ui32Address);
//
// We're done handling this protection.
//
break;
}
//
// Make this block read only.
//
case FlashReadOnly:
{
//
// The block can not be made read only if it is execute only.
//
if(((ui32ProtectRE >> ui32Address) & 0x1) != 0x1)
{
return(-1);
}
//
// Make this block read only.
//
ui32ProtectPE &= ~(0x1 << ui32Address);
//
// We're done handling this protection.
//
break;
}
//
// Make this block read/write.
//
case FlashReadWrite:
default:
{
//
// The block can not be made read/write if it is not already
// read/write.
//
if((((ui32ProtectRE >> ui32Address) & 0x1) != 0x1) ||
(((ui32ProtectPE >> ui32Address) & 0x1) != 0x1))
{
return(-1);
}
//
// The block is already read/write, so there is nothing to do.
//
return(0);
}
}
//
// Set the new protection for the specified flash bank.
//
HWREG(g_pui32FMPRERegs[ui32Bank]) = ui32ProtectRE;
HWREG(g_pui32FMPPERegs[ui32Bank]) = ui32ProtectPE;
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Saves the flash protection settings.
//!
//! This function makes the currently programmed flash protection settings
//! permanent. On some devices, this operation is non-reversible; a chip reset
//! or power cycle does not change the flash protection.
//!
//! This function does not return until the protection has been saved.
//!
//! \return Returns 0 on success, or -1 if a hardware error is encountered.
//
//*****************************************************************************
int32_t
FlashProtectSave(void)
{
uint32_t ui32Temp;
//
// Save the entire bank of 8 flash protection registers.
//
for(ui32Temp = 0; ui32Temp < 8; ui32Temp++)
{
//
// Tell the flash controller to write the flash protection register.
//
HWREG(FLASH_FMA) = ui32Temp;
HWREG(FLASH_FMC) = FLASH_FMC_WRKEY | FLASH_FMC_COMT;
//
// Wait until the write has completed.
//
while(HWREG(FLASH_FMC) & FLASH_FMC_COMT)
{
}
}
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Gets the user registers.
//!
//! \param pui32User0 is a pointer to the location to store USER Register 0.
//! \param pui32User1 is a pointer to the location to store USER Register 1.
//!
//! This function reads the contents of user registers (0 and 1), and
//! stores them in the specified locations.
//!
//! \return Returns 0 on success, or -1 if a hardware error is encountered.
//
//*****************************************************************************
int32_t
FlashUserGet(uint32_t *pui32User0, uint32_t *pui32User1)
{
//
// Verify that the pointers are valid.
//
ASSERT(pui32User0 != 0);
ASSERT(pui32User1 != 0);
//
// Get and store the current value of the user registers.
//
*pui32User0 = HWREG(FLASH_USERREG0);
*pui32User1 = HWREG(FLASH_USERREG1);
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Sets the user registers.
//!
//! \param ui32User0 is the value to store in USER Register 0.
//! \param ui32User1 is the value to store in USER Register 1.
//!
//! This function sets the contents of the user registers (0 and 1) to
//! the specified values.
//!
//! \return Returns 0 on success, or -1 if a hardware error is encountered.
//
//*****************************************************************************
int32_t
FlashUserSet(uint32_t ui32User0, uint32_t ui32User1)
{
//
// Save the new values into the user registers.
//
HWREG(FLASH_USERREG0) = ui32User0;
HWREG(FLASH_USERREG1) = ui32User1;
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Saves the user registers.
//!
//! This function makes the currently programmed user register settings
//! permanent. On some devices, this operation is non-reversible; a chip reset
//! or power cycle does not change this setting.
//!
//! This function does not return until the protection has been saved.
//!
//! \return Returns 0 on success, or -1 if a hardware error is encountered.
//
//*****************************************************************************
int32_t
FlashUserSave(void)
{
//
// Setting the MSB of FMA will trigger a permanent save of a USER
// register. Bit 0 will indicate User 0 (0) or User 1 (1).
//
HWREG(FLASH_FMA) = 0x80000000;
HWREG(FLASH_FMC) = FLASH_FMC_WRKEY | FLASH_FMC_COMT;
//
// Wait until the write has completed.
//
while(HWREG(FLASH_FMC) & FLASH_FMC_COMT)
{
}
//
// Tell the flash controller to write the USER1 Register.
//
HWREG(FLASH_FMA) = 0x80000001;
HWREG(FLASH_FMC) = FLASH_FMC_WRKEY | FLASH_FMC_COMT;
//
// Wait until the write has completed.
//
while(HWREG(FLASH_FMC) & FLASH_FMC_COMT)
{
}
//
// Success.
//
return(0);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the flash interrupt.
//!
//! \param pfnHandler is a pointer to the function to be called when the flash
//! interrupt occurs.
//!
//! This function sets the handler to be called when the flash interrupt
//! occurs. The flash controller can generate an interrupt when an invalid
//! flash access occurs, such as trying to program or erase a read-only block,
//! or trying to read from an execute-only block. It can also generate an
//! interrupt when a program or erase operation has completed. The interrupt
//! is automatically enabled when the handler is registered.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
FlashIntRegister(void (*pfnHandler)(void))
{
//
// Register the interrupt handler, returning an error if an error occurs.
//
IntRegister(INT_FLASH_BLIZZARD, pfnHandler);
//
// Enable the flash interrupt.
//
IntEnable(INT_FLASH_BLIZZARD);
}
//*****************************************************************************
//
//! Unregisters the interrupt handler for the flash interrupt.
//!
//! This function clears the handler to be called when the flash interrupt
//! occurs. This function also masks off the interrupt in the interrupt
//! controller so that the interrupt handler is no longer called.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
FlashIntUnregister(void)
{
//
// Disable the interrupt.
//
IntDisable(INT_FLASH_BLIZZARD);
//
// Unregister the interrupt handler.
//
IntUnregister(INT_FLASH_BLIZZARD);
}
//*****************************************************************************
//
//! Enables individual flash controller interrupt sources.
//!
//! \param ui32IntFlags is a bit mask of the interrupt sources to be enabled.
//! Can be any of the \b FLASH_INT_PROGRAM or \b FLASH_INT_ACCESS values.
//!
//! This function enables the indicated flash controller interrupt sources.
//! Only the sources that are enabled can be reflected to the processor
//! interrupt; disabled sources have no effect on the processor.
//!
//! \return None.
//
//*****************************************************************************
void
FlashIntEnable(uint32_t ui32IntFlags)
{
//
// Enable the specified interrupts.
//
HWREG(FLASH_FCIM) |= ui32IntFlags;
}
//*****************************************************************************
//
//! Disables individual flash controller interrupt sources.
//!
//! \param ui32IntFlags is a bit mask of the interrupt sources to be disabled.
//! Can be any of the \b FLASH_INT_PROGRAM or \b FLASH_INT_ACCESS values.
//!
//! This function disables the indicated flash controller interrupt sources.
//! Only the sources that are enabled can be reflected to the processor
//! interrupt; disabled sources have no effect on the processor.
//!
//! \return None.
//
//*****************************************************************************
void
FlashIntDisable(uint32_t ui32IntFlags)
{
//
// Disable the specified interrupts.
//
HWREG(FLASH_FCIM) &= ~(ui32IntFlags);
}
//*****************************************************************************
//
//! Gets the current interrupt status.
//!
//! \param bMasked is false if the raw interrupt status is required and true if
//! the masked interrupt status is required.
//!
//! This function returns the interrupt status for the flash controller.
//! Either the raw interrupt status or the status of interrupts that are
//! allowed to reflect to the processor can be returned.
//!
//! \return The current interrupt status, enumerated as a bit field of
//! \b FLASH_INT_PROGRAM and \b FLASH_INT_ACCESS.
//
//*****************************************************************************
uint32_t
FlashIntStatus(bool bMasked)
{
//
// Return either the interrupt status or the raw interrupt status as
// requested.
//
if(bMasked)
{
return(HWREG(FLASH_FCMISC));
}
else
{
return(HWREG(FLASH_FCRIS));
}
}
//*****************************************************************************
//
//! Clears flash controller interrupt sources.
//!
//! \param ui32IntFlags is the bit mask of the interrupt sources to be cleared.
//! Can be any of the \b FLASH_INT_PROGRAM or \b FLASH_INT_AMISC values.
//!
//! The specified flash controller interrupt sources are cleared, so that they
//! no longer assert. This function must be called in the interrupt handler
//! to keep the interrupt from being triggered again immediately upon exit.
//!
//! \note Because there is a write buffer in the Cortex-M processor, it may
//! take several clock cycles before the interrupt source is actually cleared.
//! Therefore, it is recommended that the interrupt source be cleared early in
//! the interrupt handler (as opposed to the very last action) to avoid
//! returning from the interrupt handler before the interrupt source is
//! actually cleared. Failure to do so may result in the interrupt handler
//! being immediately reentered (because the interrupt controller still sees
//! the interrupt source asserted).
//!
//! \return None.
//
//*****************************************************************************
void
FlashIntClear(uint32_t ui32IntFlags)
{
//
// Clear the flash interrupt.
//
HWREG(FLASH_FCMISC) = ui32IntFlags;
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// flash.h - Prototypes for the flash driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_FLASH_H__
#define __DRIVERLIB_FLASH_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to FlashProtectSet(), and returned by
// FlashProtectGet().
//
//*****************************************************************************
typedef enum
{
FlashReadWrite, // Flash can be read and written
FlashReadOnly, // Flash can only be read
FlashExecuteOnly // Flash can only be executed
}
tFlashProtection;
//*****************************************************************************
//
// Values passed to FlashIntEnable(), FlashIntDisable() and FlashIntClear() and
// returned from FlashIntStatus().
//
//*****************************************************************************
#define FLASH_INT_PROGRAM 0x00000002 // Programming Interrupt Mask
#define FLASH_INT_ACCESS 0x00000001 // Access Interrupt Mask
#define FLASH_INT_EEPROM 0x00000004 // EEPROM Interrupt Mask
#define FLASH_INT_VOLTAGE_ERR 0x00000200 // Voltage Error Interrupt Mask
#define FLASH_INT_DATA_ERR 0x00000400 // Invalid Data Interrupt Mask
#define FLASH_INT_ERASE_ERR 0x00000800 // Erase Error Interrupt Mask
#define FLASH_INT_PROGRAM_ERR 0x00002000 // Program Verify Error Interrupt Mask
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern int32_t FlashErase(uint32_t ui32Address);
extern int32_t FlashProgram(uint32_t *pui32Data, uint32_t ui32Address,
uint32_t ui32Count);
extern tFlashProtection FlashProtectGet(uint32_t ui32Address);
extern int32_t FlashProtectSet(uint32_t ui32Address,
tFlashProtection eProtect);
extern int32_t FlashProtectSave(void);
extern int32_t FlashUserGet(uint32_t *pui32User0, uint32_t *pui32User1);
extern int32_t FlashUserSet(uint32_t ui32User0, uint32_t ui32User1);
extern int32_t FlashUserSave(void);
extern void FlashIntRegister(void (*pfnHandler)(void));
extern void FlashIntUnregister(void);
extern void FlashIntEnable(uint32_t ui32IntFlags);
extern void FlashIntDisable(uint32_t ui32IntFlags);
extern uint32_t FlashIntStatus(bool bMasked);
extern void FlashIntClear(uint32_t ui32IntFlags);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_FLASH_H__

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//*****************************************************************************
//
// fpu.c - Routines for manipulating the floating-point unit in the Cortex-M
// processor.
//
// Copyright (c) 2011-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup fpu_api
//! @{
//
//*****************************************************************************
#include <stdint.h>
#include "inc/hw_nvic.h"
#include "inc/hw_types.h"
#include "driverlib/fpu.h"
//*****************************************************************************
//
//! Enables the floating-point unit.
//!
//! This function enables the floating-point unit, allowing the floating-point
//! instructions to be executed. This function must be called prior to
//! performing any hardware floating-point operations; failure to do so results
//! in a NOCP usage fault.
//!
//! \return None.
//
//*****************************************************************************
void
FPUEnable(void)
{
//
// Enable the coprocessors used by the floating-point unit.
//
HWREG(NVIC_CPAC) = ((HWREG(NVIC_CPAC) &
~(NVIC_CPAC_CP10_M | NVIC_CPAC_CP11_M)) |
NVIC_CPAC_CP10_FULL | NVIC_CPAC_CP11_FULL);
}
//*****************************************************************************
//
//! Disables the floating-point unit.
//!
//! This function disables the floating-point unit, preventing floating-point
//! instructions from executing (generating a NOCP usage fault instead).
//!
//! \return None.
//
//*****************************************************************************
void
FPUDisable(void)
{
//
// Disable the coprocessors used by the floating-point unit.
//
HWREG(NVIC_CPAC) = ((HWREG(NVIC_CPAC) &
~(NVIC_CPAC_CP10_M | NVIC_CPAC_CP11_M)) |
NVIC_CPAC_CP10_DIS | NVIC_CPAC_CP11_DIS);
}
//*****************************************************************************
//
//! Enables the stacking of floating-point registers.
//!
//! This function enables the stacking of floating-point registers s0-s15 when
//! an interrupt is handled. When enabled, space is reserved on the stack for
//! the floating-point context and the floating-point state is saved into this
//! stack space. Upon return from the interrupt, the floating-point context is
//! restored.
//!
//! If the floating-point registers are not stacked, floating-point
//! instructions cannot be safely executed in an interrupt handler because the
//! values of s0-s15 are not likely to be preserved for the interrupted code.
//! On the other hand, stacking the floating-point registers increases the
//! stacking operation from 8 words to 26 words, also increasing the interrupt
//! response latency.
//!
//! \return None.
//
//*****************************************************************************
void
FPUStackingEnable(void)
{
//
// Enable automatic state preservation for the floating-point unit, and
// disable lazy state preservation (meaning that the floating-point state
// is always stacked when floating-point instructions are used).
//
HWREG(NVIC_FPCC) = (HWREG(NVIC_FPCC) & ~NVIC_FPCC_LSPEN) | NVIC_FPCC_ASPEN;
}
//*****************************************************************************
//
//! Enables the lazy stacking of floating-point registers.
//!
//! This function enables the lazy stacking of floating-point registers s0-s15
//! when an interrupt is handled. When lazy stacking is enabled, space is
//! reserved on the stack for the floating-point context, but the
//! floating-point state is not saved. If a floating-point instruction is
//! executed from within the interrupt context, the floating-point context is
//! first saved into the space reserved on the stack. On completion of the
//! interrupt handler, the floating-point context is only restored if it was
//! saved (as the result of executing a floating-point instruction).
//!
//! This method provides a compromise between fast interrupt response (because
//! the floating-point state is not saved on interrupt entry) and the ability
//! to use floating-point in interrupt handlers (because the floating-point
//! state is saved if floating-point instructions are used).
//!
//! \return None.
//
//*****************************************************************************
void
FPULazyStackingEnable(void)
{
//
// Enable automatic and lazy state preservation for the floating-point
// unit.
//
HWREG(NVIC_FPCC) |= NVIC_FPCC_ASPEN | NVIC_FPCC_LSPEN;
}
//*****************************************************************************
//
//! Disables the stacking of floating-point registers.
//!
//! This function disables the stacking of floating-point registers s0-s15 when
//! an interrupt is handled. When floating-point context stacking is disabled,
//! floating-point operations performed in an interrupt handler destroy the
//! floating-point context of the main thread of execution.
//!
//! \return None.
//
//*****************************************************************************
void
FPUStackingDisable(void)
{
//
// Disable automatic and lazy state preservation for the floating-point
// unit.
//
HWREG(NVIC_FPCC) &= ~(NVIC_FPCC_ASPEN | NVIC_FPCC_LSPEN);
}
//*****************************************************************************
//
//! Selects the format of half-precision floating-point values.
//!
//! \param ui32Mode is the format for half-precision floating-point value,
//! which is either \b FPU_HALF_IEEE or \b FPU_HALF_ALTERNATE.
//!
//! This function selects between the IEEE half-precision floating-point
//! representation and the Cortex-M processor alternative representation. The
//! alternative representation has a larger range but does not have a way to
//! encode infinity (positive or negative) or NaN (quiet or signaling). The
//! default setting is the IEEE format.
//!
//! \note Unless this function is called prior to executing any floating-point
//! instructions, the default mode is used.
//!
//! \return None.
//
//*****************************************************************************
void
FPUHalfPrecisionModeSet(uint32_t ui32Mode)
{
//
// Set the half-precision floating-point format.
//
HWREG(NVIC_FPDSC) = (HWREG(NVIC_FPDSC) & ~(NVIC_FPDSC_AHP)) | ui32Mode;
}
//*****************************************************************************
//
//! Selects the NaN mode.
//!
//! \param ui32Mode is the mode for NaN results; which is either
//! \b FPU_NAN_PROPAGATE or \b FPU_NAN_DEFAULT.
//!
//! This function selects the handling of NaN results during floating-point
//! computations. NaNs can either propagate (the default), or they can return
//! the default NaN.
//!
//! \note Unless this function is called prior to executing any floating-point
//! instructions, the default mode is used.
//!
//! \return None.
//
//*****************************************************************************
void
FPUNaNModeSet(uint32_t ui32Mode)
{
//
// Set the NaN mode.
//
HWREG(NVIC_FPDSC) = (HWREG(NVIC_FPDSC) & ~(NVIC_FPDSC_DN)) | ui32Mode;
}
//*****************************************************************************
//
//! Selects the flush-to-zero mode.
//!
//! \param ui32Mode is the flush-to-zero mode; which is either
//! \b FPU_FLUSH_TO_ZERO_DIS or \b FPU_FLUSH_TO_ZERO_EN.
//!
//! This function enables or disables the flush-to-zero mode of the
//! floating-point unit. When disabled (the default), the floating-point unit
//! is fully IEEE compliant. When enabled, values close to zero are treated as
//! zero, greatly improving the execution speed at the expense of some accuracy
//! (as well as IEEE compliance).
//!
//! \note Unless this function is called prior to executing any floating-point
//! instructions, the default mode is used.
//!
//! \return None.
//
//*****************************************************************************
void
FPUFlushToZeroModeSet(uint32_t ui32Mode)
{
//
// Set the flush-to-zero mode.
//
HWREG(NVIC_FPDSC) = (HWREG(NVIC_FPDSC) & ~(NVIC_FPDSC_FZ)) | ui32Mode;
}
//*****************************************************************************
//
//! Selects the rounding mode for floating-point results.
//!
//! \param ui32Mode is the rounding mode.
//!
//! This function selects the rounding mode for floating-point results. After
//! a floating-point operation, the result is rounded toward the specified
//! value. The default mode is \b FPU_ROUND_NEAREST.
//!
//! The following rounding modes are available (as specified by \e ui32Mode):
//!
//! - \b FPU_ROUND_NEAREST - round toward the nearest value
//! - \b FPU_ROUND_POS_INF - round toward positive infinity
//! - \b FPU_ROUND_NEG_INF - round toward negative infinity
//! - \b FPU_ROUND_ZERO - round toward zero
//!
//! \note Unless this function is called prior to executing any floating-point
//! instructions, the default mode is used.
//!
//! \return None.
//
//*****************************************************************************
void
FPURoundingModeSet(uint32_t ui32Mode)
{
//
// Set the rounding mode.
//
HWREG(NVIC_FPDSC) = (HWREG(NVIC_FPDSC) & ~(NVIC_FPDSC_RMODE_M)) | ui32Mode;
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// fpu.h - Prototypes for the floatint point manipulation routines.
//
// Copyright (c) 2011-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_FPU_H__
#define __DRIVERLIB_FPU_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to FPUHalfPrecisionSet as the ui32Mode parameter.
//
//*****************************************************************************
#define FPU_HALF_IEEE 0x00000000
#define FPU_HALF_ALTERNATE 0x04000000
//*****************************************************************************
//
// Values that can be passed to FPUNaNModeSet as the ui32Mode parameter.
//
//*****************************************************************************
#define FPU_NAN_PROPAGATE 0x00000000
#define FPU_NAN_DEFAULT 0x02000000
//*****************************************************************************
//
// Values that can be passed to FPUFlushToZeroModeSet as the ui32Mode
// parameter.
//
//*****************************************************************************
#define FPU_FLUSH_TO_ZERO_DIS 0x00000000
#define FPU_FLUSH_TO_ZERO_EN 0x01000000
//*****************************************************************************
//
// Values that can be passed to FPURoundingModeSet as the ui32Mode parameter.
//
//*****************************************************************************
#define FPU_ROUND_NEAREST 0x00000000
#define FPU_ROUND_POS_INF 0x00400000
#define FPU_ROUND_NEG_INF 0x00800000
#define FPU_ROUND_ZERO 0x00c00000
//*****************************************************************************
//
// Prototypes.
//
//*****************************************************************************
extern void FPUEnable(void);
extern void FPUDisable(void);
extern void FPUStackingEnable(void);
extern void FPULazyStackingEnable(void);
extern void FPUStackingDisable(void);
extern void FPUHalfPrecisionModeSet(uint32_t ui32Mode);
extern void FPUNaNModeSet(uint32_t ui32Mode);
extern void FPUFlushToZeroModeSet(uint32_t ui32Mode);
extern void FPURoundingModeSet(uint32_t ui32Mode);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_FPU_H__

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//*****************************************************************************
//
// gpio.h - Defines and Macros for GPIO API.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_GPIO_H__
#define __DRIVERLIB_GPIO_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The following values define the bit field for the ui8Pins argument to
// several of the APIs.
//
//*****************************************************************************
#define GPIO_PIN_0 0x00000001 // GPIO pin 0
#define GPIO_PIN_1 0x00000002 // GPIO pin 1
#define GPIO_PIN_2 0x00000004 // GPIO pin 2
#define GPIO_PIN_3 0x00000008 // GPIO pin 3
#define GPIO_PIN_4 0x00000010 // GPIO pin 4
#define GPIO_PIN_5 0x00000020 // GPIO pin 5
#define GPIO_PIN_6 0x00000040 // GPIO pin 6
#define GPIO_PIN_7 0x00000080 // GPIO pin 7
//*****************************************************************************
//
// Values that can be passed to GPIODirModeSet as the ui32PinIO parameter, and
// returned from GPIODirModeGet.
//
//*****************************************************************************
#define GPIO_DIR_MODE_IN 0x00000000 // Pin is a GPIO input
#define GPIO_DIR_MODE_OUT 0x00000001 // Pin is a GPIO output
#define GPIO_DIR_MODE_HW 0x00000002 // Pin is a peripheral function
//*****************************************************************************
//
// Values that can be passed to GPIOIntTypeSet as the ui32IntType parameter,
// and returned from GPIOIntTypeGet.
//
//*****************************************************************************
#define GPIO_FALLING_EDGE 0x00000000 // Interrupt on falling edge
#define GPIO_RISING_EDGE 0x00000004 // Interrupt on rising edge
#define GPIO_BOTH_EDGES 0x00000001 // Interrupt on both edges
#define GPIO_LOW_LEVEL 0x00000002 // Interrupt on low level
#define GPIO_HIGH_LEVEL 0x00000006 // Interrupt on high level
#define GPIO_DISCRETE_INT 0x00010000 // Interrupt for individual pins
//*****************************************************************************
//
// Values that can be passed to GPIOPadConfigSet as the ui32Strength parameter,
// and returned by GPIOPadConfigGet in the *pui32Strength parameter.
//
//*****************************************************************************
#define GPIO_STRENGTH_2MA 0x00000001 // 2mA drive strength
#define GPIO_STRENGTH_4MA 0x00000002 // 4mA drive strength
#define GPIO_STRENGTH_8MA 0x00000004 // 8mA drive strength
#define GPIO_STRENGTH_8MA_SC 0x0000000C // 8mA drive with slew rate control
//*****************************************************************************
//
// Values that can be passed to GPIOPadConfigSet as the ui32PadType parameter,
// and returned by GPIOPadConfigGet in the *pui32PadType parameter.
//
//*****************************************************************************
#define GPIO_PIN_TYPE_STD 0x00000008 // Push-pull
#define GPIO_PIN_TYPE_STD_WPU 0x0000000A // Push-pull with weak pull-up
#define GPIO_PIN_TYPE_STD_WPD 0x0000000C // Push-pull with weak pull-down
#define GPIO_PIN_TYPE_OD 0x00000009 // Open-drain
#define GPIO_PIN_TYPE_ANALOG 0x00000000 // Analog comparator
//*****************************************************************************
//
// Values that can be passed to GPIOIntEnable() and GPIOIntDisable() functions
// in the ui32IntFlags parameter.
//
//*****************************************************************************
#define GPIO_INT_PIN_0 0x00000001
#define GPIO_INT_PIN_1 0x00000002
#define GPIO_INT_PIN_2 0x00000004
#define GPIO_INT_PIN_3 0x00000008
#define GPIO_INT_PIN_4 0x00000010
#define GPIO_INT_PIN_5 0x00000020
#define GPIO_INT_PIN_6 0x00000040
#define GPIO_INT_PIN_7 0x00000080
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void GPIODirModeSet(uint32_t ui32Port, uint8_t ui8Pins,
uint32_t ui32PinIO);
extern uint32_t GPIODirModeGet(uint32_t ui32Port, uint8_t ui8Pin);
extern void GPIOIntTypeSet(uint32_t ui32Port, uint8_t ui8Pins,
uint32_t ui32IntType);
extern uint32_t GPIOIntTypeGet(uint32_t ui32Port, uint8_t ui8Pin);
extern void GPIOPadConfigSet(uint32_t ui32Port, uint8_t ui8Pins,
uint32_t ui32Strength, uint32_t ui32PadType);
extern void GPIOPadConfigGet(uint32_t ui32Port, uint8_t ui8Pin,
uint32_t *pui32Strength, uint32_t *pui32PadType);
extern void GPIOIntEnable(uint32_t ui32Port, uint32_t ui32IntFlags);
extern void GPIOIntDisable(uint32_t ui32Port, uint32_t ui32IntFlags);
extern uint32_t GPIOIntStatus(uint32_t ui32Port, bool bMasked);
extern void GPIOIntClear(uint32_t ui32Port, uint32_t ui32IntFlags);
extern void GPIOIntRegister(uint32_t ui32Port, void (*pfnIntHandler)(void));
extern void GPIOIntUnregister(uint32_t ui32Port);
extern int32_t GPIOPinRead(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinWrite(uint32_t ui32Port, uint8_t ui8Pins, uint8_t ui8Val);
extern void GPIOPinConfigure(uint32_t ui32PinConfig);
extern void GPIOPinTypeADC(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeCAN(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeComparator(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeEPI(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeEthernetLED(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeEthernetMII(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeFan(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeGPIOInput(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeGPIOOutput(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeGPIOOutputOD(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeI2C(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeI2CSCL(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeLPC(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypePECIRx(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypePECITx(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypePWM(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeQEI(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeSSI(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeTimer(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeUART(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeUSBAnalog(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOPinTypeUSBDigital(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIODMATriggerEnable(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIODMATriggerDisable(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOADCTriggerEnable(uint32_t ui32Port, uint8_t ui8Pins);
extern void GPIOADCTriggerDisable(uint32_t ui32Port, uint8_t ui8Pins);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_GPIO_H__

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//*****************************************************************************
//
// hibernate.h - API definition for the Hibernation module.
//
// Copyright (c) 2007-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_HIBERNATE_H__
#define __DRIVERLIB_HIBERNATE_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Macros need to configure wake events for HibernateWakeSet()
//
//*****************************************************************************
#define HIBERNATE_WAKE_PIN 0x00000010
#define HIBERNATE_WAKE_RTC 0x00000008
#define HIBERNATE_WAKE_LOW_BAT 0x00000200
//*****************************************************************************
//
// Macros needed to configure low battery detect for HibernateLowBatSet()
//
//*****************************************************************************
#define HIBERNATE_LOW_BAT_DETECT \
0x00000020
#define HIBERNATE_LOW_BAT_ABORT 0x000000A0
#define HIBERNATE_LOW_BAT_1_9V 0x00000000
#define HIBERNATE_LOW_BAT_2_1V 0x00002000
#define HIBERNATE_LOW_BAT_2_3V 0x00004000
#define HIBERNATE_LOW_BAT_2_5V 0x00006000
//*****************************************************************************
//
// Macros defining interrupt source bits for the interrupt functions.
//
//*****************************************************************************
#define HIBERNATE_INT_WR_COMPLETE \
0x00000010
#define HIBERNATE_INT_PIN_WAKE 0x00000008
#define HIBERNATE_INT_LOW_BAT 0x00000004
#define HIBERNATE_INT_RTC_MATCH_0 \
0x00000001
//*****************************************************************************
//
// Macros defining oscillator configuration options for the
// HibernateClockConfig() function.
//
//*****************************************************************************
#define HIBERNATE_OSC_LOWDRIVE 0x00000000
#define HIBERNATE_OSC_HIGHDRIVE 0x00020000
#define HIBERNATE_OSC_DISABLE 0x00010000
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void HibernateGPIORetentionEnable(void);
extern void HibernateGPIORetentionDisable(void);
extern bool HibernateGPIORetentionGet(void);
extern void HibernateEnableExpClk(uint32_t ui32HibClk);
extern void HibernateDisable(void);
extern void HibernateRTCEnable(void);
extern void HibernateRTCDisable(void);
extern void HibernateWakeSet(uint32_t ui32WakeFlags);
extern uint32_t HibernateWakeGet(void);
extern void HibernateLowBatSet(uint32_t ui32LowBatFlags);
extern uint32_t HibernateLowBatGet(void);
extern void HibernateRTCSet(uint32_t ui32RTCValue);
extern uint32_t HibernateRTCGet(void);
extern void HibernateRTCMatchSet(uint32_t ui32Match, uint32_t ui32Value);
extern uint32_t HibernateRTCMatchGet(uint32_t ui32Match);
extern void HibernateRTCTrimSet(uint32_t ui32Trim);
extern uint32_t HibernateRTCTrimGet(void);
extern void HibernateDataSet(uint32_t *pui32Data, uint32_t ui32Count);
extern void HibernateDataGet(uint32_t *pui32Data, uint32_t ui32Count);
extern void HibernateRequest(void);
extern void HibernateIntEnable(uint32_t ui32IntFlags);
extern void HibernateIntDisable(uint32_t ui32IntFlags);
extern void HibernateIntRegister(void (*pfnHandler)(void));
extern void HibernateIntUnregister(void);
extern uint32_t HibernateIntStatus(bool bMasked);
extern void HibernateIntClear(uint32_t ui32IntFlags);
extern uint32_t HibernateIsActive(void);
extern void HibernateRTCSSMatchSet(uint32_t ui32Match, uint32_t ui32Value);
extern uint32_t HibernateRTCSSMatchGet(uint32_t ui32Match);
extern uint32_t HibernateRTCSSGet(void);
extern void HibernateClockConfig(uint32_t ui32Config);
extern void HibernateBatCheckStart(void);
extern uint32_t HibernateBatCheckDone(void);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_HIBERNATE_H__

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//*****************************************************************************
//
// i2c.h - Prototypes for the I2C Driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_I2C_H__
#define __DRIVERLIB_I2C_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Defines for the API.
//
//*****************************************************************************
//*****************************************************************************
//
// Interrupt defines.
//
//*****************************************************************************
#define I2C_INT_MASTER 0x00000001
#define I2C_INT_SLAVE 0x00000002
//*****************************************************************************
//
// I2C Master commands.
//
//*****************************************************************************
#define I2C_MASTER_CMD_SINGLE_SEND \
0x00000007
#define I2C_MASTER_CMD_SINGLE_RECEIVE \
0x00000007
#define I2C_MASTER_CMD_BURST_SEND_START \
0x00000003
#define I2C_MASTER_CMD_BURST_SEND_CONT \
0x00000001
#define I2C_MASTER_CMD_BURST_SEND_FINISH \
0x00000005
#define I2C_MASTER_CMD_BURST_SEND_STOP \
0x00000004
#define I2C_MASTER_CMD_BURST_SEND_ERROR_STOP \
0x00000004
#define I2C_MASTER_CMD_BURST_RECEIVE_START \
0x0000000b
#define I2C_MASTER_CMD_BURST_RECEIVE_CONT \
0x00000009
#define I2C_MASTER_CMD_BURST_RECEIVE_FINISH \
0x00000005
#define I2C_MASTER_CMD_BURST_RECEIVE_ERROR_STOP \
0x00000004
#define I2C_MASTER_CMD_QUICK_COMMAND \
0x00000027
#define I2C_MASTER_CMD_HS_MASTER_CODE_SEND \
0x00000013
//*****************************************************************************
//
// I2C Master error status.
//
//*****************************************************************************
#define I2C_MASTER_ERR_NONE 0
#define I2C_MASTER_ERR_ADDR_ACK 0x00000004
#define I2C_MASTER_ERR_DATA_ACK 0x00000008
#define I2C_MASTER_ERR_ARB_LOST 0x00000010
#define I2C_MASTER_ERR_CLK_TOUT 0x00000080
//*****************************************************************************
//
// I2C Slave action requests
//
//*****************************************************************************
#define I2C_SLAVE_ACT_NONE 0
#define I2C_SLAVE_ACT_RREQ 0x00000001 // Master has sent data
#define I2C_SLAVE_ACT_TREQ 0x00000002 // Master has requested data
#define I2C_SLAVE_ACT_RREQ_FBR 0x00000005 // Master has sent first byte
#define I2C_SLAVE_ACT_OWN2SEL 0x00000008 // Master requested secondary slave
#define I2C_SLAVE_ACT_QCMD 0x00000010 // Master has sent a Quick Command
#define I2C_SLAVE_ACT_QCMD_DATA 0x00000020 // Master Quick Command value
//*****************************************************************************
//
// Miscellaneous I2C driver definitions.
//
//*****************************************************************************
#define I2C_MASTER_MAX_RETRIES 1000 // Number of retries
//*****************************************************************************
//
// I2C Master interrupts.
//
//*****************************************************************************
#define I2C_MASTER_INT_TIMEOUT 0x00000002 // Clock Timeout Interrupt
#define I2C_MASTER_INT_DATA 0x00000001 // Data Interrupt
//*****************************************************************************
//
// I2C Slave interrupts.
//
//*****************************************************************************
#define I2C_SLAVE_INT_STOP 0x00000004 // Stop Condition Interrupt
#define I2C_SLAVE_INT_START 0x00000002 // Start Condition Interrupt
#define I2C_SLAVE_INT_DATA 0x00000001 // Data Interrupt
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void I2CIntRegister(uint32_t ui32Base, void(pfnHandler)(void));
extern void I2CIntUnregister(uint32_t ui32Base);
extern bool I2CMasterBusBusy(uint32_t ui32Base);
extern bool I2CMasterBusy(uint32_t ui32Base);
extern void I2CMasterControl(uint32_t ui32Base, uint32_t ui32Cmd);
extern uint32_t I2CMasterDataGet(uint32_t ui32Base);
extern void I2CMasterDataPut(uint32_t ui32Base, uint8_t ui8Data);
extern void I2CMasterDisable(uint32_t ui32Base);
extern void I2CMasterEnable(uint32_t ui32Base);
extern uint32_t I2CMasterErr(uint32_t ui32Base);
extern void I2CMasterInitExpClk(uint32_t ui32Base, uint32_t ui32I2CClk,
bool bFast);
extern void I2CMasterIntClear(uint32_t ui32Base);
extern void I2CMasterIntDisable(uint32_t ui32Base);
extern void I2CMasterIntEnable(uint32_t ui32Base);
extern bool I2CMasterIntStatus(uint32_t ui32Base, bool bMasked);
extern void I2CMasterIntEnableEx(uint32_t ui32Base,
uint32_t ui32IntFlags);
extern void I2CMasterIntDisableEx(uint32_t ui32Base,
uint32_t ui32IntFlags);
extern uint32_t I2CMasterIntStatusEx(uint32_t ui32Base,
bool bMasked);
extern void I2CMasterIntClearEx(uint32_t ui32Base,
uint32_t ui32IntFlags);
extern void I2CMasterTimeoutSet(uint32_t ui32Base, uint32_t ui32Value);
extern void I2CSlaveACKOverride(uint32_t ui32Base, bool bEnable);
extern void I2CSlaveACKValueSet(uint32_t ui32Base, bool bACK);
extern uint32_t I2CMasterLineStateGet(uint32_t ui32Base);
extern void I2CMasterSlaveAddrSet(uint32_t ui32Base,
uint8_t ui8SlaveAddr,
bool bReceive);
extern uint32_t I2CSlaveDataGet(uint32_t ui32Base);
extern void I2CSlaveDataPut(uint32_t ui32Base, uint8_t ui8Data);
extern void I2CSlaveDisable(uint32_t ui32Base);
extern void I2CSlaveEnable(uint32_t ui32Base);
extern void I2CSlaveInit(uint32_t ui32Base, uint8_t ui8SlaveAddr);
extern void I2CSlaveAddressSet(uint32_t ui32Base, uint8_t ui8AddrNum,
uint8_t ui8SlaveAddr);
extern void I2CSlaveIntClear(uint32_t ui32Base);
extern void I2CSlaveIntDisable(uint32_t ui32Base);
extern void I2CSlaveIntEnable(uint32_t ui32Base);
extern void I2CSlaveIntClearEx(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void I2CSlaveIntDisableEx(uint32_t ui32Base,
uint32_t ui32IntFlags);
extern void I2CSlaveIntEnableEx(uint32_t ui32Base, uint32_t ui32IntFlags);
extern bool I2CSlaveIntStatus(uint32_t ui32Base, bool bMasked);
extern uint32_t I2CSlaveIntStatusEx(uint32_t ui32Base,
bool bMasked);
extern uint32_t I2CSlaveStatus(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_I2C_H__

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//*****************************************************************************
//
// interrupt.c - Driver for the NVIC Interrupt Controller.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup interrupt_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_nvic.h"
#include "inc/hw_types.h"
#include "driverlib/cpu.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
//*****************************************************************************
//
// This is a mapping between priority grouping encodings and the number of
// preemption priority bits.
//
//*****************************************************************************
static const uint32_t g_pui32Priority[] =
{
NVIC_APINT_PRIGROUP_0_8, NVIC_APINT_PRIGROUP_1_7, NVIC_APINT_PRIGROUP_2_6,
NVIC_APINT_PRIGROUP_3_5, NVIC_APINT_PRIGROUP_4_4, NVIC_APINT_PRIGROUP_5_3,
NVIC_APINT_PRIGROUP_6_2, NVIC_APINT_PRIGROUP_7_1
};
//*****************************************************************************
//
// This is a mapping between interrupt number and the register that contains
// the priority encoding for that interrupt.
//
//*****************************************************************************
static const uint32_t g_pui32Regs[] =
{
0, NVIC_SYS_PRI1, NVIC_SYS_PRI2, NVIC_SYS_PRI3, NVIC_PRI0, NVIC_PRI1,
NVIC_PRI2, NVIC_PRI3, NVIC_PRI4, NVIC_PRI5, NVIC_PRI6, NVIC_PRI7,
NVIC_PRI8, NVIC_PRI9, NVIC_PRI10, NVIC_PRI11, NVIC_PRI12, NVIC_PRI13,
NVIC_PRI14, NVIC_PRI15, NVIC_PRI16, NVIC_PRI17, NVIC_PRI18, NVIC_PRI19,
NVIC_PRI20, NVIC_PRI21, NVIC_PRI22, NVIC_PRI23, NVIC_PRI24, NVIC_PRI25,
NVIC_PRI26, NVIC_PRI27, NVIC_PRI28, NVIC_PRI29, NVIC_PRI30, NVIC_PRI31,
NVIC_PRI32, NVIC_PRI33, NVIC_PRI34
};
//*****************************************************************************
//
// This is a mapping between interrupt number (for the peripheral interrupts
// only) and the register that contains the interrupt enable for that
// interrupt.
//
//*****************************************************************************
static const uint32_t g_pui32EnRegs[] =
{
NVIC_EN0, NVIC_EN1, NVIC_EN2, NVIC_EN3, NVIC_EN4
};
//*****************************************************************************
//
// This is a mapping between interrupt number (for the peripheral interrupts
// only) and the register that contains the interrupt disable for that
// interrupt.
//
//*****************************************************************************
static const uint32_t g_pui32Dii16Regs[] =
{
NVIC_DIS0, NVIC_DIS1, NVIC_DIS2, NVIC_DIS3, NVIC_DIS4
};
//*****************************************************************************
//
// This is a mapping between interrupt number (for the peripheral interrupts
// only) and the register that contains the interrupt pend for that interrupt.
//
//*****************************************************************************
static const uint32_t g_pui32PendRegs[] =
{
NVIC_PEND0, NVIC_PEND1, NVIC_PEND2, NVIC_PEND3, NVIC_PEND4
};
//*****************************************************************************
//
// This is a mapping between interrupt number (for the peripheral interrupts
// only) and the register that contains the interrupt unpend for that
// interrupt.
//
//*****************************************************************************
static const uint32_t g_pui32UnpendRegs[] =
{
NVIC_UNPEND0, NVIC_UNPEND1, NVIC_UNPEND2, NVIC_UNPEND3, NVIC_UNPEND4
};
//*****************************************************************************
//
//! \internal
//! The default interrupt handler.
//!
//! This is the default interrupt handler for all interrupts. It simply loops
//! forever so that the system state is preserved for observation by a
//! debugger. Since interrupts must be disabled before unregistering the
//! corresponding handler, this should never be called during normal operation.
//!
//! \return None.
//
//*****************************************************************************
static void
_IntDefaultHandler(void)
{
//
// Go into an infinite loop.
//
while(1)
{
}
}
//*****************************************************************************
//
// The processor vector table.
//
// This contains a list of the handlers for the various interrupt sources in
// the system. The layout of this list is defined by the hardware; assertion
// of an interrupt causes the processor to start executing directly at the
// address given in the corresponding location in this list.
//
//*****************************************************************************
//
// Set the size of the vector table to the largest number of interrupts of
// any device
//
#undef NUM_INTERRUPTS
#define NUM_INTERRUPTS 155
#if defined(ewarm)
#pragma data_alignment=1024
static __no_init void (*g_pfnRAMVectors[NUM_INTERRUPTS])(void) @ "VTABLE";
#elif defined(sourcerygxx)
static __attribute__((section(".cs3.region-head.ram")))
void (*g_pfnRAMVectors[NUM_INTERRUPTS])(void) __attribute__ ((aligned(1024)));
#elif defined(ccs) || defined(DOXYGEN)
#pragma DATA_ALIGN(g_pfnRAMVectors, 1024)
#pragma DATA_SECTION(g_pfnRAMVectors, ".vtable")
void (*g_pfnRAMVectors[NUM_INTERRUPTS])(void);
#else
static __attribute__((section("vtable")))
void (*g_pfnRAMVectors[NUM_INTERRUPTS])(void) __attribute__((aligned(1024)));
#endif
//*****************************************************************************
//
//! Enables the processor interrupt.
//!
//! This function allows the processor to respond to interrupts. This function
//! does not affect the set of interrupts enabled in the interrupt controller;
//! it just gates the single interrupt from the controller to the processor.
//!
//! \note Previously, this function had no return value. As such, it was
//! possible to include <tt>interrupt.h</tt> and call this function without
//! having included <tt>hw_types.h</tt>. Now that the return is a
//! <tt>bool</tt>, a compiler error occurs in this case. The solution
//! is to include <tt>hw_types.h</tt> before including <tt>interrupt.h</tt>.
//!
//! \return Returns \b true if interrupts were disabled when the function was
//! called or \b false if they were initially enabled.
//
//*****************************************************************************
bool
IntMasterEnable(void)
{
//
// Enable processor interrupts.
//
return(CPUcpsie());
}
//*****************************************************************************
//
//! Disables the processor interrupt.
//!
//! This function prevents the processor from receiving interrupts. This
//! function does not affect the set of interrupts enabled in the interrupt
//! controller; it just gates the single interrupt from the controller to the
//! processor.
//!
//! \note Previously, this function had no return value. As such, it was
//! possible to include <tt>interrupt.h</tt> and call this function without
//! having included <tt>hw_types.h</tt>. Now that the return is a
//! <tt>bool</tt>, a compiler error occurs in this case. The solution
//! is to include <tt>hw_types.h</tt> before including <tt>interrupt.h</tt>.
//!
//! \return Returns \b true if interrupts were already disabled when the
//! function was called or \b false if they were initially enabled.
//
//*****************************************************************************
bool
IntMasterDisable(void)
{
//
// Disable processor interrupts.
//
return(CPUcpsid());
}
//*****************************************************************************
//
//! Registers a function to be called when an interrupt occurs.
//!
//! \param ui32Interrupt specifies the interrupt in question.
//! \param pfnHandler is a pointer to the function to be called.
//!
//! This function is used to specify the handler function to be called when the
//! given interrupt is asserted to the processor. When the interrupt occurs,
//! if it is enabled (via IntEnable()), the handler function is called in
//! interrupt context. Because the handler function can preempt other code,
//! care must be taken to protect memory or peripherals that are accessed by
//! the handler and other non-handler code.
//!
//! \note The use of this function (directly or indirectly via a peripheral
//! driver interrupt register function) moves the interrupt vector table from
//! flash to SRAM. Therefore, care must be taken when linking the application
//! to ensure that the SRAM vector table is located at the beginning of SRAM;
//! otherwise the NVIC does not look in the correct portion of memory for the
//! vector table (it requires the vector table be on a 1 kB memory alignment).
//! Normally, the SRAM vector table is so placed via the use of linker scripts.
//! See the discussion of compile-time versus run-time interrupt handler
//! registration in the introduction to this chapter.
//!
//! \return None.
//
//*****************************************************************************
void
IntRegister(uint32_t ui32Interrupt, void (*pfnHandler)(void))
{
uint32_t ui32Idx, ui32Value;
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Make sure that the RAM vector table is correctly aligned.
//
ASSERT(((uint32_t)g_pfnRAMVectors & 0x000003ff) == 0);
//
// See if the RAM vector table has been initialized.
//
if(HWREG(NVIC_VTABLE) != (uint32_t)g_pfnRAMVectors)
{
//
// Copy the vector table from the beginning of FLASH to the RAM vector
// table.
//
ui32Value = HWREG(NVIC_VTABLE);
for(ui32Idx = 0; ui32Idx < NUM_INTERRUPTS; ui32Idx++)
{
g_pfnRAMVectors[ui32Idx] = (void (*)(void))HWREG((ui32Idx * 4) +
ui32Value);
}
//
// Point the NVIC at the RAM vector table.
//
HWREG(NVIC_VTABLE) = (uint32_t)g_pfnRAMVectors;
}
//
// Save the interrupt handler.
//
g_pfnRAMVectors[ui32Interrupt] = pfnHandler;
}
//*****************************************************************************
//
//! Unregisters the function to be called when an interrupt occurs.
//!
//! \param ui32Interrupt specifies the interrupt in question.
//!
//! This function is used to indicate that no handler is called when the
//! given interrupt is asserted to the processor. The interrupt source is
//! automatically disabled (via IntDisable()) if necessary.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
IntUnregister(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Reset the interrupt handler.
//
g_pfnRAMVectors[ui32Interrupt] = _IntDefaultHandler;
}
//*****************************************************************************
//
//! Sets the priority grouping of the interrupt controller.
//!
//! \param ui32Bits specifies the number of bits of preemptable priority.
//!
//! This function specifies the split between preemptable priority levels and
//! sub-priority levels in the interrupt priority specification. The range of
//! the grouping values are dependent upon the hardware implementation; on
//! the Tiva C and E Series family, three bits are available for hardware
//! interrupt prioritization and therefore priority grouping values of three
//! through seven have the same effect.
//!
//! \return None.
//
//*****************************************************************************
void
IntPriorityGroupingSet(uint32_t ui32Bits)
{
//
// Check the arguments.
//
ASSERT(ui32Bits < NUM_PRIORITY);
//
// Set the priority grouping.
//
HWREG(NVIC_APINT) = NVIC_APINT_VECTKEY | g_pui32Priority[ui32Bits];
}
//*****************************************************************************
//
//! Gets the priority grouping of the interrupt controller.
//!
//! This function returns the split between preemptable priority levels and
//! sub-priority levels in the interrupt priority specification.
//!
//! \return The number of bits of preemptable priority.
//
//*****************************************************************************
uint32_t
IntPriorityGroupingGet(void)
{
uint32_t ui32Loop, ui32Value;
//
// Read the priority grouping.
//
ui32Value = HWREG(NVIC_APINT) & NVIC_APINT_PRIGROUP_M;
//
// Loop through the priority grouping values.
//
for(ui32Loop = 0; ui32Loop < NUM_PRIORITY; ui32Loop++)
{
//
// Stop looping if this value matches.
//
if(ui32Value == g_pui32Priority[ui32Loop])
{
break;
}
}
//
// Return the number of priority bits.
//
return(ui32Loop);
}
//*****************************************************************************
//
//! Sets the priority of an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt in question.
//! \param ui8Priority specifies the priority of the interrupt.
//!
//! This function is used to set the priority of an interrupt. When multiple
//! interrupts are asserted simultaneously, the ones with the highest priority
//! are processed before the lower priority interrupts. Smaller numbers
//! correspond to higher interrupt priorities; priority 0 is the highest
//! interrupt priority.
//!
//! The hardware priority mechanism only looks at the upper N bits of the
//! priority level (where N is 3 for the Tiva C and E Series family), so any
//! prioritization must be performed in those bits. The remaining bits can be
//! used to sub-prioritize the interrupt sources, and may be used by the
//! hardware priority mechanism on a future part. This arrangement allows
//! priorities to migrate to different NVIC implementations without changing
//! the gross prioritization of the interrupts.
//!
//! \return None.
//
//*****************************************************************************
void
IntPrioritySet(uint32_t ui32Interrupt, uint8_t ui8Priority)
{
uint32_t ui32Temp;
//
// Check the arguments.
//
ASSERT((ui32Interrupt >= 4) && (ui32Interrupt < NUM_INTERRUPTS));
//
// Set the interrupt priority.
//
ui32Temp = HWREG(g_pui32Regs[ui32Interrupt >> 2]);
ui32Temp &= ~(0xFF << (8 * (ui32Interrupt & 3)));
ui32Temp |= ui8Priority << (8 * (ui32Interrupt & 3));
HWREG(g_pui32Regs[ui32Interrupt >> 2]) = ui32Temp;
}
//*****************************************************************************
//
//! Gets the priority of an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt in question.
//!
//! This function gets the priority of an interrupt. See IntPrioritySet() for
//! a definition of the priority value.
//!
//! \return Returns the interrupt priority, or -1 if an invalid interrupt was
//! specified.
//
//*****************************************************************************
int32_t
IntPriorityGet(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT((ui32Interrupt >= 4) && (ui32Interrupt < NUM_INTERRUPTS));
//
// Return the interrupt priority.
//
return((HWREG(g_pui32Regs[ui32Interrupt >> 2]) >>
(8 * (ui32Interrupt & 3))) & 0xFF);
}
//*****************************************************************************
//
//! Enables an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt to be enabled.
//!
//! The specified interrupt is enabled in the interrupt controller. Other
//! enables for the interrupt (such as at the peripheral level) are unaffected
//! by this function.
//!
//! \return None.
//
//*****************************************************************************
void
IntEnable(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Determine the interrupt to enable.
//
if(ui32Interrupt == FAULT_MPU)
{
//
// Enable the MemManage interrupt.
//
HWREG(NVIC_SYS_HND_CTRL) |= NVIC_SYS_HND_CTRL_MEM;
}
else if(ui32Interrupt == FAULT_BUS)
{
//
// Enable the bus fault interrupt.
//
HWREG(NVIC_SYS_HND_CTRL) |= NVIC_SYS_HND_CTRL_BUS;
}
else if(ui32Interrupt == FAULT_USAGE)
{
//
// Enable the usage fault interrupt.
//
HWREG(NVIC_SYS_HND_CTRL) |= NVIC_SYS_HND_CTRL_USAGE;
}
else if(ui32Interrupt == FAULT_SYSTICK)
{
//
// Enable the System Tick interrupt.
//
HWREG(NVIC_ST_CTRL) |= NVIC_ST_CTRL_INTEN;
}
else if(ui32Interrupt >= 16)
{
//
// Enable the general interrupt.
//
HWREG(g_pui32EnRegs[(ui32Interrupt - 16) / 32]) =
1 << ((ui32Interrupt - 16) & 31);
}
}
//*****************************************************************************
//
//! Disables an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt to be disabled.
//!
//! The specified interrupt is disabled in the interrupt controller. Other
//! enables for the interrupt (such as at the peripheral level) are unaffected
//! by this function.
//!
//! \return None.
//
//*****************************************************************************
void
IntDisable(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Determine the interrupt to disable.
//
if(ui32Interrupt == FAULT_MPU)
{
//
// Disable the MemManage interrupt.
//
HWREG(NVIC_SYS_HND_CTRL) &= ~(NVIC_SYS_HND_CTRL_MEM);
}
else if(ui32Interrupt == FAULT_BUS)
{
//
// Disable the bus fault interrupt.
//
HWREG(NVIC_SYS_HND_CTRL) &= ~(NVIC_SYS_HND_CTRL_BUS);
}
else if(ui32Interrupt == FAULT_USAGE)
{
//
// Disable the usage fault interrupt.
//
HWREG(NVIC_SYS_HND_CTRL) &= ~(NVIC_SYS_HND_CTRL_USAGE);
}
else if(ui32Interrupt == FAULT_SYSTICK)
{
//
// Disable the System Tick interrupt.
//
HWREG(NVIC_ST_CTRL) &= ~(NVIC_ST_CTRL_INTEN);
}
else if(ui32Interrupt >= 16)
{
//
// Disable the general interrupt.
//
HWREG(g_pui32Dii16Regs[(ui32Interrupt - 16) / 32]) =
1 << ((ui32Interrupt - 16) & 31);
}
}
//*****************************************************************************
//
//! Returns if a peripheral interrupt is enabled.
//!
//! \param ui32Interrupt specifies the interrupt to check.
//!
//! This function checks if the specified interrupt is enabled in the interrupt
//! controller.
//!
//! \return A non-zero value if the interrupt is enabled.
//
//*****************************************************************************
uint32_t
IntIsEnabled(uint32_t ui32Interrupt)
{
uint32_t ui32Ret;
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Initialize the return value.
//
ui32Ret = 0;
//
// Determine the interrupt to disable.
//
if(ui32Interrupt == FAULT_MPU)
{
//
// Check the MemManage interrupt.
//
ui32Ret = HWREG(NVIC_SYS_HND_CTRL) & NVIC_SYS_HND_CTRL_MEM;
}
else if(ui32Interrupt == FAULT_BUS)
{
//
// Check the bus fault interrupt.
//
ui32Ret = HWREG(NVIC_SYS_HND_CTRL) & NVIC_SYS_HND_CTRL_BUS;
}
else if(ui32Interrupt == FAULT_USAGE)
{
//
// Check the usage fault interrupt.
//
ui32Ret = HWREG(NVIC_SYS_HND_CTRL) & NVIC_SYS_HND_CTRL_USAGE;
}
else if(ui32Interrupt == FAULT_SYSTICK)
{
//
// Check the System Tick interrupt.
//
ui32Ret = HWREG(NVIC_ST_CTRL) & NVIC_ST_CTRL_INTEN;
}
else if(ui32Interrupt >= 16)
{
//
// Check the general interrupt.
//
ui32Ret = HWREG(g_pui32EnRegs[(ui32Interrupt - 16) / 32]) &
(1 << ((ui32Interrupt - 16) & 31));
}
return(ui32Ret);
}
//*****************************************************************************
//
//! Pends an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt to be pended.
//!
//! The specified interrupt is pended in the interrupt controller. Pending an
//! interrupt causes the interrupt controller to execute the corresponding
//! interrupt handler at the next available time, based on the current
//! interrupt state priorities. For example, if called by a higher priority
//! interrupt handler, the specified interrupt handler is not called until
//! after the current interrupt handler has completed execution. The interrupt
//! must have been enabled for it to be called.
//!
//! \return None.
//
//*****************************************************************************
void
IntPendSet(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Determine the interrupt to pend.
//
if(ui32Interrupt == FAULT_NMI)
{
//
// Pend the NMI interrupt.
//
HWREG(NVIC_INT_CTRL) |= NVIC_INT_CTRL_NMI_SET;
}
else if(ui32Interrupt == FAULT_PENDSV)
{
//
// Pend the PendSV interrupt.
//
HWREG(NVIC_INT_CTRL) |= NVIC_INT_CTRL_PEND_SV;
}
else if(ui32Interrupt == FAULT_SYSTICK)
{
//
// Pend the SysTick interrupt.
//
HWREG(NVIC_INT_CTRL) |= NVIC_INT_CTRL_PENDSTSET;
}
else if(ui32Interrupt >= 16)
{
//
// Pend the general interrupt.
//
HWREG(g_pui32PendRegs[(ui32Interrupt - 16) / 32]) =
1 << ((ui32Interrupt - 16) & 31);
}
}
//*****************************************************************************
//
//! Un-pends an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt to be un-pended.
//!
//! The specified interrupt is un-pended in the interrupt controller. This
//! causes any previously generated interrupts that have not been handled
//! yet (due to higher priority interrupts or the interrupt not having been
//! enabled yet) to be discarded.
//!
//! \return None.
//
//*****************************************************************************
void
IntPendClear(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT(ui32Interrupt < NUM_INTERRUPTS);
//
// Determine the interrupt to unpend.
//
if(ui32Interrupt == FAULT_PENDSV)
{
//
// Unpend the PendSV interrupt.
//
HWREG(NVIC_INT_CTRL) |= NVIC_INT_CTRL_UNPEND_SV;
}
else if(ui32Interrupt == FAULT_SYSTICK)
{
//
// Unpend the SysTick interrupt.
//
HWREG(NVIC_INT_CTRL) |= NVIC_INT_CTRL_PENDSTCLR;
}
else if(ui32Interrupt >= 16)
{
//
// Unpend the general interrupt.
//
HWREG(g_pui32UnpendRegs[(ui32Interrupt - 16) / 32]) =
1 << ((ui32Interrupt - 16) & 31);
}
}
//*****************************************************************************
//
//! Sets the priority masking level
//!
//! \param ui32PriorityMask is the priority level that is masked.
//!
//! This function sets the interrupt priority masking level so that all
//! interrupts at the specified or lesser priority level are masked. Masking
//! interrupts can be used to globally disable a set of interrupts with
//! priority below a predetermined threshold. A value of 0 disables priority
//! masking.
//!
//! Smaller numbers correspond to higher interrupt priorities. So for example
//! a priority level mask of 4 allows interrupts of priority level 0-3,
//! and interrupts with a numerical priority of 4 and greater are blocked.
//!
//! The hardware priority mechanism only looks at the upper N bits of the
//! priority level (where N is 3 for the Tiva C and E Series family), so any
//! prioritization must be performed in those bits.
//!
//! \return None.
//
//*****************************************************************************
void
IntPriorityMaskSet(uint32_t ui32PriorityMask)
{
//
// Set the priority mask.
//
CPUbasepriSet(ui32PriorityMask);
}
//*****************************************************************************
//
//! Gets the priority masking level
//!
//! This function gets the current setting of the interrupt priority masking
//! level. The value returned is the priority level such that all interrupts
//! of that and lesser priority are masked. A value of 0 means that priority
//! masking is disabled.
//!
//! Smaller numbers correspond to higher interrupt priorities. So for example
//! a priority level mask of 4 allows interrupts of priority level 0-3,
//! and interrupts with a numerical priority of 4 and greater are blocked.
//!
//! The hardware priority mechanism only looks at the upper N bits of the
//! priority level (where N is 3 for the Tiva C and E Series family), so any
//! prioritization must be performed in those bits.
//!
//! \return Returns the value of the interrupt priority level mask.
//
//*****************************************************************************
uint32_t
IntPriorityMaskGet(void)
{
//
// Return the current priority mask.
//
return(CPUbasepriGet());
}
//*****************************************************************************
//
//! Triggers an interrupt.
//!
//! \param ui32Interrupt specifies the interrupt to be triggered.
//!
//! This function performs a software trigger of an interrupt. The interrupt
//! controller behaves as if the corresponding interrupt line was asserted, and
//! the interrupt is handled in the same manner (meaning that it must be
//! enabled in order to be processed, and the processing is based on its
//! priority with respect to other unhandled interrupts).
//!
//! \return None.
//
//*****************************************************************************
void
IntTrigger(uint32_t ui32Interrupt)
{
//
// Check the arguments.
//
ASSERT((ui32Interrupt >= 16) && (ui32Interrupt < NUM_INTERRUPTS));
//
// Trigger this interrupt.
//
HWREG(NVIC_SW_TRIG) = ui32Interrupt - 16;
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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@ -0,0 +1,94 @@
//*****************************************************************************
//
// interrupt.h - Prototypes for the NVIC Interrupt Controller Driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_INTERRUPT_H__
#define __DRIVERLIB_INTERRUPT_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Macro to generate an interrupt priority mask based on the number of bits
// of priority supported by the hardware.
//
//*****************************************************************************
#define INT_PRIORITY_MASK ((0xFF << (8 - NUM_PRIORITY_BITS)) & 0xFF)
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern bool IntMasterEnable(void);
extern bool IntMasterDisable(void);
extern void IntRegister(uint32_t ui32Interrupt, void (*pfnHandler)(void));
extern void IntUnregister(uint32_t ui32Interrupt);
extern void IntPriorityGroupingSet(uint32_t ui32Bits);
extern uint32_t IntPriorityGroupingGet(void);
extern void IntPrioritySet(uint32_t ui32Interrupt,
uint8_t ui8Priority);
extern int32_t IntPriorityGet(uint32_t ui32Interrupt);
extern void IntEnable(uint32_t ui32Interrupt);
extern void IntDisable(uint32_t ui32Interrupt);
extern uint32_t IntIsEnabled(uint32_t ui32Interrupt);
extern void IntPendSet(uint32_t ui32Interrupt);
extern void IntPendClear(uint32_t ui32Interrupt);
extern void IntPriorityMaskSet(uint32_t ui32PriorityMask);
extern uint32_t IntPriorityMaskGet(void);
extern void IntTrigger(uint32_t ui32Interrupt);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_INTERRUPT_H__

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//*****************************************************************************
//
// mpu.c - Driver for the Cortex-M3 memory protection unit (MPU).
//
// Copyright (c) 2007-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup mpu_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_nvic.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
#include "driverlib/mpu.h"
//*****************************************************************************
//
//! Enables and configures the MPU for use.
//!
//! \param ui32MPUConfig is the logical OR of the possible configurations.
//!
//! This function enables the Cortex-M memory protection unit. It also
//! configures the default behavior when in privileged mode and while handling
//! a hard fault or NMI. Prior to enabling the MPU, at least one region must
//! be set by calling MPURegionSet() or else by enabling the default region for
//! privileged mode by passing the \b MPU_CONFIG_PRIV_DEFAULT flag to
//! MPUEnable(). Once the MPU is enabled, a memory management fault is
//! generated for memory access violations.
//!
//! The \e ui32MPUConfig parameter should be the logical OR of any of the
//! following:
//!
//! - \b MPU_CONFIG_PRIV_DEFAULT enables the default memory map when in
//! privileged mode and when no other regions are defined. If this option
//! is not enabled, then there must be at least one valid region already
//! defined when the MPU is enabled.
//! - \b MPU_CONFIG_HARDFLT_NMI enables the MPU while in a hard fault or NMI
//! exception handler. If this option is not enabled, then the MPU is
//! disabled while in one of these exception handlers and the default
//! memory map is applied.
//! - \b MPU_CONFIG_NONE chooses none of the above options. In this case,
//! no default memory map is provided in privileged mode, and the MPU is not
//! enabled in the fault handlers.
//!
//! \return None.
//
//*****************************************************************************
void
MPUEnable(uint32_t ui32MPUConfig)
{
//
// Check the arguments.
//
ASSERT(!(ui32MPUConfig & ~(MPU_CONFIG_PRIV_DEFAULT |
MPU_CONFIG_HARDFLT_NMI)));
//
// Set the MPU control bits according to the flags passed by the user,
// and also set the enable bit.
//
HWREG(NVIC_MPU_CTRL) = ui32MPUConfig | NVIC_MPU_CTRL_ENABLE;
}
//*****************************************************************************
//
//! Disables the MPU for use.
//!
//! This function disables the Cortex-M memory protection unit. When the
//! MPU is disabled, the default memory map is used and memory management
//! faults are not generated.
//!
//! \return None.
//
//*****************************************************************************
void
MPUDisable(void)
{
//
// Turn off the MPU enable bit.
//
HWREG(NVIC_MPU_CTRL) &= ~NVIC_MPU_CTRL_ENABLE;
}
//*****************************************************************************
//
//! Gets the count of regions supported by the MPU.
//!
//! This function is used to get the total number of regions that are supported
//! by the MPU, including regions that are already programmed.
//!
//! \return The number of memory protection regions that are available
//! for programming using MPURegionSet().
//
//*****************************************************************************
uint32_t
MPURegionCountGet(void)
{
//
// Read the DREGION field of the MPU type register and mask off
// the bits of interest to get the count of regions.
//
return((HWREG(NVIC_MPU_TYPE) & NVIC_MPU_TYPE_DREGION_M) >>
NVIC_MPU_TYPE_DREGION_S);
}
//*****************************************************************************
//
//! Enables a specific region.
//!
//! \param ui32Region is the region number to enable.
//!
//! This function is used to enable a memory protection region. The region
//! should already be configured with the MPURegionSet() function. Once
//! enabled, the memory protection rules of the region are applied and access
//! violations cause a memory management fault.
//!
//! \return None.
//
//*****************************************************************************
void
MPURegionEnable(uint32_t ui32Region)
{
//
// Check the arguments.
//
ASSERT(ui32Region < 8);
//
// Select the region to modify.
//
HWREG(NVIC_MPU_NUMBER) = ui32Region;
//
// Modify the enable bit in the region attributes.
//
HWREG(NVIC_MPU_ATTR) |= NVIC_MPU_ATTR_ENABLE;
}
//*****************************************************************************
//
//! Disables a specific region.
//!
//! \param ui32Region is the region number to disable.
//!
//! This function is used to disable a previously enabled memory protection
//! region. The region remains configured if it is not overwritten with
//! another call to MPURegionSet(), and can be enabled again by calling
//! MPURegionEnable().
//!
//! \return None.
//
//*****************************************************************************
void
MPURegionDisable(uint32_t ui32Region)
{
//
// Check the arguments.
//
ASSERT(ui32Region < 8);
//
// Select the region to modify.
//
HWREG(NVIC_MPU_NUMBER) = ui32Region;
//
// Modify the enable bit in the region attributes.
//
HWREG(NVIC_MPU_ATTR) &= ~NVIC_MPU_ATTR_ENABLE;
}
//*****************************************************************************
//
//! Sets up the access rules for a specific region.
//!
//! \param ui32Region is the region number to set up.
//! \param ui32Addr is the base address of the region. It must be aligned
//! according to the size of the region specified in ui32Flags.
//! \param ui32Flags is a set of flags to define the attributes of the region.
//!
//! This function sets up the protection rules for a region. The region has
//! a base address and a set of attributes including the size. The base
//! address parameter, \e ui32Addr, must be aligned according to the size, and
//! the size must be a power of 2.
//!
//! The \e ui32Flags parameter is the logical OR of all of the attributes
//! of the region. It is a combination of choices for region size,
//! execute permission, read/write permissions, disabled sub-regions,
//! and a flag to determine if the region is enabled.
//!
//! The size flag determines the size of a region and must be one of the
//! following:
//!
//! - \b MPU_RGN_SIZE_32B
//! - \b MPU_RGN_SIZE_64B
//! - \b MPU_RGN_SIZE_128B
//! - \b MPU_RGN_SIZE_256B
//! - \b MPU_RGN_SIZE_512B
//! - \b MPU_RGN_SIZE_1K
//! - \b MPU_RGN_SIZE_2K
//! - \b MPU_RGN_SIZE_4K
//! - \b MPU_RGN_SIZE_8K
//! - \b MPU_RGN_SIZE_16K
//! - \b MPU_RGN_SIZE_32K
//! - \b MPU_RGN_SIZE_64K
//! - \b MPU_RGN_SIZE_128K
//! - \b MPU_RGN_SIZE_256K
//! - \b MPU_RGN_SIZE_512K
//! - \b MPU_RGN_SIZE_1M
//! - \b MPU_RGN_SIZE_2M
//! - \b MPU_RGN_SIZE_4M
//! - \b MPU_RGN_SIZE_8M
//! - \b MPU_RGN_SIZE_16M
//! - \b MPU_RGN_SIZE_32M
//! - \b MPU_RGN_SIZE_64M
//! - \b MPU_RGN_SIZE_128M
//! - \b MPU_RGN_SIZE_256M
//! - \b MPU_RGN_SIZE_512M
//! - \b MPU_RGN_SIZE_1G
//! - \b MPU_RGN_SIZE_2G
//! - \b MPU_RGN_SIZE_4G
//!
//! The execute permission flag must be one of the following:
//!
//! - \b MPU_RGN_PERM_EXEC enables the region for execution of code
//! - \b MPU_RGN_PERM_NOEXEC disables the region for execution of code
//!
//! The read/write access permissions are applied separately for the
//! privileged and user modes. The read/write access flags must be one
//! of the following:
//!
//! - \b MPU_RGN_PERM_PRV_NO_USR_NO - no access in privileged or user mode
//! - \b MPU_RGN_PERM_PRV_RW_USR_NO - privileged read/write, user no access
//! - \b MPU_RGN_PERM_PRV_RW_USR_RO - privileged read/write, user read-only
//! - \b MPU_RGN_PERM_PRV_RW_USR_RW - privileged read/write, user read/write
//! - \b MPU_RGN_PERM_PRV_RO_USR_NO - privileged read-only, user no access
//! - \b MPU_RGN_PERM_PRV_RO_USR_RO - privileged read-only, user read-only
//!
//! The region is automatically divided into 8 equally-sized sub-regions by
//! the MPU. Sub-regions can only be used in regions of size 256 bytes
//! or larger. Any of these 8 sub-regions can be disabled, allowing for
//! creation of ``holes'' in a region which can be left open, or overlaid
//! by another region with different attributes. Any of the 8 sub-regions
//! can be disabled with a logical OR of any of the following flags:
//!
//! - \b MPU_SUB_RGN_DISABLE_0
//! - \b MPU_SUB_RGN_DISABLE_1
//! - \b MPU_SUB_RGN_DISABLE_2
//! - \b MPU_SUB_RGN_DISABLE_3
//! - \b MPU_SUB_RGN_DISABLE_4
//! - \b MPU_SUB_RGN_DISABLE_5
//! - \b MPU_SUB_RGN_DISABLE_6
//! - \b MPU_SUB_RGN_DISABLE_7
//!
//! Finally, the region can be initially enabled or disabled with one of
//! the following flags:
//!
//! - \b MPU_RGN_ENABLE
//! - \b MPU_RGN_DISABLE
//!
//! As an example, to set a region with the following attributes: size of
//! 32 KB, execution enabled, read-only for both privileged and user, one
//! sub-region disabled, and initially enabled; the \e ui32Flags parameter
//! would have the following value:
//!
//! <code>
//! (MPU_RGN_SIZE_32K | MPU_RGN_PERM_EXEC | MPU_RGN_PERM_PRV_RO_USR_RO |
//! MPU_SUB_RGN_DISABLE_2 | MPU_RGN_ENABLE)
//! </code>
//!
//! \note This function writes to multiple registers and is not protected
//! from interrupts. It is possible that an interrupt which accesses a
//! region may occur while that region is in the process of being changed.
//! The safest way to handle this is to disable a region before changing it.
//! Refer to the discussion of this in the API Detailed Description section.
//!
//! \return None.
//
//*****************************************************************************
void
MPURegionSet(uint32_t ui32Region, uint32_t ui32Addr, uint32_t ui32Flags)
{
//
// Check the arguments.
//
ASSERT(ui32Region < 8);
ASSERT(ui32Addr ==
(ui32Addr & ~0 << (((ui32Flags & NVIC_MPU_ATTR_SIZE_M) >> 1) + 1)));
//
// Program the base address, use the region field to select the
// region at the same time.
//
HWREG(NVIC_MPU_BASE) = ui32Addr | ui32Region | NVIC_MPU_BASE_VALID;
//
// Program the region attributes. Set the TEX field and the S, C,
// and B bits to fixed values that are suitable for all Tiva C and
// E Series memory.
//
HWREG(NVIC_MPU_ATTR) = ((ui32Flags & ~(NVIC_MPU_ATTR_TEX_M |
NVIC_MPU_ATTR_CACHEABLE)) |
NVIC_MPU_ATTR_SHAREABLE | NVIC_MPU_ATTR_BUFFRABLE);
}
//*****************************************************************************
//
//! Gets the current settings for a specific region.
//!
//! \param ui32Region is the region number to get.
//! \param pui32Addr points to storage for the base address of the region.
//! \param pui32Flags points to the attribute flags for the region.
//!
//! This function retrieves the configuration of a specific region. The
//! meanings and format of the parameters is the same as that of the
//! MPURegionSet() function.
//!
//! This function can be used to save the configuration of a region for later
//! use with the MPURegionSet() function. The region's enable state is
//! preserved in the attributes that are saved.
//!
//! \return None.
//
//*****************************************************************************
void
MPURegionGet(uint32_t ui32Region, uint32_t *pui32Addr, uint32_t *pui32Flags)
{
//
// Check the arguments.
//
ASSERT(ui32Region < 8);
ASSERT(pui32Addr);
ASSERT(pui32Flags);
//
// Select the region to get.
//
HWREG(NVIC_MPU_NUMBER) = ui32Region;
//
// Read and store the base address for the region.
//
*pui32Addr = HWREG(NVIC_MPU_BASE) & NVIC_MPU_BASE_ADDR_M;
//
// Read and store the region attributes.
//
*pui32Flags = HWREG(NVIC_MPU_ATTR);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the memory management fault.
//!
//! \param pfnHandler is a pointer to the function to be called when the
//! memory management fault occurs.
//!
//! This function sets and enables the handler to be called when the MPU
//! generates a memory management fault due to a protection region access
//! violation.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
MPUIntRegister(void (*pfnHandler)(void))
{
//
// Check the arguments.
//
ASSERT(pfnHandler);
//
// Register the interrupt handler.
//
IntRegister(FAULT_MPU, pfnHandler);
//
// Enable the memory management fault.
//
IntEnable(FAULT_MPU);
}
//*****************************************************************************
//
//! Unregisters an interrupt handler for the memory management fault.
//!
//! This function disables and clears the handler to be called when a
//! memory management fault occurs.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
MPUIntUnregister(void)
{
//
// Disable the interrupt.
//
IntDisable(FAULT_MPU);
//
// Unregister the interrupt handler.
//
IntUnregister(FAULT_MPU);
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// mpu.h - Defines and Macros for the memory protection unit.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_MPU_H__
#define __DRIVERLIB_MPU_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Flags that can be passed to MPUEnable.
//
//*****************************************************************************
#define MPU_CONFIG_PRIV_DEFAULT 4
#define MPU_CONFIG_HARDFLT_NMI 2
#define MPU_CONFIG_NONE 0
//*****************************************************************************
//
// Flags for the region size to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_RGN_SIZE_32B (4 << 1)
#define MPU_RGN_SIZE_64B (5 << 1)
#define MPU_RGN_SIZE_128B (6 << 1)
#define MPU_RGN_SIZE_256B (7 << 1)
#define MPU_RGN_SIZE_512B (8 << 1)
#define MPU_RGN_SIZE_1K (9 << 1)
#define MPU_RGN_SIZE_2K (10 << 1)
#define MPU_RGN_SIZE_4K (11 << 1)
#define MPU_RGN_SIZE_8K (12 << 1)
#define MPU_RGN_SIZE_16K (13 << 1)
#define MPU_RGN_SIZE_32K (14 << 1)
#define MPU_RGN_SIZE_64K (15 << 1)
#define MPU_RGN_SIZE_128K (16 << 1)
#define MPU_RGN_SIZE_256K (17 << 1)
#define MPU_RGN_SIZE_512K (18 << 1)
#define MPU_RGN_SIZE_1M (19 << 1)
#define MPU_RGN_SIZE_2M (20 << 1)
#define MPU_RGN_SIZE_4M (21 << 1)
#define MPU_RGN_SIZE_8M (22 << 1)
#define MPU_RGN_SIZE_16M (23 << 1)
#define MPU_RGN_SIZE_32M (24 << 1)
#define MPU_RGN_SIZE_64M (25 << 1)
#define MPU_RGN_SIZE_128M (26 << 1)
#define MPU_RGN_SIZE_256M (27 << 1)
#define MPU_RGN_SIZE_512M (28 << 1)
#define MPU_RGN_SIZE_1G (29 << 1)
#define MPU_RGN_SIZE_2G (30 << 1)
#define MPU_RGN_SIZE_4G (31 << 1)
//*****************************************************************************
//
// Flags for the permissions to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_RGN_PERM_EXEC 0x00000000
#define MPU_RGN_PERM_NOEXEC 0x10000000
#define MPU_RGN_PERM_PRV_NO_USR_NO 0x00000000
#define MPU_RGN_PERM_PRV_RW_USR_NO 0x01000000
#define MPU_RGN_PERM_PRV_RW_USR_RO 0x02000000
#define MPU_RGN_PERM_PRV_RW_USR_RW 0x03000000
#define MPU_RGN_PERM_PRV_RO_USR_NO 0x05000000
#define MPU_RGN_PERM_PRV_RO_USR_RO 0x06000000
//*****************************************************************************
//
// Flags for the sub-region to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_SUB_RGN_DISABLE_0 0x00000100
#define MPU_SUB_RGN_DISABLE_1 0x00000200
#define MPU_SUB_RGN_DISABLE_2 0x00000400
#define MPU_SUB_RGN_DISABLE_3 0x00000800
#define MPU_SUB_RGN_DISABLE_4 0x00001000
#define MPU_SUB_RGN_DISABLE_5 0x00002000
#define MPU_SUB_RGN_DISABLE_6 0x00004000
#define MPU_SUB_RGN_DISABLE_7 0x00008000
//*****************************************************************************
//
// Flags to enable or disable a region, to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_RGN_ENABLE 1
#define MPU_RGN_DISABLE 0
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void MPUEnable(uint32_t ui32MPUConfig);
extern void MPUDisable(void);
extern uint32_t MPURegionCountGet(void);
extern void MPURegionEnable(uint32_t ui32Region);
extern void MPURegionDisable(uint32_t ui32Region);
extern void MPURegionSet(uint32_t ui32Region, uint32_t ui32Addr,
uint32_t ui32Flags);
extern void MPURegionGet(uint32_t ui32Region, uint32_t *pui32Addr,
uint32_t *pui32Flags);
extern void MPUIntRegister(void (*pfnHandler)(void));
extern void MPUIntUnregister(void);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_MPU_H__

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//*****************************************************************************
//
// pwm.h - API function protoypes for Pulse Width Modulation (PWM) ports
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_PWM_H__
#define __DRIVERLIB_PWM_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The following defines are passed to PWMGenConfigure() as the ui32Config
// parameter and specify the configuration of the PWM generator.
//
//*****************************************************************************
#define PWM_GEN_MODE_DOWN 0x00000000 // Down count mode
#define PWM_GEN_MODE_UP_DOWN 0x00000002 // Up/Down count mode
#define PWM_GEN_MODE_SYNC 0x00000038 // Synchronous updates
#define PWM_GEN_MODE_NO_SYNC 0x00000000 // Immediate updates
#define PWM_GEN_MODE_DBG_RUN 0x00000004 // Continue running in debug mode
#define PWM_GEN_MODE_DBG_STOP 0x00000000 // Stop running in debug mode
#define PWM_GEN_MODE_FAULT_LATCHED \
0x00040000 // Fault is latched
#define PWM_GEN_MODE_FAULT_UNLATCHED \
0x00000000 // Fault is not latched
#define PWM_GEN_MODE_FAULT_MINPER \
0x00020000 // Enable min fault period
#define PWM_GEN_MODE_FAULT_NO_MINPER \
0x00000000 // Disable min fault period
#define PWM_GEN_MODE_FAULT_EXT 0x00010000 // Enable extended fault support
#define PWM_GEN_MODE_FAULT_LEGACY \
0x00000000 // Disable extended fault support
#define PWM_GEN_MODE_DB_NO_SYNC 0x00000000 // Deadband updates occur
// immediately
#define PWM_GEN_MODE_DB_SYNC_LOCAL \
0x0000A800 // Deadband updates locally
// synchronized
#define PWM_GEN_MODE_DB_SYNC_GLOBAL \
0x0000FC00 // Deadband updates globally
// synchronized
#define PWM_GEN_MODE_GEN_NO_SYNC \
0x00000000 // Generator mode updates occur
// immediately
#define PWM_GEN_MODE_GEN_SYNC_LOCAL \
0x00000280 // Generator mode updates locally
// synchronized
#define PWM_GEN_MODE_GEN_SYNC_GLOBAL \
0x000003C0 // Generator mode updates globally
// synchronized
//*****************************************************************************
//
// Defines for enabling, disabling, and clearing PWM generator interrupts and
// triggers.
//
//*****************************************************************************
#define PWM_INT_CNT_ZERO 0x00000001 // Int if COUNT = 0
#define PWM_INT_CNT_LOAD 0x00000002 // Int if COUNT = LOAD
#define PWM_INT_CNT_AU 0x00000004 // Int if COUNT = CMPA U
#define PWM_INT_CNT_AD 0x00000008 // Int if COUNT = CMPA D
#define PWM_INT_CNT_BU 0x00000010 // Int if COUNT = CMPA U
#define PWM_INT_CNT_BD 0x00000020 // Int if COUNT = CMPA D
#define PWM_TR_CNT_ZERO 0x00000100 // Trig if COUNT = 0
#define PWM_TR_CNT_LOAD 0x00000200 // Trig if COUNT = LOAD
#define PWM_TR_CNT_AU 0x00000400 // Trig if COUNT = CMPA U
#define PWM_TR_CNT_AD 0x00000800 // Trig if COUNT = CMPA D
#define PWM_TR_CNT_BU 0x00001000 // Trig if COUNT = CMPA U
#define PWM_TR_CNT_BD 0x00002000 // Trig if COUNT = CMPA D
//*****************************************************************************
//
// Defines for enabling, disabling, and clearing PWM interrupts.
//
//*****************************************************************************
#define PWM_INT_GEN_0 0x00000001 // Generator 0 interrupt
#define PWM_INT_GEN_1 0x00000002 // Generator 1 interrupt
#define PWM_INT_GEN_2 0x00000004 // Generator 2 interrupt
#define PWM_INT_GEN_3 0x00000008 // Generator 3 interrupt
#define PWM_INT_FAULT0 0x00010000 // Fault0 interrupt
#define PWM_INT_FAULT1 0x00020000 // Fault1 interrupt
#define PWM_INT_FAULT2 0x00040000 // Fault2 interrupt
#define PWM_INT_FAULT3 0x00080000 // Fault3 interrupt
#define PWM_INT_FAULT_M 0x000F0000 // Fault interrupt source mask
//*****************************************************************************
//
// Defines to identify the generators within a module.
//
//*****************************************************************************
#define PWM_GEN_0 0x00000040 // Offset address of Gen0
#define PWM_GEN_1 0x00000080 // Offset address of Gen1
#define PWM_GEN_2 0x000000C0 // Offset address of Gen2
#define PWM_GEN_3 0x00000100 // Offset address of Gen3
#define PWM_GEN_0_BIT 0x00000001 // Bit-wise ID for Gen0
#define PWM_GEN_1_BIT 0x00000002 // Bit-wise ID for Gen1
#define PWM_GEN_2_BIT 0x00000004 // Bit-wise ID for Gen2
#define PWM_GEN_3_BIT 0x00000008 // Bit-wise ID for Gen3
#define PWM_GEN_EXT_0 0x00000800 // Offset of Gen0 ext address range
#define PWM_GEN_EXT_1 0x00000880 // Offset of Gen1 ext address range
#define PWM_GEN_EXT_2 0x00000900 // Offset of Gen2 ext address range
#define PWM_GEN_EXT_3 0x00000980 // Offset of Gen3 ext address range
//*****************************************************************************
//
// Defines to identify the outputs within a module.
//
//*****************************************************************************
#define PWM_OUT_0 0x00000040 // Encoded offset address of PWM0
#define PWM_OUT_1 0x00000041 // Encoded offset address of PWM1
#define PWM_OUT_2 0x00000082 // Encoded offset address of PWM2
#define PWM_OUT_3 0x00000083 // Encoded offset address of PWM3
#define PWM_OUT_4 0x000000C4 // Encoded offset address of PWM4
#define PWM_OUT_5 0x000000C5 // Encoded offset address of PWM5
#define PWM_OUT_6 0x00000106 // Encoded offset address of PWM6
#define PWM_OUT_7 0x00000107 // Encoded offset address of PWM7
#define PWM_OUT_0_BIT 0x00000001 // Bit-wise ID for PWM0
#define PWM_OUT_1_BIT 0x00000002 // Bit-wise ID for PWM1
#define PWM_OUT_2_BIT 0x00000004 // Bit-wise ID for PWM2
#define PWM_OUT_3_BIT 0x00000008 // Bit-wise ID for PWM3
#define PWM_OUT_4_BIT 0x00000010 // Bit-wise ID for PWM4
#define PWM_OUT_5_BIT 0x00000020 // Bit-wise ID for PWM5
#define PWM_OUT_6_BIT 0x00000040 // Bit-wise ID for PWM6
#define PWM_OUT_7_BIT 0x00000080 // Bit-wise ID for PWM7
//*****************************************************************************
//
// Defines to identify each of the possible fault trigger conditions in
// PWM_FAULT_GROUP_0.
//
//*****************************************************************************
#define PWM_FAULT_GROUP_0 0
#define PWM_FAULT_FAULT0 0x00000001
#define PWM_FAULT_FAULT1 0x00000002
#define PWM_FAULT_FAULT2 0x00000004
#define PWM_FAULT_FAULT3 0x00000008
#define PWM_FAULT_ACMP0 0x00010000
#define PWM_FAULT_ACMP1 0x00020000
#define PWM_FAULT_ACMP2 0x00040000
//*****************************************************************************
//
// Defines to identify each of the possible fault trigger conditions in
// PWM_FAULT_GROUP_1.
//
//*****************************************************************************
#define PWM_FAULT_GROUP_1 1
#define PWM_FAULT_DCMP0 0x00000001
#define PWM_FAULT_DCMP1 0x00000002
#define PWM_FAULT_DCMP2 0x00000004
#define PWM_FAULT_DCMP3 0x00000008
#define PWM_FAULT_DCMP4 0x00000010
#define PWM_FAULT_DCMP5 0x00000020
#define PWM_FAULT_DCMP6 0x00000040
#define PWM_FAULT_DCMP7 0x00000080
//*****************************************************************************
//
// Defines to identify the sense of each of the external FAULTn signals
//
//*****************************************************************************
#define PWM_FAULT0_SENSE_HIGH 0x00000000
#define PWM_FAULT0_SENSE_LOW 0x00000001
#define PWM_FAULT1_SENSE_HIGH 0x00000000
#define PWM_FAULT1_SENSE_LOW 0x00000002
#define PWM_FAULT2_SENSE_HIGH 0x00000000
#define PWM_FAULT2_SENSE_LOW 0x00000004
#define PWM_FAULT3_SENSE_HIGH 0x00000000
#define PWM_FAULT3_SENSE_LOW 0x00000008
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void PWMGenConfigure(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32Config);
extern void PWMGenPeriodSet(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32Period);
extern uint32_t PWMGenPeriodGet(uint32_t ui32Base,
uint32_t ui32Gen);
extern void PWMGenEnable(uint32_t ui32Base, uint32_t ui32Gen);
extern void PWMGenDisable(uint32_t ui32Base, uint32_t ui32Gen);
extern void PWMPulseWidthSet(uint32_t ui32Base, uint32_t ui32PWMOut,
uint32_t ui32Width);
extern uint32_t PWMPulseWidthGet(uint32_t ui32Base,
uint32_t ui32PWMOut);
extern void PWMDeadBandEnable(uint32_t ui32Base, uint32_t ui32Gen,
uint16_t ui16Rise, uint16_t ui16Fall);
extern void PWMDeadBandDisable(uint32_t ui32Base, uint32_t ui32Gen);
extern void PWMSyncUpdate(uint32_t ui32Base, uint32_t ui32GenBits);
extern void PWMSyncTimeBase(uint32_t ui32Base, uint32_t ui32GenBits);
extern void PWMOutputState(uint32_t ui32Base, uint32_t ui32PWMOutBits,
bool bEnable);
extern void PWMOutputInvert(uint32_t ui32Base, uint32_t ui32PWMOutBits,
bool bInvert);
extern void PWMOutputFaultLevel(uint32_t ui32Base,
uint32_t ui32PWMOutBits,
bool bDriveHigh);
extern void PWMOutputFault(uint32_t ui32Base, uint32_t ui32PWMOutBits,
bool bFaultSuppress);
extern void PWMGenIntRegister(uint32_t ui32Base, uint32_t ui32Gen,
void (*pfnIntHandler)(void));
extern void PWMGenIntUnregister(uint32_t ui32Base, uint32_t ui32Gen);
extern void PWMFaultIntRegister(uint32_t ui32Base,
void (*pfnIntHandler)(void));
extern void PWMFaultIntUnregister(uint32_t ui32Base);
extern void PWMGenIntTrigEnable(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32IntTrig);
extern void PWMGenIntTrigDisable(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32IntTrig);
extern uint32_t PWMGenIntStatus(uint32_t ui32Base, uint32_t ui32Gen,
bool bMasked);
extern void PWMGenIntClear(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32Ints);
extern void PWMIntEnable(uint32_t ui32Base, uint32_t ui32GenFault);
extern void PWMIntDisable(uint32_t ui32Base, uint32_t ui32GenFault);
extern void PWMFaultIntClear(uint32_t ui32Base);
extern uint32_t PWMIntStatus(uint32_t ui32Base, bool bMasked);
extern void PWMFaultIntClearExt(uint32_t ui32Base,
uint32_t ui32FaultInts);
extern void PWMGenFaultConfigure(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32MinFaultPeriod,
uint32_t ui32FaultSenses);
extern void PWMGenFaultTriggerSet(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32Group,
uint32_t ui32FaultTriggers);
extern uint32_t PWMGenFaultTriggerGet(uint32_t ui32Base,
uint32_t ui32Gen,
uint32_t ui32Group);
extern uint32_t PWMGenFaultStatus(uint32_t ui32Base,
uint32_t ui32Gen,
uint32_t ui32Group);
extern void PWMGenFaultClear(uint32_t ui32Base, uint32_t ui32Gen,
uint32_t ui32Group,
uint32_t ui32FaultTriggers);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_PWM_H__

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//*****************************************************************************
//
// qei.c - Driver for the Quadrature Encoder with Index.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup qei_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_qei.h"
#include "inc/hw_types.h"
#include "inc/hw_sysctl.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
#include "driverlib/qei.h"
//*****************************************************************************
//
//! Enables the quadrature encoder.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function enables operation of the quadrature encoder module. The
//! module must be configured before it is enabled.
//!
//! \sa QEIConfigure()
//!
//! \return None.
//
//*****************************************************************************
void
QEIEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Enable the QEI module.
//
HWREG(ui32Base + QEI_O_CTL) |= QEI_CTL_ENABLE;
}
//*****************************************************************************
//
//! Disables the quadrature encoder.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function disables operation of the quadrature encoder module.
//!
//! \return None.
//
//*****************************************************************************
void
QEIDisable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Disable the QEI module.
//
HWREG(ui32Base + QEI_O_CTL) &= ~(QEI_CTL_ENABLE);
}
//*****************************************************************************
//
//! Configures the quadrature encoder.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param ui32Config is the configuration for the quadrature encoder. See
//! below for a description of this parameter.
//! \param ui32MaxPosition specifies the maximum position value.
//!
//! This function configures the operation of the quadrature encoder. The
//! \e ui32Config parameter provides the configuration of the encoder and is
//! the logical OR of several values:
//!
//! - \b QEI_CONFIG_CAPTURE_A or \b QEI_CONFIG_CAPTURE_A_B specify if edges
//! on channel A or on both channels A and B should be counted by the
//! position integrator and velocity accumulator.
//! - \b QEI_CONFIG_NO_RESET or \b QEI_CONFIG_RESET_IDX specify if the
//! position integrator should be reset when the index pulse is detected.
//! - \b QEI_CONFIG_QUADRATURE or \b QEI_CONFIG_CLOCK_DIR specify if
//! quadrature signals are being provided on ChA and ChB, or if a direction
//! signal and a clock are being provided instead.
//! - \b QEI_CONFIG_NO_SWAP or \b QEI_CONFIG_SWAP to specify if the signals
//! provided on ChA and ChB should be swapped before being processed.
//!
//! \e ui32MaxPosition is the maximum value of the position integrator and is
//! the value used to reset the position capture when in index reset mode and
//! moving in the reverse (negative) direction.
//!
//! \return None.
//
//*****************************************************************************
void
QEIConfigure(uint32_t ui32Base, uint32_t ui32Config,
uint32_t ui32MaxPosition)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Write the new configuration to the hardware.
//
HWREG(ui32Base + QEI_O_CTL) = ((HWREG(ui32Base + QEI_O_CTL) &
~(QEI_CTL_CAPMODE | QEI_CTL_RESMODE |
QEI_CTL_SIGMODE | QEI_CTL_SWAP)) |
ui32Config);
//
// Set the maximum position.
//
HWREG(ui32Base + QEI_O_MAXPOS) = ui32MaxPosition;
}
//*****************************************************************************
//
//! Gets the current encoder position.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function returns the current position of the encoder. Depending upon
//! the configuration of the encoder, and the incident of an index pulse, this
//! value may or may not contain the expected data (that is, if in reset on
//! index mode, if an index pulse has not been encountered, the position
//! counter is not yet aligned with the index pulse).
//!
//! \return The current position of the encoder.
//
//*****************************************************************************
uint32_t
QEIPositionGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Return the current position counter.
//
return(HWREG(ui32Base + QEI_O_POS));
}
//*****************************************************************************
//
//! Sets the current encoder position.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param ui32Position is the new position for the encoder.
//!
//! This function sets the current position of the encoder; the encoder
//! position is then measured relative to this value.
//!
//! \return None.
//
//*****************************************************************************
void
QEIPositionSet(uint32_t ui32Base, uint32_t ui32Position)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Set the position counter.
//
HWREG(ui32Base + QEI_O_POS) = ui32Position;
}
//*****************************************************************************
//
//! Gets the current direction of rotation.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function returns the current direction of rotation. In this case,
//! current means the most recently detected direction of the encoder; it may
//! not be presently moving but this is the direction it last moved before it
//! stopped.
//!
//! \return Returns 1 if moving in the forward direction or -1 if moving in the
//! reverse direction.
//
//*****************************************************************************
int32_t
QEIDirectionGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Return the direction of rotation.
//
return((HWREG(ui32Base + QEI_O_STAT) & QEI_STAT_DIRECTION) ? -1 : 1);
}
//*****************************************************************************
//
//! Gets the encoder error indicator.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function returns the error indicator for the quadrature encoder. It
//! is an error for both of the signals of the quadrature input to change at
//! the same time.
//!
//! \return Returns \b true if an error has occurred and \b false otherwise.
//
//*****************************************************************************
bool
QEIErrorGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Return the error indicator.
//
return((HWREG(ui32Base + QEI_O_STAT) & QEI_STAT_ERROR) ? true : false);
}
//*****************************************************************************
//
//! Enables the velocity capture.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function enables operation of the velocity capture in the quadrature
//! encoder module. The module must be configured before velocity capture is
//! enabled.
//!
//! \sa QEIVelocityConfigure() and QEIEnable()
//!
//! \return None.
//
//*****************************************************************************
void
QEIVelocityEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Enable the velocity capture.
//
HWREG(ui32Base + QEI_O_CTL) |= QEI_CTL_VELEN;
}
//*****************************************************************************
//
//! Disables the velocity capture.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function disables operation of the velocity capture in the quadrature
//! encoder module.
//!
//! \return None.
//
//*****************************************************************************
void
QEIVelocityDisable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Disable the velocity capture.
//
HWREG(ui32Base + QEI_O_CTL) &= ~(QEI_CTL_VELEN);
}
//*****************************************************************************
//
//! Configures the velocity capture.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param ui32PreDiv specifies the predivider applied to the input quadrature
//! signal before it is counted; can be one of \b QEI_VELDIV_1,
//! \b QEI_VELDIV_2, \b QEI_VELDIV_4, \b QEI_VELDIV_8, \b QEI_VELDIV_16,
//! \b QEI_VELDIV_32, \b QEI_VELDIV_64, or \b QEI_VELDIV_128.
//! \param ui32Period specifies the number of clock ticks over which to measure
//! the velocity; must be non-zero.
//!
//! This function configures the operation of the velocity capture portion of
//! the quadrature encoder. The position increment signal is predivided as
//! specified by \e ui32PreDiv before being accumulated by the velocity
//! capture. The divided signal is accumulated over \e ui32Period system clock
//! before being saved and resetting the accumulator.
//!
//! \return None.
//
//*****************************************************************************
void
QEIVelocityConfigure(uint32_t ui32Base, uint32_t ui32PreDiv,
uint32_t ui32Period)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
ASSERT(!(ui32PreDiv & ~(QEI_CTL_VELDIV_M)));
ASSERT(ui32Period != 0);
//
// Set the velocity predivider.
//
HWREG(ui32Base + QEI_O_CTL) = ((HWREG(ui32Base + QEI_O_CTL) &
~(QEI_CTL_VELDIV_M)) | ui32PreDiv);
//
// Set the timer period.
//
HWREG(ui32Base + QEI_O_LOAD) = ui32Period - 1;
}
//*****************************************************************************
//
//! Gets the current encoder speed.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function returns the current speed of the encoder. The value returned
//! is the number of pulses detected in the specified time period; this number
//! can be multiplied by the number of time periods per second and divided by
//! the number of pulses per revolution to obtain the number of revolutions per
//! second.
//!
//! \return Returns the number of pulses captured in the given time period.
//
//*****************************************************************************
uint32_t
QEIVelocityGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Return the speed capture value.
//
return(HWREG(ui32Base + QEI_O_SPEED));
}
//*****************************************************************************
//
//! Returns the quadrature encoder interrupt number.
//!
//! \param ui32Base is the base address of the selected quadrature encoder
//!
//! This function returns the interrupt number for the quadrature encoder with
//! the base address passed in the \e ui32Base parameter.
//!
//! \return Returns a quadrature encoder interrupt number or 0 if the interrupt
//! does not exist.
//
//*****************************************************************************
static uint32_t
_QEIIntNumberGet(uint32_t ui32Base)
{
uint32_t ui32Int;
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Find the valid interrupt number for this quadrature encoder.
//
if(CLASS_IS_BLIZZARD)
{
if(ui32Base == QEI0_BASE)
{
ui32Int = INT_QEI0_BLIZZARD;
}
else
{
ui32Int = INT_QEI1_BLIZZARD;
}
}
else
{
ui32Int = 0;
}
return(ui32Int);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the quadrature encoder interrupt.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param pfnHandler is a pointer to the function to be called when the
//! quadrature encoder interrupt occurs.
//!
//! This function registers the handler to be called when a quadrature encoder
//! interrupt occurs. This function enables the global interrupt in the
//! interrupt controller; specific quadrature encoder interrupts must be
//! enabled via QEIIntEnable(). It is the interrupt handler's responsibility
//! to clear the interrupt source via QEIIntClear().
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
QEIIntRegister(uint32_t ui32Base, void (*pfnHandler)(void))
{
uint32_t ui32Int;
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Determine the interrupt number based on the QEI module.
//
ui32Int = _QEIIntNumberGet(ui32Base);
ASSERT(ui32Int != 0);
//
// Register the interrupt handler, returning an error if an error occurs.
//
IntRegister(ui32Int, pfnHandler);
//
// Enable the quadrature encoder interrupt.
//
IntEnable(ui32Int);
}
//*****************************************************************************
//
//! Unregisters an interrupt handler for the quadrature encoder interrupt.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//!
//! This function unregisters the handler to be called when a quadrature
//! encoder interrupt occurs. This function also masks off the interrupt in
//! the interrupt controller so that the interrupt handler no longer is called.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
QEIIntUnregister(uint32_t ui32Base)
{
uint32_t ui32Int;
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Determine the interrupt number based on the QEI module.
//
ui32Int = _QEIIntNumberGet(ui32Base);
ASSERT(ui32Int != 0);
//
// Disable the interrupt.
//
IntDisable(ui32Int);
//
// Unregister the interrupt handler.
//
IntUnregister(ui32Int);
}
//*****************************************************************************
//
//! Enables individual quadrature encoder interrupt sources.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param ui32IntFlags is a bit mask of the interrupt sources to be enabled.
//! Can be any of the \b QEI_INTERROR, \b QEI_INTDIR, \b QEI_INTTIMER, or
//! \b QEI_INTINDEX values.
//!
//! This function enables the indicated quadrature encoder interrupt sources.
//! Only the sources that are enabled can be reflected to the processor
//! interrupt; disabled sources have no effect on the processor.
//!
//! \return None.
//
//*****************************************************************************
void
QEIIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Enable the specified interrupts.
//
HWREG(ui32Base + QEI_O_INTEN) |= ui32IntFlags;
}
//*****************************************************************************
//
//! Disables individual quadrature encoder interrupt sources.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param ui32IntFlags is a bit mask of the interrupt sources to be disabled.
//! This parameter can be any of the \b QEI_INTERROR, \b QEI_INTDIR,
//! \b QEI_INTTIMER, or \b QEI_INTINDEX values.
//!
//! This function disables the indicated quadrature encoder interrupt sources.
//! Only the sources that are enabled can be reflected to the processor
//! interrupt; disabled sources have no effect on the processor.
//!
//! \return None.
//
//*****************************************************************************
void
QEIIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Disable the specified interrupts.
//
HWREG(ui32Base + QEI_O_INTEN) &= ~(ui32IntFlags);
}
//*****************************************************************************
//
//! Gets the current interrupt status.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param bMasked is false if the raw interrupt status is required and true if
//! the masked interrupt status is required.
//!
//! This function returns the interrupt status for the quadrature encoder
//! module. Either the raw interrupt status or the status of interrupts that
//! are allowed to reflect to the processor can be returned.
//!
//! \return Returns the current interrupt status, enumerated as a bit field of
//! \b QEI_INTERROR, \b QEI_INTDIR, \b QEI_INTTIMER, and \b QEI_INTINDEX.
//
//*****************************************************************************
uint32_t
QEIIntStatus(uint32_t ui32Base, bool bMasked)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Return either the interrupt status or the raw interrupt status as
// requested.
//
if(bMasked)
{
return(HWREG(ui32Base + QEI_O_ISC));
}
else
{
return(HWREG(ui32Base + QEI_O_RIS));
}
}
//*****************************************************************************
//
//! Clears quadrature encoder interrupt sources.
//!
//! \param ui32Base is the base address of the quadrature encoder module.
//! \param ui32IntFlags is a bit mask of the interrupt sources to be cleared.
//! This parameter can be any of the \b QEI_INTERROR, \b QEI_INTDIR,
//! \b QEI_INTTIMER, or \b QEI_INTINDEX values.
//!
//! The specified quadrature encoder interrupt sources are cleared, so that
//! they no longer assert. This function must be called in the interrupt
//! handler to keep the interrupt from being triggered again immediately upon
//! exit.
//!
//! \note Because there is a write buffer in the Cortex-M processor, it may
//! take several clock cycles before the interrupt source is actually cleared.
//! Therefore, it is recommended that the interrupt source be cleared early in
//! the interrupt handler (as opposed to the very last action) to avoid
//! returning from the interrupt handler before the interrupt source is
//! actually cleared. Failure to do so may result in the interrupt handler
//! being immediately reentered (because the interrupt controller still sees
//! the interrupt source asserted).
//!
//! \return None.
//
//*****************************************************************************
void
QEIIntClear(uint32_t ui32Base, uint32_t ui32IntFlags)
{
//
// Check the arguments.
//
ASSERT((ui32Base == QEI0_BASE) || (ui32Base == QEI1_BASE));
//
// Clear the requested interrupt sources.
//
HWREG(ui32Base + QEI_O_ISC) = ui32IntFlags;
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// qei.h - Prototypes for the Quadrature Encoder Driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_QEI_H__
#define __DRIVERLIB_QEI_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to QEIConfigure as the ui32Config paramater.
//
//*****************************************************************************
#define QEI_CONFIG_CAPTURE_A 0x00000000 // Count on ChA edges only
#define QEI_CONFIG_CAPTURE_A_B 0x00000008 // Count on ChA and ChB edges
#define QEI_CONFIG_NO_RESET 0x00000000 // Do not reset on index pulse
#define QEI_CONFIG_RESET_IDX 0x00000010 // Reset position on index pulse
#define QEI_CONFIG_QUADRATURE 0x00000000 // ChA and ChB are quadrature
#define QEI_CONFIG_CLOCK_DIR 0x00000004 // ChA and ChB are clock and dir
#define QEI_CONFIG_NO_SWAP 0x00000000 // Do not swap ChA and ChB
#define QEI_CONFIG_SWAP 0x00000002 // Swap ChA and ChB
//*****************************************************************************
//
// Values that can be passed to QEIVelocityConfigure as the ui32PreDiv
// parameter.
//
//*****************************************************************************
#define QEI_VELDIV_1 0x00000000 // Predivide by 1
#define QEI_VELDIV_2 0x00000040 // Predivide by 2
#define QEI_VELDIV_4 0x00000080 // Predivide by 4
#define QEI_VELDIV_8 0x000000C0 // Predivide by 8
#define QEI_VELDIV_16 0x00000100 // Predivide by 16
#define QEI_VELDIV_32 0x00000140 // Predivide by 32
#define QEI_VELDIV_64 0x00000180 // Predivide by 64
#define QEI_VELDIV_128 0x000001C0 // Predivide by 128
//*****************************************************************************
//
// Values that can be passed to QEIEnableInts, QEIDisableInts, and QEIClearInts
// as the ui32IntFlags parameter, and returned by QEIGetIntStatus.
//
//*****************************************************************************
#define QEI_INTERROR 0x00000008 // Phase error detected
#define QEI_INTDIR 0x00000004 // Direction change
#define QEI_INTTIMER 0x00000002 // Velocity timer expired
#define QEI_INTINDEX 0x00000001 // Index pulse detected
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void QEIEnable(uint32_t ui32Base);
extern void QEIDisable(uint32_t ui32Base);
extern void QEIConfigure(uint32_t ui32Base, uint32_t ui32Config,
uint32_t ui32MaxPosition);
extern uint32_t QEIPositionGet(uint32_t ui32Base);
extern void QEIPositionSet(uint32_t ui32Base, uint32_t ui32Position);
extern int32_t QEIDirectionGet(uint32_t ui32Base);
extern bool QEIErrorGet(uint32_t ui32Base);
extern void QEIVelocityEnable(uint32_t ui32Base);
extern void QEIVelocityDisable(uint32_t ui32Base);
extern void QEIVelocityConfigure(uint32_t ui32Base, uint32_t ui32PreDiv,
uint32_t ui32Period);
extern uint32_t QEIVelocityGet(uint32_t ui32Base);
extern void QEIIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern void QEIIntUnregister(uint32_t ui32Base);
extern void QEIIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void QEIIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t QEIIntStatus(uint32_t ui32Base, bool bMasked);
extern void QEIIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_QEI_H__

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This project will build the TivaWare Peripheral Driver Library.
-------------------------------------------------------------------------------
Copyright (c) 2006-2013 Texas Instruments Incorporated. All rights reserved.
Software License Agreement
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the
distribution.
Neither the name of Texas Instruments Incorporated nor the names of
its contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This is part of revision 1.1 of the Tiva Peripheral Driver Library.

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//*****************************************************************************
//
// rtos_bindings.h - Macros intended to aid porting of TivaWare modules
// for use with an RTOS.
//
// Copyright (c) 2012-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_RTOS_BINDINGS_H__
#define __DRIVERLIB_RTOS_BINDINGS_H__
#ifdef USE_RTOS
//*****************************************************************************
//
// If an RTOS is in use, implement a header file called "tiva_rtos.h"
// which contains RTOS-specific versions of each of the macros defined below
// and make sure it appears on the include path set when you build your
// project.
//
// Note that there is no default implementation of this header file included
// in TivaWare - it is your responsibility to create it specifically for
// your RTOS.
//
//*****************************************************************************
#include "tiva_rtos.h"
#else
//*****************************************************************************
//
// When no RTOS is in use, the follow macros compile to either nothing or a
// minimal implementation that works in a bare-metal environment.
//
// Each of these macros must be redefined in tiva_rtos.h if you are using
// TivaWare under an RTOS.
//
//*****************************************************************************
//*****************************************************************************
//
// A simple macro used to yield within polling loops. In the default, non-RTOS
// implementation, this compiles to nothing.
//
//*****************************************************************************
#define OS_YIELD()
//*****************************************************************************
//
// A simple macro around the SysCtlDelay function. The parameter is the number
// of 3 cycle loops to wait before returning (as for SysCtlDelay). In an RTOS
// implementation, this could be replaced with an OS delay call with
// appropriate parameter scaling.
//
//*****************************************************************************
#define OS_DELAY(ul3Cycles) MAP_SysCtlDelay(ul3Cycles)
//*****************************************************************************
//
// Wrappers around low level interrupt control functions. For information
// on each of these functions, please see the appropriate API documentation
// for the DriverLib Interrupt driver.
//
// The macros defined here represent interrupt-control functions that may be
// called from within TivaWare code. It is expected that application
// code will use RTOS-specific functions to control interrupt priority, to
// pend interrupts and to perform runtime vector manipulation. As a result,
// no macros are defined to wrap any of these functions from interrupt.c.
//
//*****************************************************************************
#define OS_INT_MASTER_ENABLE() MAP_IntMasterEnable()
#define OS_INT_MASTER_DISABLE() MAP_IntMasterDisable()
#define OS_INT_DISABLE(ui32IntID) MAP_IntDisable(ui32IntID)
#define OS_INT_ENABLE(ui32IntID) MAP_IntEnable(ui32IntID)
#endif // USE_RTOS
#endif // __DRIVERLIB_RTOS_BINDINGS_H__

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//*****************************************************************************
//
// ssi.c - Driver for Synchronous Serial Interface.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup ssi_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_ssi.h"
#include "inc/hw_sysctl.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
#include "driverlib/ssi.h"
//*****************************************************************************
//
// A mapping of timer base address to interrupt number.
//
//*****************************************************************************
static const uint32_t g_ppui32SSIIntMap[][2] =
{
{ SSI0_BASE, INT_SSI0_BLIZZARD },
{ SSI1_BASE, INT_SSI1_BLIZZARD },
{ SSI2_BASE, INT_SSI2_BLIZZARD },
{ SSI3_BASE, INT_SSI3_BLIZZARD },
};
static const uint_fast8_t g_ui8SSIIntMapRows =
sizeof(g_ppui32SSIIntMap) / sizeof(g_ppui32SSIIntMap[0]);
//*****************************************************************************
//
//! \internal
//! Checks an SSI base address.
//!
//! \param ui32Base specifies the SSI module base address.
//!
//! This function determines if a SSI module base address is valid.
//!
//! \return Returns \b true if the base address is valid and \b false
//! otherwise.
//
//*****************************************************************************
#ifdef DEBUG
static bool
_SSIBaseValid(uint32_t ui32Base)
{
return((ui32Base == SSI0_BASE) || (ui32Base == SSI1_BASE) ||
(ui32Base == SSI2_BASE) || (ui32Base == SSI3_BASE));
}
#endif
//*****************************************************************************
//
//! Returns the interrupt number of SSI module .
//!
//! \param ui32Base is the base address of the SSI module.
//!
//! This function returns the interrupt number for the SSI module with the base
//! address passed in the \e ui32Base parameter.
//!
//! \return Returns an SSI interrupt number, or 0 if the interrupt does not
//! exist.
//
//*****************************************************************************
static uint32_t
_SSIIntNumberGet(uint32_t ui32Base)
{
uint_fast8_t ui8Idx, ui8Rows;
const uint32_t (*ppui32SSIIntMap)[2];
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
ppui32SSIIntMap = g_ppui32SSIIntMap;
ui8Rows = g_ui8SSIIntMapRows;
//
// Loop through the table that maps SSI base addresses to interrupt
// numbers.
//
for(ui8Idx = 0; ui8Idx < ui8Rows; ui8Idx++)
{
//
// See if this base address matches.
//
if(ppui32SSIIntMap[ui8Idx][0] == ui32Base)
{
//
// Return the corresponding interrupt number.
//
return(ppui32SSIIntMap[ui8Idx][1]);
}
}
//
// The base address could not be found, so return an error.
//
return(0);
}
//*****************************************************************************
//
//! Configures the synchronous serial interface.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param ui32SSIClk is the rate of the clock supplied to the SSI module.
//! \param ui32Protocol specifies the data transfer protocol.
//! \param ui32Mode specifies the mode of operation.
//! \param ui32BitRate specifies the clock rate.
//! \param ui32DataWidth specifies number of bits transferred per frame.
//!
//! This function configures the synchronous serial interface. It sets
//! the SSI protocol, mode of operation, bit rate, and data width.
//!
//! The \e ui32Protocol parameter defines the data frame format. The
//! \e ui32Protocol parameter can be one of the following values:
//! \b SSI_FRF_MOTO_MODE_0, \b SSI_FRF_MOTO_MODE_1, \b SSI_FRF_MOTO_MODE_2,
//! \b SSI_FRF_MOTO_MODE_3, \b SSI_FRF_TI, or \b SSI_FRF_NMW. The Motorola
//! frame formats encode the following polarity and phase configurations:
//!
//! <pre>
//! Polarity Phase Mode
//! 0 0 SSI_FRF_MOTO_MODE_0
//! 0 1 SSI_FRF_MOTO_MODE_1
//! 1 0 SSI_FRF_MOTO_MODE_2
//! 1 1 SSI_FRF_MOTO_MODE_3
//! </pre>
//!
//! The \e ui32Mode parameter defines the operating mode of the SSI module.
//! The SSI module can operate as a master or slave; if it is a slave, the SSI
//! can be configured to disable output on its serial output line. The
//! \e ui32Mode parameter can be one of the following values:
//! \b SSI_MODE_MASTER, \b SSI_MODE_SLAVE, or \b SSI_MODE_SLAVE_OD.
//!
//! The \e ui32BitRate parameter defines the bit rate for the SSI. This bit
//! rate must satisfy the following clock ratio criteria:
//!
//! - FSSI >= 2 * bit rate (master mode); this speed cannot exceed 25 MHz.
//! - FSSI >= 12 * bit rate or 6 * bit rate (slave modes), depending on the
//! capability of the specific microcontroller
//!
//! where FSSI is the frequency of the clock supplied to the SSI module.
//!
//! The \e ui32DataWidth parameter defines the width of the data transfers and
//! can be a value between 4 and 16, inclusive.
//!
//! The peripheral clock is the same as the processor clock. This value is
//! returned by SysCtlClockGet(), or it can be explicitly hard coded if it is
//! constant and known (to save the code/execution overhead of a call to
//! SysCtlClockGet()).
//!
//! \return None.
//
//*****************************************************************************
void
SSIConfigSetExpClk(uint32_t ui32Base, uint32_t ui32SSIClk,
uint32_t ui32Protocol, uint32_t ui32Mode,
uint32_t ui32BitRate, uint32_t ui32DataWidth)
{
uint32_t ui32MaxBitRate;
uint32_t ui32RegVal;
uint32_t ui32PreDiv;
uint32_t ui32SCR;
uint32_t ui32SPH_SPO;
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
ASSERT((ui32Protocol == SSI_FRF_MOTO_MODE_0) ||
(ui32Protocol == SSI_FRF_MOTO_MODE_1) ||
(ui32Protocol == SSI_FRF_MOTO_MODE_2) ||
(ui32Protocol == SSI_FRF_MOTO_MODE_3) ||
(ui32Protocol == SSI_FRF_TI) ||
(ui32Protocol == SSI_FRF_NMW));
ASSERT((ui32Mode == SSI_MODE_MASTER) ||
(ui32Mode == SSI_MODE_SLAVE) ||
(ui32Mode == SSI_MODE_SLAVE_OD));
ASSERT(((ui32Mode == SSI_MODE_MASTER) &&
(ui32BitRate <= (ui32SSIClk / 2))) ||
((ui32Mode != SSI_MODE_MASTER) &&
(ui32BitRate <= (ui32SSIClk / 12))));
ASSERT((ui32SSIClk / ui32BitRate) <= (254 * 256));
ASSERT((ui32DataWidth >= 4) && (ui32DataWidth <= 16));
//
// Set the mode.
//
ui32RegVal = (ui32Mode == SSI_MODE_SLAVE_OD) ? SSI_CR1_SOD : 0;
ui32RegVal |= (ui32Mode == SSI_MODE_MASTER) ? 0 : SSI_CR1_MS;
HWREG(ui32Base + SSI_O_CR1) = ui32RegVal;
//
// Set the clock predivider.
//
ui32MaxBitRate = ui32SSIClk / ui32BitRate;
ui32PreDiv = 0;
do
{
ui32PreDiv += 2;
ui32SCR = (ui32MaxBitRate / ui32PreDiv) - 1;
}
while(ui32SCR > 255);
HWREG(ui32Base + SSI_O_CPSR) = ui32PreDiv;
//
// Set protocol and clock rate.
//
ui32SPH_SPO = (ui32Protocol & 3) << 6;
ui32Protocol &= SSI_CR0_FRF_M;
ui32RegVal = (ui32SCR << 8) | ui32SPH_SPO | ui32Protocol |
(ui32DataWidth - 1);
HWREG(ui32Base + SSI_O_CR0) = ui32RegVal;
}
//*****************************************************************************
//
//! Enables the synchronous serial interface.
//!
//! \param ui32Base specifies the SSI module base address.
//!
//! This function enables operation of the synchronous serial interface. The
//! synchronous serial interface must be configured before it is enabled.
//!
//! \return None.
//
//*****************************************************************************
void
SSIEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Read-modify-write the enable bit.
//
HWREG(ui32Base + SSI_O_CR1) |= SSI_CR1_SSE;
}
//*****************************************************************************
//
//! Disables the synchronous serial interface.
//!
//! \param ui32Base specifies the SSI module base address.
//!
//! This function disables operation of the synchronous serial interface.
//!
//! \return None.
//
//*****************************************************************************
void
SSIDisable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Read-modify-write the enable bit.
//
HWREG(ui32Base + SSI_O_CR1) &= ~(SSI_CR1_SSE);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the synchronous serial interface.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param pfnHandler is a pointer to the function to be called when the
//! synchronous serial interface interrupt occurs.
//!
//! This function registers the handler to be called when an SSI interrupt
//! occurs. This function enables the global interrupt in the interrupt
//! controller; specific SSI interrupts must be enabled via SSIIntEnable(). If
//! necessary, it is the interrupt handler's responsibility to clear the
//! interrupt source via SSIIntClear().
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
SSIIntRegister(uint32_t ui32Base, void (*pfnHandler)(void))
{
uint32_t ui32Int;
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Determine the interrupt number based on the SSI port.
//
ui32Int = _SSIIntNumberGet(ui32Base);
ASSERT(ui32Int != 0);
//
// Register the interrupt handler, returning an error if an error occurs.
//
IntRegister(ui32Int, pfnHandler);
//
// Enable the synchronous serial interface interrupt.
//
IntEnable(ui32Int);
}
//*****************************************************************************
//
//! Unregisters an interrupt handler for the synchronous serial interface.
//!
//! \param ui32Base specifies the SSI module base address.
//!
//! This function clears the handler to be called when an SSI interrupt
//! occurs. This function also masks off the interrupt in the interrupt
//! controller so that the interrupt handler no longer is called.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
SSIIntUnregister(uint32_t ui32Base)
{
uint32_t ui32Int;
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Determine the interrupt number based on the SSI port.
//
ui32Int = _SSIIntNumberGet(ui32Base);
ASSERT(ui32Int != 0);
//
// Disable the interrupt.
//
IntDisable(ui32Int);
//
// Unregister the interrupt handler.
//
IntUnregister(ui32Int);
}
//*****************************************************************************
//
//! Enables individual SSI interrupt sources.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param ui32IntFlags is a bit mask of the interrupt sources to be enabled.
//!
//! This function enables the indicated SSI interrupt sources. Only the
//! sources that are enabled can be reflected to the processor interrupt;
//! disabled sources have no effect on the processor. The \e ui32IntFlags
//! parameter can be any of the \b SSI_TXFF, \b SSI_RXFF, \b SSI_RXTO, or
//! \b SSI_RXOR values.
//!
//! \return None.
//
//*****************************************************************************
void
SSIIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Enable the specified interrupts.
//
HWREG(ui32Base + SSI_O_IM) |= ui32IntFlags;
}
//*****************************************************************************
//
//! Disables individual SSI interrupt sources.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param ui32IntFlags is a bit mask of the interrupt sources to be disabled.
//!
//! This function disables the indicated SSI interrupt sources. The
//! \e ui32IntFlags parameter can be any of the \b SSI_TXFF, \b SSI_RXFF,
//! \b SSI_RXTO, or \b SSI_RXOR values.
//!
//! \return None.
//
//*****************************************************************************
void
SSIIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Disable the specified interrupts.
//
HWREG(ui32Base + SSI_O_IM) &= ~(ui32IntFlags);
}
//*****************************************************************************
//
//! Gets the current interrupt status.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param bMasked is \b false if the raw interrupt status is required or
//! \b true if the masked interrupt status is required.
//!
//! This function returns the interrupt status for the SSI module. Either the
//! raw interrupt status or the status of interrupts that are allowed to
//! reflect to the processor can be returned.
//!
//! \return The current interrupt status, enumerated as a bit field of
//! \b SSI_TXFF, \b SSI_RXFF, \b SSI_RXTO, and \b SSI_RXOR.
//
//*****************************************************************************
uint32_t
SSIIntStatus(uint32_t ui32Base, bool bMasked)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Return either the interrupt status or the raw interrupt status as
// requested.
//
if(bMasked)
{
return(HWREG(ui32Base + SSI_O_MIS));
}
else
{
return(HWREG(ui32Base + SSI_O_RIS));
}
}
//*****************************************************************************
//
//! Clears SSI interrupt sources.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param ui32IntFlags is a bit mask of the interrupt sources to be cleared.
//!
//! This function clears the specified SSI interrupt sources so that they no
//! longer assert. This function must be called in the interrupt handler to
//! keep the interrupts from being triggered again immediately upon exit. The
//! \e ui32IntFlags parameter can consist of either or both the \b SSI_RXTO and
//! \b SSI_RXOR values.
//!
//! \note Because there is a write buffer in the Cortex-M processor, it may
//! take several clock cycles before the interrupt source is actually cleared.
//! Therefore, it is recommended that the interrupt source be cleared early in
//! the interrupt handler (as opposed to the very last action) to avoid
//! returning from the interrupt handler before the interrupt source is
//! actually cleared. Failure to do so may result in the interrupt handler
//! being immediately reentered (because the interrupt controller still sees
//! the interrupt source asserted).
//!
//! \return None.
//
//*****************************************************************************
void
SSIIntClear(uint32_t ui32Base, uint32_t ui32IntFlags)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Clear the requested interrupt sources.
//
HWREG(ui32Base + SSI_O_ICR) = ui32IntFlags;
}
//*****************************************************************************
//
//! Puts a data element into the SSI transmit FIFO.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param ui32Data is the data to be transmitted over the SSI interface.
//!
//! This function places the supplied data into the transmit FIFO of the
//! specified SSI module. If there is no space available in the transmit FIFO,
//! this function waits until there is space available before returning.
//!
//! \note The upper 32 - N bits of \e ui32Data are discarded by the hardware,
//! where N is the data width as configured by SSIConfigSetExpClk(). For
//! example, if the interface is configured for 8-bit data width, the upper 24
//! bits of \e ui32Data are discarded.
//!
//! \return None.
//
//*****************************************************************************
void
SSIDataPut(uint32_t ui32Base, uint32_t ui32Data)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
ASSERT((ui32Data & (0xfffffffe << (HWREG(ui32Base + SSI_O_CR0) &
SSI_CR0_DSS_M))) == 0);
//
// Wait until there is space.
//
while(!(HWREG(ui32Base + SSI_O_SR) & SSI_SR_TNF))
{
}
//
// Write the data to the SSI.
//
HWREG(ui32Base + SSI_O_DR) = ui32Data;
}
//*****************************************************************************
//
//! Puts a data element into the SSI transmit FIFO.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param ui32Data is the data to be transmitted over the SSI interface.
//!
//! This function places the supplied data into the transmit FIFO of the
//! specified SSI module. If there is no space in the FIFO, then this function
//! returns a zero.
//!
//! \note The upper 32 - N bits of \e ui32Data are discarded by the hardware,
//! where N is the data width as configured by SSIConfigSetExpClk(). For
//! example, if the interface is configured for 8-bit data width, the upper 24
//! bits of \e ui32Data are discarded.
//!
//! \return Returns the number of elements written to the SSI transmit FIFO.
//
//*****************************************************************************
int32_t
SSIDataPutNonBlocking(uint32_t ui32Base, uint32_t ui32Data)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
ASSERT((ui32Data & (0xfffffffe << (HWREG(ui32Base + SSI_O_CR0) &
SSI_CR0_DSS_M))) == 0);
//
// Check for space to write.
//
if(HWREG(ui32Base + SSI_O_SR) & SSI_SR_TNF)
{
HWREG(ui32Base + SSI_O_DR) = ui32Data;
return(1);
}
else
{
return(0);
}
}
//*****************************************************************************
//
//! Gets a data element from the SSI receive FIFO.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param pui32Data is a pointer to a storage location for data that was
//! received over the SSI interface.
//!
//! This function gets received data from the receive FIFO of the specified
//! SSI module and places that data into the location specified by the
//! \e pui32Data parameter. If there is no data available, this function waits
//! until data is received before returning.
//!
//! \note Only the lower N bits of the value written to \e pui32Data contain
//! valid data, where N is the data width as configured by
//! SSIConfigSetExpClk(). For example, if the interface is configured for
//! 8-bit data width, only the lower 8 bits of the value written to
//! \e pui32Data contain valid data.
//!
//! \return None.
//
//*****************************************************************************
void
SSIDataGet(uint32_t ui32Base, uint32_t *pui32Data)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Wait until there is data to be read.
//
while(!(HWREG(ui32Base + SSI_O_SR) & SSI_SR_RNE))
{
}
//
// Read data from SSI.
//
*pui32Data = HWREG(ui32Base + SSI_O_DR);
}
//*****************************************************************************
//
//! Gets a data element from the SSI receive FIFO.
//!
//! \param ui32Base specifies the SSI module base address.
//! \param pui32Data is a pointer to a storage location for data that was
//! received over the SSI interface.
//!
//! This function gets received data from the receive FIFO of the specified SSI
//! module and places that data into the location specified by the \e ui32Data
//! parameter. If there is no data in the FIFO, then this function returns a
//! zero.
//!
//! \note Only the lower N bits of the value written to \e pui32Data contain
//! valid data, where N is the data width as configured by
//! SSIConfigSetExpClk(). For example, if the interface is configured for
//! 8-bit data width, only the lower 8 bits of the value written to
//! \e pui32Data contain valid data.
//!
//! \return Returns the number of elements read from the SSI receive FIFO.
//
//*****************************************************************************
int32_t
SSIDataGetNonBlocking(uint32_t ui32Base, uint32_t *pui32Data)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Check for data to read.
//
if(HWREG(ui32Base + SSI_O_SR) & SSI_SR_RNE)
{
*pui32Data = HWREG(ui32Base + SSI_O_DR);
return(1);
}
else
{
return(0);
}
}
//*****************************************************************************
//
//! Enables SSI DMA operation.
//!
//! \param ui32Base is the base address of the SSI port.
//! \param ui32DMAFlags is a bit mask of the DMA features to enable.
//!
//! This function enables the specified SSI DMA features. The SSI can be
//! configured to use DMA for transmit and/or receive data transfers.
//! The \e ui32DMAFlags parameter is the logical OR of any of the following
//! values:
//!
//! - SSI_DMA_RX - enable DMA for receive
//! - SSI_DMA_TX - enable DMA for transmit
//!
//! \note The uDMA controller must also be set up before DMA can be used
//! with the SSI.
//!
//! \return None.
//
//*****************************************************************************
void
SSIDMAEnable(uint32_t ui32Base, uint32_t ui32DMAFlags)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Set the requested bits in the SSI DMA control register.
//
HWREG(ui32Base + SSI_O_DMACTL) |= ui32DMAFlags;
}
//*****************************************************************************
//
//! Disables SSI DMA operation.
//!
//! \param ui32Base is the base address of the SSI port.
//! \param ui32DMAFlags is a bit mask of the DMA features to disable.
//!
//! This function is used to disable SSI DMA features that were enabled
//! by SSIDMAEnable(). The specified SSI DMA features are disabled. The
//! \e ui32DMAFlags parameter is the logical OR of any of the following values:
//!
//! - SSI_DMA_RX - disable DMA for receive
//! - SSI_DMA_TX - disable DMA for transmit
//!
//! \return None.
//
//*****************************************************************************
void
SSIDMADisable(uint32_t ui32Base, uint32_t ui32DMAFlags)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Clear the requested bits in the SSI DMA control register.
//
HWREG(ui32Base + SSI_O_DMACTL) &= ~ui32DMAFlags;
}
//*****************************************************************************
//
//! Determines whether the SSI transmitter is busy or not.
//!
//! \param ui32Base is the base address of the SSI port.
//!
//! This function allows the caller to determine whether all transmitted bytes
//! have cleared the transmitter hardware. If \b false is returned, then the
//! transmit FIFO is empty and all bits of the last transmitted word have left
//! the hardware shift register.
//!
//! \return Returns \b true if the SSI is transmitting or \b false if all
//! transmissions are complete.
//
//*****************************************************************************
bool
SSIBusy(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Determine if the SSI is busy.
//
return((HWREG(ui32Base + SSI_O_SR) & SSI_SR_BSY) ? true : false);
}
//*****************************************************************************
//
//! Sets the data clock source for the specified SSI peripheral.
//!
//! \param ui32Base is the base address of the SSI port.
//! \param ui32Source is the baud clock source for the SSI.
//!
//! This function allows the baud clock source for the SSI to be selected.
//! The possible clock source are the system clock (\b SSI_CLOCK_SYSTEM) or
//! the precision internal oscillator (\b SSI_CLOCK_PIOSC).
//!
//! Changing the baud clock source changes the data rate generated by the
//! SSI. Therefore, the data rate should be reconfigured after any change to
//! the SSI clock source.
//!
//! \note The ability to specify the SSI baud clock source varies with the
//! Tiva part and SSI in use. Please consult the data sheet for the part
//! in use to determine whether this support is available.
//!
//! \return None.
//
//*****************************************************************************
void
SSIClockSourceSet(uint32_t ui32Base, uint32_t ui32Source)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
ASSERT((ui32Source == SSI_CLOCK_SYSTEM) ||
(ui32Source == SSI_CLOCK_PIOSC));
//
// Set the SSI clock source.
//
HWREG(ui32Base + SSI_O_CC) = ui32Source;
}
//*****************************************************************************
//
//! Gets the data clock source for the specified SSI peripheral.
//!
//! \param ui32Base is the base address of the SSI port.
//!
//! This function returns the data clock source for the specified SSI.
//!
//! \note The ability to specify the SSI data clock source varies with the
//! Tiva part and SSI in use. Please consult the data sheet for the part
//! in use to determine whether this support is available.
//!
//! \return Returns the current clock source, which will be either
//! \b SSI_CLOCK_SYSTEM or \b SSI_CLOCK_PIOSC.
//
//*****************************************************************************
uint32_t
SSIClockSourceGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT(_SSIBaseValid(ui32Base));
//
// Return the SSI clock source.
//
return(HWREG(ui32Base + SSI_O_CC));
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// ssi.h - Prototypes for the Synchronous Serial Interface Driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_SSI_H__
#define __DRIVERLIB_SSI_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to SSIIntEnable, SSIIntDisable, and SSIIntClear
// as the ui32IntFlags parameter, and returned by SSIIntStatus.
//
//*****************************************************************************
#define SSI_TXFF 0x00000008 // TX FIFO half full or less
#define SSI_RXFF 0x00000004 // RX FIFO half full or more
#define SSI_RXTO 0x00000002 // RX timeout
#define SSI_RXOR 0x00000001 // RX overrun
//*****************************************************************************
//
// Values that can be passed to SSIConfigSetExpClk.
//
//*****************************************************************************
#define SSI_FRF_MOTO_MODE_0 0x00000000 // Moto fmt, polarity 0, phase 0
#define SSI_FRF_MOTO_MODE_1 0x00000002 // Moto fmt, polarity 0, phase 1
#define SSI_FRF_MOTO_MODE_2 0x00000001 // Moto fmt, polarity 1, phase 0
#define SSI_FRF_MOTO_MODE_3 0x00000003 // Moto fmt, polarity 1, phase 1
#define SSI_FRF_TI 0x00000010 // TI frame format
#define SSI_FRF_NMW 0x00000020 // National MicroWire frame format
#define SSI_MODE_MASTER 0x00000000 // SSI master
#define SSI_MODE_SLAVE 0x00000001 // SSI slave
#define SSI_MODE_SLAVE_OD 0x00000002 // SSI slave with output disabled
//*****************************************************************************
//
// Values that can be passed to SSIDMAEnable() and SSIDMADisable().
//
//*****************************************************************************
#define SSI_DMA_TX 0x00000002 // Enable DMA for transmit
#define SSI_DMA_RX 0x00000001 // Enable DMA for receive
//*****************************************************************************
//
// Values that can be passed to SSIClockSourceSet() or returned from
// SSIClockSourceGet().
//
//*****************************************************************************
#define SSI_CLOCK_SYSTEM 0x00000000
#define SSI_CLOCK_PIOSC 0x00000005
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void SSIConfigSetExpClk(uint32_t ui32Base, uint32_t ui32SSIClk,
uint32_t ui32Protocol, uint32_t ui32Mode,
uint32_t ui32BitRate,
uint32_t ui32DataWidth);
extern void SSIDataGet(uint32_t ui32Base, uint32_t *pui32Data);
extern int32_t SSIDataGetNonBlocking(uint32_t ui32Base,
uint32_t *pui32Data);
extern void SSIDataPut(uint32_t ui32Base, uint32_t ui32Data);
extern int32_t SSIDataPutNonBlocking(uint32_t ui32Base, uint32_t ui32Data);
extern void SSIDisable(uint32_t ui32Base);
extern void SSIEnable(uint32_t ui32Base);
extern void SSIIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void SSIIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void SSIIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void SSIIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern uint32_t SSIIntStatus(uint32_t ui32Base, bool bMasked);
extern void SSIIntUnregister(uint32_t ui32Base);
extern void SSIDMAEnable(uint32_t ui32Base, uint32_t ui32DMAFlags);
extern void SSIDMADisable(uint32_t ui32Base, uint32_t ui32DMAFlags);
extern bool SSIBusy(uint32_t ui32Base);
extern void SSIClockSourceSet(uint32_t ui32Base, uint32_t ui32Source);
extern uint32_t SSIClockSourceGet(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_SSI_H__

770
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//*****************************************************************************
//
// sw_crc.c - Software CRC functions.
//
// Copyright (c) 2010-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup sw_crc_api
//! @{
//
//*****************************************************************************
#include <stdint.h>
#include "driverlib/sw_crc.h"
//*****************************************************************************
//
// The CRC table for the polynomial C(x) = x^8 + x^2 + x + 1 (CRC-8-CCITT).
//
//*****************************************************************************
static const uint8_t g_pui8Crc8CCITT[256] =
{
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
};
//*****************************************************************************
//
// The CRC-16 table for the polynomial C(x) = x^16 + x^15 + x^2 + 1 (standard
// CRC-16, also known as CRC-16-IBM and CRC-16-ANSI).
//
//*****************************************************************************
static const uint16_t g_pui16Crc16[256] =
{
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
};
//*****************************************************************************
//
// The CRC-32 table for the polynomial C(x) = x^32 + x^26 + x^23 + x^22 +
// x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1 (standard
// CRC32 as used in Ethernet, MPEG-2, PNG, etc.).
//
//*****************************************************************************
static const uint32_t g_pui32Crc32[] =
{
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
};
//*****************************************************************************
//
// This macro executes one iteration of the CRC-8-CCITT.
//
//*****************************************************************************
#define CRC8_ITER(crc, data) g_pui8Crc8CCITT[(uint8_t)((crc) ^ (data))]
//*****************************************************************************
//
// This macro executes one iteration of the CRC-16.
//
//*****************************************************************************
#define CRC16_ITER(crc, data) (((crc) >> 8) ^ \
g_pui16Crc16[(uint8_t)((crc) ^ (data))])
//*****************************************************************************
//
// This macro executes one iteration of the CRC-32.
//
//*****************************************************************************
#define CRC32_ITER(crc, data) (((crc) >> 8) ^ \
g_pui32Crc32[(uint8_t)((crc & 0xFF) ^ \
(data))])
//*****************************************************************************
//
//! Calculates the CRC-8-CCITT of an array of bytes.
//!
//! \param ui8Crc is the starting CRC-8-CCITT value.
//! \param pui8Data is a pointer to the data buffer.
//! \param ui32Count is the number of bytes in the data buffer.
//!
//! This function is used to calculate the CRC-8-CCITT of the input buffer.
//! The CRC-8-CCITT is computed in a running fashion, meaning that the entire
//! data block that is to have its CRC-8-CCITT computed does not need to be
//! supplied all at once. If the input buffer contains the entire block of
//! data, then \b ui8Crc should be set to 0. If, however, the entire block of
//! data is not available, then \b ui8Crc should be set to 0 for the first
//! portion of the data, and then the returned value should be passed back in
//! as \b ui8Crc for the next portion of the data.
//!
//! For example, to compute the CRC-8-CCITT of a block that has been split into
//! three pieces, use the following:
//!
//! \verbatim
//! ui8Crc = Crc8CCITT(0, pui8Data1, ui32Len1);
//! ui8Crc = Crc8CCITT(ui8Crc, pui8Data2, ui32Len2);
//! ui8Crc = Crc8CCITT(ui8Crc, pui8Data3, ui32Len3);
//! \endverbatim
//!
//! Computing a CRC-8-CCITT in a running fashion is useful in cases where the
//! data is arriving via a serial link (for example) and is therefore not all
//! available at one time.
//!
//! \return The CRC-8-CCITT of the input data.
//
//*****************************************************************************
uint8_t
Crc8CCITT(uint8_t ui8Crc, const uint8_t *pui8Data, uint32_t ui32Count)
{
uint32_t ui32Temp;
//
// If the data buffer is not 16 bit-aligned, then perform a single step of
// the CRC to make it 16 bit-aligned.
//
if((uint32_t)pui8Data & 1)
{
//
// Perform the CRC on this input byte.
//
ui8Crc = CRC8_ITER(ui8Crc, *pui8Data);
//
// Skip this input byte.
//
pui8Data++;
ui32Count--;
}
//
// If the data buffer is not word-aligned and there are at least two bytes
// of data left, then perform two steps of the CRC to make it word-aligned.
//
if(((uint32_t)pui8Data & 2) && (ui32Count > 1))
{
//
// Read the next 16 bits.
//
ui32Temp = *(uint16_t *)pui8Data;
//
// Perform the CRC on these two bytes.
//
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp);
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp >> 8);
//
// Skip these input bytes.
//
pui8Data += 2;
ui32Count -= 2;
}
//
// While there is at least a word remaining in the data buffer, perform
// four steps of the CRC to consume a word.
//
while(ui32Count > 3)
{
//
// Read the next word.
//
ui32Temp = *(uint32_t *)pui8Data;
//
// Perform the CRC on these four bytes.
//
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp);
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp >> 8);
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp >> 16);
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp >> 24);
//
// Skip these input bytes.
//
pui8Data += 4;
ui32Count -= 4;
}
//
// If there are 16 bits left in the input buffer, then perform two steps of
// the CRC.
//
if(ui32Count > 1)
{
//
// Read the 16 bits.
//
ui32Temp = *(uint16_t *)pui8Data;
//
// Perform the CRC on these two bytes.
//
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp);
ui8Crc = CRC8_ITER(ui8Crc, ui32Temp >> 8);
//
// Skip these input bytes.
//
pui8Data += 2;
ui32Count -= 2;
}
//
// If there is a final byte remaining in the input buffer, then perform a
// single step of the CRC.
//
if(ui32Count != 0)
{
ui8Crc = CRC8_ITER(ui8Crc, *pui8Data);
}
//
// Return the resulting CRC-8-CCITT value.
//
return(ui8Crc);
}
//*****************************************************************************
//
//! Calculates the CRC-16 of an array of bytes.
//!
//! \param ui16Crc is the starting CRC-16 value.
//! \param pui8Data is a pointer to the data buffer.
//! \param ui32Count is the number of bytes in the data buffer.
//!
//! This function is used to calculate the CRC-16 of the input buffer. The
//! CRC-16 is computed in a running fashion, meaning that the entire data block
//! that is to have its CRC-16 computed does not need to be supplied all at
//! once. If the input buffer contains the entire block of data, then
//! \b ui16Crc should be set to 0. If, however, the entire block of data is
//! not available, then \b ui16Crc should be set to 0 for the first portion of
//! the data, and then the returned value should be passed back in as
//! \b ui16Crc for the next portion of the data.
//!
//! For example, to compute the CRC-16 of a block that has been split into
//! three pieces, use the following:
//!
//! \verbatim
//! ui16Crc = Crc16(0, pui8Data1, ui32Len1);
//! ui16Crc = Crc16(ui16Crc, pui8Data2, ui32Len2);
//! ui16Crc = Crc16(ui16Crc, pui8Data3, ui32Len3);
//! \endverbatim
//!
//! Computing a CRC-16 in a running fashion is useful in cases where the data
//! is arriving via a serial link (for example) and is therefore not all
//! available at one time.
//!
//! \return The CRC-16 of the input data.
//
//*****************************************************************************
uint16_t
Crc16(uint16_t ui16Crc, const uint8_t *pui8Data, uint32_t ui32Count)
{
uint32_t ui32Temp;
//
// If the data buffer is not 16 bit-aligned, then perform a single step of
// the CRC to make it 16 bit-aligned.
//
if((uint32_t)pui8Data & 1)
{
//
// Perform the CRC on this input byte.
//
ui16Crc = CRC16_ITER(ui16Crc, *pui8Data);
//
// Skip this input byte.
//
pui8Data++;
ui32Count--;
}
//
// If the data buffer is not word-aligned and there are at least two bytes
// of data left, then perform two steps of the CRC to make it word-aligned.
//
if(((uint32_t)pui8Data & 2) && (ui32Count > 1))
{
//
// Read the next 16 bits.
//
ui32Temp = *(uint16_t *)pui8Data;
//
// Perform the CRC on these two bytes.
//
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 8);
//
// Skip these input bytes.
//
pui8Data += 2;
ui32Count -= 2;
}
//
// While there is at least a word remaining in the data buffer, perform
// four steps of the CRC to consume a word.
//
while(ui32Count > 3)
{
//
// Read the next word.
//
ui32Temp = *(uint32_t *)pui8Data;
//
// Perform the CRC on these four bytes.
//
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 8);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 16);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 24);
//
// Skip these input bytes.
//
pui8Data += 4;
ui32Count -= 4;
}
//
// If there are two bytes left in the input buffer, then perform two steps
// of the CRC.
//
if(ui32Count > 1)
{
//
// Read the two bytes.
//
ui32Temp = *(uint16_t *)pui8Data;
//
// Perform the CRC on these two bytes.
//
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 8);
//
// Skip these input bytes.
//
pui8Data += 2;
ui32Count -= 2;
}
//
// If there is a final byte remaining in the input buffer, then perform a
// single step of the CRC.
//
if(ui32Count != 0)
{
ui16Crc = CRC16_ITER(ui16Crc, *pui8Data);
}
//
// Return the resulting CRC-16 value.
//
return(ui16Crc);
}
//*****************************************************************************
//
//! Calculates the CRC-16 of an array of words.
//!
//! \param ui32WordLen is the length of the array in words (the number of bytes
//! divided by 4).
//! \param pui32Data is a pointer to the data buffer.
//!
//! This function is a wrapper around the running CRC-16 function, providing
//! the CRC-16 for a single block of data.
//!
//! \return The CRC-16 of the input data.
//
//*****************************************************************************
uint16_t
Crc16Array(uint32_t ui32WordLen, const uint32_t *pui32Data)
{
//
// Calculate and return the CRC-16 of this array of words.
//
return(Crc16(0, (const uint8_t *)pui32Data, ui32WordLen * 4));
}
//*****************************************************************************
//
//! Calculates three CRC-16s of an array of words.
//!
//! \param ui32WordLen is the length of the array in words (the number of bytes
//! divided by 4).
//! \param pui32Data is a pointer to the data buffer.
//! \param pui16Crc3 is a pointer to an array in which to place the three
//! CRC-16 values.
//!
//! This function is used to calculate three CRC-16s of the input buffer; the
//! first uses every byte from the array, the second uses only the even-index
//! bytes from the array (in other words, bytes 0, 2, 4, etc.), and the third
//! uses only the odd-index bytes from the array (in other words, bytes 1, 3,
//! 5, etc.).
//!
//! \return None
//
//*****************************************************************************
void
Crc16Array3(uint32_t ui32WordLen, const uint32_t *pui32Data,
uint16_t *pui16Crc3)
{
uint16_t ui16Crc, ui16Cri8Odd, ui16Cri8Even;
uint32_t ui32Temp;
//
// Initialize the CRC values to zero.
//
ui16Crc = 0;
ui16Cri8Odd = 0;
ui16Cri8Even = 0;
//
// Loop while there are more words in the data buffer.
//
while(ui32WordLen--)
{
//
// Read the next word.
//
ui32Temp = *pui32Data++;
//
// Perform the first CRC on all four data bytes.
//
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 8);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 16);
ui16Crc = CRC16_ITER(ui16Crc, ui32Temp >> 24);
//
// Perform the second CRC on only the even-index data bytes.
//
ui16Cri8Even = CRC16_ITER(ui16Cri8Even, ui32Temp);
ui16Cri8Even = CRC16_ITER(ui16Cri8Even, ui32Temp >> 16);
//
// Perform the third CRC on only the odd-index data bytes.
//
ui16Cri8Odd = CRC16_ITER(ui16Cri8Odd, ui32Temp >> 8);
ui16Cri8Odd = CRC16_ITER(ui16Cri8Odd, ui32Temp >> 24);
}
//
// Return the resulting CRC-16 values.
//
pui16Crc3[0] = ui16Crc;
pui16Crc3[1] = ui16Cri8Even;
pui16Crc3[2] = ui16Cri8Odd;
}
//*****************************************************************************
//
//! Calculates the CRC-32 of an array of bytes.
//!
//! \param ui32Crc is the starting CRC-32 value.
//! \param pui8Data is a pointer to the data buffer.
//! \param ui32Count is the number of bytes in the data buffer.
//!
//! This function is used to calculate the CRC-32 of the input buffer. The
//! CRC-32 is computed in a running fashion, meaning that the entire data block
//! that is to have its CRC-32 computed does not need to be supplied all at
//! once. If the input buffer contains the entire block of data, then
//! \b ui32Crc should be set to 0xFFFFFFFF. If, however, the entire block of
//! data is not available, then \b ui32Crc should be set to 0xFFFFFFFF for the
//! first portion of the data, and then the returned value should be passed
//! back in as \b ui32Crc for the next portion of the data. Once all data has
//! been passed to the function, the final CRC-32 can be obtained by inverting
//! the last returned value.
//!
//! For example, to compute the CRC-32 of a block that has been split into
//! three pieces, use the following:
//!
//! \verbatim
//! ui32Crc = Crc32(0xFFFFFFFF, pui8Data1, ui32Len1);
//! ui32Crc = Crc32(ui32Crc, pui8Data2, ui32Len2);
//! ui32Crc = Crc32(ui32Crc, pui8Data3, ui32Len3);
//! ui32Crc ^= 0xFFFFFFFF;
//! \endverbatim
//!
//! Computing a CRC-32 in a running fashion is useful in cases where the data
//! is arriving via a serial link (for example) and is therefore not all
//! available at one time.
//!
//! \return The accumulated CRC-32 of the input data.
//
//*****************************************************************************
uint32_t
Crc32(uint32_t ui32Crc, const uint8_t *pui8Data, uint32_t ui32Count)
{
uint32_t ui32Temp;
//
// If the data buffer is not 16 bit-aligned, then perform a single step
// of the CRC to make it 16 bit-aligned.
//
if((uint32_t)pui8Data & 1)
{
//
// Perform the CRC on this input byte.
//
ui32Crc = CRC32_ITER(ui32Crc, *pui8Data);
//
// Skip this input byte.
//
pui8Data++;
ui32Count--;
}
//
// If the data buffer is not word-aligned and there are at least two bytes
// of data left, then perform two steps of the CRC to make it word-aligned.
//
if(((uint32_t)pui8Data & 2) && (ui32Count > 1))
{
//
// Read the next int16_t.
//
ui32Temp = *(uint16_t *)pui8Data;
//
// Perform the CRC on these two bytes.
//
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp);
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp >> 8);
//
// Skip these input bytes.
//
pui8Data += 2;
ui32Count -= 2;
}
//
// While there is at least a word remaining in the data buffer, perform
// four steps of the CRC to consume a word.
//
while(ui32Count > 3)
{
//
// Read the next word.
//
ui32Temp = *(uint32_t *)pui8Data;
//
// Perform the CRC on these four bytes.
//
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp);
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp >> 8);
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp >> 16);
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp >> 24);
//
// Skip these input bytes.
//
pui8Data += 4;
ui32Count -= 4;
}
//
// If there are 16 bits left in the input buffer, then perform two steps of
// the CRC.
//
if(ui32Count > 1)
{
//
// Read the two bytes.
//
ui32Temp = *(uint16_t *)pui8Data;
//
// Perform the CRC on these two bytes.
//
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp);
ui32Crc = CRC32_ITER(ui32Crc, ui32Temp >> 8);
//
// Skip these input bytes.
//
pui8Data += 2;
ui32Count -= 2;
}
//
// If there is a final byte remaining in the input buffer, then perform a
// single step of the CRC.
//
if(ui32Count != 0)
{
ui32Crc = CRC32_ITER(ui32Crc, *pui8Data);
}
//
// Return the resulting CRC-32 value.
//
return(ui32Crc);
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// sw_crc.h - Prototypes for the software CRC functions.
//
// Copyright (c) 2010-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_SW_CRC_H__
#define __DRIVERLIB_SW_CRC_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Prototypes for the functions.
//
//*****************************************************************************
extern uint8_t Crc8CCITT(uint8_t ui8Crc, const uint8_t *pui8Data,
uint32_t ui32Count);
extern uint16_t Crc16(uint16_t ui16Crc, const uint8_t *pui8Data,
uint32_t ui32Count);
extern uint16_t Crc16Array(uint32_t ui32WordLen, const uint32_t *pui32Data);
extern void Crc16Array3(uint32_t ui32WordLen, const uint32_t *pui32Data,
uint16_t *pui16Crc3);
extern uint32_t Crc32(uint32_t ui32Crc, const uint8_t *pui8Data,
uint32_t ui32Count);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_SW_CRC_H__

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//*****************************************************************************
//
// sysctl.h - Prototypes for the system control driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_SYSCTL_H__
#define __DRIVERLIB_SYSCTL_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The following are values that can be passed to the
// SysCtlPeripheralPresent(), SysCtlPeripheralEnable(),
// SysCtlPeripheralDisable(), and SysCtlPeripheralReset() APIs as the
// ui32Peripheral parameter. The peripherals in the fourth group (upper nibble
// is 3) can only be used with the SysCtlPeripheralPresent() API.
//
//*****************************************************************************
#define SYSCTL_PERIPH_ADC0 0xf0003800 // ADC 0
#define SYSCTL_PERIPH_ADC1 0xf0003801 // ADC 1
#define SYSCTL_PERIPH_CAN0 0xf0003400 // CAN 0
#define SYSCTL_PERIPH_CAN1 0xf0003401 // CAN 1
#define SYSCTL_PERIPH_CAN2 0xf0003402 // CAN 2
#define SYSCTL_PERIPH_COMP0 0xf0003c00 // Analog comparator 0
#define SYSCTL_PERIPH_COMP1 0xf0003c01 // Analog comparator 1
#define SYSCTL_PERIPH_COMP2 0xf0003c02 // Analog comparator 2
#define SYSCTL_PERIPH_GPIOA 0xf0000800 // GPIO A
#define SYSCTL_PERIPH_GPIOB 0xf0000801 // GPIO B
#define SYSCTL_PERIPH_GPIOC 0xf0000802 // GPIO C
#define SYSCTL_PERIPH_GPIOD 0xf0000803 // GPIO D
#define SYSCTL_PERIPH_GPIOE 0xf0000804 // GPIO E
#define SYSCTL_PERIPH_GPIOF 0xf0000805 // GPIO F
#define SYSCTL_PERIPH_GPIOG 0xf0000806 // GPIO G
#define SYSCTL_PERIPH_GPIOH 0xf0000807 // GPIO H
#define SYSCTL_PERIPH_GPIOJ 0xf0000808 // GPIO J
#define SYSCTL_PERIPH_HIBERNATE 0xf0001400 // Hibernation module
#define SYSCTL_PERIPH_EEPROM0 0xf0005800 // EEPROM 0
#define SYSCTL_PERIPH_FAN0 0xf0005400 // FAN 0
#define SYSCTL_PERIPH_GPIOK 0xf0000809 // GPIO K
#define SYSCTL_PERIPH_GPIOL 0xf000080a // GPIO L
#define SYSCTL_PERIPH_GPIOM 0xf000080b // GPIO M
#define SYSCTL_PERIPH_GPION 0xf000080c // GPIO N
#define SYSCTL_PERIPH_GPIOP 0xf000080d // GPIO P
#define SYSCTL_PERIPH_GPIOQ 0xf000080e // GPIO Q
#define SYSCTL_PERIPH_GPIOR 0xf000080f // GPIO R
#define SYSCTL_PERIPH_GPIOS 0xf0000810 // GPIO S
#define SYSCTL_PERIPH_I2C0 0xf0002000 // I2C 0
#define SYSCTL_PERIPH_I2C1 0xf0002001 // I2C 1
#define SYSCTL_PERIPH_I2C2 0xf0002002 // I2C 2
#define SYSCTL_PERIPH_I2C3 0xf0002003 // I2C 3
#define SYSCTL_PERIPH_I2C4 0xf0002004 // I2C 4
#define SYSCTL_PERIPH_I2C5 0xf0002005 // I2C 5
#define SYSCTL_PERIPH_LPC0 0xf0004800 // LPC 0
#define SYSCTL_PERIPH_PECI0 0xf0005000 // PECI 0
#define SYSCTL_PERIPH_PWM0 0xf0004000 // PWM 0
#define SYSCTL_PERIPH_PWM1 0xf0004001 // PWM 1
#define SYSCTL_PERIPH_QEI0 0xf0004400 // QEI 0
#define SYSCTL_PERIPH_QEI1 0xf0004401 // QEI 1
#define SYSCTL_PERIPH_SSI0 0xf0001c00 // SSI 0
#define SYSCTL_PERIPH_SSI1 0xf0001c01 // SSI 1
#define SYSCTL_PERIPH_SSI2 0xf0001c02 // SSI 2
#define SYSCTL_PERIPH_SSI3 0xf0001c03 // SSI 3
#define SYSCTL_PERIPH_TIMER0 0xf0000400 // Timer 0
#define SYSCTL_PERIPH_TIMER1 0xf0000401 // Timer 1
#define SYSCTL_PERIPH_TIMER2 0xf0000402 // Timer 2
#define SYSCTL_PERIPH_TIMER3 0xf0000403 // Timer 3
#define SYSCTL_PERIPH_TIMER4 0xf0000404 // Timer 4
#define SYSCTL_PERIPH_TIMER5 0xf0000405 // Timer 5
#define SYSCTL_PERIPH_UART0 0xf0001800 // UART 0
#define SYSCTL_PERIPH_UART1 0xf0001801 // UART 1
#define SYSCTL_PERIPH_UART2 0xf0001802 // UART 2
#define SYSCTL_PERIPH_UART3 0xf0001803 // UART 3
#define SYSCTL_PERIPH_UART4 0xf0001804 // UART 4
#define SYSCTL_PERIPH_UART5 0xf0001805 // UART 5
#define SYSCTL_PERIPH_UART6 0xf0001806 // UART 6
#define SYSCTL_PERIPH_UART7 0xf0001807 // UART 7
#define SYSCTL_PERIPH_UDMA 0xf0000c00 // uDMA
#define SYSCTL_PERIPH_USB0 0xf0002800 // USB 0
#define SYSCTL_PERIPH_WDOG0 0xf0000000 // Watchdog 0
#define SYSCTL_PERIPH_WDOG1 0xf0000001 // Watchdog 1
#define SYSCTL_PERIPH_WTIMER0 0xf0005c00 // Wide Timer 0
#define SYSCTL_PERIPH_WTIMER1 0xf0005c01 // Wide Timer 1
#define SYSCTL_PERIPH_WTIMER2 0xf0005c02 // Wide Timer 2
#define SYSCTL_PERIPH_WTIMER3 0xf0005c03 // Wide Timer 3
#define SYSCTL_PERIPH_WTIMER4 0xf0005c04 // Wide Timer 4
#define SYSCTL_PERIPH_WTIMER5 0xf0005c05 // Wide Timer 5
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlIntEnable(),
// SysCtlIntDisable(), and SysCtlIntClear() APIs, or returned in the bit mask
// by the SysCtlIntStatus() API.
//
//*****************************************************************************
#define SYSCTL_INT_MOSC_PUP 0x00000100 // MOSC power-up interrupt
#define SYSCTL_INT_USBPLL_LOCK 0x00000080 // USB PLL lock interrupt
#define SYSCTL_INT_PLL_LOCK 0x00000040 // PLL lock interrupt
#define SYSCTL_INT_CUR_LIMIT 0x00000020 // Current limit interrupt
#define SYSCTL_INT_IOSC_FAIL 0x00000010 // Internal oscillator failure int
#define SYSCTL_INT_MOSC_FAIL 0x00000008 // Main oscillator failure int
#define SYSCTL_INT_POR 0x00000004 // Power on reset interrupt
#define SYSCTL_INT_BOR 0x00000002 // Brown out interrupt
#define SYSCTL_INT_PLL_FAIL 0x00000001 // PLL failure interrupt
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlResetCauseClear()
// API or returned by the SysCtlResetCauseGet() API.
//
//*****************************************************************************
#define SYSCTL_CAUSE_LDO 0x00000020 // LDO power not OK reset
#define SYSCTL_CAUSE_WDOG1 0x00000020 // Watchdog 1 reset
#define SYSCTL_CAUSE_SW 0x00000010 // Software reset
#define SYSCTL_CAUSE_WDOG0 0x00000008 // Watchdog 0 reset
#define SYSCTL_CAUSE_WDOG 0x00000008 // Watchdog reset
#define SYSCTL_CAUSE_BOR 0x00000004 // Brown-out reset
#define SYSCTL_CAUSE_POR 0x00000002 // Power on reset
#define SYSCTL_CAUSE_EXT 0x00000001 // External reset
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlBrownOutConfigSet()
// API as the ui32Config parameter.
//
//*****************************************************************************
#define SYSCTL_BOR_RESET 0x00000002 // Reset instead of interrupting
#define SYSCTL_BOR_RESAMPLE 0x00000001 // Resample BOR before asserting
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlPWMClockSet() API
// as the ui32Config parameter, and can be returned by the SysCtlPWMClockGet()
// API.
//
//*****************************************************************************
#define SYSCTL_PWMDIV_1 0x00000000 // PWM clock is processor clock /1
#define SYSCTL_PWMDIV_2 0x00100000 // PWM clock is processor clock /2
#define SYSCTL_PWMDIV_4 0x00120000 // PWM clock is processor clock /4
#define SYSCTL_PWMDIV_8 0x00140000 // PWM clock is processor clock /8
#define SYSCTL_PWMDIV_16 0x00160000 // PWM clock is processor clock /16
#define SYSCTL_PWMDIV_32 0x00180000 // PWM clock is processor clock /32
#define SYSCTL_PWMDIV_64 0x001A0000 // PWM clock is processor clock /64
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlADCSpeedSet() API
// as the ui32Speed parameter, and can be returned by the SysCtlADCSpeedGet()
// API.
//
//*****************************************************************************
#define SYSCTL_ADCSPEED_1MSPS 0x00000F00 // 1,000,000 samples per second
#define SYSCTL_ADCSPEED_500KSPS 0x00000A00 // 500,000 samples per second
#define SYSCTL_ADCSPEED_250KSPS 0x00000500 // 250,000 samples per second
#define SYSCTL_ADCSPEED_125KSPS 0x00000000 // 125,000 samples per second
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlClockSet() API as
// the ui32Config parameter.
//
//*****************************************************************************
#define SYSCTL_SYSDIV_1 0x07800000 // Processor clock is osc/pll /1
#define SYSCTL_SYSDIV_2 0x00C00000 // Processor clock is osc/pll /2
#define SYSCTL_SYSDIV_3 0x01400000 // Processor clock is osc/pll /3
#define SYSCTL_SYSDIV_4 0x01C00000 // Processor clock is osc/pll /4
#define SYSCTL_SYSDIV_5 0x02400000 // Processor clock is osc/pll /5
#define SYSCTL_SYSDIV_6 0x02C00000 // Processor clock is osc/pll /6
#define SYSCTL_SYSDIV_7 0x03400000 // Processor clock is osc/pll /7
#define SYSCTL_SYSDIV_8 0x03C00000 // Processor clock is osc/pll /8
#define SYSCTL_SYSDIV_9 0x04400000 // Processor clock is osc/pll /9
#define SYSCTL_SYSDIV_10 0x04C00000 // Processor clock is osc/pll /10
#define SYSCTL_SYSDIV_11 0x05400000 // Processor clock is osc/pll /11
#define SYSCTL_SYSDIV_12 0x05C00000 // Processor clock is osc/pll /12
#define SYSCTL_SYSDIV_13 0x06400000 // Processor clock is osc/pll /13
#define SYSCTL_SYSDIV_14 0x06C00000 // Processor clock is osc/pll /14
#define SYSCTL_SYSDIV_15 0x07400000 // Processor clock is osc/pll /15
#define SYSCTL_SYSDIV_16 0x07C00000 // Processor clock is osc/pll /16
#define SYSCTL_SYSDIV_17 0x88400000 // Processor clock is osc/pll /17
#define SYSCTL_SYSDIV_18 0x88C00000 // Processor clock is osc/pll /18
#define SYSCTL_SYSDIV_19 0x89400000 // Processor clock is osc/pll /19
#define SYSCTL_SYSDIV_20 0x89C00000 // Processor clock is osc/pll /20
#define SYSCTL_SYSDIV_21 0x8A400000 // Processor clock is osc/pll /21
#define SYSCTL_SYSDIV_22 0x8AC00000 // Processor clock is osc/pll /22
#define SYSCTL_SYSDIV_23 0x8B400000 // Processor clock is osc/pll /23
#define SYSCTL_SYSDIV_24 0x8BC00000 // Processor clock is osc/pll /24
#define SYSCTL_SYSDIV_25 0x8C400000 // Processor clock is osc/pll /25
#define SYSCTL_SYSDIV_26 0x8CC00000 // Processor clock is osc/pll /26
#define SYSCTL_SYSDIV_27 0x8D400000 // Processor clock is osc/pll /27
#define SYSCTL_SYSDIV_28 0x8DC00000 // Processor clock is osc/pll /28
#define SYSCTL_SYSDIV_29 0x8E400000 // Processor clock is osc/pll /29
#define SYSCTL_SYSDIV_30 0x8EC00000 // Processor clock is osc/pll /30
#define SYSCTL_SYSDIV_31 0x8F400000 // Processor clock is osc/pll /31
#define SYSCTL_SYSDIV_32 0x8FC00000 // Processor clock is osc/pll /32
#define SYSCTL_SYSDIV_33 0x90400000 // Processor clock is osc/pll /33
#define SYSCTL_SYSDIV_34 0x90C00000 // Processor clock is osc/pll /34
#define SYSCTL_SYSDIV_35 0x91400000 // Processor clock is osc/pll /35
#define SYSCTL_SYSDIV_36 0x91C00000 // Processor clock is osc/pll /36
#define SYSCTL_SYSDIV_37 0x92400000 // Processor clock is osc/pll /37
#define SYSCTL_SYSDIV_38 0x92C00000 // Processor clock is osc/pll /38
#define SYSCTL_SYSDIV_39 0x93400000 // Processor clock is osc/pll /39
#define SYSCTL_SYSDIV_40 0x93C00000 // Processor clock is osc/pll /40
#define SYSCTL_SYSDIV_41 0x94400000 // Processor clock is osc/pll /41
#define SYSCTL_SYSDIV_42 0x94C00000 // Processor clock is osc/pll /42
#define SYSCTL_SYSDIV_43 0x95400000 // Processor clock is osc/pll /43
#define SYSCTL_SYSDIV_44 0x95C00000 // Processor clock is osc/pll /44
#define SYSCTL_SYSDIV_45 0x96400000 // Processor clock is osc/pll /45
#define SYSCTL_SYSDIV_46 0x96C00000 // Processor clock is osc/pll /46
#define SYSCTL_SYSDIV_47 0x97400000 // Processor clock is osc/pll /47
#define SYSCTL_SYSDIV_48 0x97C00000 // Processor clock is osc/pll /48
#define SYSCTL_SYSDIV_49 0x98400000 // Processor clock is osc/pll /49
#define SYSCTL_SYSDIV_50 0x98C00000 // Processor clock is osc/pll /50
#define SYSCTL_SYSDIV_51 0x99400000 // Processor clock is osc/pll /51
#define SYSCTL_SYSDIV_52 0x99C00000 // Processor clock is osc/pll /52
#define SYSCTL_SYSDIV_53 0x9A400000 // Processor clock is osc/pll /53
#define SYSCTL_SYSDIV_54 0x9AC00000 // Processor clock is osc/pll /54
#define SYSCTL_SYSDIV_55 0x9B400000 // Processor clock is osc/pll /55
#define SYSCTL_SYSDIV_56 0x9BC00000 // Processor clock is osc/pll /56
#define SYSCTL_SYSDIV_57 0x9C400000 // Processor clock is osc/pll /57
#define SYSCTL_SYSDIV_58 0x9CC00000 // Processor clock is osc/pll /58
#define SYSCTL_SYSDIV_59 0x9D400000 // Processor clock is osc/pll /59
#define SYSCTL_SYSDIV_60 0x9DC00000 // Processor clock is osc/pll /60
#define SYSCTL_SYSDIV_61 0x9E400000 // Processor clock is osc/pll /61
#define SYSCTL_SYSDIV_62 0x9EC00000 // Processor clock is osc/pll /62
#define SYSCTL_SYSDIV_63 0x9F400000 // Processor clock is osc/pll /63
#define SYSCTL_SYSDIV_64 0x9FC00000 // Processor clock is osc/pll /64
#define SYSCTL_SYSDIV_2_5 0xC1000000 // Processor clock is pll / 2.5
#define SYSCTL_SYSDIV_3_5 0xC1800000 // Processor clock is pll / 3.5
#define SYSCTL_SYSDIV_4_5 0xC2000000 // Processor clock is pll / 4.5
#define SYSCTL_SYSDIV_5_5 0xC2800000 // Processor clock is pll / 5.5
#define SYSCTL_SYSDIV_6_5 0xC3000000 // Processor clock is pll / 6.5
#define SYSCTL_SYSDIV_7_5 0xC3800000 // Processor clock is pll / 7.5
#define SYSCTL_SYSDIV_8_5 0xC4000000 // Processor clock is pll / 8.5
#define SYSCTL_SYSDIV_9_5 0xC4800000 // Processor clock is pll / 9.5
#define SYSCTL_SYSDIV_10_5 0xC5000000 // Processor clock is pll / 10.5
#define SYSCTL_SYSDIV_11_5 0xC5800000 // Processor clock is pll / 11.5
#define SYSCTL_SYSDIV_12_5 0xC6000000 // Processor clock is pll / 12.5
#define SYSCTL_SYSDIV_13_5 0xC6800000 // Processor clock is pll / 13.5
#define SYSCTL_SYSDIV_14_5 0xC7000000 // Processor clock is pll / 14.5
#define SYSCTL_SYSDIV_15_5 0xC7800000 // Processor clock is pll / 15.5
#define SYSCTL_SYSDIV_16_5 0xC8000000 // Processor clock is pll / 16.5
#define SYSCTL_SYSDIV_17_5 0xC8800000 // Processor clock is pll / 17.5
#define SYSCTL_SYSDIV_18_5 0xC9000000 // Processor clock is pll / 18.5
#define SYSCTL_SYSDIV_19_5 0xC9800000 // Processor clock is pll / 19.5
#define SYSCTL_SYSDIV_20_5 0xCA000000 // Processor clock is pll / 20.5
#define SYSCTL_SYSDIV_21_5 0xCA800000 // Processor clock is pll / 21.5
#define SYSCTL_SYSDIV_22_5 0xCB000000 // Processor clock is pll / 22.5
#define SYSCTL_SYSDIV_23_5 0xCB800000 // Processor clock is pll / 23.5
#define SYSCTL_SYSDIV_24_5 0xCC000000 // Processor clock is pll / 24.5
#define SYSCTL_SYSDIV_25_5 0xCC800000 // Processor clock is pll / 25.5
#define SYSCTL_SYSDIV_26_5 0xCD000000 // Processor clock is pll / 26.5
#define SYSCTL_SYSDIV_27_5 0xCD800000 // Processor clock is pll / 27.5
#define SYSCTL_SYSDIV_28_5 0xCE000000 // Processor clock is pll / 28.5
#define SYSCTL_SYSDIV_29_5 0xCE800000 // Processor clock is pll / 29.5
#define SYSCTL_SYSDIV_30_5 0xCF000000 // Processor clock is pll / 30.5
#define SYSCTL_SYSDIV_31_5 0xCF800000 // Processor clock is pll / 31.5
#define SYSCTL_SYSDIV_32_5 0xD0000000 // Processor clock is pll / 32.5
#define SYSCTL_SYSDIV_33_5 0xD0800000 // Processor clock is pll / 33.5
#define SYSCTL_SYSDIV_34_5 0xD1000000 // Processor clock is pll / 34.5
#define SYSCTL_SYSDIV_35_5 0xD1800000 // Processor clock is pll / 35.5
#define SYSCTL_SYSDIV_36_5 0xD2000000 // Processor clock is pll / 36.5
#define SYSCTL_SYSDIV_37_5 0xD2800000 // Processor clock is pll / 37.5
#define SYSCTL_SYSDIV_38_5 0xD3000000 // Processor clock is pll / 38.5
#define SYSCTL_SYSDIV_39_5 0xD3800000 // Processor clock is pll / 39.5
#define SYSCTL_SYSDIV_40_5 0xD4000000 // Processor clock is pll / 40.5
#define SYSCTL_SYSDIV_41_5 0xD4800000 // Processor clock is pll / 41.5
#define SYSCTL_SYSDIV_42_5 0xD5000000 // Processor clock is pll / 42.5
#define SYSCTL_SYSDIV_43_5 0xD5800000 // Processor clock is pll / 43.5
#define SYSCTL_SYSDIV_44_5 0xD6000000 // Processor clock is pll / 44.5
#define SYSCTL_SYSDIV_45_5 0xD6800000 // Processor clock is pll / 45.5
#define SYSCTL_SYSDIV_46_5 0xD7000000 // Processor clock is pll / 46.5
#define SYSCTL_SYSDIV_47_5 0xD7800000 // Processor clock is pll / 47.5
#define SYSCTL_SYSDIV_48_5 0xD8000000 // Processor clock is pll / 48.5
#define SYSCTL_SYSDIV_49_5 0xD8800000 // Processor clock is pll / 49.5
#define SYSCTL_SYSDIV_50_5 0xD9000000 // Processor clock is pll / 50.5
#define SYSCTL_SYSDIV_51_5 0xD9800000 // Processor clock is pll / 51.5
#define SYSCTL_SYSDIV_52_5 0xDA000000 // Processor clock is pll / 52.5
#define SYSCTL_SYSDIV_53_5 0xDA800000 // Processor clock is pll / 53.5
#define SYSCTL_SYSDIV_54_5 0xDB000000 // Processor clock is pll / 54.5
#define SYSCTL_SYSDIV_55_5 0xDB800000 // Processor clock is pll / 55.5
#define SYSCTL_SYSDIV_56_5 0xDC000000 // Processor clock is pll / 56.5
#define SYSCTL_SYSDIV_57_5 0xDC800000 // Processor clock is pll / 57.5
#define SYSCTL_SYSDIV_58_5 0xDD000000 // Processor clock is pll / 58.5
#define SYSCTL_SYSDIV_59_5 0xDD800000 // Processor clock is pll / 59.5
#define SYSCTL_SYSDIV_60_5 0xDE000000 // Processor clock is pll / 60.5
#define SYSCTL_SYSDIV_61_5 0xDE800000 // Processor clock is pll / 61.5
#define SYSCTL_SYSDIV_62_5 0xDF000000 // Processor clock is pll / 62.5
#define SYSCTL_SYSDIV_63_5 0xDF800000 // Processor clock is pll / 63.5
#define SYSCTL_USE_PLL 0x00000000 // System clock is the PLL clock
#define SYSCTL_USE_OSC 0x00003800 // System clock is the osc clock
#define SYSCTL_XTAL_1MHZ 0x00000000 // External crystal is 1MHz
#define SYSCTL_XTAL_1_84MHZ 0x00000040 // External crystal is 1.8432MHz
#define SYSCTL_XTAL_2MHZ 0x00000080 // External crystal is 2MHz
#define SYSCTL_XTAL_2_45MHZ 0x000000C0 // External crystal is 2.4576MHz
#define SYSCTL_XTAL_3_57MHZ 0x00000100 // External crystal is 3.579545MHz
#define SYSCTL_XTAL_3_68MHZ 0x00000140 // External crystal is 3.6864MHz
#define SYSCTL_XTAL_4MHZ 0x00000180 // External crystal is 4MHz
#define SYSCTL_XTAL_4_09MHZ 0x000001C0 // External crystal is 4.096MHz
#define SYSCTL_XTAL_4_91MHZ 0x00000200 // External crystal is 4.9152MHz
#define SYSCTL_XTAL_5MHZ 0x00000240 // External crystal is 5MHz
#define SYSCTL_XTAL_5_12MHZ 0x00000280 // External crystal is 5.12MHz
#define SYSCTL_XTAL_6MHZ 0x000002C0 // External crystal is 6MHz
#define SYSCTL_XTAL_6_14MHZ 0x00000300 // External crystal is 6.144MHz
#define SYSCTL_XTAL_7_37MHZ 0x00000340 // External crystal is 7.3728MHz
#define SYSCTL_XTAL_8MHZ 0x00000380 // External crystal is 8MHz
#define SYSCTL_XTAL_8_19MHZ 0x000003C0 // External crystal is 8.192MHz
#define SYSCTL_XTAL_10MHZ 0x00000400 // External crystal is 10 MHz
#define SYSCTL_XTAL_12MHZ 0x00000440 // External crystal is 12 MHz
#define SYSCTL_XTAL_12_2MHZ 0x00000480 // External crystal is 12.288 MHz
#define SYSCTL_XTAL_13_5MHZ 0x000004C0 // External crystal is 13.56 MHz
#define SYSCTL_XTAL_14_3MHZ 0x00000500 // External crystal is 14.31818 MHz
#define SYSCTL_XTAL_16MHZ 0x00000540 // External crystal is 16 MHz
#define SYSCTL_XTAL_16_3MHZ 0x00000580 // External crystal is 16.384 MHz
#define SYSCTL_XTAL_18MHZ 0x000005C0 // External crystal is 18.0 MHz
#define SYSCTL_XTAL_20MHZ 0x00000600 // External crystal is 20.0 MHz
#define SYSCTL_XTAL_24MHZ 0x00000640 // External crystal is 24.0 MHz
#define SYSCTL_XTAL_25MHZ 0x00000680 // External crystal is 25.0 MHz
#define SYSCTL_OSC_MAIN 0x00000000 // Osc source is main osc
#define SYSCTL_OSC_INT 0x00000010 // Osc source is int. osc
#define SYSCTL_OSC_INT4 0x00000020 // Osc source is int. osc /4
#define SYSCTL_OSC_INT30 0x00000030 // Osc source is int. 30 KHz
#define SYSCTL_OSC_EXT4_19 0x80000028 // Osc source is ext. 4.19 MHz
#define SYSCTL_OSC_EXT32 0x80000038 // Osc source is ext. 32 KHz
#define SYSCTL_INT_OSC_DIS 0x00000002 // Disable internal oscillator
#define SYSCTL_MAIN_OSC_DIS 0x00000001 // Disable main oscillator
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlDeepSleepClockSet()
// API as the ui32Config parameter.
//
//*****************************************************************************
#define SYSCTL_DSLP_DIV_1 0x00000000 // Deep-sleep clock is osc /1
#define SYSCTL_DSLP_DIV_2 0x00800000 // Deep-sleep clock is osc /2
#define SYSCTL_DSLP_DIV_3 0x01000000 // Deep-sleep clock is osc /3
#define SYSCTL_DSLP_DIV_4 0x01800000 // Deep-sleep clock is osc /4
#define SYSCTL_DSLP_DIV_5 0x02000000 // Deep-sleep clock is osc /5
#define SYSCTL_DSLP_DIV_6 0x02800000 // Deep-sleep clock is osc /6
#define SYSCTL_DSLP_DIV_7 0x03000000 // Deep-sleep clock is osc /7
#define SYSCTL_DSLP_DIV_8 0x03800000 // Deep-sleep clock is osc /8
#define SYSCTL_DSLP_DIV_9 0x04000000 // Deep-sleep clock is osc /9
#define SYSCTL_DSLP_DIV_10 0x04800000 // Deep-sleep clock is osc /10
#define SYSCTL_DSLP_DIV_11 0x05000000 // Deep-sleep clock is osc /11
#define SYSCTL_DSLP_DIV_12 0x05800000 // Deep-sleep clock is osc /12
#define SYSCTL_DSLP_DIV_13 0x06000000 // Deep-sleep clock is osc /13
#define SYSCTL_DSLP_DIV_14 0x06800000 // Deep-sleep clock is osc /14
#define SYSCTL_DSLP_DIV_15 0x07000000 // Deep-sleep clock is osc /15
#define SYSCTL_DSLP_DIV_16 0x07800000 // Deep-sleep clock is osc /16
#define SYSCTL_DSLP_DIV_17 0x08000000 // Deep-sleep clock is osc /17
#define SYSCTL_DSLP_DIV_18 0x08800000 // Deep-sleep clock is osc /18
#define SYSCTL_DSLP_DIV_19 0x09000000 // Deep-sleep clock is osc /19
#define SYSCTL_DSLP_DIV_20 0x09800000 // Deep-sleep clock is osc /20
#define SYSCTL_DSLP_DIV_21 0x0A000000 // Deep-sleep clock is osc /21
#define SYSCTL_DSLP_DIV_22 0x0A800000 // Deep-sleep clock is osc /22
#define SYSCTL_DSLP_DIV_23 0x0B000000 // Deep-sleep clock is osc /23
#define SYSCTL_DSLP_DIV_24 0x0B800000 // Deep-sleep clock is osc /24
#define SYSCTL_DSLP_DIV_25 0x0C000000 // Deep-sleep clock is osc /25
#define SYSCTL_DSLP_DIV_26 0x0C800000 // Deep-sleep clock is osc /26
#define SYSCTL_DSLP_DIV_27 0x0D000000 // Deep-sleep clock is osc /27
#define SYSCTL_DSLP_DIV_28 0x0D800000 // Deep-sleep clock is osc /28
#define SYSCTL_DSLP_DIV_29 0x0E000000 // Deep-sleep clock is osc /29
#define SYSCTL_DSLP_DIV_30 0x0E800000 // Deep-sleep clock is osc /30
#define SYSCTL_DSLP_DIV_31 0x0F000000 // Deep-sleep clock is osc /31
#define SYSCTL_DSLP_DIV_32 0x0F800000 // Deep-sleep clock is osc /32
#define SYSCTL_DSLP_DIV_33 0x10000000 // Deep-sleep clock is osc /33
#define SYSCTL_DSLP_DIV_34 0x10800000 // Deep-sleep clock is osc /34
#define SYSCTL_DSLP_DIV_35 0x11000000 // Deep-sleep clock is osc /35
#define SYSCTL_DSLP_DIV_36 0x11800000 // Deep-sleep clock is osc /36
#define SYSCTL_DSLP_DIV_37 0x12000000 // Deep-sleep clock is osc /37
#define SYSCTL_DSLP_DIV_38 0x12800000 // Deep-sleep clock is osc /38
#define SYSCTL_DSLP_DIV_39 0x13000000 // Deep-sleep clock is osc /39
#define SYSCTL_DSLP_DIV_40 0x13800000 // Deep-sleep clock is osc /40
#define SYSCTL_DSLP_DIV_41 0x14000000 // Deep-sleep clock is osc /41
#define SYSCTL_DSLP_DIV_42 0x14800000 // Deep-sleep clock is osc /42
#define SYSCTL_DSLP_DIV_43 0x15000000 // Deep-sleep clock is osc /43
#define SYSCTL_DSLP_DIV_44 0x15800000 // Deep-sleep clock is osc /44
#define SYSCTL_DSLP_DIV_45 0x16000000 // Deep-sleep clock is osc /45
#define SYSCTL_DSLP_DIV_46 0x16800000 // Deep-sleep clock is osc /46
#define SYSCTL_DSLP_DIV_47 0x17000000 // Deep-sleep clock is osc /47
#define SYSCTL_DSLP_DIV_48 0x17800000 // Deep-sleep clock is osc /48
#define SYSCTL_DSLP_DIV_49 0x18000000 // Deep-sleep clock is osc /49
#define SYSCTL_DSLP_DIV_50 0x18800000 // Deep-sleep clock is osc /50
#define SYSCTL_DSLP_DIV_51 0x19000000 // Deep-sleep clock is osc /51
#define SYSCTL_DSLP_DIV_52 0x19800000 // Deep-sleep clock is osc /52
#define SYSCTL_DSLP_DIV_53 0x1A000000 // Deep-sleep clock is osc /53
#define SYSCTL_DSLP_DIV_54 0x1A800000 // Deep-sleep clock is osc /54
#define SYSCTL_DSLP_DIV_55 0x1B000000 // Deep-sleep clock is osc /55
#define SYSCTL_DSLP_DIV_56 0x1B800000 // Deep-sleep clock is osc /56
#define SYSCTL_DSLP_DIV_57 0x1C000000 // Deep-sleep clock is osc /57
#define SYSCTL_DSLP_DIV_58 0x1C800000 // Deep-sleep clock is osc /58
#define SYSCTL_DSLP_DIV_59 0x1D000000 // Deep-sleep clock is osc /59
#define SYSCTL_DSLP_DIV_60 0x1D800000 // Deep-sleep clock is osc /60
#define SYSCTL_DSLP_DIV_61 0x1E000000 // Deep-sleep clock is osc /61
#define SYSCTL_DSLP_DIV_62 0x1E800000 // Deep-sleep clock is osc /62
#define SYSCTL_DSLP_DIV_63 0x1F000000 // Deep-sleep clock is osc /63
#define SYSCTL_DSLP_DIV_64 0x1F800000 // Deep-sleep clock is osc /64
#define SYSCTL_DSLP_OSC_MAIN 0x00000000 // Osc source is main osc
#define SYSCTL_DSLP_OSC_INT 0x00000010 // Osc source is int. osc
#define SYSCTL_DSLP_OSC_INT30 0x00000030 // Osc source is int. 30 KHz
#define SYSCTL_DSLP_OSC_EXT32 0x00000070 // Osc source is ext. 32 KHz
#define SYSCTL_DSLP_PIOSC_PD 0x00000002 // Power down PIOSC in deep-sleep
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlPIOSCCalibrate()
// API as the ui32Type parameter.
//
//*****************************************************************************
#define SYSCTL_PIOSC_CAL_AUTO 0x00000200 // Automatic calibration
#define SYSCTL_PIOSC_CAL_FACT 0x00000100 // Factory calibration
#define SYSCTL_PIOSC_CAL_USER 0x80000100 // User-supplied calibration
//*****************************************************************************
//
// The following are values that can be passed to the SysCtlMOSCConfigSet() API
// as the ui32Config parameter.
//
//*****************************************************************************
#define SYSCTL_MOSC_VALIDATE 0x00000001 // Enable MOSC validation
#define SYSCTL_MOSC_INTERRUPT 0x00000002 // Generate interrupt on MOSC fail
#define SYSCTL_MOSC_NO_XTAL 0x00000004 // No crystal is attached to MOSC
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern uint32_t SysCtlSRAMSizeGet(void);
extern uint32_t SysCtlFlashSizeGet(void);
extern bool SysCtlPeripheralPresent(uint32_t ui32Peripheral);
extern bool SysCtlPeripheralReady(uint32_t ui32Peripheral);
extern void SysCtlPeripheralPowerOn(uint32_t ui32Peripheral);
extern void SysCtlPeripheralPowerOff(uint32_t ui32Peripheral);
extern void SysCtlPeripheralReset(uint32_t ui32Peripheral);
extern void SysCtlPeripheralEnable(uint32_t ui32Peripheral);
extern void SysCtlPeripheralDisable(uint32_t ui32Peripheral);
extern void SysCtlPeripheralSleepEnable(uint32_t ui32Peripheral);
extern void SysCtlPeripheralSleepDisable(uint32_t ui32Peripheral);
extern void SysCtlPeripheralDeepSleepEnable(uint32_t ui32Peripheral);
extern void SysCtlPeripheralDeepSleepDisable(uint32_t ui32Peripheral);
extern void SysCtlPeripheralClockGating(bool bEnable);
extern void SysCtlIntRegister(void (*pfnHandler)(void));
extern void SysCtlIntUnregister(void);
extern void SysCtlIntEnable(uint32_t ui32Ints);
extern void SysCtlIntDisable(uint32_t ui32Ints);
extern void SysCtlIntClear(uint32_t ui32Ints);
extern uint32_t SysCtlIntStatus(bool bMasked);
extern void SysCtlLDOConfigSet(uint32_t ui32Config);
extern void SysCtlReset(void);
extern void SysCtlSleep(void);
extern void SysCtlDeepSleep(void);
extern uint32_t SysCtlResetCauseGet(void);
extern void SysCtlResetCauseClear(uint32_t ui32Causes);
extern void SysCtlBrownOutConfigSet(uint32_t ui32Config,
uint32_t ui32Delay);
extern void SysCtlDelay(uint32_t ui32Count);
extern void SysCtlMOSCConfigSet(uint32_t ui32Config);
extern uint32_t SysCtlPIOSCCalibrate(uint32_t ui32Type);
extern void SysCtlClockSet(uint32_t ui32Config);
extern uint32_t SysCtlClockGet(void);
extern void SysCtlDeepSleepClockSet(uint32_t ui32Config);
extern void SysCtlPWMClockSet(uint32_t ui32Config);
extern uint32_t SysCtlPWMClockGet(void);
extern void SysCtlADCSpeedSet(uint32_t ui32Speed);
extern uint32_t SysCtlADCSpeedGet(void);
extern void SysCtlIOSCVerificationSet(bool bEnable);
extern void SysCtlMOSCVerificationSet(bool bEnable);
extern void SysCtlPLLVerificationSet(bool bEnable);
extern void SysCtlClkVerificationClear(void);
extern void SysCtlGPIOAHBEnable(uint32_t ui32GPIOPeripheral);
extern void SysCtlGPIOAHBDisable(uint32_t ui32GPIOPeripheral);
extern void SysCtlUSBPLLEnable(void);
extern void SysCtlUSBPLLDisable(void);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_SYSCTL_H__

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//*****************************************************************************
//
// sysexc.c - Routines for the System Exception Module.
//
// Copyright (c) 2011-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup sysexc_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_sysctl.h"
#include "inc/hw_sysexc.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
//*****************************************************************************
//
//! Returns the interrupt number for a system exception.
//!
//! This function returns the interrupt number for a system exception.
//!
//! \return Returns the system exception interrupt number.
//
//*****************************************************************************
static uint32_t
_SysExcIntNumberGet(void)
{
uint32_t ui32Int;
//
// Get the interrupt number based on the class.
//
if(CLASS_IS_BLIZZARD)
{
ui32Int = INT_SYSEXC_BLIZZARD;
}
else
{
ui32Int = 0;
}
return(ui32Int);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the system exception interrupt.
//!
//! \param pfnHandler is a pointer to the function to be called when the system
//! exception interrupt occurs.
//!
//! This function places the address of the system exception interrupt handler
//! into the interrupt vector table in SRAM. This function also enables the
//! global interrupt in the interrupt controller; specific system exception
//! interrupts must be enabled via SysExcIntEnable(). It is the interrupt
//! handler's responsibility to clear the interrupt source.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
SysExcIntRegister(void (*pfnHandler)(void))
{
uint32_t ui32Int;
//
// Get the system exception interrupt number.
//
ui32Int = _SysExcIntNumberGet();
ASSERT(ui32Int != 0);
//
// Register the interrupt handler.
//
IntRegister(ui32Int, pfnHandler);
//
// Enable the system exception interrupt.
//
IntEnable(ui32Int);
}
//*****************************************************************************
//
//! Unregisters the system exception interrupt handler.
//!
//! This function removes the system exception interrupt handler from the
//! vector table in SRAM. This function also masks off the system exception
//! interrupt in the interrupt controller so that the interrupt handler is no
//! longer called.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
SysExcIntUnregister(void)
{
uint32_t ui32Int;
//
// Get the system exception interrupt number.
//
ui32Int = _SysExcIntNumberGet();
ASSERT(ui32Int != 0);
//
// Disable the system exception interrupt.
//
IntDisable(ui32Int);
//
// Unregister the system exception interrupt handler.
//
IntUnregister(ui32Int);
}
//*****************************************************************************
//
//! Enables individual system exception interrupt sources.
//!
//! \param ui32IntFlags is the bit mask of the interrupt sources to be enabled.
//!
//! This function enables the indicated system exception interrupt sources.
//! Only the sources that are enabled can be reflected to the processor
//! interrupt; disabled sources have no effect on the processor.
//!
//! The \e ui32IntFlags parameter is the logical OR of any of the following:
//!
//! - \b SYSEXC_INT_FP_IXC - Floating-point inexact exception interrupt
//! - \b SYSEXC_INT_FP_OFC - Floating-point overflow exception interrupt
//! - \b SYSEXC_INT_FP_UFC - Floating-point underflow exception interrupt
//! - \b SYSEXC_INT_FP_IOC - Floating-point invalid operation interrupt
//! - \b SYSEXC_INT_FP_DZC - Floating-point divide by zero exception interrupt
//! - \b SYSEXC_INT_FP_IDC - Floating-point input denormal exception interrupt
//!
//! \return None.
//
//*****************************************************************************
void
SysExcIntEnable(uint32_t ui32IntFlags)
{
//
// Enable the specified interrupts.
//
HWREG(SYSEXC_IM) |= ui32IntFlags;
}
//*****************************************************************************
//
//! Disables individual system exception interrupt sources.
//!
//! \param ui32IntFlags is the bit mask of the interrupt sources to be
//! disabled.
//!
//! This function disables the indicated system exception interrupt sources.
//! Only sources that are enabled can be reflected to the processor interrupt;
//! disabled sources have no effect on the processor.
//!
//! The \e ui32IntFlags parameter is the logical OR of any of the following:
//!
//! - \b SYSEXC_INT_FP_IXC - Floating-point inexact exception interrupt
//! - \b SYSEXC_INT_FP_OFC - Floating-point overflow exception interrupt
//! - \b SYSEXC_INT_FP_UFC - Floating-point underflow exception interrupt
//! - \b SYSEXC_INT_FP_IOC - Floating-point invalid operation interrupt
//! - \b SYSEXC_INT_FP_DZC - Floating-point divide by zero exception interrupt
//! - \b SYSEXC_INT_FP_IDC - Floating-point input denormal exception interrupt
//!
//! \return None.
//
//*****************************************************************************
void
SysExcIntDisable(uint32_t ui32IntFlags)
{
//
// Disable the specified interrupts.
//
HWREG(SYSEXC_IM) &= ~(ui32IntFlags);
}
//*****************************************************************************
//
//! Gets the current system exception interrupt status.
//!
//! \param bMasked is \b false if the raw interrupt status is required and
//! \b true if the masked interrupt status is required.
//!
//! This function returns the system exception interrupt status. Either the
//! raw interrupt status or the status of interrupts that are allowed to
//! reflect to the processor can be returned.
//!
//! \return Returns the current system exception interrupt status, enumerated
//! as the logical OR of \b SYSEXC_INT_FP_IXC, \b SYSEXC_INT_FP_OFC,
//! \b SYSEXC_INT_FP_UFC, \b SYSEXC_INT_FP_IOC, \b SYSEXC_INT_FP_DZC, and
//! \b SYSEXC_INT_FP_IDC.
//
//*****************************************************************************
uint32_t
SysExcIntStatus(bool bMasked)
{
//
// Return either the interrupt status or the raw interrupt status as
// requested.
//
if(bMasked)
{
return(HWREG(SYSEXC_MIS));
}
else
{
return(HWREG(SYSEXC_RIS));
}
}
//*****************************************************************************
//
//! Clears system exception interrupt sources.
//!
//! \param ui32IntFlags is a bit mask of the interrupt sources to be cleared.
//!
//! This function clears the specified system exception interrupt sources, so
//! that they no longer assert. This function must be called in the interrupt
//! handler to keep the interrupt from being recognized again immediately upon
//! exit.
//!
//! The \e ui32IntFlags parameter is the logical OR of any of the following:
//!
//! - \b SYSEXC_INT_FP_IXC - Floating-point inexact exception interrupt
//! - \b SYSEXC_INT_FP_OFC - Floating-point overflow exception interrupt
//! - \b SYSEXC_INT_FP_UFC - Floating-point underflow exception interrupt
//! - \b SYSEXC_INT_FP_IOC - Floating-point invalid operation interrupt
//! - \b SYSEXC_INT_FP_DZC - Floating-point divide by zero exception interrupt
//! - \b SYSEXC_INT_FP_IDC - Floating-point input denormal exception interrupt
//!
//! \note Because there is a write buffer in the Cortex-M processor, it may
//! take several clock cycles before the interrupt source is actually cleared.
//! Therefore, it is recommended that the interrupt source be cleared early in
//! the interrupt handler (as opposed to the very last action) to avoid
//! returning from the interrupt handler before the interrupt source is
//! actually cleared. Failure to do so may result in the interrupt handler
//! being immediately reentered (because the interrupt controller still sees
//! the interrupt source asserted).
//!
//! \return None.
//
//*****************************************************************************
void
SysExcIntClear(uint32_t ui32IntFlags)
{
//
// Clear the requested interrupt sources.
//
HWREG(SYSEXC_IC) = ui32IntFlags;
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// sysexc.h - Prototypes for the System Exception Module routines.
//
// Copyright (c) 2011-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_SYSEXC_H__
#define __DRIVERLIB_SYSEXC_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to SysExcIntEnable, SysExcIntDisable, and
// SysExcIntClear as the ui32IntFlags parameter, and returned from
// SysExcIntStatus.
//
//*****************************************************************************
#define SYSEXC_INT_FP_IXC 0x00000020 // FP Inexact exception interrupt
#define SYSEXC_INT_FP_OFC 0x00000010 // FP Overflow exception interrupt
#define SYSEXC_INT_FP_UFC 0x00000008 // FP Underflow exception interrupt
#define SYSEXC_INT_FP_IOC 0x00000004 // FP Invalid operation interrupt
#define SYSEXC_INT_FP_DZC 0x00000002 // FP Divide by zero exception int
#define SYSEXC_INT_FP_IDC 0x00000001 // FP Input denormal exception int
//*****************************************************************************
//
// Prototypes.
//
//*****************************************************************************
extern void SysExcIntRegister(void (*pfnHandler)(void));
extern void SysExcIntUnregister(void);
extern void SysExcIntEnable(uint32_t ui32IntFlags);
extern void SysExcIntDisable(uint32_t ui32IntFlags);
extern uint32_t SysExcIntStatus(bool bMasked);
extern void SysExcIntClear(uint32_t ui32IntFlags);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_SYSEXC_H__

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//*****************************************************************************
//
// systick.c - Driver for the SysTick timer in NVIC.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup systick_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_nvic.h"
#include "inc/hw_types.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
#include "driverlib/systick.h"
//*****************************************************************************
//
//! Enables the SysTick counter.
//!
//! This function starts the SysTick counter. If an interrupt handler has been
//! registered, it is called when the SysTick counter rolls over.
//!
//! \note Calling this function causes the SysTick counter to (re)commence
//! counting from its current value. The counter is not automatically reloaded
//! with the period as specified in a previous call to SysTickPeriodSet(). If
//! an immediate reload is required, the \b NVIC_ST_CURRENT register must be
//! written to force the reload. Any write to this register clears the SysTick
//! counter to 0 and causes a reload with the supplied period on the next
//! clock.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickEnable(void)
{
//
// Enable SysTick.
//
HWREG(NVIC_ST_CTRL) |= NVIC_ST_CTRL_CLK_SRC | NVIC_ST_CTRL_ENABLE;
}
//*****************************************************************************
//
//! Disables the SysTick counter.
//!
//! This function stops the SysTick counter. If an interrupt handler has been
//! registered, it is not called until SysTick is restarted.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickDisable(void)
{
//
// Disable SysTick.
//
HWREG(NVIC_ST_CTRL) &= ~(NVIC_ST_CTRL_ENABLE);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the SysTick interrupt.
//!
//! \param pfnHandler is a pointer to the function to be called when the
//! SysTick interrupt occurs.
//!
//! This function registers the handler to be called when a SysTick interrupt
//! occurs.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickIntRegister(void (*pfnHandler)(void))
{
//
// Register the interrupt handler, returning an error if an error occurs.
//
IntRegister(FAULT_SYSTICK, pfnHandler);
//
// Enable the SysTick interrupt.
//
HWREG(NVIC_ST_CTRL) |= NVIC_ST_CTRL_INTEN;
}
//*****************************************************************************
//
//! Unregisters the interrupt handler for the SysTick interrupt.
//!
//! This function unregisters the handler to be called when a SysTick interrupt
//! occurs.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickIntUnregister(void)
{
//
// Disable the SysTick interrupt.
//
HWREG(NVIC_ST_CTRL) &= ~(NVIC_ST_CTRL_INTEN);
//
// Unregister the interrupt handler.
//
IntUnregister(FAULT_SYSTICK);
}
//*****************************************************************************
//
//! Enables the SysTick interrupt.
//!
//! This function enables the SysTick interrupt, allowing it to be
//! reflected to the processor.
//!
//! \note The SysTick interrupt handler is not required to clear the SysTick
//! interrupt source because it is cleared automatically by the NVIC when the
//! interrupt handler is called.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickIntEnable(void)
{
//
// Enable the SysTick interrupt.
//
HWREG(NVIC_ST_CTRL) |= NVIC_ST_CTRL_INTEN;
}
//*****************************************************************************
//
//! Disables the SysTick interrupt.
//!
//! This function disables the SysTick interrupt, preventing it from being
//! reflected to the processor.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickIntDisable(void)
{
//
// Disable the SysTick interrupt.
//
HWREG(NVIC_ST_CTRL) &= ~(NVIC_ST_CTRL_INTEN);
}
//*****************************************************************************
//
//! Sets the period of the SysTick counter.
//!
//! \param ui32Period is the number of clock ticks in each period of the
//! SysTick counter and must be between 1 and 16,777,216, inclusive.
//!
//! This function sets the rate at which the SysTick counter wraps, which
//! equates to the number of processor clocks between interrupts.
//!
//! \note Calling this function does not cause the SysTick counter to reload
//! immediately. If an immediate reload is required, the \b NVIC_ST_CURRENT
//! register must be written. Any write to this register clears the SysTick
//! counter to 0 and causes a reload with the \e ui32Period supplied here on
//! the next clock after SysTick is enabled.
//!
//! \return None.
//
//*****************************************************************************
void
SysTickPeriodSet(uint32_t ui32Period)
{
//
// Check the arguments.
//
ASSERT((ui32Period > 0) && (ui32Period <= 16777216));
//
// Set the period of the SysTick counter.
//
HWREG(NVIC_ST_RELOAD) = ui32Period - 1;
}
//*****************************************************************************
//
//! Gets the period of the SysTick counter.
//!
//! This function returns the rate at which the SysTick counter wraps, which
//! equates to the number of processor clocks between interrupts.
//!
//! \return Returns the period of the SysTick counter.
//
//*****************************************************************************
uint32_t
SysTickPeriodGet(void)
{
//
// Return the period of the SysTick counter.
//
return(HWREG(NVIC_ST_RELOAD) + 1);
}
//*****************************************************************************
//
//! Gets the current value of the SysTick counter.
//!
//! This function returns the current value of the SysTick counter, which is
//! a value between the period - 1 and zero, inclusive.
//!
//! \return Returns the current value of the SysTick counter.
//
//*****************************************************************************
uint32_t
SysTickValueGet(void)
{
//
// Return the current value of the SysTick counter.
//
return(HWREG(NVIC_ST_CURRENT));
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// systick.h - Prototypes for the SysTick driver.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_SYSTICK_H__
#define __DRIVERLIB_SYSTICK_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void SysTickEnable(void);
extern void SysTickDisable(void);
extern void SysTickIntRegister(void (*pfnHandler)(void));
extern void SysTickIntUnregister(void);
extern void SysTickIntEnable(void);
extern void SysTickIntDisable(void);
extern void SysTickPeriodSet(uint32_t ui32Period);
extern uint32_t SysTickPeriodGet(void);
extern uint32_t SysTickValueGet(void);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_SYSTICK_H__

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//*****************************************************************************
//
// timer.h - Prototypes for the timer module
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_TIMER_H__
#define __DRIVERLIB_TIMER_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to TimerConfigure as the ui32Config parameter.
//
//*****************************************************************************
#define TIMER_CFG_ONE_SHOT 0x00000021 // Full-width one-shot timer
#define TIMER_CFG_ONE_SHOT_UP 0x00000031 // Full-width one-shot up-count
// timer
#define TIMER_CFG_PERIODIC 0x00000022 // Full-width periodic timer
#define TIMER_CFG_PERIODIC_UP 0x00000032 // Full-width periodic up-count
// timer
#define TIMER_CFG_RTC 0x01000000 // Full-width RTC timer
#define TIMER_CFG_SPLIT_PAIR 0x04000000 // Two half-width timers
#define TIMER_CFG_A_ONE_SHOT 0x00000021 // Timer A one-shot timer
#define TIMER_CFG_A_ONE_SHOT_UP 0x00000031 // Timer A one-shot up-count timer
#define TIMER_CFG_A_PERIODIC 0x00000022 // Timer A periodic timer
#define TIMER_CFG_A_PERIODIC_UP 0x00000032 // Timer A periodic up-count timer
#define TIMER_CFG_A_CAP_COUNT 0x00000003 // Timer A event counter
#define TIMER_CFG_A_CAP_COUNT_UP 0x00000013 // Timer A event up-counter
#define TIMER_CFG_A_CAP_TIME 0x00000007 // Timer A event timer
#define TIMER_CFG_A_CAP_TIME_UP 0x00000017 // Timer A event up-count timer
#define TIMER_CFG_A_PWM 0x0000000A // Timer A PWM output
#define TIMER_CFG_B_ONE_SHOT 0x00002100 // Timer B one-shot timer
#define TIMER_CFG_B_ONE_SHOT_UP 0x00003100 // Timer B one-shot up-count timer
#define TIMER_CFG_B_PERIODIC 0x00002200 // Timer B periodic timer
#define TIMER_CFG_B_PERIODIC_UP 0x00003200 // Timer B periodic up-count timer
#define TIMER_CFG_B_CAP_COUNT 0x00000300 // Timer B event counter
#define TIMER_CFG_B_CAP_COUNT_UP 0x00001300 // Timer B event up-counter
#define TIMER_CFG_B_CAP_TIME 0x00000700 // Timer B event timer
#define TIMER_CFG_B_CAP_TIME_UP 0x00001700 // Timer B event up-count timer
#define TIMER_CFG_B_PWM 0x00000A00 // Timer B PWM output
//*****************************************************************************
//
// Values that can be passed to TimerIntEnable, TimerIntDisable, and
// TimerIntClear as the ui32IntFlags parameter, and returned from
// TimerIntStatus.
//
//*****************************************************************************
#define TIMER_TIMB_MATCH 0x00000800 // TimerB match interrupt
#define TIMER_CAPB_EVENT 0x00000400 // CaptureB event interrupt
#define TIMER_CAPB_MATCH 0x00000200 // CaptureB match interrupt
#define TIMER_TIMB_TIMEOUT 0x00000100 // TimerB time out interrupt
#define TIMER_TIMA_MATCH 0x00000010 // TimerA match interrupt
#define TIMER_RTC_MATCH 0x00000008 // RTC interrupt mask
#define TIMER_CAPA_EVENT 0x00000004 // CaptureA event interrupt
#define TIMER_CAPA_MATCH 0x00000002 // CaptureA match interrupt
#define TIMER_TIMA_TIMEOUT 0x00000001 // TimerA time out interrupt
//*****************************************************************************
//
// Values that can be passed to TimerControlEvent as the ui32Event parameter.
//
//*****************************************************************************
#define TIMER_EVENT_POS_EDGE 0x00000000 // Count positive edges
#define TIMER_EVENT_NEG_EDGE 0x00000404 // Count negative edges
#define TIMER_EVENT_BOTH_EDGES 0x00000C0C // Count both edges
//*****************************************************************************
//
// Values that can be passed to most of the timer APIs as the ui32Timer
// parameter.
//
//*****************************************************************************
#define TIMER_A 0x000000ff // Timer A
#define TIMER_B 0x0000ff00 // Timer B
#define TIMER_BOTH 0x0000ffff // Timer Both
//*****************************************************************************
//
// Values that can be passed to TimerSynchronize as the ui32Timers parameter.
//
//*****************************************************************************
#define TIMER_0A_SYNC 0x00000001 // Synchronize Timer 0A
#define TIMER_0B_SYNC 0x00000002 // Synchronize Timer 0B
#define TIMER_1A_SYNC 0x00000004 // Synchronize Timer 1A
#define TIMER_1B_SYNC 0x00000008 // Synchronize Timer 1B
#define TIMER_2A_SYNC 0x00000010 // Synchronize Timer 2A
#define TIMER_2B_SYNC 0x00000020 // Synchronize Timer 2B
#define TIMER_3A_SYNC 0x00000040 // Synchronize Timer 3A
#define TIMER_3B_SYNC 0x00000080 // Synchronize Timer 3B
#define TIMER_4A_SYNC 0x00000100 // Synchronize Timer 4A
#define TIMER_4B_SYNC 0x00000200 // Synchronize Timer 4B
#define TIMER_5A_SYNC 0x00000400 // Synchronize Timer 5A
#define TIMER_5B_SYNC 0x00000800 // Synchronize Timer 5B
#define WTIMER_0A_SYNC 0x00001000 // Synchronize Wide Timer 0A
#define WTIMER_0B_SYNC 0x00002000 // Synchronize Wide Timer 0B
#define WTIMER_1A_SYNC 0x00004000 // Synchronize Wide Timer 1A
#define WTIMER_1B_SYNC 0x00008000 // Synchronize Wide Timer 1B
#define WTIMER_2A_SYNC 0x00010000 // Synchronize Wide Timer 2A
#define WTIMER_2B_SYNC 0x00020000 // Synchronize Wide Timer 2B
#define WTIMER_3A_SYNC 0x00040000 // Synchronize Wide Timer 3A
#define WTIMER_3B_SYNC 0x00080000 // Synchronize Wide Timer 3B
#define WTIMER_4A_SYNC 0x00100000 // Synchronize Wide Timer 4A
#define WTIMER_4B_SYNC 0x00200000 // Synchronize Wide Timer 4B
#define WTIMER_5A_SYNC 0x00400000 // Synchronize Wide Timer 5A
#define WTIMER_5B_SYNC 0x00800000 // Synchronize Wide Timer 5B
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern void TimerEnable(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerDisable(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerConfigure(uint32_t ui32Base, uint32_t ui32Config);
extern void TimerControlLevel(uint32_t ui32Base, uint32_t ui32Timer,
bool bInvert);
extern void TimerControlTrigger(uint32_t ui32Base, uint32_t ui32Timer,
bool bEnable);
extern void TimerControlEvent(uint32_t ui32Base, uint32_t ui32Timer,
uint32_t ui32Event);
extern void TimerControlStall(uint32_t ui32Base, uint32_t ui32Timer,
bool bStall);
extern void TimerControlWaitOnTrigger(uint32_t ui32Base, uint32_t ui32Timer,
bool bWait);
extern void TimerRTCEnable(uint32_t ui32Base);
extern void TimerRTCDisable(uint32_t ui32Base);
extern void TimerPrescaleSet(uint32_t ui32Base, uint32_t ui32Timer,
uint32_t ui32Value);
extern uint32_t TimerPrescaleGet(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerPrescaleMatchSet(uint32_t ui32Base, uint32_t ui32Timer,
uint32_t ui32Value);
extern uint32_t TimerPrescaleMatchGet(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerLoadSet(uint32_t ui32Base, uint32_t ui32Timer,
uint32_t ui32Value);
extern uint32_t TimerLoadGet(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerLoadSet64(uint32_t ui32Base, uint64_t ui64Value);
extern uint64_t TimerLoadGet64(uint32_t ui32Base);
extern uint32_t TimerValueGet(uint32_t ui32Base, uint32_t ui32Timer);
extern uint64_t TimerValueGet64(uint32_t ui32Base);
extern void TimerMatchSet(uint32_t ui32Base, uint32_t ui32Timer,
uint32_t ui32Value);
extern uint32_t TimerMatchGet(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerMatchSet64(uint32_t ui32Base, uint64_t ui64Value);
extern uint64_t TimerMatchGet64(uint32_t ui32Base);
extern void TimerIntRegister(uint32_t ui32Base, uint32_t ui32Timer,
void (*pfnHandler)(void));
extern void TimerIntUnregister(uint32_t ui32Base, uint32_t ui32Timer);
extern void TimerIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void TimerIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t TimerIntStatus(uint32_t ui32Base, bool bMasked);
extern void TimerIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void TimerSynchronize(uint32_t ui32Base, uint32_t ui32Timers);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_TIMER_H__

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//*****************************************************************************
//
// uart.h - Defines and Macros for the UART.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_UART_H__
#define __DRIVERLIB_UART_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// Values that can be passed to UARTIntEnable, UARTIntDisable, and UARTIntClear
// as the ui32IntFlags parameter, and returned from UARTIntStatus.
//
//*****************************************************************************
#define UART_INT_9BIT 0x1000 // 9-bit address match interrupt
#define UART_INT_OE 0x400 // Overrun Error Interrupt Mask
#define UART_INT_BE 0x200 // Break Error Interrupt Mask
#define UART_INT_PE 0x100 // Parity Error Interrupt Mask
#define UART_INT_FE 0x080 // Framing Error Interrupt Mask
#define UART_INT_RT 0x040 // Receive Timeout Interrupt Mask
#define UART_INT_TX 0x020 // Transmit Interrupt Mask
#define UART_INT_RX 0x010 // Receive Interrupt Mask
#define UART_INT_DSR 0x008 // DSR Modem Interrupt Mask
#define UART_INT_DCD 0x004 // DCD Modem Interrupt Mask
#define UART_INT_CTS 0x002 // CTS Modem Interrupt Mask
#define UART_INT_RI 0x001 // RI Modem Interrupt Mask
//*****************************************************************************
//
// Values that can be passed to UARTConfigSetExpClk as the ui32Config parameter
// and returned by UARTConfigGetExpClk in the pui32Config parameter.
// Additionally, the UART_CONFIG_PAR_* subset can be passed to
// UARTParityModeSet as the ui32Parity parameter, and are returned by
// UARTParityModeGet.
//
//*****************************************************************************
#define UART_CONFIG_WLEN_MASK 0x00000060 // Mask for extracting word length
#define UART_CONFIG_WLEN_8 0x00000060 // 8 bit data
#define UART_CONFIG_WLEN_7 0x00000040 // 7 bit data
#define UART_CONFIG_WLEN_6 0x00000020 // 6 bit data
#define UART_CONFIG_WLEN_5 0x00000000 // 5 bit data
#define UART_CONFIG_STOP_MASK 0x00000008 // Mask for extracting stop bits
#define UART_CONFIG_STOP_ONE 0x00000000 // One stop bit
#define UART_CONFIG_STOP_TWO 0x00000008 // Two stop bits
#define UART_CONFIG_PAR_MASK 0x00000086 // Mask for extracting parity
#define UART_CONFIG_PAR_NONE 0x00000000 // No parity
#define UART_CONFIG_PAR_EVEN 0x00000006 // Even parity
#define UART_CONFIG_PAR_ODD 0x00000002 // Odd parity
#define UART_CONFIG_PAR_ONE 0x00000082 // Parity bit is one
#define UART_CONFIG_PAR_ZERO 0x00000086 // Parity bit is zero
//*****************************************************************************
//
// Values that can be passed to UARTFIFOLevelSet as the ui32TxLevel parameter
// and returned by UARTFIFOLevelGet in the pui32TxLevel.
//
//*****************************************************************************
#define UART_FIFO_TX1_8 0x00000000 // Transmit interrupt at 1/8 Full
#define UART_FIFO_TX2_8 0x00000001 // Transmit interrupt at 1/4 Full
#define UART_FIFO_TX4_8 0x00000002 // Transmit interrupt at 1/2 Full
#define UART_FIFO_TX6_8 0x00000003 // Transmit interrupt at 3/4 Full
#define UART_FIFO_TX7_8 0x00000004 // Transmit interrupt at 7/8 Full
//*****************************************************************************
//
// Values that can be passed to UARTFIFOLevelSet as the ui32RxLevel parameter
// and returned by UARTFIFOLevelGet in the pui32RxLevel.
//
//*****************************************************************************
#define UART_FIFO_RX1_8 0x00000000 // Receive interrupt at 1/8 Full
#define UART_FIFO_RX2_8 0x00000008 // Receive interrupt at 1/4 Full
#define UART_FIFO_RX4_8 0x00000010 // Receive interrupt at 1/2 Full
#define UART_FIFO_RX6_8 0x00000018 // Receive interrupt at 3/4 Full
#define UART_FIFO_RX7_8 0x00000020 // Receive interrupt at 7/8 Full
//*****************************************************************************
//
// Values that can be passed to UARTDMAEnable() and UARTDMADisable().
//
//*****************************************************************************
#define UART_DMA_ERR_RXSTOP 0x00000004 // Stop DMA receive if UART error
#define UART_DMA_TX 0x00000002 // Enable DMA for transmit
#define UART_DMA_RX 0x00000001 // Enable DMA for receive
//*****************************************************************************
//
// Values returned from UARTRxErrorGet().
//
//*****************************************************************************
#define UART_RXERROR_OVERRUN 0x00000008
#define UART_RXERROR_BREAK 0x00000004
#define UART_RXERROR_PARITY 0x00000002
#define UART_RXERROR_FRAMING 0x00000001
//*****************************************************************************
//
// Values that can be passed to UARTHandshakeOutputsSet() or returned from
// UARTHandshakeOutputGet().
//
//*****************************************************************************
#define UART_OUTPUT_RTS 0x00000800
#define UART_OUTPUT_DTR 0x00000400
//*****************************************************************************
//
// Values that can be returned from UARTHandshakeInputsGet().
//
//*****************************************************************************
#define UART_INPUT_RI 0x00000100
#define UART_INPUT_DCD 0x00000004
#define UART_INPUT_DSR 0x00000002
#define UART_INPUT_CTS 0x00000001
//*****************************************************************************
//
// Values that can be passed to UARTFlowControl() or returned from
// UARTFlowControlGet().
//
//*****************************************************************************
#define UART_FLOWCONTROL_TX 0x00008000
#define UART_FLOWCONTROL_RX 0x00004000
#define UART_FLOWCONTROL_NONE 0x00000000
//*****************************************************************************
//
// Values that can be passed to UARTTxIntModeSet() or returned from
// UARTTxIntModeGet().
//
//*****************************************************************************
#define UART_TXINT_MODE_FIFO 0x00000000
#define UART_TXINT_MODE_EOT 0x00000010
//*****************************************************************************
//
// Values that can be passed to UARTClockSourceSet() or returned from
// UARTClockSourceGet().
//
//*****************************************************************************
#define UART_CLOCK_SYSTEM 0x00000000
#define UART_CLOCK_PIOSC 0x00000005
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void UARTParityModeSet(uint32_t ui32Base, uint32_t ui32Parity);
extern uint32_t UARTParityModeGet(uint32_t ui32Base);
extern void UARTFIFOLevelSet(uint32_t ui32Base, uint32_t ui32TxLevel,
uint32_t ui32RxLevel);
extern void UARTFIFOLevelGet(uint32_t ui32Base, uint32_t *pui32TxLevel,
uint32_t *pui32RxLevel);
extern void UARTConfigSetExpClk(uint32_t ui32Base, uint32_t ui32UARTClk,
uint32_t ui32Baud, uint32_t ui32Config);
extern void UARTConfigGetExpClk(uint32_t ui32Base, uint32_t ui32UARTClk,
uint32_t *pui32Baud, uint32_t *pui32Config);
extern void UARTEnable(uint32_t ui32Base);
extern void UARTDisable(uint32_t ui32Base);
extern void UARTFIFOEnable(uint32_t ui32Base);
extern void UARTFIFODisable(uint32_t ui32Base);
extern void UARTEnableSIR(uint32_t ui32Base, bool bLowPower);
extern void UARTDisableSIR(uint32_t ui32Base);
extern bool UARTCharsAvail(uint32_t ui32Base);
extern bool UARTSpaceAvail(uint32_t ui32Base);
extern int32_t UARTCharGetNonBlocking(uint32_t ui32Base);
extern int32_t UARTCharGet(uint32_t ui32Base);
extern bool UARTCharPutNonBlocking(uint32_t ui32Base, unsigned char ucData);
extern void UARTCharPut(uint32_t ui32Base, unsigned char ucData);
extern void UARTBreakCtl(uint32_t ui32Base, bool bBreakState);
extern bool UARTBusy(uint32_t ui32Base);
extern void UARTIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern void UARTIntUnregister(uint32_t ui32Base);
extern void UARTIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void UARTIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t UARTIntStatus(uint32_t ui32Base, bool bMasked);
extern void UARTIntClear(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void UARTDMAEnable(uint32_t ui32Base, uint32_t ui32DMAFlags);
extern void UARTDMADisable(uint32_t ui32Base, uint32_t ui32DMAFlags);
extern uint32_t UARTRxErrorGet(uint32_t ui32Base);
extern void UARTRxErrorClear(uint32_t ui32Base);
extern void UARTSmartCardEnable(uint32_t ui32Base);
extern void UARTSmartCardDisable(uint32_t ui32Base);
extern void UARTModemControlSet(uint32_t ui32Base, uint32_t ui32Control);
extern void UARTModemControlClear(uint32_t ui32Base, uint32_t ui32Control);
extern uint32_t UARTModemControlGet(uint32_t ui32Base);
extern uint32_t UARTModemStatusGet(uint32_t ui32Base);
extern void UARTFlowControlSet(uint32_t ui32Base, uint32_t ui32Mode);
extern uint32_t UARTFlowControlGet(uint32_t ui32Base);
extern void UARTTxIntModeSet(uint32_t ui32Base, uint32_t ui32Mode);
extern uint32_t UARTTxIntModeGet(uint32_t ui32Base);
extern void UARTClockSourceSet(uint32_t ui32Base, uint32_t ui32Source);
extern uint32_t UARTClockSourceGet(uint32_t ui32Base);
extern void UART9BitEnable(uint32_t ui32Base);
extern void UART9BitDisable(uint32_t ui32Base);
extern void UART9BitAddrSet(uint32_t ui32Base, uint8_t ui8Addr,
uint8_t ui8Mask);
extern void UART9BitAddrSend(uint32_t ui32Base, uint8_t ui8Addr);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_UART_H__

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//*****************************************************************************
//
// udma.h - Prototypes and macros for the uDMA controller.
//
// Copyright (c) 2007-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_UDMA_H__
#define __DRIVERLIB_UDMA_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
//! \addtogroup udma_api
//! @{
//
//*****************************************************************************
//*****************************************************************************
//
// A structure that defines an entry in the channel control table. These
// fields are used by the uDMA controller and normally it is not necessary for
// software to directly read or write fields in the table.
//
//*****************************************************************************
typedef struct
{
//
// The ending source address of the data transfer.
//
volatile void *pvSrcEndAddr;
//
// The ending destination address of the data transfer.
//
volatile void *pvDstEndAddr;
//
// The channel control mode.
//
volatile uint32_t ui32Control;
//
// An unused location.
//
volatile uint32_t ui32Spare;
}
tDMAControlTable;
//*****************************************************************************
//
//! A helper macro for building scatter-gather task table entries.
//!
//! \param ui32TransferCount is the count of items to transfer for this task.
//! \param ui32ItemSize is the bit size of the items to transfer for this task.
//! \param ui32SrcIncrement is the bit size increment for source data.
//! \param pvSrcAddr is the starting address of the data to transfer.
//! \param ui32DstIncrement is the bit size increment for destination data.
//! \param pvDstAddr is the starting address of the destination data.
//! \param ui32ArbSize is the arbitration size to use for the transfer task.
//! \param ui32Mode is the transfer mode for this task.
//!
//! This macro is intended to be used to help populate a table of uDMA tasks
//! for a scatter-gather transfer. This macro will calculate the values for
//! the fields of a task structure entry based on the input parameters.
//!
//! There are specific requirements for the values of each parameter. No
//! checking is done so it is up to the caller to ensure that correct values
//! are used for the parameters.
//!
//! The \e ui32TransferCount parameter is the number of items that will be
//! transferred by this task. It must be in the range 1-1024.
//!
//! The \e ui32ItemSize parameter is the bit size of the transfer data. It
//! must be one of \b UDMA_SIZE_8, \b UDMA_SIZE_16, or \b UDMA_SIZE_32.
//!
//! The \e ui32SrcIncrement parameter is the increment size for the source
//! data. It must be one of \b UDMA_SRC_INC_8, \b UDMA_SRC_INC_16,
//! \b UDMA_SRC_INC_32, or \b UDMA_SRC_INC_NONE.
//!
//! The \e pvSrcAddr parameter is a void pointer to the beginning of the source
//! data.
//!
//! The \e ui32DstIncrement parameter is the increment size for the destination
//! data. It must be one of \b UDMA_DST_INC_8, \b UDMA_DST_INC_16,
//! \b UDMA_DST_INC_32, or \b UDMA_DST_INC_NONE.
//!
//! The \e pvDstAddr parameter is a void pointer to the beginning of the
//! location where the data will be transferred.
//!
//! The \e ui32ArbSize parameter is the arbitration size for the transfer, and
//! must be one of \b UDMA_ARB_1, \b UDMA_ARB_2, \b UDMA_ARB_4, and so on
//! up to \b UDMA_ARB_1024. This is used to select the arbitration size in
//! powers of 2, from 1 to 1024.
//!
//! The \e ui32Mode parameter is the mode to use for this transfer task. It
//! must be one of \b UDMA_MODE_BASIC, \b UDMA_MODE_AUTO,
//! \b UDMA_MODE_MEM_SCATTER_GATHER, or \b UDMA_MODE_PER_SCATTER_GATHER. Note
//! that normally all tasks will be one of the scatter-gather modes while the
//! last task is a task list will be AUTO or BASIC.
//!
//! This macro is intended to be used to initialize individual entries of
//! a structure of tDMAControlTable type, like this:
//!
//! \verbatim
//! tDMAControlTable MyTaskList[] =
//! {
//! uDMATaskStructEntry(Task1Count, UDMA_SIZE_8,
//! UDMA_SRC_INC_8, MySourceBuf,
//! UDMA_DST_INC_8, MyDestBuf,
//! UDMA_ARB_8, UDMA_MODE_MEM_SCATTER_GATHER),
//! uDMATaskStructEntry(Task2Count, ...),
//! }
//! \endverbatim
//!
//! \return Nothing; this is not a function.
//
//*****************************************************************************
#define uDMATaskStructEntry(ui32TransferCount, \
ui32ItemSize, \
ui32SrcIncrement, \
pvSrcAddr, \
ui32DstIncrement, \
pvDstAddr, \
ui32ArbSize, \
ui32Mode) \
{ \
(((ui32SrcIncrement) == UDMA_SRC_INC_NONE) ? (void *)(pvSrcAddr) : \
((void *)(&((uint8_t *)(pvSrcAddr))[((ui32TransferCount) << \
((ui32SrcIncrement) >> 26)) - 1]))), \
(((ui32DstIncrement) == UDMA_DST_INC_NONE) ? (void *)(pvDstAddr) :\
((void *)(&((uint8_t *)(pvDstAddr))[((ui32TransferCount) << \
((ui32DstIncrement) >> 30)) - 1]))), \
(ui32SrcIncrement) | (ui32DstIncrement) | (ui32ItemSize) | \
(ui32ArbSize) | \
(((ui32TransferCount) - 1) << 4) | \
((((ui32Mode) == UDMA_MODE_MEM_SCATTER_GATHER) || \
((ui32Mode) == UDMA_MODE_PER_SCATTER_GATHER)) ? \
(ui32Mode) | UDMA_MODE_ALT_SELECT : (ui32Mode)), 0 \
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
//*****************************************************************************
//
// Flags that can be passed to uDMAChannelAttributeEnable(),
// uDMAChannelAttributeDisable(), and returned from uDMAChannelAttributeGet().
//
//*****************************************************************************
#define UDMA_ATTR_USEBURST 0x00000001
#define UDMA_ATTR_ALTSELECT 0x00000002
#define UDMA_ATTR_HIGH_PRIORITY 0x00000004
#define UDMA_ATTR_REQMASK 0x00000008
#define UDMA_ATTR_ALL 0x0000000F
//*****************************************************************************
//
// DMA control modes that can be passed to uDMAModeSet() and returned
// uDMAModeGet().
//
//*****************************************************************************
#define UDMA_MODE_STOP 0x00000000
#define UDMA_MODE_BASIC 0x00000001
#define UDMA_MODE_AUTO 0x00000002
#define UDMA_MODE_PINGPONG 0x00000003
#define UDMA_MODE_MEM_SCATTER_GATHER \
0x00000004
#define UDMA_MODE_PER_SCATTER_GATHER \
0x00000006
#define UDMA_MODE_ALT_SELECT 0x00000001
//*****************************************************************************
//
// Channel configuration values that can be passed to uDMAControlSet().
//
//*****************************************************************************
#define UDMA_DST_INC_8 0x00000000
#define UDMA_DST_INC_16 0x40000000
#define UDMA_DST_INC_32 0x80000000
#define UDMA_DST_INC_NONE 0xc0000000
#define UDMA_SRC_INC_8 0x00000000
#define UDMA_SRC_INC_16 0x04000000
#define UDMA_SRC_INC_32 0x08000000
#define UDMA_SRC_INC_NONE 0x0c000000
#define UDMA_SIZE_8 0x00000000
#define UDMA_SIZE_16 0x11000000
#define UDMA_SIZE_32 0x22000000
#define UDMA_DST_PROT_PRIV 0x00200000
#define UDMA_SRC_PROT_PRIV 0x00040000
#define UDMA_ARB_1 0x00000000
#define UDMA_ARB_2 0x00004000
#define UDMA_ARB_4 0x00008000
#define UDMA_ARB_8 0x0000c000
#define UDMA_ARB_16 0x00010000
#define UDMA_ARB_32 0x00014000
#define UDMA_ARB_64 0x00018000
#define UDMA_ARB_128 0x0001c000
#define UDMA_ARB_256 0x00020000
#define UDMA_ARB_512 0x00024000
#define UDMA_ARB_1024 0x00028000
#define UDMA_NEXT_USEBURST 0x00000008
//*****************************************************************************
//
// Channel numbers to be passed to API functions that require a channel number
// ID.
//
//*****************************************************************************
#define UDMA_CHANNEL_USBEP1RX 0
#define UDMA_CHANNEL_USBEP1TX 1
#define UDMA_CHANNEL_USBEP2RX 2
#define UDMA_CHANNEL_USBEP2TX 3
#define UDMA_CHANNEL_USBEP3RX 4
#define UDMA_CHANNEL_USBEP3TX 5
#define UDMA_CHANNEL_ETH0RX 6
#define UDMA_CHANNEL_ETH0TX 7
#define UDMA_CHANNEL_UART0RX 8
#define UDMA_CHANNEL_UART0TX 9
#define UDMA_CHANNEL_SSI0RX 10
#define UDMA_CHANNEL_SSI0TX 11
#define UDMA_CHANNEL_ADC0 14
#define UDMA_CHANNEL_ADC1 15
#define UDMA_CHANNEL_ADC2 16
#define UDMA_CHANNEL_ADC3 17
#define UDMA_CHANNEL_TMR0A 18
#define UDMA_CHANNEL_TMR0B 19
#define UDMA_CHANNEL_TMR1A 20
#define UDMA_CHANNEL_TMR1B 21
#define UDMA_CHANNEL_UART1RX 22
#define UDMA_CHANNEL_UART1TX 23
#define UDMA_CHANNEL_SSI1RX 24
#define UDMA_CHANNEL_SSI1TX 25
#define UDMA_CHANNEL_I2S0RX 28
#define UDMA_CHANNEL_I2S0TX 29
#define UDMA_CHANNEL_SW 30
//*****************************************************************************
//
// Flags to be OR'd with the channel ID to indicate if the primary or alternate
// control structure should be used.
//
//*****************************************************************************
#define UDMA_PRI_SELECT 0x00000000
#define UDMA_ALT_SELECT 0x00000020
//*****************************************************************************
//
// uDMA interrupt sources, to be passed to uDMAIntRegister() and
// uDMAIntUnregister().
//
//*****************************************************************************
#define UDMA_INT_SW 62
#define UDMA_INT_ERR 63
//*****************************************************************************
//
// Channel numbers to be passed to API functions that require a channel number
// ID. These are for secondary peripheral assignments.
//
//*****************************************************************************
#define UDMA_SEC_CHANNEL_UART2RX_0 \
0
#define UDMA_SEC_CHANNEL_UART2TX_1 \
1
#define UDMA_SEC_CHANNEL_TMR3A 2
#define UDMA_SEC_CHANNEL_TMR3B 3
#define UDMA_SEC_CHANNEL_TMR2A_4 \
4
#define UDMA_SEC_CHANNEL_TMR2B_5 \
5
#define UDMA_SEC_CHANNEL_TMR2A_6 \
6
#define UDMA_SEC_CHANNEL_TMR2B_7 \
7
#define UDMA_SEC_CHANNEL_UART1RX \
8
#define UDMA_SEC_CHANNEL_UART1TX \
9
#define UDMA_SEC_CHANNEL_SSI1RX 10
#define UDMA_SEC_CHANNEL_SSI1TX 11
#define UDMA_SEC_CHANNEL_UART2RX_12 \
12
#define UDMA_SEC_CHANNEL_UART2TX_13 \
13
#define UDMA_SEC_CHANNEL_TMR2A_14 \
14
#define UDMA_SEC_CHANNEL_TMR2B_15 \
15
#define UDMA_SEC_CHANNEL_TMR1A 18
#define UDMA_SEC_CHANNEL_TMR1B 19
#define UDMA_SEC_CHANNEL_EPI0RX 20
#define UDMA_SEC_CHANNEL_EPI0TX 21
#define UDMA_SEC_CHANNEL_ADC10 24
#define UDMA_SEC_CHANNEL_ADC11 25
#define UDMA_SEC_CHANNEL_ADC12 26
#define UDMA_SEC_CHANNEL_ADC13 27
#define UDMA_SEC_CHANNEL_SW 30
//*****************************************************************************
//
// uDMA default/secondary peripheral selections, to be passed to
// uDMAChannelSelectSecondary() and uDMAChannelSelectDefault().
//
//*****************************************************************************
#define UDMA_DEF_USBEP1RX_SEC_UART2RX \
0x00000001
#define UDMA_DEF_USBEP1TX_SEC_UART2TX \
0x00000002
#define UDMA_DEF_USBEP2RX_SEC_TMR3A \
0x00000004
#define UDMA_DEF_USBEP2TX_SEC_TMR3B \
0x00000008
#define UDMA_DEF_USBEP3RX_SEC_TMR2A \
0x00000010
#define UDMA_DEF_USBEP3TX_SEC_TMR2B \
0x00000020
#define UDMA_DEF_ETH0RX_SEC_TMR2A \
0x00000040
#define UDMA_DEF_ETH0TX_SEC_TMR2B \
0x00000080
#define UDMA_DEF_UART0RX_SEC_UART1RX \
0x00000100
#define UDMA_DEF_UART0TX_SEC_UART1TX \
0x00000200
#define UDMA_DEF_SSI0RX_SEC_SSI1RX \
0x00000400
#define UDMA_DEF_SSI0TX_SEC_SSI1TX \
0x00000800
#define UDMA_DEF_RESERVED_SEC_UART2RX \
0x00001000
#define UDMA_DEF_RESERVED_SEC_UART2TX \
0x00002000
#define UDMA_DEF_ADC00_SEC_TMR2A \
0x00004000
#define UDMA_DEF_ADC01_SEC_TMR2B \
0x00008000
#define UDMA_DEF_ADC02_SEC_RESERVED \
0x00010000
#define UDMA_DEF_ADC03_SEC_RESERVED \
0x00020000
#define UDMA_DEF_TMR0A_SEC_TMR1A \
0x00040000
#define UDMA_DEF_TMR0B_SEC_TMR1B \
0x00080000
#define UDMA_DEF_TMR1A_SEC_EPI0RX \
0x00100000
#define UDMA_DEF_TMR1B_SEC_EPI0TX \
0x00200000
#define UDMA_DEF_UART1RX_SEC_RESERVED \
0x00400000
#define UDMA_DEF_UART1TX_SEC_RESERVED \
0x00800000
#define UDMA_DEF_SSI1RX_SEC_ADC10 \
0x01000000
#define UDMA_DEF_SSI1TX_SEC_ADC11 \
0x02000000
#define UDMA_DEF_RESERVED_SEC_ADC12 \
0x04000000
#define UDMA_DEF_RESERVED_SEC_ADC13 \
0x08000000
#define UDMA_DEF_I2S0RX_SEC_RESERVED \
0x10000000
#define UDMA_DEF_I2S0TX_SEC_RESERVED \
0x20000000
//*****************************************************************************
//
// Values that can be passed to uDMAChannelAssign() to select peripheral
// mapping for each channel. The channels named RESERVED may be assigned
// to a peripheral in future parts.
//
//*****************************************************************************
//
// Channel 0
//
#define UDMA_CH0_USB0EP1RX 0x00000000
#define UDMA_CH0_UART2RX 0x00010000
#define UDMA_CH0_RESERVED2 0x00020000
#define UDMA_CH0_TIMER4A 0x00030000
#define UDMA_CH0_RESERVED4 0x00040000
//
// Channel 1
//
#define UDMA_CH1_USB0EP1TX 0x00000001
#define UDMA_CH1_UART2TX 0x00010001
#define UDMA_CH1_RESERVED2 0x00020001
#define UDMA_CH1_TIMER4B 0x00030001
#define UDMA_CH1_RESERVED4 0x00040001
//
// Channel 2
//
#define UDMA_CH2_USB0EP2RX 0x00000002
#define UDMA_CH2_TIMER3A 0x00010002
#define UDMA_CH2_RESERVED2 0x00020002
#define UDMA_CH2_RESERVED3 0x00030002
#define UDMA_CH2_RESERVED4 0x00040002
//
// Channel 3
//
#define UDMA_CH3_USB0EP2TX 0x00000003
#define UDMA_CH3_TIMER3B 0x00010003
#define UDMA_CH3_RESERVED2 0x00020003
#define UDMA_CH3_LPC0_3 0x00030003
#define UDMA_CH3_RESERVED4 0x00040003
//
// Channel 4
//
#define UDMA_CH4_USB0EP3RX 0x00000004
#define UDMA_CH4_TIMER2A 0x00010004
#define UDMA_CH4_RESERVED2 0x00020004
#define UDMA_CH4_GPIOA 0x00030004
#define UDMA_CH4_RESERVED4 0x00040004
//
// Channel 5
//
#define UDMA_CH5_USB0EP3TX 0x00000005
#define UDMA_CH5_TIMER2B 0x00010005
#define UDMA_CH5_RESERVED2 0x00020005
#define UDMA_CH5_GPIOB 0x00030005
#define UDMA_CH5_RESERVED4 0x00040005
//
// Channel 6
//
#define UDMA_CH6_RESERVED0 0x00000006
#define UDMA_CH6_TIMER2A 0x00010006
#define UDMA_CH6_UART5RX 0x00020006
#define UDMA_CH6_GPIOC 0x00030006
#define UDMA_CH6_I2C0RX 0x00040006
//
// Channel 7
//
#define UDMA_CH7_RESERVED0 0x00000007
#define UDMA_CH7_TIMER2B 0x00010007
#define UDMA_CH7_UART5TX 0x00020007
#define UDMA_CH7_GPIOD 0x00030007
#define UDMA_CH7_I2C0TX 0x00040007
//
// Channel 8
//
#define UDMA_CH8_UART0RX 0x00000008
#define UDMA_CH8_UART1RX 0x00010008
#define UDMA_CH8_RESERVED2 0x00020008
#define UDMA_CH8_TIMER5A 0x00030008
#define UDMA_CH8_I2C1RX 0x00040008
//
// Channel 9
//
#define UDMA_CH9_UART0TX 0x00000009
#define UDMA_CH9_UART1TX 0x00010009
#define UDMA_CH9_RESERVED2 0x00020009
#define UDMA_CH9_TIMER5B 0x00030009
#define UDMA_CH9_I2C1TX 0x00040009
//
// Channel 10
//
#define UDMA_CH10_SSI0RX 0x0000000A
#define UDMA_CH10_SSI1RX 0x0001000A
#define UDMA_CH10_UART6RX 0x0002000A
#define UDMA_CH10_WTIMER0A 0x0003000A
#define UDMA_CH10_I2C2RX 0x0004000A
//
// Channel 11
//
#define UDMA_CH11_SSI0TX 0x0000000B
#define UDMA_CH11_SSI1TX 0x0001000B
#define UDMA_CH11_UART6TX 0x0002000B
#define UDMA_CH11_WTIMER0B 0x0003000B
#define UDMA_CH11_I2C2TX 0x0004000B
//
// Channel 12
//
#define UDMA_CH12_RESERVED0 0x0000000C
#define UDMA_CH12_UART2RX 0x0001000C
#define UDMA_CH12_SSI2RX 0x0002000C
#define UDMA_CH12_WTIMER1A 0x0003000C
#define UDMA_CH12_GPIOK 0x0004000C
//
// Channel 13
//
#define UDMA_CH13_RESERVED0 0x0000000D
#define UDMA_CH13_UART2TX 0x0001000D
#define UDMA_CH13_SSI2TX 0x0002000D
#define UDMA_CH13_WTIMER1B 0x0003000D
#define UDMA_CH13_GPIOL 0x0004000D
//
// Channel 14
//
#define UDMA_CH14_ADC0_0 0x0000000E
#define UDMA_CH14_TIMER2A 0x0001000E
#define UDMA_CH14_SSI3RX 0x0002000E
#define UDMA_CH14_GPIOE 0x0003000E
#define UDMA_CH14_GPIOM 0x0004000E
//
// Channel 15
//
#define UDMA_CH15_ADC0_1 0x0000000F
#define UDMA_CH15_TIMER2B 0x0001000F
#define UDMA_CH15_SSI3TX 0x0002000F
#define UDMA_CH15_GPIOF 0x0003000F
#define UDMA_CH15_GPION 0x0004000F
//
// Channel 16
//
#define UDMA_CH16_ADC0_2 0x00000010
#define UDMA_CH16_RESERVED1 0x00010010
#define UDMA_CH16_UART3RX 0x00020010
#define UDMA_CH16_WTIMER2A 0x00030010
#define UDMA_CH16_GPIOP 0x00040010
//
// Channel 17
//
#define UDMA_CH17_ADC0_3 0x00000011
#define UDMA_CH17_RESERVED1 0x00010011
#define UDMA_CH17_UART3TX 0x00020011
#define UDMA_CH17_WTIMER2B 0x00030011
#define UDMA_CH17_RESERVED4 0x00040011
//
// Channel 18
//
#define UDMA_CH18_TIMER0A 0x00000012
#define UDMA_CH18_TIMER1A 0x00010012
#define UDMA_CH18_UART4RX 0x00020012
#define UDMA_CH18_GPIOB 0x00030012
#define UDMA_CH18_I2C3RX 0x00040012
//
// Channel 19
//
#define UDMA_CH19_TIMER0B 0x00000013
#define UDMA_CH19_TIMER1B 0x00010013
#define UDMA_CH19_UART4TX 0x00020013
#define UDMA_CH19_GPIOG 0x00030013
#define UDMA_CH19_I2C3TX 0x00040013
//
// Channel 20
//
#define UDMA_CH20_TIMER1A 0x00000014
#define UDMA_CH20_RESERVED1 0x00010014
#define UDMA_CH20_UART7RX 0x00020014
#define UDMA_CH20_GPIOH 0x00030014
#define UDMA_CH20_I2C4RX 0x00040014
//
// Channel 21
//
#define UDMA_CH21_TIMER1B 0x00000015
#define UDMA_CH21_RESERVED1 0x00010015
#define UDMA_CH21_UART7TX 0x00020015
#define UDMA_CH21_GPIOJ 0x00030015
#define UDMA_CH21_I2C4TX 0x00040015
//
// Channel 22
//
#define UDMA_CH22_UART1RX 0x00000016
#define UDMA_CH22_RESERVED1 0x00010016
#define UDMA_CH22_RESERVED2 0x00020016
#define UDMA_CH22_LPC0_2 0x00030016
#define UDMA_CH22_I2C5RX 0x00040016
//
// Channel 23
//
#define UDMA_CH23_UART1TX 0x00000017
#define UDMA_CH23_RESERVED1 0x00010017
#define UDMA_CH23_RESERVED2 0x00020017
#define UDMA_CH23_LPC0_1 0x00030017
#define UDMA_CH23_I2C5TX 0x00040017
//
// Channel 24
//
#define UDMA_CH24_SSI1RX 0x00000018
#define UDMA_CH24_ADC1_0 0x00010018
#define UDMA_CH24_RESERVED2 0x00020018
#define UDMA_CH24_WTIMER3A 0x00030018
#define UDMA_CH24_GPIOQ 0x00040018
//
// Channel 25
//
#define UDMA_CH25_SSI1TX 0x00000019
#define UDMA_CH25_ADC1_1 0x00010019
#define UDMA_CH25_RESERVED2 0x00020019
#define UDMA_CH25_WTIMER3B 0x00030019
#define UDMA_CH25_RESERVED4 0x00040019
//
// Channel 26
//
#define UDMA_CH26_RESERVED0 0x0000001A
#define UDMA_CH26_ADC1_2 0x0001001A
#define UDMA_CH26_RESERVED2 0x0002001A
#define UDMA_CH26_WTIMER4A 0x0003001A
#define UDMA_CH26_RESERVED4 0x0004001A
//
// Channel 27
//
#define UDMA_CH27_RESERVED0 0x0000001B
#define UDMA_CH27_ADC1_3 0x0001001B
#define UDMA_CH27_RESERVED2 0x0002001B
#define UDMA_CH27_WTIMER4B 0x0003001B
#define UDMA_CH27_RESERVED4 0x0004001B
//
// Channel 28
//
#define UDMA_CH28_RESERVED0 0x0000001C
#define UDMA_CH28_RESERVED1 0x0001001C
#define UDMA_CH28_RESERVED2 0x0002001C
#define UDMA_CH28_WTIMER5A 0x0003001C
#define UDMA_CH28_RESERVED4 0x0004001C
//
// Channel 29
//
#define UDMA_CH29_RESERVED0 0x0000001D
#define UDMA_CH29_RESERVED1 0x0001001D
#define UDMA_CH29_RESERVED2 0x0002001D
#define UDMA_CH29_WTIMER5B 0x0003001D
#define UDMA_CH29_RESERVED4 0x0004001D
//
// Channel 30
//
#define UDMA_CH30_SW 0x0000001E
#define UDMA_CH30_RESERVED1 0x0001001E
#define UDMA_CH30_RESERVED2 0x0002001E
#define UDMA_CH30_RESERVED3 0x0003001E
#define UDMA_CH30_RESERVED4 0x0004001E
//
// Channel 31
//
#define UDMA_CH31_RESERVED0 0x0000001F
#define UDMA_CH31_RESERVED1 0x0001001F
#define UDMA_CH31_RESERVED2 0x0002001F
#define UDMA_CH31_LPC0_0 0x0003001F
#define UDMA_CH31_RESERVED4 0x0004001F
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void uDMAEnable(void);
extern void uDMADisable(void);
extern uint32_t uDMAErrorStatusGet(void);
extern void uDMAErrorStatusClear(void);
extern void uDMAChannelEnable(uint32_t ui32ChannelNum);
extern void uDMAChannelDisable(uint32_t ui32ChannelNum);
extern bool uDMAChannelIsEnabled(uint32_t ui32ChannelNum);
extern void uDMAControlBaseSet(void *pControlTable);
extern void *uDMAControlBaseGet(void);
extern void *uDMAControlAlternateBaseGet(void);
extern void uDMAChannelRequest(uint32_t ui32ChannelNum);
extern void uDMAChannelAttributeEnable(uint32_t ui32ChannelNum,
uint32_t ui32Attr);
extern void uDMAChannelAttributeDisable(uint32_t ui32ChannelNum,
uint32_t ui32Attr);
extern uint32_t uDMAChannelAttributeGet(uint32_t ui32ChannelNum);
extern void uDMAChannelControlSet(uint32_t ui32ChannelStructIndex,
uint32_t ui32Control);
extern void uDMAChannelTransferSet(uint32_t ui32ChannelStructIndex,
uint32_t ui32Mode, void *pvSrcAddr,
void *pvDstAddr, uint32_t ui32TransferSize);
extern void uDMAChannelScatterGatherSet(uint32_t ui32ChannelNum,
uint32_t ui32TaskCount,
void *pvTaskList,
uint32_t ui32IsPeriphSG);
extern uint32_t uDMAChannelSizeGet(uint32_t ui32ChannelStructIndex);
extern uint32_t uDMAChannelModeGet(uint32_t ui32ChannelStructIndex);
extern void uDMAIntRegister(uint32_t ui32IntChannel, void (*pfnHandler)(void));
extern void uDMAIntUnregister(uint32_t ui32IntChannel);
extern void uDMAChannelSelectDefault(uint32_t ui32DefPeriphs);
extern void uDMAChannelSelectSecondary(uint32_t ui32SecPeriphs);
extern uint32_t uDMAIntStatus(void);
extern void uDMAIntClear(uint32_t ui32ChanMask);
extern void uDMAChannelAssign(uint32_t ui32Mapping);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_UDMA_H__

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//*****************************************************************************
//
// usb.h - Prototypes for the USB Interface Driver.
//
// Copyright (c) 2007-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_USB_H__
#define __DRIVERLIB_USB_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The following are values that can be passed to USBIntEnableControl() and
// USBIntDisableControl() as the ui32Flags parameter, and are returned from
// USBIntStatusControl().
//
//*****************************************************************************
#define USB_INTCTRL_ALL 0x000003FF // All control interrupt sources
#define USB_INTCTRL_STATUS 0x000000FF // Status Interrupts
#define USB_INTCTRL_VBUS_ERR 0x00000080 // VBUS Error
#define USB_INTCTRL_SESSION 0x00000040 // Session Start Detected
#define USB_INTCTRL_SESSION_END 0x00000040 // Session End Detected
#define USB_INTCTRL_DISCONNECT 0x00000020 // Disconnect Detected
#define USB_INTCTRL_CONNECT 0x00000010 // Device Connect Detected
#define USB_INTCTRL_SOF 0x00000008 // Start of Frame Detected
#define USB_INTCTRL_BABBLE 0x00000004 // Babble signaled
#define USB_INTCTRL_RESET 0x00000004 // Reset signaled
#define USB_INTCTRL_RESUME 0x00000002 // Resume detected
#define USB_INTCTRL_SUSPEND 0x00000001 // Suspend detected
#define USB_INTCTRL_MODE_DETECT 0x00000200 // Mode value valid
#define USB_INTCTRL_POWER_FAULT 0x00000100 // Power Fault detected
//*****************************************************************************
//
// The following are values that can be passed to USBIntEnableEndpoint() and
// USBIntDisableEndpoint() as the ui32Flags parameter, and are returned from
// USBIntStatusEndpoint().
//
//*****************************************************************************
#define USB_INTEP_ALL 0xFFFFFFFF // Host IN Interrupts
#define USB_INTEP_HOST_IN 0xFFFE0000 // Host IN Interrupts
#define USB_INTEP_HOST_IN_15 0x80000000 // Endpoint 15 Host IN Interrupt
#define USB_INTEP_HOST_IN_14 0x40000000 // Endpoint 14 Host IN Interrupt
#define USB_INTEP_HOST_IN_13 0x20000000 // Endpoint 13 Host IN Interrupt
#define USB_INTEP_HOST_IN_12 0x10000000 // Endpoint 12 Host IN Interrupt
#define USB_INTEP_HOST_IN_11 0x08000000 // Endpoint 11 Host IN Interrupt
#define USB_INTEP_HOST_IN_10 0x04000000 // Endpoint 10 Host IN Interrupt
#define USB_INTEP_HOST_IN_9 0x02000000 // Endpoint 9 Host IN Interrupt
#define USB_INTEP_HOST_IN_8 0x01000000 // Endpoint 8 Host IN Interrupt
#define USB_INTEP_HOST_IN_7 0x00800000 // Endpoint 7 Host IN Interrupt
#define USB_INTEP_HOST_IN_6 0x00400000 // Endpoint 6 Host IN Interrupt
#define USB_INTEP_HOST_IN_5 0x00200000 // Endpoint 5 Host IN Interrupt
#define USB_INTEP_HOST_IN_4 0x00100000 // Endpoint 4 Host IN Interrupt
#define USB_INTEP_HOST_IN_3 0x00080000 // Endpoint 3 Host IN Interrupt
#define USB_INTEP_HOST_IN_2 0x00040000 // Endpoint 2 Host IN Interrupt
#define USB_INTEP_HOST_IN_1 0x00020000 // Endpoint 1 Host IN Interrupt
#define USB_INTEP_DEV_OUT 0xFFFE0000 // Device OUT Interrupts
#define USB_INTEP_DEV_OUT_15 0x80000000 // Endpoint 15 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_14 0x40000000 // Endpoint 14 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_13 0x20000000 // Endpoint 13 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_12 0x10000000 // Endpoint 12 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_11 0x08000000 // Endpoint 11 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_10 0x04000000 // Endpoint 10 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_9 0x02000000 // Endpoint 9 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_8 0x01000000 // Endpoint 8 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_7 0x00800000 // Endpoint 7 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_6 0x00400000 // Endpoint 6 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_5 0x00200000 // Endpoint 5 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_4 0x00100000 // Endpoint 4 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_3 0x00080000 // Endpoint 3 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_2 0x00040000 // Endpoint 2 Device OUT Interrupt
#define USB_INTEP_DEV_OUT_1 0x00020000 // Endpoint 1 Device OUT Interrupt
#define USB_INTEP_HOST_OUT 0x0000FFFE // Host OUT Interrupts
#define USB_INTEP_HOST_OUT_15 0x00008000 // Endpoint 15 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_14 0x00004000 // Endpoint 14 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_13 0x00002000 // Endpoint 13 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_12 0x00001000 // Endpoint 12 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_11 0x00000800 // Endpoint 11 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_10 0x00000400 // Endpoint 10 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_9 0x00000200 // Endpoint 9 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_8 0x00000100 // Endpoint 8 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_7 0x00000080 // Endpoint 7 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_6 0x00000040 // Endpoint 6 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_5 0x00000020 // Endpoint 5 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_4 0x00000010 // Endpoint 4 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_3 0x00000008 // Endpoint 3 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_2 0x00000004 // Endpoint 2 Host OUT Interrupt
#define USB_INTEP_HOST_OUT_1 0x00000002 // Endpoint 1 Host OUT Interrupt
#define USB_INTEP_DEV_IN 0x0000FFFE // Device IN Interrupts
#define USB_INTEP_DEV_IN_15 0x00008000 // Endpoint 15 Device IN Interrupt
#define USB_INTEP_DEV_IN_14 0x00004000 // Endpoint 14 Device IN Interrupt
#define USB_INTEP_DEV_IN_13 0x00002000 // Endpoint 13 Device IN Interrupt
#define USB_INTEP_DEV_IN_12 0x00001000 // Endpoint 12 Device IN Interrupt
#define USB_INTEP_DEV_IN_11 0x00000800 // Endpoint 11 Device IN Interrupt
#define USB_INTEP_DEV_IN_10 0x00000400 // Endpoint 10 Device IN Interrupt
#define USB_INTEP_DEV_IN_9 0x00000200 // Endpoint 9 Device IN Interrupt
#define USB_INTEP_DEV_IN_8 0x00000100 // Endpoint 8 Device IN Interrupt
#define USB_INTEP_DEV_IN_7 0x00000080 // Endpoint 7 Device IN Interrupt
#define USB_INTEP_DEV_IN_6 0x00000040 // Endpoint 6 Device IN Interrupt
#define USB_INTEP_DEV_IN_5 0x00000020 // Endpoint 5 Device IN Interrupt
#define USB_INTEP_DEV_IN_4 0x00000010 // Endpoint 4 Device IN Interrupt
#define USB_INTEP_DEV_IN_3 0x00000008 // Endpoint 3 Device IN Interrupt
#define USB_INTEP_DEV_IN_2 0x00000004 // Endpoint 2 Device IN Interrupt
#define USB_INTEP_DEV_IN_1 0x00000002 // Endpoint 1 Device IN Interrupt
#define USB_INTEP_0 0x00000001 // Endpoint 0 Interrupt
//*****************************************************************************
//
// The following are values that are returned from USBSpeedGet().
//
//*****************************************************************************
#define USB_UNDEF_SPEED 0x80000000 // Current speed is undefined
#define USB_FULL_SPEED 0x00000001 // Current speed is Full Speed
#define USB_LOW_SPEED 0x00000000 // Current speed is Low Speed
//*****************************************************************************
//
// The following are values that are returned from USBEndpointStatus(). The
// USB_HOST_* values are used when the USB controller is in host mode and the
// USB_DEV_* values are used when the USB controller is in device mode.
//
//*****************************************************************************
#define USB_HOST_IN_STATUS 0xFFFF0000 // Mask of all host IN interrupts
#define USB_HOST_IN_PID_ERROR 0x10000000 // Stall on this endpoint received
#define USB_HOST_IN_NOT_COMP 0x01000000 // Device failed to respond
#define USB_HOST_IN_STALL 0x00400000 // Stall on this endpoint received
#define USB_HOST_IN_DATA_ERROR 0x00080000 // CRC or bit-stuff error
// (ISOC Mode)
#define USB_HOST_IN_NAK_TO 0x00080000 // NAK received for more than the
// specified timeout period
#define USB_HOST_IN_ERROR 0x00040000 // Failed to communicate with a
// device
#define USB_HOST_IN_FIFO_FULL 0x00020000 // RX FIFO full
#define USB_HOST_IN_PKTRDY 0x00010000 // Data packet ready
#define USB_HOST_OUT_STATUS 0x0000FFFF // Mask of all host OUT interrupts
#define USB_HOST_OUT_NAK_TO 0x00000080 // NAK received for more than the
// specified timeout period
#define USB_HOST_OUT_NOT_COMP 0x00000080 // No response from device
// (ISOC mode)
#define USB_HOST_OUT_STALL 0x00000020 // Stall on this endpoint received
#define USB_HOST_OUT_ERROR 0x00000004 // Failed to communicate with a
// device
#define USB_HOST_OUT_FIFO_NE 0x00000002 // TX FIFO is not empty
#define USB_HOST_OUT_PKTPEND 0x00000001 // Transmit still being transmitted
#define USB_HOST_EP0_NAK_TO 0x00000080 // NAK received for more than the
// specified timeout period
#define USB_HOST_EP0_STATUS 0x00000040 // This was a status packet
#define USB_HOST_EP0_ERROR 0x00000010 // Failed to communicate with a
// device
#define USB_HOST_EP0_RX_STALL 0x00000004 // Stall on this endpoint received
#define USB_HOST_EP0_RXPKTRDY 0x00000001 // Receive data packet ready
#define USB_DEV_RX_PID_ERROR 0x01000000 // PID error in isochronous
// transfer
#define USB_DEV_RX_SENT_STALL 0x00400000 // Stall was sent on this endpoint
#define USB_DEV_RX_DATA_ERROR 0x00080000 // CRC error on the data
#define USB_DEV_RX_OVERRUN 0x00040000 // OUT packet was not loaded due to
// a full FIFO
#define USB_DEV_RX_FIFO_FULL 0x00020000 // RX FIFO full
#define USB_DEV_RX_PKT_RDY 0x00010000 // Data packet ready
#define USB_DEV_TX_NOT_COMP 0x00000080 // Large packet split up, more data
// to come
#define USB_DEV_TX_SENT_STALL 0x00000020 // Stall was sent on this endpoint
#define USB_DEV_TX_UNDERRUN 0x00000004 // IN received with no data ready
#define USB_DEV_TX_FIFO_NE 0x00000002 // The TX FIFO is not empty
#define USB_DEV_TX_TXPKTRDY 0x00000001 // Transmit still being transmitted
#define USB_DEV_EP0_SETUP_END 0x00000010 // Control transaction ended before
// Data End seen
#define USB_DEV_EP0_SENT_STALL 0x00000004 // Stall was sent on this endpoint
#define USB_DEV_EP0_IN_PKTPEND 0x00000002 // Transmit data packet pending
#define USB_DEV_EP0_OUT_PKTRDY 0x00000001 // Receive data packet ready
//*****************************************************************************
//
// The following are values that can be passed to USBHostEndpointConfig() and
// USBDevEndpointConfigSet() as the ui32Flags parameter.
//
//*****************************************************************************
#define USB_EP_AUTO_SET 0x00000001 // Auto set feature enabled
#define USB_EP_AUTO_REQUEST 0x00000002 // Auto request feature enabled
#define USB_EP_AUTO_CLEAR 0x00000004 // Auto clear feature enabled
#define USB_EP_DMA_MODE_0 0x00000008 // Enable DMA access using mode 0
#define USB_EP_DMA_MODE_1 0x00000010 // Enable DMA access using mode 1
#define USB_EP_MODE_ISOC 0x00000000 // Isochronous endpoint
#define USB_EP_MODE_BULK 0x00000100 // Bulk endpoint
#define USB_EP_MODE_INT 0x00000200 // Interrupt endpoint
#define USB_EP_MODE_CTRL 0x00000300 // Control endpoint
#define USB_EP_MODE_MASK 0x00000300 // Mode Mask
#define USB_EP_SPEED_LOW 0x00000000 // Low Speed
#define USB_EP_SPEED_FULL 0x00001000 // Full Speed
#define USB_EP_HOST_IN 0x00000000 // Host IN endpoint
#define USB_EP_HOST_OUT 0x00002000 // Host OUT endpoint
#define USB_EP_DEV_IN 0x00002000 // Device IN endpoint
#define USB_EP_DEV_OUT 0x00000000 // Device OUT endpoint
//*****************************************************************************
//
// The following are values that can be passed to USBHostPwrConfig() as the
// ui32Flags parameter.
//
//*****************************************************************************
#define USB_HOST_PWRFLT_LOW 0x00000010
#define USB_HOST_PWRFLT_HIGH 0x00000030
#define USB_HOST_PWRFLT_EP_NONE 0x00000000
#define USB_HOST_PWRFLT_EP_TRI 0x00000140
#define USB_HOST_PWRFLT_EP_LOW 0x00000240
#define USB_HOST_PWRFLT_EP_HIGH 0x00000340
#define USB_HOST_PWREN_MAN_LOW 0x00000000
#define USB_HOST_PWREN_MAN_HIGH 0x00000001
#define USB_HOST_PWREN_AUTOLOW 0x00000002
#define USB_HOST_PWREN_AUTOHIGH 0x00000003
#define USB_HOST_PWREN_FILTER 0x00010000
//*****************************************************************************
//
// The following are special values that can be passed to
// USBHostEndpointConfig() as the ui32NAKPollInterval parameter.
//
//*****************************************************************************
#define MAX_NAK_LIMIT 31 // Maximum NAK interval
#define DISABLE_NAK_LIMIT 0 // No NAK timeouts
//*****************************************************************************
//
// This value specifies the maximum size of transfers on endpoint 0 as 64
// bytes. This value is fixed in hardware as the FIFO size for endpoint 0.
//
//*****************************************************************************
#define MAX_PACKET_SIZE_EP0 64
//*****************************************************************************
//
// These values are used to indicate which endpoint to access.
//
//*****************************************************************************
#define USB_EP_0 0x00000000 // Endpoint 0
#define USB_EP_1 0x00000010 // Endpoint 1
#define USB_EP_2 0x00000020 // Endpoint 2
#define USB_EP_3 0x00000030 // Endpoint 3
#define USB_EP_4 0x00000040 // Endpoint 4
#define USB_EP_5 0x00000050 // Endpoint 5
#define USB_EP_6 0x00000060 // Endpoint 6
#define USB_EP_7 0x00000070 // Endpoint 7
#define NUM_USB_EP 8 // Number of supported endpoints
//*****************************************************************************
//
// These macros allow conversion between 0-based endpoint indices and the
// USB_EP_x values required when calling various USB APIs.
//
//*****************************************************************************
#define IndexToUSBEP(x) ((x) << 4)
#define USBEPToIndex(x) ((x) >> 4)
//*****************************************************************************
//
// The following are values that can be passed to USBFIFOConfigSet() as the
// ui32FIFOSize parameter.
//
//*****************************************************************************
#define USB_FIFO_SZ_8 0x00000000 // 8 byte FIFO
#define USB_FIFO_SZ_16 0x00000001 // 16 byte FIFO
#define USB_FIFO_SZ_32 0x00000002 // 32 byte FIFO
#define USB_FIFO_SZ_64 0x00000003 // 64 byte FIFO
#define USB_FIFO_SZ_128 0x00000004 // 128 byte FIFO
#define USB_FIFO_SZ_256 0x00000005 // 256 byte FIFO
#define USB_FIFO_SZ_512 0x00000006 // 512 byte FIFO
#define USB_FIFO_SZ_1024 0x00000007 // 1024 byte FIFO
#define USB_FIFO_SZ_2048 0x00000008 // 2048 byte FIFO
//*****************************************************************************
//
// This macro allow conversion from a FIFO size label as defined above to
// a number of bytes
//
//*****************************************************************************
#define USBFIFOSizeToBytes(x) (8 << (x))
//*****************************************************************************
//
// The following are values that can be passed to USBEndpointDataSend() as the
// ui32TransType parameter.
//
//*****************************************************************************
#define USB_TRANS_OUT 0x00000102 // Normal OUT transaction
#define USB_TRANS_IN 0x00000102 // Normal IN transaction
#define USB_TRANS_IN_LAST 0x0000010a // Final IN transaction (for
// endpoint 0 in device mode)
#define USB_TRANS_SETUP 0x0000110a // Setup transaction (for endpoint
// 0)
#define USB_TRANS_STATUS 0x00000142 // Status transaction (for endpoint
// 0)
//*****************************************************************************
//
// The following are values are returned by the USBModeGet function.
//
//*****************************************************************************
#define USB_DUAL_MODE_HOST 0x00000001 // Dual mode controller is in Host
// mode.
#define USB_DUAL_MODE_DEVICE 0x00000081 // Dual mode controller is in
// Device mode.
#define USB_DUAL_MODE_NONE 0x00000080 // Dual mode controller mode is not
// set.
#define USB_OTG_MODE_ASIDE_HOST 0x0000001d // OTG controller on the A side of
// the cable.
#define USB_OTG_MODE_ASIDE_NPWR 0x00000001 // OTG controller on the A side of
// the cable.
#define USB_OTG_MODE_ASIDE_SESS 0x00000009 // OTG controller on the A side of
// the cable Session Valid.
#define USB_OTG_MODE_ASIDE_AVAL 0x00000011 // OTG controller on the A side of
// the cable A valid.
#define USB_OTG_MODE_ASIDE_DEV 0x00000019 // OTG controller on the A side of
// the cable.
#define USB_OTG_MODE_BSIDE_HOST 0x0000009d // OTG controller on the B side of
// the cable.
#define USB_OTG_MODE_BSIDE_DEV 0x00000099 // OTG controller on the B side of
// the cable.
#define USB_OTG_MODE_BSIDE_NPWR 0x00000081 // OTG controller on the B side of
// the cable.
#define USB_OTG_MODE_NONE 0x00000080 // OTG controller mode is not set.
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern uint32_t USBDevAddrGet(uint32_t ui32Base);
extern void USBDevAddrSet(uint32_t ui32Base, uint32_t ui32Address);
extern void USBDevConnect(uint32_t ui32Base);
extern void USBDevDisconnect(uint32_t ui32Base);
extern void USBDevEndpointConfigSet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32MaxPacketSize,
uint32_t ui32Flags);
extern void USBDevEndpointConfigGet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t *pui32MaxPacketSize,
uint32_t *pui32Flags);
extern void USBDevEndpointDataAck(uint32_t ui32Base, uint32_t ui32Endpoint,
bool bIsLastPacket);
extern void USBDevEndpointStall(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBDevEndpointStallClear(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBDevEndpointStatusClear(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern uint32_t USBEndpointDataAvail(uint32_t ui32Base, uint32_t ui32Endpoint);
extern void USBEndpointDMAEnable(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBEndpointDMADisable(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBEndpointDMAConfigSet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Config);
extern int32_t USBEndpointDataGet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint8_t *pui8Data, uint32_t *pui32Size);
extern int32_t USBEndpointDataPut(uint32_t ui32Base, uint32_t ui32Endpoint,
uint8_t *pui8Data, uint32_t ui32Size);
extern int32_t USBEndpointDataSend(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32TransType);
extern void USBEndpointDataToggleClear(uint32_t ui32Base,
uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBEndpointPacketCountSet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Count);
extern uint32_t USBEndpointStatus(uint32_t ui32Base, uint32_t ui32Endpoint);
extern uint32_t USBFIFOAddrGet(uint32_t ui32Base, uint32_t ui32Endpoint);
extern void USBFIFOConfigGet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t *pui32FIFOAddress,
uint32_t *pui32FIFOSize, uint32_t ui32Flags);
extern void USBFIFOConfigSet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32FIFOAddress, uint32_t ui32FIFOSize,
uint32_t ui32Flags);
extern void USBFIFOFlush(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern uint32_t USBFrameNumberGet(uint32_t ui32Base);
extern uint32_t USBHostAddrGet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBHostAddrSet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Addr, uint32_t ui32Flags);
extern void USBHostEndpointConfig(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32MaxPacketSize,
uint32_t ui32NAKPollInterval,
uint32_t ui32TargetEndpoint,
uint32_t ui32Flags);
extern void USBHostEndpointDataAck(uint32_t ui32Base,
uint32_t ui32Endpoint);
extern void USBHostEndpointDataToggle(uint32_t ui32Base, uint32_t ui32Endpoint,
bool bDataToggle, uint32_t ui32Flags);
extern void USBHostEndpointStatusClear(uint32_t ui32Base,
uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern uint32_t USBHostHubAddrGet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Flags);
extern void USBHostHubAddrSet(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Addr, uint32_t ui32Flags);
extern void USBHostPwrDisable(uint32_t ui32Base);
extern void USBHostPwrEnable(uint32_t ui32Base);
extern void USBHostPwrConfig(uint32_t ui32Base, uint32_t ui32Flags);
extern void USBHostPwrFaultDisable(uint32_t ui32Base);
extern void USBHostPwrFaultEnable(uint32_t ui32Base);
extern void USBHostRequestIN(uint32_t ui32Base, uint32_t ui32Endpoint);
extern void USBHostRequestINClear(uint32_t ui32Base, uint32_t ui32Endpoint);
extern void USBHostRequestStatus(uint32_t ui32Base);
extern void USBHostReset(uint32_t ui32Base, bool bStart);
extern void USBHostResume(uint32_t ui32Base, bool bStart);
extern uint32_t USBHostSpeedGet(uint32_t ui32Base);
extern void USBHostSuspend(uint32_t ui32Base);
extern void USBIntDisableControl(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void USBIntEnableControl(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t USBIntStatusControl(uint32_t ui32Base);
extern void USBIntDisableEndpoint(uint32_t ui32Base, uint32_t ui32IntFlags);
extern void USBIntEnableEndpoint(uint32_t ui32Base, uint32_t ui32IntFlags);
extern uint32_t USBIntStatusEndpoint(uint32_t ui32Base);
extern void USBIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern void USBIntUnregister(uint32_t ui32Base);
extern void USBOTGSessionRequest(uint32_t ui32Base, bool bStart);
extern uint32_t USBModeGet(uint32_t ui32Base);
extern void USBEndpointDMAChannel(uint32_t ui32Base, uint32_t ui32Endpoint,
uint32_t ui32Channel);
extern void USBHostMode(uint32_t ui32Base);
extern void USBDevMode(uint32_t ui32Base);
extern void USBOTGMode(uint32_t ui32Base);
extern void USBPHYPowerOff(uint32_t ui32Base);
extern void USBPHYPowerOn(uint32_t ui32Base);
extern uint32_t USBNumEndpointsGet(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_USB_H__

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@ -0,0 +1,618 @@
//*****************************************************************************
//
// watchdog.c - Driver for the Watchdog Timer Module.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
//*****************************************************************************
//
//! \addtogroup watchdog_api
//! @{
//
//*****************************************************************************
#include <stdbool.h>
#include <stdint.h>
#include "inc/hw_ints.h"
#include "inc/hw_memmap.h"
#include "inc/hw_types.h"
#include "inc/hw_watchdog.h"
#include "driverlib/debug.h"
#include "driverlib/interrupt.h"
#include "driverlib/watchdog.h"
//*****************************************************************************
//
//! Determines if the watchdog timer is enabled.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function checks to see if the watchdog timer is enabled.
//!
//! \return Returns \b true if the watchdog timer is enabled and \b false
//! if it is not.
//
//*****************************************************************************
bool
WatchdogRunning(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// See if the watchdog timer module is enabled, and return.
//
return(HWREG(ui32Base + WDT_O_CTL) & WDT_CTL_INTEN);
}
//*****************************************************************************
//
//! Enables the watchdog timer.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function enables the watchdog timer counter and interrupt.
//!
//! \note This function has no effect if the watchdog timer has been locked.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Enable the watchdog timer module.
//
HWREG(ui32Base + WDT_O_CTL) |= WDT_CTL_INTEN;
}
//*****************************************************************************
//
//! Enables the watchdog timer reset.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function enables the capability of the watchdog timer to issue a reset
//! to the processor after a second timeout condition.
//!
//! \note This function has no effect if the watchdog timer has been locked.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogResetEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Enable the watchdog reset.
//
HWREG(ui32Base + WDT_O_CTL) |= WDT_CTL_RESEN;
}
//*****************************************************************************
//
//! Disables the watchdog timer reset.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function disables the capability of the watchdog timer to issue a
//! reset to the processor after a second timeout condition.
//!
//! \note This function has no effect if the watchdog timer has been locked.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogResetDisable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Disable the watchdog reset.
//
HWREG(ui32Base + WDT_O_CTL) &= ~(WDT_CTL_RESEN);
}
//*****************************************************************************
//
//! Enables the watchdog timer lock mechanism.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function locks out write access to the watchdog timer configuration
//! registers.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogLock(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Lock out watchdog register writes. Writing anything to the WDT_O_LOCK
// register causes the lock to go into effect.
//
HWREG(ui32Base + WDT_O_LOCK) = WDT_LOCK_LOCKED;
}
//*****************************************************************************
//
//! Disables the watchdog timer lock mechanism.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function enables write access to the watchdog timer configuration
//! registers.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogUnlock(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Unlock watchdog register writes.
//
HWREG(ui32Base + WDT_O_LOCK) = WDT_LOCK_UNLOCK;
}
//*****************************************************************************
//
//! Gets the state of the watchdog timer lock mechanism.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function returns the lock state of the watchdog timer registers.
//!
//! \return Returns \b true if the watchdog timer registers are locked, and
//! \b false if they are not locked.
//
//*****************************************************************************
bool
WatchdogLockState(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Get the lock state.
//
return((HWREG(ui32Base + WDT_O_LOCK) == WDT_LOCK_LOCKED) ? true : false);
}
//*****************************************************************************
//
//! Sets the watchdog timer reload value.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//! \param ui32LoadVal is the load value for the watchdog timer.
//!
//! This function configures the value to load into the watchdog timer when the
//! count reaches zero for the first time; if the watchdog timer is running
//! when this function is called, then the value is immediately loaded into the
//! watchdog timer counter. If the \e ui32LoadVal parameter is 0, then an
//! interrupt is immediately generated.
//!
//! \note This function has no effect if the watchdog timer has been locked.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogReloadSet(uint32_t ui32Base, uint32_t ui32LoadVal)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Set the load register.
//
HWREG(ui32Base + WDT_O_LOAD) = ui32LoadVal;
}
//*****************************************************************************
//
//! Gets the watchdog timer reload value.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function gets the value that is loaded into the watchdog timer when
//! the count reaches zero for the first time.
//!
//! \return None.
//
//*****************************************************************************
uint32_t
WatchdogReloadGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Get the load register.
//
return(HWREG(ui32Base + WDT_O_LOAD));
}
//*****************************************************************************
//
//! Gets the current watchdog timer value.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function reads the current value of the watchdog timer.
//!
//! \return Returns the current value of the watchdog timer.
//
//*****************************************************************************
uint32_t
WatchdogValueGet(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Get the current watchdog timer register value.
//
return(HWREG(ui32Base + WDT_O_VALUE));
}
//*****************************************************************************
//
//! Registers an interrupt handler for the watchdog timer interrupt.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//! \param pfnHandler is a pointer to the function to be called when the
//! watchdog timer interrupt occurs.
//!
//! This function does the actual registering of the interrupt handler. This
//! function also enables the global interrupt in the interrupt controller; the
//! watchdog timer interrupt must be enabled via WatchdogEnable(). It is the
//! interrupt handler's responsibility to clear the interrupt source via
//! WatchdogIntClear().
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \note For parts with a watchdog timer module that has the ability to
//! generate an NMI instead of a standard interrupt, this function registers
//! the standard watchdog interrupt handler. To register the NMI watchdog
//! handler, use IntRegister() to register the handler for the
//! \b FAULT_NMI interrupt.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogIntRegister(uint32_t ui32Base, void (*pfnHandler)(void))
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Register the interrupt handler.
//
IntRegister(INT_WATCHDOG_BLIZZARD, pfnHandler);
//
// Enable the watchdog timer interrupt.
//
IntEnable(INT_WATCHDOG_BLIZZARD);
}
//*****************************************************************************
//
//! Unregisters an interrupt handler for the watchdog timer interrupt.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function does the actual unregistering of the interrupt handler. This
//! function clears the handler to be called when a watchdog timer interrupt
//! occurs. This function also masks off the interrupt in the interrupt
//! controller so that the interrupt handler no longer is called.
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \note For parts with a watchdog timer module that has the ability to
//! generate an NMI instead of a standard interrupt, this function unregisters
//! the standard watchdog interrupt handler. To unregister the NMI watchdog
//! handler, use IntUnregister() to unregister the handler for the
//! \b FAULT_NMI interrupt.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogIntUnregister(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Disable the interrupt.
//
IntDisable(INT_WATCHDOG_BLIZZARD);
//
// Unregister the interrupt handler.
//
IntUnregister(INT_WATCHDOG_BLIZZARD);
}
//*****************************************************************************
//
//! Enables the watchdog timer interrupt.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function enables the watchdog timer interrupt.
//!
//! \note This function has no effect if the watchdog timer has been locked.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogIntEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Enable the watchdog interrupt.
//
HWREG(ui32Base + WDT_O_CTL) |= WDT_CTL_INTEN;
}
//*****************************************************************************
//
//! Gets the current watchdog timer interrupt status.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//! \param bMasked is \b false if the raw interrupt status is required and
//! \b true if the masked interrupt status is required.
//!
//! This function returns the interrupt status for the watchdog timer module.
//! Either the raw interrupt status or the status of interrupt that is allowed
//! to reflect to the processor can be returned.
//!
//! \return Returns the current interrupt status, where a 1 indicates that the
//! watchdog interrupt is active, and a 0 indicates that it is not active.
//
//*****************************************************************************
uint32_t
WatchdogIntStatus(uint32_t ui32Base, bool bMasked)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Return either the interrupt status or the raw interrupt status as
// requested.
//
if(bMasked)
{
return(HWREG(ui32Base + WDT_O_MIS));
}
else
{
return(HWREG(ui32Base + WDT_O_RIS));
}
}
//*****************************************************************************
//
//! Clears the watchdog timer interrupt.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! The watchdog timer interrupt source is cleared, so that it no longer
//! asserts.
//!
//! \note Because there is a write buffer in the Cortex-M processor, it may
//! take several clock cycles before the interrupt source is actually cleared.
//! Therefore, it is recommended that the interrupt source be cleared early in
//! the interrupt handler (as opposed to the very last action) to avoid
//! returning from the interrupt handler before the interrupt source is
//! actually cleared. Failure to do so may result in the interrupt handler
//! being immediately reentered (because the interrupt controller still sees
//! the interrupt source asserted).
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogIntClear(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Clear the interrupt source.
//
HWREG(ui32Base + WDT_O_ICR) = WDT_RIS_WDTRIS;
}
//*****************************************************************************
//
//! Sets the type of interrupt generated by the watchdog.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//! \param ui32Type is the type of interrupt to generate.
//!
//! This function sets the type of interrupt that is generated if the watchdog
//! timer expires. \e ui32Type can be either \b WATCHDOG_INT_TYPE_INT to
//! generate a standard interrupt (the default) or \b WATCHDOG_INT_TYPE_NMI to
//! generate a non-maskable interrupt (NMI).
//!
//! When configured to generate an NMI, the watchdog interrupt must still be
//! enabled with WatchdogIntEnable(), and it must still be cleared inside the
//! NMI handler with WatchdogIntClear().
//!
//! \note The ability to select an NMI interrupt varies with the Tiva part
//! in use. Please consult the datasheet for the part you are using to
//! determine whether this support is available.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogIntTypeSet(uint32_t ui32Base, uint32_t ui32Type)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
ASSERT((ui32Type == WATCHDOG_INT_TYPE_INT) ||
(ui32Type == WATCHDOG_INT_TYPE_NMI));
//
// Set the interrupt type.
//
HWREG(ui32Base + WDT_O_CTL) = (HWREG(ui32Base + WDT_O_CTL) &
~WDT_CTL_INTTYPE) | ui32Type;
}
//*****************************************************************************
//
//! Enables stalling of the watchdog timer during debug events.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function allows the watchdog timer to stop counting when the processor
//! is stopped by the debugger. By doing so, the watchdog is prevented from
//! expiring (typically almost immediately from a human time perspective) and
//! resetting the system (if reset is enabled). The watchdog instead expires
//! after the appropriate number of processor cycles have been executed while
//! debugging (or at the appropriate time after the processor has been
//! restarted).
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogStallEnable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Enable timer stalling.
//
HWREG(ui32Base + WDT_O_TEST) |= WDT_TEST_STALL;
}
//*****************************************************************************
//
//! Disables stalling of the watchdog timer during debug events.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//!
//! This function disables the debug mode stall of the watchdog timer. By
//! doing so, the watchdog timer continues to count regardless of the processor
//! debug state.
//!
//! \return None.
//
//*****************************************************************************
void
WatchdogStallDisable(uint32_t ui32Base)
{
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Disable timer stalling.
//
HWREG(ui32Base + WDT_O_TEST) &= ~(WDT_TEST_STALL);
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************

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//*****************************************************************************
//
// watchdog.h - Prototypes for the Watchdog Timer API
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Peripheral Driver Library.
//
//*****************************************************************************
#ifndef __DRIVERLIB_WATCHDOG_H__
#define __DRIVERLIB_WATCHDOG_H__
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
//*****************************************************************************
//
// The type of interrupt that can be generated by the watchdog.
//
//*****************************************************************************
#define WATCHDOG_INT_TYPE_INT 0x00000000
#define WATCHDOG_INT_TYPE_NMI 0x00000004
//*****************************************************************************
//
// Prototypes for the APIs.
//
//*****************************************************************************
extern bool WatchdogRunning(uint32_t ui32Base);
extern void WatchdogEnable(uint32_t ui32Base);
extern void WatchdogResetEnable(uint32_t ui32Base);
extern void WatchdogResetDisable(uint32_t ui32Base);
extern void WatchdogLock(uint32_t ui32Base);
extern void WatchdogUnlock(uint32_t ui32Base);
extern bool WatchdogLockState(uint32_t ui32Base);
extern void WatchdogReloadSet(uint32_t ui32Base, uint32_t ui32LoadVal);
extern uint32_t WatchdogReloadGet(uint32_t ui32Base);
extern uint32_t WatchdogValueGet(uint32_t ui32Base);
extern void WatchdogIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
extern void WatchdogIntUnregister(uint32_t ui32Base);
extern void WatchdogIntEnable(uint32_t ui32Base);
extern uint32_t WatchdogIntStatus(uint32_t ui32Base, bool bMasked);
extern void WatchdogIntClear(uint32_t ui32Base);
extern void WatchdogIntTypeSet(uint32_t ui32Base, uint32_t ui32Type);
extern void WatchdogStallEnable(uint32_t ui32Base);
extern void WatchdogStallDisable(uint32_t ui32Base);
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
#endif // __DRIVERLIB_WATCHDOG_H__

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//*****************************************************************************
//
// asmdefs.h - Macros to allow assembly code be portable among toolchains.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __ASMDEFS_H__
#define __ASMDEFS_H__
//*****************************************************************************
//
// The defines required for code_red.
//
//*****************************************************************************
#ifdef codered
//
// The assembly code preamble required to put the assembler into the correct
// configuration.
//
.syntax unified
.thumb
//
// Section headers.
//
#define __LIBRARY__ @
#define __TEXT__ .text
#define __DATA__ .data
#define __BSS__ .bss
#define __TEXT_NOROOT__ .text
//
// Assembler nmenonics.
//
#define __ALIGN__ .balign 4
#define __END__ .end
#define __EXPORT__ .globl
#define __IMPORT__ .extern
#define __LABEL__ :
#define __STR__ .ascii
#define __THUMB_LABEL__ .thumb_func
#define __WORD__ .word
#define __INLINE_DATA__
#endif // codered
//*****************************************************************************
//
// The defines required for EW-ARM.
//
//*****************************************************************************
#ifdef ewarm
//
// Section headers.
//
#define __LIBRARY__ module
#define __TEXT__ rseg CODE:CODE(2)
#define __DATA__ rseg DATA:DATA(2)
#define __BSS__ rseg DATA:DATA(2)
#define __TEXT_NOROOT__ rseg CODE:CODE:NOROOT(2)
//
// Assembler nmenonics.
//
#define __ALIGN__ alignrom 2
#define __END__ end
#define __EXPORT__ export
#define __IMPORT__ import
#define __LABEL__
#define __STR__ dcb
#define __THUMB_LABEL__ thumb
#define __WORD__ dcd
#define __INLINE_DATA__ data
#endif // ewarm
//*****************************************************************************
//
// The defines required for GCC.
//
//*****************************************************************************
#if defined(gcc)
//
// The assembly code preamble required to put the assembler into the correct
// configuration.
//
.syntax unified
.thumb
//
// Section headers.
//
#define __LIBRARY__ @
#define __TEXT__ .text
#define __DATA__ .data
#define __BSS__ .bss
#define __TEXT_NOROOT__ .text
//
// Assembler nmenonics.
//
#define __ALIGN__ .balign 4
#define __END__ .end
#define __EXPORT__ .globl
#define __IMPORT__ .extern
#define __LABEL__ :
#define __STR__ .ascii
#define __THUMB_LABEL__ .thumb_func
#define __WORD__ .word
#define __INLINE_DATA__
#endif // gcc
//*****************************************************************************
//
// The defines required for RV-MDK.
//
//*****************************************************************************
#ifdef rvmdk
//
// The assembly code preamble required to put the assembler into the correct
// configuration.
//
thumb
require8
preserve8
//
// Section headers.
//
#define __LIBRARY__ ;
#define __TEXT__ area ||.text||, code, readonly, align=2
#define __DATA__ area ||.data||, data, align=2
#define __BSS__ area ||.bss||, noinit, align=2
#define __TEXT_NOROOT__ area ||.text||, code, readonly, align=2
//
// Assembler nmenonics.
//
#define __ALIGN__ align 4
#define __END__ end
#define __EXPORT__ export
#define __IMPORT__ import
#define __LABEL__
#define __STR__ dcb
#define __THUMB_LABEL__
#define __WORD__ dcd
#define __INLINE_DATA__
#endif // rvmdk
//*****************************************************************************
//
// The defines required for Sourcery G++.
//
//*****************************************************************************
#if defined(sourcerygxx)
//
// The assembly code preamble required to put the assembler into the correct
// configuration.
//
.syntax unified
.thumb
//
// Section headers.
//
#define __LIBRARY__ @
#define __TEXT__ .text
#define __DATA__ .data
#define __BSS__ .bss
#define __TEXT_NOROOT__ .text
//
// Assembler nmenonics.
//
#define __ALIGN__ .balign 4
#define __END__ .end
#define __EXPORT__ .globl
#define __IMPORT__ .extern
#define __LABEL__ :
#define __STR__ .ascii
#define __THUMB_LABEL__ .thumb_func
#define __WORD__ .word
#define __INLINE_DATA__
#endif // sourcerygxx
#endif // __ASMDEF_H__

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//*****************************************************************************
//
// hw_can.h - Defines and macros used when accessing the CAN controllers.
//
// Copyright (c) 2006-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_CAN_H__
#define __HW_CAN_H__
//*****************************************************************************
//
// The following are defines for the CAN register offsets.
//
//*****************************************************************************
#define CAN_O_CTL 0x00000000 // CAN Control
#define CAN_O_STS 0x00000004 // CAN Status
#define CAN_O_ERR 0x00000008 // CAN Error Counter
#define CAN_O_BIT 0x0000000C // CAN Bit Timing
#define CAN_O_INT 0x00000010 // CAN Interrupt
#define CAN_O_TST 0x00000014 // CAN Test
#define CAN_O_BRPE 0x00000018 // CAN Baud Rate Prescaler
// Extension
#define CAN_O_IF1CRQ 0x00000020 // CAN IF1 Command Request
#define CAN_O_IF1CMSK 0x00000024 // CAN IF1 Command Mask
#define CAN_O_IF1MSK1 0x00000028 // CAN IF1 Mask 1
#define CAN_O_IF1MSK2 0x0000002C // CAN IF1 Mask 2
#define CAN_O_IF1ARB1 0x00000030 // CAN IF1 Arbitration 1
#define CAN_O_IF1ARB2 0x00000034 // CAN IF1 Arbitration 2
#define CAN_O_IF1MCTL 0x00000038 // CAN IF1 Message Control
#define CAN_O_IF1DA1 0x0000003C // CAN IF1 Data A1
#define CAN_O_IF1DA2 0x00000040 // CAN IF1 Data A2
#define CAN_O_IF1DB1 0x00000044 // CAN IF1 Data B1
#define CAN_O_IF1DB2 0x00000048 // CAN IF1 Data B2
#define CAN_O_IF2CRQ 0x00000080 // CAN IF2 Command Request
#define CAN_O_IF2CMSK 0x00000084 // CAN IF2 Command Mask
#define CAN_O_IF2MSK1 0x00000088 // CAN IF2 Mask 1
#define CAN_O_IF2MSK2 0x0000008C // CAN IF2 Mask 2
#define CAN_O_IF2ARB1 0x00000090 // CAN IF2 Arbitration 1
#define CAN_O_IF2ARB2 0x00000094 // CAN IF2 Arbitration 2
#define CAN_O_IF2MCTL 0x00000098 // CAN IF2 Message Control
#define CAN_O_IF2DA1 0x0000009C // CAN IF2 Data A1
#define CAN_O_IF2DA2 0x000000A0 // CAN IF2 Data A2
#define CAN_O_IF2DB1 0x000000A4 // CAN IF2 Data B1
#define CAN_O_IF2DB2 0x000000A8 // CAN IF2 Data B2
#define CAN_O_TXRQ1 0x00000100 // CAN Transmission Request 1
#define CAN_O_TXRQ2 0x00000104 // CAN Transmission Request 2
#define CAN_O_NWDA1 0x00000120 // CAN New Data 1
#define CAN_O_NWDA2 0x00000124 // CAN New Data 2
#define CAN_O_MSG1INT 0x00000140 // CAN Message 1 Interrupt Pending
#define CAN_O_MSG2INT 0x00000144 // CAN Message 2 Interrupt Pending
#define CAN_O_MSG1VAL 0x00000160 // CAN Message 1 Valid
#define CAN_O_MSG2VAL 0x00000164 // CAN Message 2 Valid
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_CTL register.
//
//*****************************************************************************
#define CAN_CTL_TEST 0x00000080 // Test Mode Enable
#define CAN_CTL_CCE 0x00000040 // Configuration Change Enable
#define CAN_CTL_DAR 0x00000020 // Disable Automatic-Retransmission
#define CAN_CTL_EIE 0x00000008 // Error Interrupt Enable
#define CAN_CTL_SIE 0x00000004 // Status Interrupt Enable
#define CAN_CTL_IE 0x00000002 // CAN Interrupt Enable
#define CAN_CTL_INIT 0x00000001 // Initialization
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_STS register.
//
//*****************************************************************************
#define CAN_STS_BOFF 0x00000080 // Bus-Off Status
#define CAN_STS_EWARN 0x00000040 // Warning Status
#define CAN_STS_EPASS 0x00000020 // Error Passive
#define CAN_STS_RXOK 0x00000010 // Received a Message Successfully
#define CAN_STS_TXOK 0x00000008 // Transmitted a Message
// Successfully
#define CAN_STS_LEC_M 0x00000007 // Last Error Code
#define CAN_STS_LEC_NONE 0x00000000 // No Error
#define CAN_STS_LEC_STUFF 0x00000001 // Stuff Error
#define CAN_STS_LEC_FORM 0x00000002 // Format Error
#define CAN_STS_LEC_ACK 0x00000003 // ACK Error
#define CAN_STS_LEC_BIT1 0x00000004 // Bit 1 Error
#define CAN_STS_LEC_BIT0 0x00000005 // Bit 0 Error
#define CAN_STS_LEC_CRC 0x00000006 // CRC Error
#define CAN_STS_LEC_NOEVENT 0x00000007 // No Event
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_ERR register.
//
//*****************************************************************************
#define CAN_ERR_RP 0x00008000 // Received Error Passive
#define CAN_ERR_REC_M 0x00007F00 // Receive Error Counter
#define CAN_ERR_TEC_M 0x000000FF // Transmit Error Counter
#define CAN_ERR_REC_S 8
#define CAN_ERR_TEC_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_BIT register.
//
//*****************************************************************************
#define CAN_BIT_TSEG2_M 0x00007000 // Time Segment after Sample Point
#define CAN_BIT_TSEG1_M 0x00000F00 // Time Segment Before Sample Point
#define CAN_BIT_SJW_M 0x000000C0 // (Re)Synchronization Jump Width
#define CAN_BIT_BRP_M 0x0000003F // Baud Rate Prescaler
#define CAN_BIT_TSEG2_S 12
#define CAN_BIT_TSEG1_S 8
#define CAN_BIT_SJW_S 6
#define CAN_BIT_BRP_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_INT register.
//
//*****************************************************************************
#define CAN_INT_INTID_M 0x0000FFFF // Interrupt Identifier
#define CAN_INT_INTID_NONE 0x00000000 // No interrupt pending
#define CAN_INT_INTID_STATUS 0x00008000 // Status Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_TST register.
//
//*****************************************************************************
#define CAN_TST_RX 0x00000080 // Receive Observation
#define CAN_TST_TX_M 0x00000060 // Transmit Control
#define CAN_TST_TX_CANCTL 0x00000000 // CAN Module Control
#define CAN_TST_TX_SAMPLE 0x00000020 // Sample Point
#define CAN_TST_TX_DOMINANT 0x00000040 // Driven Low
#define CAN_TST_TX_RECESSIVE 0x00000060 // Driven High
#define CAN_TST_LBACK 0x00000010 // Loopback Mode
#define CAN_TST_SILENT 0x00000008 // Silent Mode
#define CAN_TST_BASIC 0x00000004 // Basic Mode
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_BRPE register.
//
//*****************************************************************************
#define CAN_BRPE_BRPE_M 0x0000000F // Baud Rate Prescaler Extension
#define CAN_BRPE_BRPE_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1CRQ register.
//
//*****************************************************************************
#define CAN_IF1CRQ_BUSY 0x00008000 // Busy Flag
#define CAN_IF1CRQ_MNUM_M 0x0000003F // Message Number
#define CAN_IF1CRQ_MNUM_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1CMSK register.
//
//*****************************************************************************
#define CAN_IF1CMSK_WRNRD 0x00000080 // Write, Not Read
#define CAN_IF1CMSK_MASK 0x00000040 // Access Mask Bits
#define CAN_IF1CMSK_ARB 0x00000020 // Access Arbitration Bits
#define CAN_IF1CMSK_CONTROL 0x00000010 // Access Control Bits
#define CAN_IF1CMSK_CLRINTPND 0x00000008 // Clear Interrupt Pending Bit
#define CAN_IF1CMSK_NEWDAT 0x00000004 // Access New Data
#define CAN_IF1CMSK_TXRQST 0x00000004 // Access Transmission Request
#define CAN_IF1CMSK_DATAA 0x00000002 // Access Data Byte 0 to 3
#define CAN_IF1CMSK_DATAB 0x00000001 // Access Data Byte 4 to 7
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1MSK1 register.
//
//*****************************************************************************
#define CAN_IF1MSK1_IDMSK_M 0x0000FFFF // Identifier Mask
#define CAN_IF1MSK1_IDMSK_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1MSK2 register.
//
//*****************************************************************************
#define CAN_IF1MSK2_MXTD 0x00008000 // Mask Extended Identifier
#define CAN_IF1MSK2_MDIR 0x00004000 // Mask Message Direction
#define CAN_IF1MSK2_IDMSK_M 0x00001FFF // Identifier Mask
#define CAN_IF1MSK2_IDMSK_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1ARB1 register.
//
//*****************************************************************************
#define CAN_IF1ARB1_ID_M 0x0000FFFF // Message Identifier
#define CAN_IF1ARB1_ID_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1ARB2 register.
//
//*****************************************************************************
#define CAN_IF1ARB2_MSGVAL 0x00008000 // Message Valid
#define CAN_IF1ARB2_XTD 0x00004000 // Extended Identifier
#define CAN_IF1ARB2_DIR 0x00002000 // Message Direction
#define CAN_IF1ARB2_ID_M 0x00001FFF // Message Identifier
#define CAN_IF1ARB2_ID_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1MCTL register.
//
//*****************************************************************************
#define CAN_IF1MCTL_NEWDAT 0x00008000 // New Data
#define CAN_IF1MCTL_MSGLST 0x00004000 // Message Lost
#define CAN_IF1MCTL_INTPND 0x00002000 // Interrupt Pending
#define CAN_IF1MCTL_UMASK 0x00001000 // Use Acceptance Mask
#define CAN_IF1MCTL_TXIE 0x00000800 // Transmit Interrupt Enable
#define CAN_IF1MCTL_RXIE 0x00000400 // Receive Interrupt Enable
#define CAN_IF1MCTL_RMTEN 0x00000200 // Remote Enable
#define CAN_IF1MCTL_TXRQST 0x00000100 // Transmit Request
#define CAN_IF1MCTL_EOB 0x00000080 // End of Buffer
#define CAN_IF1MCTL_DLC_M 0x0000000F // Data Length Code
#define CAN_IF1MCTL_DLC_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1DA1 register.
//
//*****************************************************************************
#define CAN_IF1DA1_DATA_M 0x0000FFFF // Data
#define CAN_IF1DA1_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1DA2 register.
//
//*****************************************************************************
#define CAN_IF1DA2_DATA_M 0x0000FFFF // Data
#define CAN_IF1DA2_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1DB1 register.
//
//*****************************************************************************
#define CAN_IF1DB1_DATA_M 0x0000FFFF // Data
#define CAN_IF1DB1_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF1DB2 register.
//
//*****************************************************************************
#define CAN_IF1DB2_DATA_M 0x0000FFFF // Data
#define CAN_IF1DB2_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2CRQ register.
//
//*****************************************************************************
#define CAN_IF2CRQ_BUSY 0x00008000 // Busy Flag
#define CAN_IF2CRQ_MNUM_M 0x0000003F // Message Number
#define CAN_IF2CRQ_MNUM_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2CMSK register.
//
//*****************************************************************************
#define CAN_IF2CMSK_WRNRD 0x00000080 // Write, Not Read
#define CAN_IF2CMSK_MASK 0x00000040 // Access Mask Bits
#define CAN_IF2CMSK_ARB 0x00000020 // Access Arbitration Bits
#define CAN_IF2CMSK_CONTROL 0x00000010 // Access Control Bits
#define CAN_IF2CMSK_CLRINTPND 0x00000008 // Clear Interrupt Pending Bit
#define CAN_IF2CMSK_NEWDAT 0x00000004 // Access New Data
#define CAN_IF2CMSK_TXRQST 0x00000004 // Access Transmission Request
#define CAN_IF2CMSK_DATAA 0x00000002 // Access Data Byte 0 to 3
#define CAN_IF2CMSK_DATAB 0x00000001 // Access Data Byte 4 to 7
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2MSK1 register.
//
//*****************************************************************************
#define CAN_IF2MSK1_IDMSK_M 0x0000FFFF // Identifier Mask
#define CAN_IF2MSK1_IDMSK_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2MSK2 register.
//
//*****************************************************************************
#define CAN_IF2MSK2_MXTD 0x00008000 // Mask Extended Identifier
#define CAN_IF2MSK2_MDIR 0x00004000 // Mask Message Direction
#define CAN_IF2MSK2_IDMSK_M 0x00001FFF // Identifier Mask
#define CAN_IF2MSK2_IDMSK_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2ARB1 register.
//
//*****************************************************************************
#define CAN_IF2ARB1_ID_M 0x0000FFFF // Message Identifier
#define CAN_IF2ARB1_ID_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2ARB2 register.
//
//*****************************************************************************
#define CAN_IF2ARB2_MSGVAL 0x00008000 // Message Valid
#define CAN_IF2ARB2_XTD 0x00004000 // Extended Identifier
#define CAN_IF2ARB2_DIR 0x00002000 // Message Direction
#define CAN_IF2ARB2_ID_M 0x00001FFF // Message Identifier
#define CAN_IF2ARB2_ID_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2MCTL register.
//
//*****************************************************************************
#define CAN_IF2MCTL_NEWDAT 0x00008000 // New Data
#define CAN_IF2MCTL_MSGLST 0x00004000 // Message Lost
#define CAN_IF2MCTL_INTPND 0x00002000 // Interrupt Pending
#define CAN_IF2MCTL_UMASK 0x00001000 // Use Acceptance Mask
#define CAN_IF2MCTL_TXIE 0x00000800 // Transmit Interrupt Enable
#define CAN_IF2MCTL_RXIE 0x00000400 // Receive Interrupt Enable
#define CAN_IF2MCTL_RMTEN 0x00000200 // Remote Enable
#define CAN_IF2MCTL_TXRQST 0x00000100 // Transmit Request
#define CAN_IF2MCTL_EOB 0x00000080 // End of Buffer
#define CAN_IF2MCTL_DLC_M 0x0000000F // Data Length Code
#define CAN_IF2MCTL_DLC_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2DA1 register.
//
//*****************************************************************************
#define CAN_IF2DA1_DATA_M 0x0000FFFF // Data
#define CAN_IF2DA1_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2DA2 register.
//
//*****************************************************************************
#define CAN_IF2DA2_DATA_M 0x0000FFFF // Data
#define CAN_IF2DA2_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2DB1 register.
//
//*****************************************************************************
#define CAN_IF2DB1_DATA_M 0x0000FFFF // Data
#define CAN_IF2DB1_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_IF2DB2 register.
//
//*****************************************************************************
#define CAN_IF2DB2_DATA_M 0x0000FFFF // Data
#define CAN_IF2DB2_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_TXRQ1 register.
//
//*****************************************************************************
#define CAN_TXRQ1_TXRQST_M 0x0000FFFF // Transmission Request Bits
#define CAN_TXRQ1_TXRQST_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_TXRQ2 register.
//
//*****************************************************************************
#define CAN_TXRQ2_TXRQST_M 0x0000FFFF // Transmission Request Bits
#define CAN_TXRQ2_TXRQST_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_NWDA1 register.
//
//*****************************************************************************
#define CAN_NWDA1_NEWDAT_M 0x0000FFFF // New Data Bits
#define CAN_NWDA1_NEWDAT_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_NWDA2 register.
//
//*****************************************************************************
#define CAN_NWDA2_NEWDAT_M 0x0000FFFF // New Data Bits
#define CAN_NWDA2_NEWDAT_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_MSG1INT register.
//
//*****************************************************************************
#define CAN_MSG1INT_INTPND_M 0x0000FFFF // Interrupt Pending Bits
#define CAN_MSG1INT_INTPND_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_MSG2INT register.
//
//*****************************************************************************
#define CAN_MSG2INT_INTPND_M 0x0000FFFF // Interrupt Pending Bits
#define CAN_MSG2INT_INTPND_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_MSG1VAL register.
//
//*****************************************************************************
#define CAN_MSG1VAL_MSGVAL_M 0x0000FFFF // Message Valid Bits
#define CAN_MSG1VAL_MSGVAL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the CAN_O_MSG2VAL register.
//
//*****************************************************************************
#define CAN_MSG2VAL_MSGVAL_M 0x0000FFFF // Message Valid Bits
#define CAN_MSG2VAL_MSGVAL_S 0
#endif // __HW_CAN_H__

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//*****************************************************************************
//
// hw_comp.h - Macros used when accessing the comparator hardware.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_COMP_H__
#define __HW_COMP_H__
//*****************************************************************************
//
// The following are defines for the Comparator register offsets.
//
//*****************************************************************************
#define COMP_O_ACMIS 0x00000000 // Analog Comparator Masked
// Interrupt Status
#define COMP_O_ACRIS 0x00000004 // Analog Comparator Raw Interrupt
// Status
#define COMP_O_ACINTEN 0x00000008 // Analog Comparator Interrupt
// Enable
#define COMP_O_ACREFCTL 0x00000010 // Analog Comparator Reference
// Voltage Control
#define COMP_O_ACSTAT0 0x00000020 // Analog Comparator Status 0
#define COMP_O_ACCTL0 0x00000024 // Analog Comparator Control 0
#define COMP_O_ACSTAT1 0x00000040 // Analog Comparator Status 1
#define COMP_O_ACCTL1 0x00000044 // Analog Comparator Control 1
#define COMP_O_ACSTAT2 0x00000060 // Analog Comparator Status 2
#define COMP_O_ACCTL2 0x00000064 // Analog Comparator Control 2
#define COMP_O_PP 0x00000FC0 // Analog Comparator Peripheral
// Properties
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACMIS register.
//
//*****************************************************************************
#define COMP_ACMIS_IN2 0x00000004 // Comparator 2 Masked Interrupt
// Status
#define COMP_ACMIS_IN1 0x00000002 // Comparator 1 Masked Interrupt
// Status
#define COMP_ACMIS_IN0 0x00000001 // Comparator 0 Masked Interrupt
// Status
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACRIS register.
//
//*****************************************************************************
#define COMP_ACRIS_IN2 0x00000004 // Comparator 2 Interrupt Status
#define COMP_ACRIS_IN1 0x00000002 // Comparator 1 Interrupt Status
#define COMP_ACRIS_IN0 0x00000001 // Comparator 0 Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACINTEN register.
//
//*****************************************************************************
#define COMP_ACINTEN_IN2 0x00000004 // Comparator 2 Interrupt Enable
#define COMP_ACINTEN_IN1 0x00000002 // Comparator 1 Interrupt Enable
#define COMP_ACINTEN_IN0 0x00000001 // Comparator 0 Interrupt Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACREFCTL
// register.
//
//*****************************************************************************
#define COMP_ACREFCTL_EN 0x00000200 // Resistor Ladder Enable
#define COMP_ACREFCTL_RNG 0x00000100 // Resistor Ladder Range
#define COMP_ACREFCTL_VREF_M 0x0000000F // Resistor Ladder Voltage Ref
#define COMP_ACREFCTL_VREF_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACSTAT0 register.
//
//*****************************************************************************
#define COMP_ACSTAT0_OVAL 0x00000002 // Comparator Output Value
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACCTL0 register.
//
//*****************************************************************************
#define COMP_ACCTL0_TOEN 0x00000800 // Trigger Output Enable
#define COMP_ACCTL0_ASRCP_M 0x00000600 // Analog Source Positive
#define COMP_ACCTL0_ASRCP_PIN 0x00000000 // Pin value of Cn+
#define COMP_ACCTL0_ASRCP_PIN0 0x00000200 // Pin value of C0+
#define COMP_ACCTL0_ASRCP_REF 0x00000400 // Internal voltage reference
#define COMP_ACCTL0_TSLVAL 0x00000080 // Trigger Sense Level Value
#define COMP_ACCTL0_TSEN_M 0x00000060 // Trigger Sense
#define COMP_ACCTL0_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
#define COMP_ACCTL0_TSEN_FALL 0x00000020 // Falling edge
#define COMP_ACCTL0_TSEN_RISE 0x00000040 // Rising edge
#define COMP_ACCTL0_TSEN_BOTH 0x00000060 // Either edge
#define COMP_ACCTL0_ISLVAL 0x00000010 // Interrupt Sense Level Value
#define COMP_ACCTL0_ISEN_M 0x0000000C // Interrupt Sense
#define COMP_ACCTL0_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
#define COMP_ACCTL0_ISEN_FALL 0x00000004 // Falling edge
#define COMP_ACCTL0_ISEN_RISE 0x00000008 // Rising edge
#define COMP_ACCTL0_ISEN_BOTH 0x0000000C // Either edge
#define COMP_ACCTL0_CINV 0x00000002 // Comparator Output Invert
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACSTAT1 register.
//
//*****************************************************************************
#define COMP_ACSTAT1_OVAL 0x00000002 // Comparator Output Value
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACCTL1 register.
//
//*****************************************************************************
#define COMP_ACCTL1_TOEN 0x00000800 // Trigger Output Enable
#define COMP_ACCTL1_ASRCP_M 0x00000600 // Analog Source Positive
#define COMP_ACCTL1_ASRCP_PIN 0x00000000 // Pin value of Cn+
#define COMP_ACCTL1_ASRCP_PIN0 0x00000200 // Pin value of C0+
#define COMP_ACCTL1_ASRCP_REF 0x00000400 // Internal voltage reference
// (VIREF)
#define COMP_ACCTL1_TSLVAL 0x00000080 // Trigger Sense Level Value
#define COMP_ACCTL1_TSEN_M 0x00000060 // Trigger Sense
#define COMP_ACCTL1_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
#define COMP_ACCTL1_TSEN_FALL 0x00000020 // Falling edge
#define COMP_ACCTL1_TSEN_RISE 0x00000040 // Rising edge
#define COMP_ACCTL1_TSEN_BOTH 0x00000060 // Either edge
#define COMP_ACCTL1_ISLVAL 0x00000010 // Interrupt Sense Level Value
#define COMP_ACCTL1_ISEN_M 0x0000000C // Interrupt Sense
#define COMP_ACCTL1_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
#define COMP_ACCTL1_ISEN_FALL 0x00000004 // Falling edge
#define COMP_ACCTL1_ISEN_RISE 0x00000008 // Rising edge
#define COMP_ACCTL1_ISEN_BOTH 0x0000000C // Either edge
#define COMP_ACCTL1_CINV 0x00000002 // Comparator Output Invert
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACSTAT2 register.
//
//*****************************************************************************
#define COMP_ACSTAT2_OVAL 0x00000002 // Comparator Output Value
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_ACCTL2 register.
//
//*****************************************************************************
#define COMP_ACCTL2_TOEN 0x00000800 // Trigger Output Enable
#define COMP_ACCTL2_ASRCP_M 0x00000600 // Analog Source Positive
#define COMP_ACCTL2_ASRCP_PIN 0x00000000 // Pin value of Cn+
#define COMP_ACCTL2_ASRCP_PIN0 0x00000200 // Pin value of C0+
#define COMP_ACCTL2_ASRCP_REF 0x00000400 // Internal voltage reference
// (VIREF)
#define COMP_ACCTL2_TSLVAL 0x00000080 // Trigger Sense Level Value
#define COMP_ACCTL2_TSEN_M 0x00000060 // Trigger Sense
#define COMP_ACCTL2_TSEN_LEVEL 0x00000000 // Level sense, see TSLVAL
#define COMP_ACCTL2_TSEN_FALL 0x00000020 // Falling edge
#define COMP_ACCTL2_TSEN_RISE 0x00000040 // Rising edge
#define COMP_ACCTL2_TSEN_BOTH 0x00000060 // Either edge
#define COMP_ACCTL2_ISLVAL 0x00000010 // Interrupt Sense Level Value
#define COMP_ACCTL2_ISEN_M 0x0000000C // Interrupt Sense
#define COMP_ACCTL2_ISEN_LEVEL 0x00000000 // Level sense, see ISLVAL
#define COMP_ACCTL2_ISEN_FALL 0x00000004 // Falling edge
#define COMP_ACCTL2_ISEN_RISE 0x00000008 // Rising edge
#define COMP_ACCTL2_ISEN_BOTH 0x0000000C // Either edge
#define COMP_ACCTL2_CINV 0x00000002 // Comparator Output Invert
//*****************************************************************************
//
// The following are defines for the bit fields in the COMP_O_PP register.
//
//*****************************************************************************
#define COMP_PP_C2O 0x00040000 // Comparator Output 2 Present
#define COMP_PP_C1O 0x00020000 // Comparator Output 1 Present
#define COMP_PP_C0O 0x00010000 // Comparator Output 0 Present
#define COMP_PP_CMP2 0x00000004 // Comparator 2 Present
#define COMP_PP_CMP1 0x00000002 // Comparator 1 Present
#define COMP_PP_CMP0 0x00000001 // Comparator 0 Present
#endif // __HW_COMP_H__

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//*****************************************************************************
//
// hw_eeprom.h - Macros used when accessing the EEPROM controller.
//
// Copyright (c) 2011-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_EEPROM_H__
#define __HW_EEPROM_H__
//*****************************************************************************
//
// The following are defines for the EEPROM register offsets.
//
//*****************************************************************************
#define EEPROM_EESIZE 0x400AF000 // EEPROM Size Information
#define EEPROM_EEBLOCK 0x400AF004 // EEPROM Current Block
#define EEPROM_EEOFFSET 0x400AF008 // EEPROM Current Offset
#define EEPROM_EERDWR 0x400AF010 // EEPROM Read-Write
#define EEPROM_EERDWRINC 0x400AF014 // EEPROM Read-Write with Increment
#define EEPROM_EEDONE 0x400AF018 // EEPROM Done Status
#define EEPROM_EESUPP 0x400AF01C // EEPROM Support Control and
// Status
#define EEPROM_EEUNLOCK 0x400AF020 // EEPROM Unlock
#define EEPROM_EEPROT 0x400AF030 // EEPROM Protection
#define EEPROM_EEPASS0 0x400AF034 // EEPROM Password
#define EEPROM_EEPASS1 0x400AF038 // EEPROM Password
#define EEPROM_EEPASS2 0x400AF03C // EEPROM Password
#define EEPROM_EEINT 0x400AF040 // EEPROM Interrupt
#define EEPROM_EEHIDE 0x400AF050 // EEPROM Block Hide
#define EEPROM_EEDBGME 0x400AF080 // EEPROM Debug Mass Erase
#define EEPROM_PP 0x400AFFC0 // EEPROM Peripheral Properties
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EESIZE register.
//
//*****************************************************************************
#define EEPROM_EESIZE_WORDCNT_M 0x0000FFFF // Number of 32-Bit Words
#define EEPROM_EESIZE_BLKCNT_M 0x07FF0000 // Number of 16-Word Blocks
#define EEPROM_EESIZE_WORDCNT_S 0
#define EEPROM_EESIZE_BLKCNT_S 16
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEBLOCK register.
//
//*****************************************************************************
#define EEPROM_EEBLOCK_BLOCK_M 0x0000FFFF // Current Block
#define EEPROM_EEBLOCK_BLOCK_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEOFFSET
// register.
//
//*****************************************************************************
#define EEPROM_EEOFFSET_OFFSET_M \
0x0000000F // Current Address Offset
#define EEPROM_EEOFFSET_OFFSET_S \
0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EERDWR register.
//
//*****************************************************************************
#define EEPROM_EERDWR_VALUE_M 0xFFFFFFFF // EEPROM Read or Write Data
#define EEPROM_EERDWR_VALUE_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EERDWRINC
// register.
//
//*****************************************************************************
#define EEPROM_EERDWRINC_VALUE_M \
0xFFFFFFFF // EEPROM Read or Write Data with
// Increment
#define EEPROM_EERDWRINC_VALUE_S \
0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEDONE register.
//
//*****************************************************************************
#define EEPROM_EEDONE_WORKING 0x00000001 // EEPROM Working
#define EEPROM_EEDONE_WKERASE 0x00000004 // Working on an Erase
#define EEPROM_EEDONE_WKCOPY 0x00000008 // Working on a Copy
#define EEPROM_EEDONE_NOPERM 0x00000010 // Write Without Permission
#define EEPROM_EEDONE_WRBUSY 0x00000020 // Write Busy
#define EEPROM_EEDONE_INVPL 0x00000100 // Invalid Program Voltage Level
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EESUPP register.
//
//*****************************************************************************
#define EEPROM_EESUPP_START 0x00000001 // Start Erase
#define EEPROM_EESUPP_EREQ 0x00000002 // Erase Required
#define EEPROM_EESUPP_ERETRY 0x00000004 // Erase Must Be Retried
#define EEPROM_EESUPP_PRETRY 0x00000008 // Programming Must Be Retried
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEUNLOCK
// register.
//
//*****************************************************************************
#define EEPROM_EEUNLOCK_UNLOCK_M \
0xFFFFFFFF // EEPROM Unlock
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEPROT register.
//
//*****************************************************************************
#define EEPROM_EEPROT_PROT_M 0x00000007 // Protection Control
#define EEPROM_EEPROT_PROT_RWNPW \
0x00000000 // This setting is the default. If
// there is no password, the block
// is not protected and is readable
// and writable
#define EEPROM_EEPROT_PROT_RWPW 0x00000001 // If there is a password, the
// block is readable or writable
// only when unlocked
#define EEPROM_EEPROT_PROT_RONPW \
0x00000002 // If there is no password, the
// block is readable, not writable
#define EEPROM_EEPROT_ACC 0x00000008 // Access Control
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEPASS0 register.
//
//*****************************************************************************
#define EEPROM_EEPASS0_PASS_M 0xFFFFFFFF // Password
#define EEPROM_EEPASS0_PASS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEPASS1 register.
//
//*****************************************************************************
#define EEPROM_EEPASS1_PASS_M 0xFFFFFFFF // Password
#define EEPROM_EEPASS1_PASS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEPASS2 register.
//
//*****************************************************************************
#define EEPROM_EEPASS2_PASS_M 0xFFFFFFFF // Password
#define EEPROM_EEPASS2_PASS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEINT register.
//
//*****************************************************************************
#define EEPROM_EEINT_INT 0x00000001 // Interrupt Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEHIDE register.
//
//*****************************************************************************
#define EEPROM_EEHIDE_HN_M 0xFFFFFFFE // Hide Block
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_EEDBGME register.
//
//*****************************************************************************
#define EEPROM_EEDBGME_ME 0x00000001 // Mass Erase
#define EEPROM_EEDBGME_KEY_M 0xFFFF0000 // Erase Key
#define EEPROM_EEDBGME_KEY_S 16
//*****************************************************************************
//
// The following are defines for the bit fields in the EEPROM_PP register.
//
//*****************************************************************************
#define EEPROM_PP_SIZE_M 0x0000001F // EEPROM Size
#define EEPROM_PP_SIZE_S 0
#endif // __HW_EEPROM_H__

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//*****************************************************************************
//
// hw_fan.h - Macros used when accessing the fan control hardware.
//
// Copyright (c) 2010-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_FAN_H__
#define __HW_FAN_H__
//*****************************************************************************
//
// The following are defines for the Fan Control register offsets.
//
//*****************************************************************************
#endif // __HW_FAN_H__

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//*****************************************************************************
//
// hw_flash.h - Macros used when accessing the flash controller.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_FLASH_H__
#define __HW_FLASH_H__
//*****************************************************************************
//
// The following are defines for the FLASH register offsets.
//
//*****************************************************************************
#define FLASH_FMA 0x400FD000 // Flash Memory Address
#define FLASH_FMD 0x400FD004 // Flash Memory Data
#define FLASH_FMC 0x400FD008 // Flash Memory Control
#define FLASH_FCRIS 0x400FD00C // Flash Controller Raw Interrupt
// Status
#define FLASH_FCIM 0x400FD010 // Flash Controller Interrupt Mask
#define FLASH_FCMISC 0x400FD014 // Flash Controller Masked
// Interrupt Status and Clear
#define FLASH_FMC2 0x400FD020 // Flash Memory Control 2
#define FLASH_FWBVAL 0x400FD030 // Flash Write Buffer Valid
#define FLASH_FWBN 0x400FD100 // Flash Write Buffer n
#define FLASH_FSIZE 0x400FDFC0 // Flash Size
#define FLASH_SSIZE 0x400FDFC4 // SRAM Size
#define FLASH_ROMSWMAP 0x400FDFCC // ROM Software Map
#define FLASH_RMCTL 0x400FE0F0 // ROM Control
#define FLASH_BOOTCFG 0x400FE1D0 // Boot Configuration
#define FLASH_USERREG0 0x400FE1E0 // User Register 0
#define FLASH_USERREG1 0x400FE1E4 // User Register 1
#define FLASH_USERREG2 0x400FE1E8 // User Register 2
#define FLASH_USERREG3 0x400FE1EC // User Register 3
#define FLASH_FMPRE0 0x400FE200 // Flash Memory Protection Read
// Enable 0
#define FLASH_FMPRE1 0x400FE204 // Flash Memory Protection Read
// Enable 1
#define FLASH_FMPRE2 0x400FE208 // Flash Memory Protection Read
// Enable 2
#define FLASH_FMPRE3 0x400FE20C // Flash Memory Protection Read
// Enable 3
#define FLASH_FMPPE0 0x400FE400 // Flash Memory Protection Program
// Enable 0
#define FLASH_FMPPE1 0x400FE404 // Flash Memory Protection Program
// Enable 1
#define FLASH_FMPPE2 0x400FE408 // Flash Memory Protection Program
// Enable 2
#define FLASH_FMPPE3 0x400FE40C // Flash Memory Protection Program
// Enable 3
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FMA register.
//
//*****************************************************************************
#define FLASH_FMA_OFFSET_M 0x0003FFFF // Address Offset
#define FLASH_FMA_OFFSET_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FMD register.
//
//*****************************************************************************
#define FLASH_FMD_DATA_M 0xFFFFFFFF // Data Value
#define FLASH_FMD_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FMC register.
//
//*****************************************************************************
#define FLASH_FMC_WRKEY 0xA4420000 // FLASH write key
#define FLASH_FMC_COMT 0x00000008 // Commit Register Value
#define FLASH_FMC_MERASE 0x00000004 // Mass Erase Flash Memory
#define FLASH_FMC_ERASE 0x00000002 // Erase a Page of Flash Memory
#define FLASH_FMC_WRITE 0x00000001 // Write a Word into Flash Memory
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FCRIS register.
//
//*****************************************************************************
#define FLASH_FCRIS_PROGRIS 0x00002000 // PROGVER Raw Interrupt Status
#define FLASH_FCRIS_ERRIS 0x00000800 // ERVER Raw Interrupt Status
#define FLASH_FCRIS_INVDRIS 0x00000400 // Invalid Data Raw Interrupt
// Status
#define FLASH_FCRIS_VOLTRIS 0x00000200 // VOLTSTAT Raw Interrupt Status
#define FLASH_FCRIS_ERIS 0x00000004 // EEPROM Raw Interrupt Status
#define FLASH_FCRIS_PRIS 0x00000002 // Programming Raw Interrupt Status
#define FLASH_FCRIS_ARIS 0x00000001 // Access Raw Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FCIM register.
//
//*****************************************************************************
#define FLASH_FCIM_PROGMASK 0x00002000 // PROGVER Interrupt Mask
#define FLASH_FCIM_ERMASK 0x00000800 // ERVER Interrupt Mask
#define FLASH_FCIM_INVDMASK 0x00000400 // Invalid Data Interrupt Mask
#define FLASH_FCIM_VOLTMASK 0x00000200 // VOLT Interrupt Mask
#define FLASH_FCIM_EMASK 0x00000004 // EEPROM Interrupt Mask
#define FLASH_FCIM_PMASK 0x00000002 // Programming Interrupt Mask
#define FLASH_FCIM_AMASK 0x00000001 // Access Interrupt Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FCMISC register.
//
//*****************************************************************************
#define FLASH_FCMISC_PROGMISC 0x00002000 // PROGVER Masked Interrupt Status
// and Clear
#define FLASH_FCMISC_ERMISC 0x00000800 // ERVER Masked Interrupt Status
// and Clear
#define FLASH_FCMISC_INVDMISC 0x00000400 // Invalid Data Masked Interrupt
// Status and Clear
#define FLASH_FCMISC_VOLTMISC 0x00000200 // VOLT Masked Interrupt Status and
// Clear
#define FLASH_FCMISC_EMISC 0x00000004 // EEPROM Masked Interrupt Status
// and Clear
#define FLASH_FCMISC_PMISC 0x00000002 // Programming Masked Interrupt
// Status and Clear
#define FLASH_FCMISC_AMISC 0x00000001 // Access Masked Interrupt Status
// and Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FMC2 register.
//
//*****************************************************************************
#define FLASH_FMC2_WRKEY 0xA4420000 // FLASH write key
#define FLASH_FMC2_WRBUF 0x00000001 // Buffered Flash Memory Write
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FWBVAL register.
//
//*****************************************************************************
#define FLASH_FWBVAL_FWB_M 0xFFFFFFFF // Flash Memory Write Buffer
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FWBN register.
//
//*****************************************************************************
#define FLASH_FWBN_DATA_M 0xFFFFFFFF // Data
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_FSIZE register.
//
//*****************************************************************************
#define FLASH_FSIZE_SIZE_M 0x0000FFFF // Flash Size
#define FLASH_FSIZE_SIZE_8KB 0x00000003 // 8 KB of Flash
#define FLASH_FSIZE_SIZE_16KB 0x00000007 // 16 KB of Flash
#define FLASH_FSIZE_SIZE_32KB 0x0000000F // 32 KB of Flash
#define FLASH_FSIZE_SIZE_64KB 0x0000001F // 64 KB of Flash
#define FLASH_FSIZE_SIZE_96KB 0x0000002F // 96 KB of Flash
#define FLASH_FSIZE_SIZE_128KB 0x0000003F // 128 KB of Flash
#define FLASH_FSIZE_SIZE_192KB 0x0000005F // 192 KB of Flash
#define FLASH_FSIZE_SIZE_256KB 0x0000007F // 256 KB of Flash
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_SSIZE register.
//
//*****************************************************************************
#define FLASH_SSIZE_SIZE_M 0x0000FFFF // SRAM Size
#define FLASH_SSIZE_SIZE_2KB 0x00000007 // 2 KB of SRAM
#define FLASH_SSIZE_SIZE_4KB 0x0000000F // 4 KB of SRAM
#define FLASH_SSIZE_SIZE_6KB 0x00000017 // 6 KB of SRAM
#define FLASH_SSIZE_SIZE_8KB 0x0000001F // 8 KB of SRAM
#define FLASH_SSIZE_SIZE_12KB 0x0000002F // 12 KB of SRAM
#define FLASH_SSIZE_SIZE_16KB 0x0000003F // 16 KB of SRAM
#define FLASH_SSIZE_SIZE_20KB 0x0000004F // 20 KB of SRAM
#define FLASH_SSIZE_SIZE_24KB 0x0000005F // 24 KB of SRAM
#define FLASH_SSIZE_SIZE_32KB 0x0000007F // 32 KB of SRAM
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_ROMSWMAP register.
//
//*****************************************************************************
#define FLASH_ROMSWMAP_SAFERTOS 0x00000001 // SafeRTOS Present
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_RMCTL register.
//
//*****************************************************************************
#define FLASH_RMCTL_BA 0x00000001 // Boot Alias
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_BOOTCFG register.
//
//*****************************************************************************
#define FLASH_BOOTCFG_NW 0x80000000 // Not Written
#define FLASH_BOOTCFG_PORT_M 0x0000E000 // Boot GPIO Port
#define FLASH_BOOTCFG_PORT_A 0x00000000 // Port A
#define FLASH_BOOTCFG_PORT_B 0x00002000 // Port B
#define FLASH_BOOTCFG_PORT_C 0x00004000 // Port C
#define FLASH_BOOTCFG_PORT_D 0x00006000 // Port D
#define FLASH_BOOTCFG_PORT_E 0x00008000 // Port E
#define FLASH_BOOTCFG_PORT_F 0x0000A000 // Port F
#define FLASH_BOOTCFG_PORT_G 0x0000C000 // Port G
#define FLASH_BOOTCFG_PORT_H 0x0000E000 // Port H
#define FLASH_BOOTCFG_PIN_M 0x00001C00 // Boot GPIO Pin
#define FLASH_BOOTCFG_PIN_0 0x00000000 // Pin 0
#define FLASH_BOOTCFG_PIN_1 0x00000400 // Pin 1
#define FLASH_BOOTCFG_PIN_2 0x00000800 // Pin 2
#define FLASH_BOOTCFG_PIN_3 0x00000C00 // Pin 3
#define FLASH_BOOTCFG_PIN_4 0x00001000 // Pin 4
#define FLASH_BOOTCFG_PIN_5 0x00001400 // Pin 5
#define FLASH_BOOTCFG_PIN_6 0x00001800 // Pin 6
#define FLASH_BOOTCFG_PIN_7 0x00001C00 // Pin 7
#define FLASH_BOOTCFG_POL 0x00000200 // Boot GPIO Polarity
#define FLASH_BOOTCFG_EN 0x00000100 // Boot GPIO Enable
#define FLASH_BOOTCFG_KEY 0x00000010 // KEY Select
#define FLASH_BOOTCFG_DBG1 0x00000002 // Debug Control 1
#define FLASH_BOOTCFG_DBG0 0x00000001 // Debug Control 0
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_USERREG0 register.
//
//*****************************************************************************
#define FLASH_USERREG0_DATA_M 0xFFFFFFFF // User Data
#define FLASH_USERREG0_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_USERREG1 register.
//
//*****************************************************************************
#define FLASH_USERREG1_DATA_M 0xFFFFFFFF // User Data
#define FLASH_USERREG1_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_USERREG2 register.
//
//*****************************************************************************
#define FLASH_USERREG2_DATA_M 0xFFFFFFFF // User Data
#define FLASH_USERREG2_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the FLASH_USERREG3 register.
//
//*****************************************************************************
#define FLASH_USERREG3_DATA_M 0xFFFFFFFF // User Data
#define FLASH_USERREG3_DATA_S 0
//*****************************************************************************
//
// The following are defines for the erase size of the FLASH block that is
// erased by an erase operation, and the protect size is the size of the FLASH
// block that is protected by each protection register.
//
//*****************************************************************************
#define FLASH_PROTECT_SIZE 0x00000800
#define FLASH_ERASE_SIZE 0x00000400
#endif // __HW_FLASH_H__

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//*****************************************************************************
//
// hw_gpio.h - Defines and Macros for GPIO hardware.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_GPIO_H__
#define __HW_GPIO_H__
//*****************************************************************************
//
// The following are defines for the GPIO register offsets.
//
//*****************************************************************************
#define GPIO_O_DATA 0x00000000 // GPIO Data
#define GPIO_O_DIR 0x00000400 // GPIO Direction
#define GPIO_O_IS 0x00000404 // GPIO Interrupt Sense
#define GPIO_O_IBE 0x00000408 // GPIO Interrupt Both Edges
#define GPIO_O_IEV 0x0000040C // GPIO Interrupt Event
#define GPIO_O_IM 0x00000410 // GPIO Interrupt Mask
#define GPIO_O_RIS 0x00000414 // GPIO Raw Interrupt Status
#define GPIO_O_MIS 0x00000418 // GPIO Masked Interrupt Status
#define GPIO_O_ICR 0x0000041C // GPIO Interrupt Clear
#define GPIO_O_AFSEL 0x00000420 // GPIO Alternate Function Select
#define GPIO_O_DR2R 0x00000500 // GPIO 2-mA Drive Select
#define GPIO_O_DR4R 0x00000504 // GPIO 4-mA Drive Select
#define GPIO_O_DR8R 0x00000508 // GPIO 8-mA Drive Select
#define GPIO_O_ODR 0x0000050C // GPIO Open Drain Select
#define GPIO_O_PUR 0x00000510 // GPIO Pull-Up Select
#define GPIO_O_PDR 0x00000514 // GPIO Pull-Down Select
#define GPIO_O_SLR 0x00000518 // GPIO Slew Rate Control Select
#define GPIO_O_DEN 0x0000051C // GPIO Digital Enable
#define GPIO_O_LOCK 0x00000520 // GPIO Lock
#define GPIO_O_CR 0x00000524 // GPIO Commit
#define GPIO_O_AMSEL 0x00000528 // GPIO Analog Mode Select
#define GPIO_O_PCTL 0x0000052C // GPIO Port Control
#define GPIO_O_ADCCTL 0x00000530 // GPIO ADC Control
#define GPIO_O_DMACTL 0x00000534 // GPIO DMA Control
#define GPIO_O_SI 0x00000538 // GPIO Select Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the GPIO_O_IM register.
//
//*****************************************************************************
#define GPIO_IM_GPIO_M 0x000000FF // GPIO Interrupt Mask Enable
#define GPIO_IM_GPIO_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the GPIO_O_RIS register.
//
//*****************************************************************************
#define GPIO_RIS_GPIO_M 0x000000FF // GPIO Interrupt Raw Status
#define GPIO_RIS_GPIO_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the GPIO_O_MIS register.
//
//*****************************************************************************
#define GPIO_MIS_GPIO_M 0x000000FF // GPIO Masked Interrupt Status
#define GPIO_MIS_GPIO_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the GPIO_O_ICR register.
//
//*****************************************************************************
#define GPIO_ICR_GPIO_M 0x000000FF // GPIO Interrupt Clear
#define GPIO_ICR_GPIO_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the GPIO_O_LOCK register.
//
//*****************************************************************************
#define GPIO_LOCK_M 0xFFFFFFFF // GPIO Lock
#define GPIO_LOCK_UNLOCKED 0x00000000 // The GPIOCR register is unlocked
// and may be modified
#define GPIO_LOCK_LOCKED 0x00000001 // The GPIOCR register is locked
// and may not be modified
#define GPIO_LOCK_KEY 0x4C4F434B // Unlocks the GPIO_CR register
//*****************************************************************************
//
// The following are defines for the bit fields in the GPIO_O_SI register.
//
//*****************************************************************************
#define GPIO_SI_SUM 0x00000001 // Summary Interrupt
#endif // __HW_GPIO_H__

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//*****************************************************************************
//
// hw_hibernate.h - Defines and Macros for the Hibernation module.
//
// Copyright (c) 2007-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_HIBERNATE_H__
#define __HW_HIBERNATE_H__
//*****************************************************************************
//
// The following are defines for the Hibernation module register addresses.
//
//*****************************************************************************
#define HIB_RTCC 0x400FC000 // Hibernation RTC Counter
#define HIB_RTCM0 0x400FC004 // Hibernation RTC Match 0
#define HIB_RTCLD 0x400FC00C // Hibernation RTC Load
#define HIB_CTL 0x400FC010 // Hibernation Control
#define HIB_IM 0x400FC014 // Hibernation Interrupt Mask
#define HIB_RIS 0x400FC018 // Hibernation Raw Interrupt Status
#define HIB_MIS 0x400FC01C // Hibernation Masked Interrupt
// Status
#define HIB_IC 0x400FC020 // Hibernation Interrupt Clear
#define HIB_RTCT 0x400FC024 // Hibernation RTC Trim
#define HIB_RTCSS 0x400FC028 // Hibernation RTC Sub Seconds
#define HIB_DATA 0x400FC030 // Hibernation Data
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_RTCC register.
//
//*****************************************************************************
#define HIB_RTCC_M 0xFFFFFFFF // RTC Counter
#define HIB_RTCC_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_RTCM0 register.
//
//*****************************************************************************
#define HIB_RTCM0_M 0xFFFFFFFF // RTC Match 0
#define HIB_RTCM0_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_RTCLD register.
//
//*****************************************************************************
#define HIB_RTCLD_M 0xFFFFFFFF // RTC Load
#define HIB_RTCLD_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_CTL register.
//
//*****************************************************************************
#define HIB_CTL_WRC 0x80000000 // Write Complete/Capable
#define HIB_CTL_OSCDRV 0x00020000 // Oscillator Drive Capability
#define HIB_CTL_OSCBYP 0x00010000 // Oscillator Bypass
#define HIB_CTL_VBATSEL_M 0x00006000 // Select for Low-Battery
// Comparator
#define HIB_CTL_VBATSEL_1_9V 0x00000000 // 1.9 Volts
#define HIB_CTL_VBATSEL_2_1V 0x00002000 // 2.1 Volts (default)
#define HIB_CTL_VBATSEL_2_3V 0x00004000 // 2.3 Volts
#define HIB_CTL_VBATSEL_2_5V 0x00006000 // 2.5 Volts
#define HIB_CTL_BATCHK 0x00000400 // Check Battery Status
#define HIB_CTL_BATWKEN 0x00000200 // Wake on Low Battery
#define HIB_CTL_VDD3ON 0x00000100 // VDD Powered
#define HIB_CTL_VABORT 0x00000080 // Power Cut Abort Enable
#define HIB_CTL_CLK32EN 0x00000040 // Clocking Enable
#define HIB_CTL_PINWEN 0x00000010 // External WAKE Pin Enable
#define HIB_CTL_RTCWEN 0x00000008 // RTC Wake-up Enable
#define HIB_CTL_HIBREQ 0x00000002 // Hibernation Request
#define HIB_CTL_RTCEN 0x00000001 // RTC Timer Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_IM register.
//
//*****************************************************************************
#define HIB_IM_WC 0x00000010 // External Write Complete/Capable
// Interrupt Mask
#define HIB_IM_EXTW 0x00000008 // External Wake-Up Interrupt Mask
#define HIB_IM_LOWBAT 0x00000004 // Low Battery Voltage Interrupt
// Mask
#define HIB_IM_RTCALT0 0x00000001 // RTC Alert 0 Interrupt Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_RIS register.
//
//*****************************************************************************
#define HIB_RIS_WC 0x00000010 // Write Complete/Capable Raw
// Interrupt Status
#define HIB_RIS_EXTW 0x00000008 // External Wake-Up Raw Interrupt
// Status
#define HIB_RIS_LOWBAT 0x00000004 // Low Battery Voltage Raw
// Interrupt Status
#define HIB_RIS_RTCALT0 0x00000001 // RTC Alert 0 Raw Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_MIS register.
//
//*****************************************************************************
#define HIB_MIS_WC 0x00000010 // Write Complete/Capable Masked
// Interrupt Status
#define HIB_MIS_EXTW 0x00000008 // External Wake-Up Masked
// Interrupt Status
#define HIB_MIS_LOWBAT 0x00000004 // Low Battery Voltage Masked
// Interrupt Status
#define HIB_MIS_RTCALT0 0x00000001 // RTC Alert 0 Masked Interrupt
// Status
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_IC register.
//
//*****************************************************************************
#define HIB_IC_WC 0x00000010 // Write Complete/Capable Masked
// Interrupt Clear
#define HIB_IC_EXTW 0x00000008 // External Wake-Up Masked
// Interrupt Clear
#define HIB_IC_LOWBAT 0x00000004 // Low Battery Voltage Masked
// Interrupt Clear
#define HIB_IC_RTCALT0 0x00000001 // RTC Alert0 Masked Interrupt
// Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_RTCT register.
//
//*****************************************************************************
#define HIB_RTCT_TRIM_M 0x0000FFFF // RTC Trim Value
#define HIB_RTCT_TRIM_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_RTCSS register.
//
//*****************************************************************************
#define HIB_RTCSS_RTCSSM_M 0x7FFF0000 // RTC Sub Seconds Match
#define HIB_RTCSS_RTCSSC_M 0x00007FFF // RTC Sub Seconds Count
#define HIB_RTCSS_RTCSSM_S 16
#define HIB_RTCSS_RTCSSC_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the HIB_DATA register.
//
//*****************************************************************************
#define HIB_DATA_RTD_M 0xFFFFFFFF // Hibernation Module NV Data
#define HIB_DATA_RTD_S 0
#endif // __HW_HIBERNATE_H__

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//*****************************************************************************
//
// hw_i2c.h - Macros used when accessing the I2C master and slave hardware.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_I2C_H__
#define __HW_I2C_H__
//*****************************************************************************
//
// The following are defines for the I2C register offsets.
//
//*****************************************************************************
#define I2C_O_MSA 0x00000000 // I2C Master Slave Address
#define I2C_O_MCS 0x00000004 // I2C Master Control/Status
#define I2C_O_MDR 0x00000008 // I2C Master Data
#define I2C_O_MTPR 0x0000000C // I2C Master Timer Period
#define I2C_O_MIMR 0x00000010 // I2C Master Interrupt Mask
#define I2C_O_MRIS 0x00000014 // I2C Master Raw Interrupt Status
#define I2C_O_MMIS 0x00000018 // I2C Master Masked Interrupt
// Status
#define I2C_O_MICR 0x0000001C // I2C Master Interrupt Clear
#define I2C_O_MCR 0x00000020 // I2C Master Configuration
#define I2C_O_MCLKOCNT 0x00000024 // I2C Master Clock Low Timeout
// Count
#define I2C_O_MBMON 0x0000002C // I2C Master Bus Monitor
#define I2C_O_MCR2 0x00000038 // I2C Master Configuration 2
#define I2C_O_SOAR 0x00000800 // I2C Slave Own Address
#define I2C_O_SCSR 0x00000804 // I2C Slave Control/Status
#define I2C_O_SDR 0x00000808 // I2C Slave Data
#define I2C_O_SIMR 0x0000080C // I2C Slave Interrupt Mask
#define I2C_O_SRIS 0x00000810 // I2C Slave Raw Interrupt Status
#define I2C_O_SMIS 0x00000814 // I2C Slave Masked Interrupt
// Status
#define I2C_O_SICR 0x00000818 // I2C Slave Interrupt Clear
#define I2C_O_SOAR2 0x0000081C // I2C Slave Own Address 2
#define I2C_O_SACKCTL 0x00000820 // I2C Slave ACK Control
#define I2C_O_PP 0x00000FC0 // I2C Peripheral Properties
#define I2C_O_PC 0x00000FC4 // I2C Peripheral Configuration
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MSA register.
//
//*****************************************************************************
#define I2C_MSA_SA_M 0x000000FE // I2C Slave Address
#define I2C_MSA_RS 0x00000001 // Receive not send
#define I2C_MSA_SA_S 1
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MCS register.
//
//*****************************************************************************
#define I2C_MCS_CLKTO 0x00000080 // Clock Timeout Error
#define I2C_MCS_BUSBSY 0x00000040 // Bus Busy
#define I2C_MCS_IDLE 0x00000020 // I2C Idle
#define I2C_MCS_ARBLST 0x00000010 // Arbitration Lost
#define I2C_MCS_HS 0x00000010 // High-Speed Enable
#define I2C_MCS_ACK 0x00000008 // Data Acknowledge Enable
#define I2C_MCS_DATACK 0x00000008 // Acknowledge Data
#define I2C_MCS_ADRACK 0x00000004 // Acknowledge Address
#define I2C_MCS_STOP 0x00000004 // Generate STOP
#define I2C_MCS_ERROR 0x00000002 // Error
#define I2C_MCS_START 0x00000002 // Generate START
#define I2C_MCS_RUN 0x00000001 // I2C Master Enable
#define I2C_MCS_BUSY 0x00000001 // I2C Busy
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MDR register.
//
//*****************************************************************************
#define I2C_MDR_DATA_M 0x000000FF // Data Transferred
#define I2C_MDR_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MTPR register.
//
//*****************************************************************************
#define I2C_MTPR_HS 0x00000080 // High-Speed Enable
#define I2C_MTPR_TPR_M 0x0000007F // Timer Period
#define I2C_MTPR_TPR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MIMR register.
//
//*****************************************************************************
#define I2C_MIMR_CLKIM 0x00000002 // Clock Timeout Interrupt Mask
#define I2C_MIMR_IM 0x00000001 // Master Interrupt Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MRIS register.
//
//*****************************************************************************
#define I2C_MRIS_CLKRIS 0x00000002 // Clock Timeout Raw Interrupt
// Status
#define I2C_MRIS_RIS 0x00000001 // Master Raw Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MMIS register.
//
//*****************************************************************************
#define I2C_MMIS_CLKMIS 0x00000002 // Clock Timeout Masked Interrupt
// Status
#define I2C_MMIS_MIS 0x00000001 // Masked Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MICR register.
//
//*****************************************************************************
#define I2C_MICR_CLKIC 0x00000002 // Clock Timeout Interrupt Clear
#define I2C_MICR_IC 0x00000001 // Master Interrupt Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MCR register.
//
//*****************************************************************************
#define I2C_MCR_GFE 0x00000040 // I2C Glitch Filter Enable
#define I2C_MCR_SFE 0x00000020 // I2C Slave Function Enable
#define I2C_MCR_MFE 0x00000010 // I2C Master Function Enable
#define I2C_MCR_LPBK 0x00000001 // I2C Loopback
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MCLKOCNT register.
//
//*****************************************************************************
#define I2C_MCLKOCNT_CNTL_M 0x000000FF // I2C Master Count
#define I2C_MCLKOCNT_CNTL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MBMON register.
//
//*****************************************************************************
#define I2C_MBMON_SDA 0x00000002 // I2C SDA Status
#define I2C_MBMON_SCL 0x00000001 // I2C SCL Status
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_MCR2 register.
//
//*****************************************************************************
#define I2C_MCR2_GFPW_M 0x00000070 // I2C Glitch Filter Pulse Width
#define I2C_MCR2_GFPW_BYPASS 0x00000000 // Bypass
#define I2C_MCR2_GFPW_1 0x00000010 // 1 clock
#define I2C_MCR2_GFPW_2 0x00000020 // 2 clocks
#define I2C_MCR2_GFPW_3 0x00000030 // 3 clocks
#define I2C_MCR2_GFPW_4 0x00000040 // 4 clocks
#define I2C_MCR2_GFPW_8 0x00000050 // 8 clocks
#define I2C_MCR2_GFPW_16 0x00000060 // 16 clocks
#define I2C_MCR2_GFPW_32 0x00000070 // 32 clocks
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SOAR register.
//
//*****************************************************************************
#define I2C_SOAR_OAR_M 0x0000007F // I2C Slave Own Address
#define I2C_SOAR_OAR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SCSR register.
//
//*****************************************************************************
#define I2C_SCSR_OAR2SEL 0x00000008 // OAR2 Address Matched
#define I2C_SCSR_FBR 0x00000004 // First Byte Received
#define I2C_SCSR_TREQ 0x00000002 // Transmit Request
#define I2C_SCSR_DA 0x00000001 // Device Active
#define I2C_SCSR_RREQ 0x00000001 // Receive Request
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SDR register.
//
//*****************************************************************************
#define I2C_SDR_DATA_M 0x000000FF // Data for Transfer
#define I2C_SDR_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SIMR register.
//
//*****************************************************************************
#define I2C_SIMR_STOPIM 0x00000004 // Stop Condition Interrupt Mask
#define I2C_SIMR_STARTIM 0x00000002 // Start Condition Interrupt Mask
#define I2C_SIMR_DATAIM 0x00000001 // Data Interrupt Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SRIS register.
//
//*****************************************************************************
#define I2C_SRIS_STOPRIS 0x00000004 // Stop Condition Raw Interrupt
// Status
#define I2C_SRIS_STARTRIS 0x00000002 // Start Condition Raw Interrupt
// Status
#define I2C_SRIS_DATARIS 0x00000001 // Data Raw Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SMIS register.
//
//*****************************************************************************
#define I2C_SMIS_STOPMIS 0x00000004 // Stop Condition Masked Interrupt
// Status
#define I2C_SMIS_STARTMIS 0x00000002 // Start Condition Masked Interrupt
// Status
#define I2C_SMIS_DATAMIS 0x00000001 // Data Masked Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SICR register.
//
//*****************************************************************************
#define I2C_SICR_STOPIC 0x00000004 // Stop Condition Interrupt Clear
#define I2C_SICR_STARTIC 0x00000002 // Start Condition Interrupt Clear
#define I2C_SICR_DATAIC 0x00000001 // Data Interrupt Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SOAR2 register.
//
//*****************************************************************************
#define I2C_SOAR2_OAR2EN 0x00000080 // I2C Slave Own Address 2 Enable
#define I2C_SOAR2_OAR2_M 0x0000007F // I2C Slave Own Address 2
#define I2C_SOAR2_OAR2_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_SACKCTL register.
//
//*****************************************************************************
#define I2C_SACKCTL_ACKOVAL 0x00000002 // I2C Slave ACK Override Value
#define I2C_SACKCTL_ACKOEN 0x00000001 // I2C Slave ACK Override Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_PP register.
//
//*****************************************************************************
#define I2C_PP_HS 0x00000001 // High-Speed Capable
//*****************************************************************************
//
// The following are defines for the bit fields in the I2C_O_PC register.
//
//*****************************************************************************
#define I2C_PC_HS 0x00000001 // High-Speed Capable
#endif // __HW_I2C_H__

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//*****************************************************************************
//
// hw_ints.h - Macros that define the interrupt assignment on Tiva C Series
// MCUs.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_INTS_H__
#define __HW_INTS_H__
//*****************************************************************************
//
// The following are defines for the fault assignments.
//
//*****************************************************************************
#define FAULT_NMI 2 // NMI fault
#define FAULT_HARD 3 // Hard fault
#define FAULT_MPU 4 // MPU fault
#define FAULT_BUS 5 // Bus fault
#define FAULT_USAGE 6 // Usage fault
#define FAULT_SVCALL 11 // SVCall
#define FAULT_DEBUG 12 // Debug monitor
#define FAULT_PENDSV 14 // PendSV
#define FAULT_SYSTICK 15 // System Tick
//*****************************************************************************
//
// Blizzard Class Interrupts
//
//*****************************************************************************
#define INT_GPIOA_BLIZZARD 16 // GPIO Port A
#define INT_GPIOB_BLIZZARD 17 // GPIO Port B
#define INT_GPIOC_BLIZZARD 18 // GPIO Port C
#define INT_GPIOD_BLIZZARD 19 // GPIO Port D
#define INT_GPIOE_BLIZZARD 20 // GPIO Port E
#define INT_UART0_BLIZZARD 21 // UART0
#define INT_UART1_BLIZZARD 22 // UART1
#define INT_SSI0_BLIZZARD 23 // SSI0
#define INT_I2C0_BLIZZARD 24 // I2C0
#define INT_PWM0_FAULT_BLIZZARD 25 // PWM0 Fault
#define INT_PWM0_0_BLIZZARD 26 // PWM0 Generator 0
#define INT_PWM0_1_BLIZZARD 27 // PWM0 Generator 1
#define INT_PWM0_2_BLIZZARD 28 // PWM0 Generator 2
#define INT_QEI0_BLIZZARD 29 // QEI0
#define INT_ADC0SS0_BLIZZARD 30 // ADC0 Sequence 0
#define INT_ADC0SS1_BLIZZARD 31 // ADC0 Sequence 1
#define INT_ADC0SS2_BLIZZARD 32 // ADC0 Sequence 2
#define INT_ADC0SS3_BLIZZARD 33 // ADC0 Sequence 3
#define INT_WATCHDOG_BLIZZARD 34 // Watchdog Timers 0 and 1
#define INT_TIMER0A_BLIZZARD 35 // 16/32-Bit Timer 0A
#define INT_TIMER0B_BLIZZARD 36 // 16/32-Bit Timer 0B
#define INT_TIMER1A_BLIZZARD 37 // 16/32-Bit Timer 1A
#define INT_TIMER1B_BLIZZARD 38 // 16/32-Bit Timer 1B
#define INT_TIMER2A_BLIZZARD 39 // 16/32-Bit Timer 2A
#define INT_TIMER2B_BLIZZARD 40 // 16/32-Bit Timer 2B
#define INT_COMP0_BLIZZARD 41 // Analog Comparator 0
#define INT_COMP1_BLIZZARD 42 // Analog Comparator 1
#define INT_COMP2_BLIZZARD 43 // Analog Comparator 2
#define INT_SYSCTL_BLIZZARD 44 // System Control
#define INT_FLASH_BLIZZARD 45 // Flash Memory Control and EEPROM
// Control
#define INT_GPIOF_BLIZZARD 46 // GPIO Port F
#define INT_GPIOG_BLIZZARD 47 // GPIO Port G
#define INT_GPIOH_BLIZZARD 48 // GPIO Port H
#define INT_UART2_BLIZZARD 49 // UART2
#define INT_SSI1_BLIZZARD 50 // SSI1
#define INT_TIMER3A_BLIZZARD 51 // Timer 3A
#define INT_TIMER3B_BLIZZARD 52 // Timer 3B
#define INT_I2C1_BLIZZARD 53 // I2C1
#define INT_QEI1_BLIZZARD 54 // QEI1
#define INT_CAN0_BLIZZARD 55 // CAN0
#define INT_CAN1_BLIZZARD 56 // CAN1
#define INT_HIBERNATE_BLIZZARD 59 // Hibernation Module
#define INT_USB0_BLIZZARD 60 // USB
#define INT_PWM0_3_BLIZZARD 61 // PWM Generator 3
#define INT_UDMA_BLIZZARD 62 // uDMA Software
#define INT_UDMAERR_BLIZZARD 63 // uDMA Error
#define INT_ADC1SS0_BLIZZARD 64 // ADC1 Sequence 0
#define INT_ADC1SS1_BLIZZARD 65 // ADC1 Sequence 1
#define INT_ADC1SS2_BLIZZARD 66 // ADC1 Sequence 2
#define INT_ADC1SS3_BLIZZARD 67 // ADC1 Sequence 3
#define INT_GPIOJ_BLIZZARD 70 // GPIO Port J
#define INT_GPIOK_BLIZZARD 71 // GPIO Port K
#define INT_GPIOL_BLIZZARD 72 // GPIO Port L
#define INT_SSI2_BLIZZARD 73 // SSI2
#define INT_SSI3_BLIZZARD 74 // SSI3
#define INT_UART3_BLIZZARD 75 // UART3
#define INT_UART4_BLIZZARD 76 // UART4
#define INT_UART5_BLIZZARD 77 // UART5
#define INT_UART6_BLIZZARD 78 // UART6
#define INT_UART7_BLIZZARD 79 // UART7
#define INT_I2C2_BLIZZARD 84 // I2C2
#define INT_I2C3_BLIZZARD 85 // I2C3
#define INT_TIMER4A_BLIZZARD 86 // 16/32-Bit Timer 4A
#define INT_TIMER4B_BLIZZARD 87 // 16/32-Bit Timer 4B
#define INT_TIMER5A_BLIZZARD 108 // 16/32-Bit Timer 5A
#define INT_TIMER5B_BLIZZARD 109 // 16/32-Bit Timer 5B
#define INT_WTIMER0A_BLIZZARD 110 // 32/64-Bit Timer 0A
#define INT_WTIMER0B_BLIZZARD 111 // 32/64-Bit Timer 0B
#define INT_WTIMER1A_BLIZZARD 112 // 32/64-Bit Timer 1A
#define INT_WTIMER1B_BLIZZARD 113 // 32/64-Bit Timer 1B
#define INT_WTIMER2A_BLIZZARD 114 // 32/64-Bit Timer 2A
#define INT_WTIMER2B_BLIZZARD 115 // 32/64-Bit Timer 2B
#define INT_WTIMER3A_BLIZZARD 116 // 32/64-Bit Timer 3A
#define INT_WTIMER3B_BLIZZARD 117 // 32/64-Bit Timer 3B
#define INT_WTIMER4A_BLIZZARD 118 // 32/64-Bit Timer 4A
#define INT_WTIMER4B_BLIZZARD 119 // 32/64-Bit Timer 4B
#define INT_WTIMER5A_BLIZZARD 120 // 32/64-Bit Timer 5A
#define INT_WTIMER5B_BLIZZARD 121 // 32/64-Bit Timer 5B
#define INT_SYSEXC_BLIZZARD 122 // System Exception (imprecise)
#define INT_PECI0_BLIZZARD 123 // PECI 0
#define INT_LPC0_BLIZZARD 124 // LPC 0
#define INT_I2C4_BLIZZARD 125 // I2C4
#define INT_I2C5_BLIZZARD 126 // I2C5
#define INT_GPIOM_BLIZZARD 127 // GPIO Port M
#define INT_GPION_BLIZZARD 128 // GPIO Port N
#define INT_FAN0_BLIZZARD 130 // FAN 0
#define INT_GPIOP0_BLIZZARD 132 // GPIO Port P (Summary or P0)
#define INT_GPIOP1_BLIZZARD 133 // GPIO Port P1
#define INT_GPIOP2_BLIZZARD 134 // GPIO Port P2
#define INT_GPIOP3_BLIZZARD 135 // GPIO Port P3
#define INT_GPIOP4_BLIZZARD 136 // GPIO Port P4
#define INT_GPIOP5_BLIZZARD 137 // GPIO Port P5
#define INT_GPIOP6_BLIZZARD 138 // GPIO Port P6
#define INT_GPIOP7_BLIZZARD 139 // GPIO Port P7
#define INT_GPIOQ0_BLIZZARD 140 // GPIO Port Q (Summary or Q0)
#define INT_GPIOQ1_BLIZZARD 141 // GPIO Port Q1
#define INT_GPIOQ2_BLIZZARD 142 // GPIO Port Q2
#define INT_GPIOQ3_BLIZZARD 143 // GPIO Port Q3
#define INT_GPIOQ4_BLIZZARD 144 // GPIO Port Q4
#define INT_GPIOQ5_BLIZZARD 145 // GPIO Port Q5
#define INT_GPIOQ6_BLIZZARD 146 // GPIO Port Q6
#define INT_GPIOQ7_BLIZZARD 147 // GPIO Port Q7
#define INT_PWM1_0_BLIZZARD 150 // PWM1 Generator 0
#define INT_PWM1_1_BLIZZARD 151 // PWM1 Generator 1
#define INT_PWM1_2_BLIZZARD 152 // PWM1 Generator 2
#define INT_PWM1_3_BLIZZARD 153 // PWM1 Generator 3
#define INT_PWM1_FAULT_BLIZZARD 154 // PWM1 Fault
#define NUM_INTERRUPTS_BLIZZARD 155
//*****************************************************************************
//
// Blizzard Interrupt Class Definition
//
//*****************************************************************************
#if defined(TARGET_IS_BLIZZARD_RA1) || defined(TARGET_IS_BLIZZARD_RA2) || \
defined(TARGET_IS_BLIZZARD_RA3) || defined(TARGET_IS_BLIZZARD_RB0) || \
defined(TARGET_IS_BLIZZARD_RB1) || defined(PART_TM4C1230C3PM) || \
defined(PART_TM4C1230D5PM) || defined(PART_TM4C1230E6PM) || \
defined(PART_TM4C1230H6PM) || defined(PART_TM4C1231C3PM) || \
defined(PART_TM4C1231D5PM) || defined(PART_TM4C1231D5PZ) || \
defined(PART_TM4C1231E6PM) || defined(PART_TM4C1231E6PZ) || \
defined(PART_TM4C1231H6PM) || defined(PART_TM4C1231H6PZ) || \
defined(PART_TM4C1232C3PM) || defined(PART_TM4C1232D5PM) || \
defined(PART_TM4C1232E6PM) || defined(PART_TM4C1232H6PM) || \
defined(PART_TM4C1233C3PM) || defined(PART_TM4C1233D5PM) || \
defined(PART_TM4C1233D5PZ) || defined(PART_TM4C1233E6PM) || \
defined(PART_TM4C1233E6PZ) || defined(PART_TM4C1233H6PM) || \
defined(PART_TM4C1233H6PZ) || defined(PART_TM4C1236D5PM) || \
defined(PART_TM4C1236E6PM) || defined(PART_TM4C1236H6PM) || \
defined(PART_TM4C1237D5PM) || defined(PART_TM4C1237D5PZ) || \
defined(PART_TM4C1237E6PM) || defined(PART_TM4C1237E6PZ) || \
defined(PART_TM4C1237H6PM) || defined(PART_TM4C1237H6PZ) || \
defined(PART_TM4C123AE6PM) || defined(PART_TM4C123AH6PM) || \
defined(PART_TM4C123BE6PM) || defined(PART_TM4C123BE6PZ) || \
defined(PART_TM4C123BH6PM) || defined(PART_TM4C123BH6PZ) || \
defined(PART_TM4C123FE6PM) || defined(PART_TM4C123FH6PM) || \
defined(PART_TM4C123GE6PM) || defined(PART_TM4C123GE6PZ) || \
defined(PART_TM4C123GH6PM) || defined(PART_TM4C123GH6PZ) || \
defined(PART_TM4C1231H6PGE) || defined(PART_TM4C1233H6PGE) || \
defined(PART_TM4C1237H6PGE) || defined(PART_TM4C123BH6PGE) || \
defined(PART_TM4C123BH6ZRB) || defined(PART_TM4C123GH6PGE) || \
defined(PART_TM4C123GH6ZRB)
#define INT_RESOLVE(intname, class) intname##BLIZZARD
#else
#define INT_DEVICE_CLASS "UNKNOWN"
#endif
//*****************************************************************************
//
// Macros to resolve the INT_PERIPH_CLASS name to a common INT_PERIPH name.
//
//*****************************************************************************
#define INT_CONCAT(intname, class) INT_RESOLVE(intname, class)
//*****************************************************************************
//
// The following are defines for the interrupt assignments.
//
//*****************************************************************************
#define INT_ADC0SS0 INT_CONCAT(INT_ADC0SS0_, INT_DEVICE_CLASS)
#define INT_ADC0SS1 INT_CONCAT(INT_ADC0SS1_, INT_DEVICE_CLASS)
#define INT_ADC0SS2 INT_CONCAT(INT_ADC0SS2_, INT_DEVICE_CLASS)
#define INT_ADC0SS3 INT_CONCAT(INT_ADC0SS3_, INT_DEVICE_CLASS)
#define INT_ADC1SS0 INT_CONCAT(INT_ADC1SS0_, INT_DEVICE_CLASS)
#define INT_ADC1SS1 INT_CONCAT(INT_ADC1SS1_, INT_DEVICE_CLASS)
#define INT_ADC1SS2 INT_CONCAT(INT_ADC1SS2_, INT_DEVICE_CLASS)
#define INT_ADC1SS3 INT_CONCAT(INT_ADC1SS3_, INT_DEVICE_CLASS)
#define INT_CAN0 INT_CONCAT(INT_CAN0_, INT_DEVICE_CLASS)
#define INT_CAN1 INT_CONCAT(INT_CAN1_, INT_DEVICE_CLASS)
#define INT_COMP0 INT_CONCAT(INT_COMP0_, INT_DEVICE_CLASS)
#define INT_COMP1 INT_CONCAT(INT_COMP1_, INT_DEVICE_CLASS)
#define INT_COMP2 INT_CONCAT(INT_COMP2_, INT_DEVICE_CLASS)
#define INT_FLASH INT_CONCAT(INT_FLASH_, INT_DEVICE_CLASS)
#define INT_GPIOA INT_CONCAT(INT_GPIOA_, INT_DEVICE_CLASS)
#define INT_GPIOB INT_CONCAT(INT_GPIOB_, INT_DEVICE_CLASS)
#define INT_GPIOC INT_CONCAT(INT_GPIOC_, INT_DEVICE_CLASS)
#define INT_GPIOD INT_CONCAT(INT_GPIOD_, INT_DEVICE_CLASS)
#define INT_GPIOE INT_CONCAT(INT_GPIOE_, INT_DEVICE_CLASS)
#define INT_GPIOF INT_CONCAT(INT_GPIOF_, INT_DEVICE_CLASS)
#define INT_GPIOG INT_CONCAT(INT_GPIOG_, INT_DEVICE_CLASS)
#define INT_GPIOH INT_CONCAT(INT_GPIOH_, INT_DEVICE_CLASS)
#define INT_GPIOJ INT_CONCAT(INT_GPIOJ_, INT_DEVICE_CLASS)
#define INT_GPIOK INT_CONCAT(INT_GPIOK_, INT_DEVICE_CLASS)
#define INT_GPIOL INT_CONCAT(INT_GPIOL_, INT_DEVICE_CLASS)
#define INT_GPIOM INT_CONCAT(INT_GPIOM_, INT_DEVICE_CLASS)
#define INT_GPION INT_CONCAT(INT_GPION_, INT_DEVICE_CLASS)
#define INT_GPIOP0 INT_CONCAT(INT_GPIOP0_, INT_DEVICE_CLASS)
#define INT_GPIOP1 INT_CONCAT(INT_GPIOP1_, INT_DEVICE_CLASS)
#define INT_GPIOP2 INT_CONCAT(INT_GPIOP2_, INT_DEVICE_CLASS)
#define INT_GPIOP3 INT_CONCAT(INT_GPIOP3_, INT_DEVICE_CLASS)
#define INT_GPIOP4 INT_CONCAT(INT_GPIOP4_, INT_DEVICE_CLASS)
#define INT_GPIOP5 INT_CONCAT(INT_GPIOP5_, INT_DEVICE_CLASS)
#define INT_GPIOP6 INT_CONCAT(INT_GPIOP6_, INT_DEVICE_CLASS)
#define INT_GPIOP7 INT_CONCAT(INT_GPIOP7_, INT_DEVICE_CLASS)
#define INT_GPIOQ0 INT_CONCAT(INT_GPIOQ0_, INT_DEVICE_CLASS)
#define INT_GPIOQ1 INT_CONCAT(INT_GPIOQ1_, INT_DEVICE_CLASS)
#define INT_GPIOQ2 INT_CONCAT(INT_GPIOQ2_, INT_DEVICE_CLASS)
#define INT_GPIOQ3 INT_CONCAT(INT_GPIOQ3_, INT_DEVICE_CLASS)
#define INT_GPIOQ4 INT_CONCAT(INT_GPIOQ4_, INT_DEVICE_CLASS)
#define INT_GPIOQ5 INT_CONCAT(INT_GPIOQ5_, INT_DEVICE_CLASS)
#define INT_GPIOQ6 INT_CONCAT(INT_GPIOQ6_, INT_DEVICE_CLASS)
#define INT_GPIOQ7 INT_CONCAT(INT_GPIOQ7_, INT_DEVICE_CLASS)
#define INT_HIBERNATE INT_CONCAT(INT_HIBERNATE_, INT_DEVICE_CLASS)
#define INT_I2C0 INT_CONCAT(INT_I2C0_, INT_DEVICE_CLASS)
#define INT_I2C1 INT_CONCAT(INT_I2C1_, INT_DEVICE_CLASS)
#define INT_I2C2 INT_CONCAT(INT_I2C2_, INT_DEVICE_CLASS)
#define INT_I2C3 INT_CONCAT(INT_I2C3_, INT_DEVICE_CLASS)
#define INT_I2C4 INT_CONCAT(INT_I2C4_, INT_DEVICE_CLASS)
#define INT_I2C5 INT_CONCAT(INT_I2C5_, INT_DEVICE_CLASS)
#define INT_PWM0_0 INT_CONCAT(INT_PWM0_0_, INT_DEVICE_CLASS)
#define INT_PWM0_1 INT_CONCAT(INT_PWM0_1_, INT_DEVICE_CLASS)
#define INT_PWM0_2 INT_CONCAT(INT_PWM0_2_, INT_DEVICE_CLASS)
#define INT_PWM0_3 INT_CONCAT(INT_PWM0_3_, INT_DEVICE_CLASS)
#define INT_PWM0_FAULT INT_CONCAT(INT_PWM0_FAULT_, INT_DEVICE_CLASS)
#define INT_PWM1_0 INT_CONCAT(INT_PWM1_0_, INT_DEVICE_CLASS)
#define INT_PWM1_1 INT_CONCAT(INT_PWM1_1_, INT_DEVICE_CLASS)
#define INT_PWM1_2 INT_CONCAT(INT_PWM1_2_, INT_DEVICE_CLASS)
#define INT_PWM1_3 INT_CONCAT(INT_PWM1_3_, INT_DEVICE_CLASS)
#define INT_PWM1_FAULT INT_CONCAT(INT_PWM1_FAULT_, INT_DEVICE_CLASS)
#define INT_QEI0 INT_CONCAT(INT_QEI0_, INT_DEVICE_CLASS)
#define INT_QEI1 INT_CONCAT(INT_QEI1_, INT_DEVICE_CLASS)
#define INT_SSI0 INT_CONCAT(INT_SSI0_, INT_DEVICE_CLASS)
#define INT_SSI1 INT_CONCAT(INT_SSI1_, INT_DEVICE_CLASS)
#define INT_SSI2 INT_CONCAT(INT_SSI2_, INT_DEVICE_CLASS)
#define INT_SSI3 INT_CONCAT(INT_SSI3_, INT_DEVICE_CLASS)
#define INT_SYSCTL INT_CONCAT(INT_SYSCTL_, INT_DEVICE_CLASS)
#define INT_SYSEXC INT_CONCAT(INT_SYSEXC_, INT_DEVICE_CLASS)
#define INT_TIMER0A INT_CONCAT(INT_TIMER0A_, INT_DEVICE_CLASS)
#define INT_TIMER0B INT_CONCAT(INT_TIMER0B_, INT_DEVICE_CLASS)
#define INT_TIMER1A INT_CONCAT(INT_TIMER1A_, INT_DEVICE_CLASS)
#define INT_TIMER1B INT_CONCAT(INT_TIMER1B_, INT_DEVICE_CLASS)
#define INT_TIMER2A INT_CONCAT(INT_TIMER2A_, INT_DEVICE_CLASS)
#define INT_TIMER2B INT_CONCAT(INT_TIMER2B_, INT_DEVICE_CLASS)
#define INT_TIMER3A INT_CONCAT(INT_TIMER3A_, INT_DEVICE_CLASS)
#define INT_TIMER3B INT_CONCAT(INT_TIMER3B_, INT_DEVICE_CLASS)
#define INT_TIMER4A INT_CONCAT(INT_TIMER4A_, INT_DEVICE_CLASS)
#define INT_TIMER4B INT_CONCAT(INT_TIMER4B_, INT_DEVICE_CLASS)
#define INT_TIMER5A INT_CONCAT(INT_TIMER5A_, INT_DEVICE_CLASS)
#define INT_TIMER5B INT_CONCAT(INT_TIMER5B_, INT_DEVICE_CLASS)
#define INT_UART0 INT_CONCAT(INT_UART0_, INT_DEVICE_CLASS)
#define INT_UART1 INT_CONCAT(INT_UART1_, INT_DEVICE_CLASS)
#define INT_UART2 INT_CONCAT(INT_UART2_, INT_DEVICE_CLASS)
#define INT_UART3 INT_CONCAT(INT_UART3_, INT_DEVICE_CLASS)
#define INT_UART4 INT_CONCAT(INT_UART4_, INT_DEVICE_CLASS)
#define INT_UART5 INT_CONCAT(INT_UART5_, INT_DEVICE_CLASS)
#define INT_UART6 INT_CONCAT(INT_UART6_, INT_DEVICE_CLASS)
#define INT_UART7 INT_CONCAT(INT_UART7_, INT_DEVICE_CLASS)
#define INT_UDMA INT_CONCAT(INT_UDMA_, INT_DEVICE_CLASS)
#define INT_UDMAERR INT_CONCAT(INT_UDMAERR_, INT_DEVICE_CLASS)
#define INT_USB0 INT_CONCAT(INT_USB0_, INT_DEVICE_CLASS)
#define INT_WATCHDOG INT_CONCAT(INT_WATCHDOG_, INT_DEVICE_CLASS)
#define INT_WTIMER0A INT_CONCAT(INT_WTIMER0A_, INT_DEVICE_CLASS)
#define INT_WTIMER0B INT_CONCAT(INT_WTIMER0B_, INT_DEVICE_CLASS)
#define INT_WTIMER1A INT_CONCAT(INT_WTIMER1A_, INT_DEVICE_CLASS)
#define INT_WTIMER1B INT_CONCAT(INT_WTIMER1B_, INT_DEVICE_CLASS)
#define INT_WTIMER2A INT_CONCAT(INT_WTIMER2A_, INT_DEVICE_CLASS)
#define INT_WTIMER2B INT_CONCAT(INT_WTIMER2B_, INT_DEVICE_CLASS)
#define INT_WTIMER3A INT_CONCAT(INT_WTIMER3A_, INT_DEVICE_CLASS)
#define INT_WTIMER3B INT_CONCAT(INT_WTIMER3B_, INT_DEVICE_CLASS)
#define INT_WTIMER4A INT_CONCAT(INT_WTIMER4A_, INT_DEVICE_CLASS)
#define INT_WTIMER4B INT_CONCAT(INT_WTIMER4B_, INT_DEVICE_CLASS)
#define INT_WTIMER5A INT_CONCAT(INT_WTIMER5A_, INT_DEVICE_CLASS)
#define INT_WTIMER5B INT_CONCAT(INT_WTIMER5B_, INT_DEVICE_CLASS)
//*****************************************************************************
//
// The following are defines for the total number of interrupts.
//
//*****************************************************************************
#define NUM_INTERRUPTS INT_CONCAT(NUM_INTERRUPTS_, INT_DEVICE_CLASS)
//*****************************************************************************
//
// The following are defines for the total number of priority levels.
//
//*****************************************************************************
#define NUM_PRIORITY 8
#define NUM_PRIORITY_BITS 3
#endif // __HW_INTS_H__

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//*****************************************************************************
//
// hw_lpc.h - Macros used when accessing the LPC hardware.
//
// Copyright (c) 2010-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_LPC_H__
#define __HW_LPC_H__
//*****************************************************************************
//
// The following are defines for the LPC register addresses.
//
//*****************************************************************************
#endif // __HW_LPC_H__

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//*****************************************************************************
//
// hw_memmap.h - Macros defining the memory map of the device.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_MEMMAP_H__
#define __HW_MEMMAP_H__
//*****************************************************************************
//
// The following are defines for the base address of the memories and
// peripherals.
//
//*****************************************************************************
#define FLASH_BASE 0x00000000 // FLASH memory
#define SRAM_BASE 0x20000000 // SRAM memory
#define WATCHDOG0_BASE 0x40000000 // Watchdog0
#define WATCHDOG1_BASE 0x40001000 // Watchdog1
#define GPIO_PORTA_BASE 0x40004000 // GPIO Port A
#define GPIO_PORTB_BASE 0x40005000 // GPIO Port B
#define GPIO_PORTC_BASE 0x40006000 // GPIO Port C
#define GPIO_PORTD_BASE 0x40007000 // GPIO Port D
#define SSI0_BASE 0x40008000 // SSI0
#define SSI1_BASE 0x40009000 // SSI1
#define SSI2_BASE 0x4000A000 // SSI2
#define SSI3_BASE 0x4000B000 // SSI3
#define UART0_BASE 0x4000C000 // UART0
#define UART1_BASE 0x4000D000 // UART1
#define UART2_BASE 0x4000E000 // UART2
#define UART3_BASE 0x4000F000 // UART3
#define UART4_BASE 0x40010000 // UART4
#define UART5_BASE 0x40011000 // UART5
#define UART6_BASE 0x40012000 // UART6
#define UART7_BASE 0x40013000 // UART7
#define I2C0_BASE 0x40020000 // I2C0
#define I2C1_BASE 0x40021000 // I2C1
#define I2C2_BASE 0x40022000 // I2C2
#define I2C3_BASE 0x40023000 // I2C3
#define GPIO_PORTE_BASE 0x40024000 // GPIO Port E
#define GPIO_PORTF_BASE 0x40025000 // GPIO Port F
#define GPIO_PORTG_BASE 0x40026000 // GPIO Port G
#define GPIO_PORTH_BASE 0x40027000 // GPIO Port H
#define PWM0_BASE 0x40028000 // Pulse Width Modulator (PWM)
#define PWM1_BASE 0x40029000 // Pulse Width Modulator (PWM)
#define QEI0_BASE 0x4002C000 // QEI0
#define QEI1_BASE 0x4002D000 // QEI1
#define TIMER0_BASE 0x40030000 // Timer0
#define TIMER1_BASE 0x40031000 // Timer1
#define TIMER2_BASE 0x40032000 // Timer2
#define TIMER3_BASE 0x40033000 // Timer3
#define TIMER4_BASE 0x40034000 // Timer4
#define TIMER5_BASE 0x40035000 // Timer5
#define WTIMER0_BASE 0x40036000 // Wide Timer0
#define WTIMER1_BASE 0x40037000 // Wide Timer1
#define ADC0_BASE 0x40038000 // ADC0
#define ADC1_BASE 0x40039000 // ADC1
#define COMP_BASE 0x4003C000 // Analog comparators
#define GPIO_PORTJ_BASE 0x4003D000 // GPIO Port J
#define CAN0_BASE 0x40040000 // CAN0
#define CAN1_BASE 0x40041000 // CAN1
#define WTIMER2_BASE 0x4004C000 // Wide Timer2
#define WTIMER3_BASE 0x4004D000 // Wide Timer3
#define WTIMER4_BASE 0x4004E000 // Wide Timer4
#define WTIMER5_BASE 0x4004F000 // Wide Timer5
#define USB0_BASE 0x40050000 // USB 0 Controller
#define GPIO_PORTA_AHB_BASE 0x40058000 // GPIO Port A (high speed)
#define GPIO_PORTB_AHB_BASE 0x40059000 // GPIO Port B (high speed)
#define GPIO_PORTC_AHB_BASE 0x4005A000 // GPIO Port C (high speed)
#define GPIO_PORTD_AHB_BASE 0x4005B000 // GPIO Port D (high speed)
#define GPIO_PORTE_AHB_BASE 0x4005C000 // GPIO Port E (high speed)
#define GPIO_PORTF_AHB_BASE 0x4005D000 // GPIO Port F (high speed)
#define GPIO_PORTG_AHB_BASE 0x4005E000 // GPIO Port G (high speed)
#define GPIO_PORTH_AHB_BASE 0x4005F000 // GPIO Port H (high speed)
#define GPIO_PORTJ_AHB_BASE 0x40060000 // GPIO Port J (high speed)
#define GPIO_PORTK_BASE 0x40061000 // GPIO Port K
#define GPIO_PORTL_BASE 0x40062000 // GPIO Port L
#define GPIO_PORTM_BASE 0x40063000 // GPIO Port M
#define GPIO_PORTN_BASE 0x40064000 // GPIO Port N
#define GPIO_PORTP_BASE 0x40065000 // GPIO Port P
#define GPIO_PORTQ_BASE 0x40066000 // GPIO Port Q
#define EEPROM_BASE 0x400AF000 // EEPROM memory
#define I2C4_BASE 0x400C0000 // I2C4
#define I2C5_BASE 0x400C1000 // I2C5
#define SYSEXC_BASE 0x400F9000 // System Exception Module
#define HIB_BASE 0x400FC000 // Hibernation Module
#define FLASH_CTRL_BASE 0x400FD000 // FLASH Controller
#define SYSCTL_BASE 0x400FE000 // System Control
#define UDMA_BASE 0x400FF000 // uDMA Controller
#define ITM_BASE 0xE0000000 // Instrumentation Trace Macrocell
#define DWT_BASE 0xE0001000 // Data Watchpoint and Trace
#define FPB_BASE 0xE0002000 // FLASH Patch and Breakpoint
#define NVIC_BASE 0xE000E000 // Nested Vectored Interrupt Ctrl
#define TPIU_BASE 0xE0040000 // Trace Port Interface Unit
#endif // __HW_MEMMAP_H__

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//*****************************************************************************
//
// hw_peci.h - Macros used when accessing the PECI hardware.
//
// Copyright (c) 2010-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_PECI_H__
#define __HW_PECI_H__
//*****************************************************************************
//
// The following are defines for the PECI register addresses.
//
//*****************************************************************************
#endif // __HW_PECI_H__

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//*****************************************************************************
//
// hw_qei.h - Macros used when accessing the QEI hardware.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_QEI_H__
#define __HW_QEI_H__
//*****************************************************************************
//
// The following are defines for the QEI register offsets.
//
//*****************************************************************************
#define QEI_O_CTL 0x00000000 // QEI Control
#define QEI_O_STAT 0x00000004 // QEI Status
#define QEI_O_POS 0x00000008 // QEI Position
#define QEI_O_MAXPOS 0x0000000C // QEI Maximum Position
#define QEI_O_LOAD 0x00000010 // QEI Timer Load
#define QEI_O_TIME 0x00000014 // QEI Timer
#define QEI_O_COUNT 0x00000018 // QEI Velocity Counter
#define QEI_O_SPEED 0x0000001C // QEI Velocity
#define QEI_O_INTEN 0x00000020 // QEI Interrupt Enable
#define QEI_O_RIS 0x00000024 // QEI Raw Interrupt Status
#define QEI_O_ISC 0x00000028 // QEI Interrupt Status and Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_CTL register.
//
//*****************************************************************************
#define QEI_CTL_FILTCNT_M 0x000F0000 // Input Filter Prescale Count
#define QEI_CTL_FILTEN 0x00002000 // Enable Input Filter
#define QEI_CTL_STALLEN 0x00001000 // Stall QEI
#define QEI_CTL_INVI 0x00000800 // Invert Index Pulse
#define QEI_CTL_INVB 0x00000400 // Invert PhB
#define QEI_CTL_INVA 0x00000200 // Invert PhA
#define QEI_CTL_VELDIV_M 0x000001C0 // Predivide Velocity
#define QEI_CTL_VELDIV_1 0x00000000 // QEI clock /1
#define QEI_CTL_VELDIV_2 0x00000040 // QEI clock /2
#define QEI_CTL_VELDIV_4 0x00000080 // QEI clock /4
#define QEI_CTL_VELDIV_8 0x000000C0 // QEI clock /8
#define QEI_CTL_VELDIV_16 0x00000100 // QEI clock /16
#define QEI_CTL_VELDIV_32 0x00000140 // QEI clock /32
#define QEI_CTL_VELDIV_64 0x00000180 // QEI clock /64
#define QEI_CTL_VELDIV_128 0x000001C0 // QEI clock /128
#define QEI_CTL_VELEN 0x00000020 // Capture Velocity
#define QEI_CTL_RESMODE 0x00000010 // Reset Mode
#define QEI_CTL_CAPMODE 0x00000008 // Capture Mode
#define QEI_CTL_SIGMODE 0x00000004 // Signal Mode
#define QEI_CTL_SWAP 0x00000002 // Swap Signals
#define QEI_CTL_ENABLE 0x00000001 // Enable QEI
#define QEI_CTL_FILTCNT_S 16
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_STAT register.
//
//*****************************************************************************
#define QEI_STAT_DIRECTION 0x00000002 // Direction of Rotation
#define QEI_STAT_ERROR 0x00000001 // Error Detected
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_POS register.
//
//*****************************************************************************
#define QEI_POS_M 0xFFFFFFFF // Current Position Integrator
// Value
#define QEI_POS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_MAXPOS register.
//
//*****************************************************************************
#define QEI_MAXPOS_M 0xFFFFFFFF // Maximum Position Integrator
// Value
#define QEI_MAXPOS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_LOAD register.
//
//*****************************************************************************
#define QEI_LOAD_M 0xFFFFFFFF // Velocity Timer Load Value
#define QEI_LOAD_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_TIME register.
//
//*****************************************************************************
#define QEI_TIME_M 0xFFFFFFFF // Velocity Timer Current Value
#define QEI_TIME_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_COUNT register.
//
//*****************************************************************************
#define QEI_COUNT_M 0xFFFFFFFF // Velocity Pulse Count
#define QEI_COUNT_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_SPEED register.
//
//*****************************************************************************
#define QEI_SPEED_M 0xFFFFFFFF // Velocity
#define QEI_SPEED_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_INTEN register.
//
//*****************************************************************************
#define QEI_INTEN_ERROR 0x00000008 // Phase Error Interrupt Enable
#define QEI_INTEN_DIR 0x00000004 // Direction Change Interrupt
// Enable
#define QEI_INTEN_TIMER 0x00000002 // Timer Expires Interrupt Enable
#define QEI_INTEN_INDEX 0x00000001 // Index Pulse Detected Interrupt
// Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_RIS register.
//
//*****************************************************************************
#define QEI_RIS_ERROR 0x00000008 // Phase Error Detected
#define QEI_RIS_DIR 0x00000004 // Direction Change Detected
#define QEI_RIS_TIMER 0x00000002 // Velocity Timer Expired
#define QEI_RIS_INDEX 0x00000001 // Index Pulse Asserted
//*****************************************************************************
//
// The following are defines for the bit fields in the QEI_O_ISC register.
//
//*****************************************************************************
#define QEI_ISC_ERROR 0x00000008 // Phase Error Interrupt
#define QEI_ISC_DIR 0x00000004 // Direction Change Interrupt
#define QEI_ISC_TIMER 0x00000002 // Velocity Timer Expired Interrupt
#define QEI_ISC_INDEX 0x00000001 // Index Pulse Interrupt
#endif // __HW_QEI_H__

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//*****************************************************************************
//
// hw_ssi.h - Macros used when accessing the SSI hardware.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_SSI_H__
#define __HW_SSI_H__
//*****************************************************************************
//
// The following are defines for the SSI register offsets.
//
//*****************************************************************************
#define SSI_O_CR0 0x00000000 // SSI Control 0
#define SSI_O_CR1 0x00000004 // SSI Control 1
#define SSI_O_DR 0x00000008 // SSI Data
#define SSI_O_SR 0x0000000C // SSI Status
#define SSI_O_CPSR 0x00000010 // SSI Clock Prescale
#define SSI_O_IM 0x00000014 // SSI Interrupt Mask
#define SSI_O_RIS 0x00000018 // SSI Raw Interrupt Status
#define SSI_O_MIS 0x0000001C // SSI Masked Interrupt Status
#define SSI_O_ICR 0x00000020 // SSI Interrupt Clear
#define SSI_O_DMACTL 0x00000024 // SSI DMA Control
#define SSI_O_CC 0x00000FC8 // SSI Clock Configuration
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_CR0 register.
//
//*****************************************************************************
#define SSI_CR0_SCR_M 0x0000FF00 // SSI Serial Clock Rate
#define SSI_CR0_SPH 0x00000080 // SSI Serial Clock Phase
#define SSI_CR0_SPO 0x00000040 // SSI Serial Clock Polarity
#define SSI_CR0_FRF_M 0x00000030 // SSI Frame Format Select
#define SSI_CR0_FRF_MOTO 0x00000000 // Freescale SPI Frame Format
#define SSI_CR0_FRF_TI 0x00000010 // Texas Instruments Synchronous
// Serial Frame Format
#define SSI_CR0_FRF_NMW 0x00000020 // MICROWIRE Frame Format
#define SSI_CR0_DSS_M 0x0000000F // SSI Data Size Select
#define SSI_CR0_DSS_4 0x00000003 // 4-bit data
#define SSI_CR0_DSS_5 0x00000004 // 5-bit data
#define SSI_CR0_DSS_6 0x00000005 // 6-bit data
#define SSI_CR0_DSS_7 0x00000006 // 7-bit data
#define SSI_CR0_DSS_8 0x00000007 // 8-bit data
#define SSI_CR0_DSS_9 0x00000008 // 9-bit data
#define SSI_CR0_DSS_10 0x00000009 // 10-bit data
#define SSI_CR0_DSS_11 0x0000000A // 11-bit data
#define SSI_CR0_DSS_12 0x0000000B // 12-bit data
#define SSI_CR0_DSS_13 0x0000000C // 13-bit data
#define SSI_CR0_DSS_14 0x0000000D // 14-bit data
#define SSI_CR0_DSS_15 0x0000000E // 15-bit data
#define SSI_CR0_DSS_16 0x0000000F // 16-bit data
#define SSI_CR0_SCR_S 8
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_CR1 register.
//
//*****************************************************************************
#define SSI_CR1_EOT 0x00000010 // End of Transmission
#define SSI_CR1_SOD 0x00000008 // SSI Slave Mode Output Disable
#define SSI_CR1_MS 0x00000004 // SSI Master/Slave Select
#define SSI_CR1_SSE 0x00000002 // SSI Synchronous Serial Port
// Enable
#define SSI_CR1_LBM 0x00000001 // SSI Loopback Mode
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_DR register.
//
//*****************************************************************************
#define SSI_DR_DATA_M 0x0000FFFF // SSI Receive/Transmit Data
#define SSI_DR_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_SR register.
//
//*****************************************************************************
#define SSI_SR_BSY 0x00000010 // SSI Busy Bit
#define SSI_SR_RFF 0x00000008 // SSI Receive FIFO Full
#define SSI_SR_RNE 0x00000004 // SSI Receive FIFO Not Empty
#define SSI_SR_TNF 0x00000002 // SSI Transmit FIFO Not Full
#define SSI_SR_TFE 0x00000001 // SSI Transmit FIFO Empty
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_CPSR register.
//
//*****************************************************************************
#define SSI_CPSR_CPSDVSR_M 0x000000FF // SSI Clock Prescale Divisor
#define SSI_CPSR_CPSDVSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_IM register.
//
//*****************************************************************************
#define SSI_IM_TXIM 0x00000008 // SSI Transmit FIFO Interrupt Mask
#define SSI_IM_RXIM 0x00000004 // SSI Receive FIFO Interrupt Mask
#define SSI_IM_RTIM 0x00000002 // SSI Receive Time-Out Interrupt
// Mask
#define SSI_IM_RORIM 0x00000001 // SSI Receive Overrun Interrupt
// Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_RIS register.
//
//*****************************************************************************
#define SSI_RIS_TXRIS 0x00000008 // SSI Transmit FIFO Raw Interrupt
// Status
#define SSI_RIS_RXRIS 0x00000004 // SSI Receive FIFO Raw Interrupt
// Status
#define SSI_RIS_RTRIS 0x00000002 // SSI Receive Time-Out Raw
// Interrupt Status
#define SSI_RIS_RORRIS 0x00000001 // SSI Receive Overrun Raw
// Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_MIS register.
//
//*****************************************************************************
#define SSI_MIS_TXMIS 0x00000008 // SSI Transmit FIFO Masked
// Interrupt Status
#define SSI_MIS_RXMIS 0x00000004 // SSI Receive FIFO Masked
// Interrupt Status
#define SSI_MIS_RTMIS 0x00000002 // SSI Receive Time-Out Masked
// Interrupt Status
#define SSI_MIS_RORMIS 0x00000001 // SSI Receive Overrun Masked
// Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_ICR register.
//
//*****************************************************************************
#define SSI_ICR_RTIC 0x00000002 // SSI Receive Time-Out Interrupt
// Clear
#define SSI_ICR_RORIC 0x00000001 // SSI Receive Overrun Interrupt
// Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_DMACTL register.
//
//*****************************************************************************
#define SSI_DMACTL_TXDMAE 0x00000002 // Transmit DMA Enable
#define SSI_DMACTL_RXDMAE 0x00000001 // Receive DMA Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the SSI_O_CC register.
//
//*****************************************************************************
#define SSI_CC_CS_M 0x0000000F // SSI Baud Clock Source
#define SSI_CC_CS_SYSPLL 0x00000000 // Either the system clock (if the
// PLL bypass is in effect) or the
// PLL output (default)
#define SSI_CC_CS_PIOSC 0x00000005 // PIOSC
#endif // __HW_SSI_H__

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//*****************************************************************************
//
// hw_sysexc.h - Macros used when accessing the system exception module.
//
// Copyright (c) 2011-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_SYSEXC_H__
#define __HW_SYSEXC_H__
//*****************************************************************************
//
// The following are defines for the System Exception Module register
// addresses.
//
//*****************************************************************************
#define SYSEXC_RIS 0x400F9000 // System Exception Raw Interrupt
// Status
#define SYSEXC_IM 0x400F9004 // System Exception Interrupt Mask
#define SYSEXC_MIS 0x400F9008 // System Exception Masked
// Interrupt Status
#define SYSEXC_IC 0x400F900C // System Exception Interrupt Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the SYSEXC_RIS register.
//
//*****************************************************************************
#define SYSEXC_RIS_FPIXCRIS 0x00000020 // Floating-Point Inexact Exception
// Raw Interrupt Status
#define SYSEXC_RIS_FPOFCRIS 0x00000010 // Floating-Point Overflow
// Exception Raw Interrupt Status
#define SYSEXC_RIS_FPUFCRIS 0x00000008 // Floating-Point Underflow
// Exception Raw Interrupt Status
#define SYSEXC_RIS_FPIOCRIS 0x00000004 // Floating-Point Invalid Operation
// Raw Interrupt Status
#define SYSEXC_RIS_FPDZCRIS 0x00000002 // Floating-Point Divide By 0
// Exception Raw Interrupt Status
#define SYSEXC_RIS_FPIDCRIS 0x00000001 // Floating-Point Input Denormal
// Exception Raw Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the SYSEXC_IM register.
//
//*****************************************************************************
#define SYSEXC_IM_FPIXCIM 0x00000020 // Floating-Point Inexact Exception
// Interrupt Mask
#define SYSEXC_IM_FPOFCIM 0x00000010 // Floating-Point Overflow
// Exception Interrupt Mask
#define SYSEXC_IM_FPUFCIM 0x00000008 // Floating-Point Underflow
// Exception Interrupt Mask
#define SYSEXC_IM_FPIOCIM 0x00000004 // Floating-Point Invalid Operation
// Interrupt Mask
#define SYSEXC_IM_FPDZCIM 0x00000002 // Floating-Point Divide By 0
// Exception Interrupt Mask
#define SYSEXC_IM_FPIDCIM 0x00000001 // Floating-Point Input Denormal
// Exception Interrupt Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the SYSEXC_MIS register.
//
//*****************************************************************************
#define SYSEXC_MIS_FPIXCMIS 0x00000020 // Floating-Point Inexact Exception
// Masked Interrupt Status
#define SYSEXC_MIS_FPOFCMIS 0x00000010 // Floating-Point Overflow
// Exception Masked Interrupt
// Status
#define SYSEXC_MIS_FPUFCMIS 0x00000008 // Floating-Point Underflow
// Exception Masked Interrupt
// Status
#define SYSEXC_MIS_FPIOCMIS 0x00000004 // Floating-Point Invalid Operation
// Masked Interrupt Status
#define SYSEXC_MIS_FPDZCMIS 0x00000002 // Floating-Point Divide By 0
// Exception Masked Interrupt
// Status
#define SYSEXC_MIS_FPIDCMIS 0x00000001 // Floating-Point Input Denormal
// Exception Masked Interrupt
// Status
//*****************************************************************************
//
// The following are defines for the bit fields in the SYSEXC_IC register.
//
//*****************************************************************************
#define SYSEXC_IC_FPIXCIC 0x00000020 // Floating-Point Inexact Exception
// Interrupt Clear
#define SYSEXC_IC_FPOFCIC 0x00000010 // Floating-Point Overflow
// Exception Interrupt Clear
#define SYSEXC_IC_FPUFCIC 0x00000008 // Floating-Point Underflow
// Exception Interrupt Clear
#define SYSEXC_IC_FPIOCIC 0x00000004 // Floating-Point Invalid Operation
// Interrupt Clear
#define SYSEXC_IC_FPDZCIC 0x00000002 // Floating-Point Divide By 0
// Exception Interrupt Clear
#define SYSEXC_IC_FPIDCIC 0x00000001 // Floating-Point Input Denormal
// Exception Interrupt Clear
#endif // __HW_SYSEXC_H__

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//*****************************************************************************
//
// hw_timer.h - Defines and macros used when accessing the timer.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_TIMER_H__
#define __HW_TIMER_H__
//*****************************************************************************
//
// The following are defines for the Timer register offsets.
//
//*****************************************************************************
#define TIMER_O_CFG 0x00000000 // GPTM Configuration
#define TIMER_O_TAMR 0x00000004 // GPTM Timer A Mode
#define TIMER_O_TBMR 0x00000008 // GPTM Timer B Mode
#define TIMER_O_CTL 0x0000000C // GPTM Control
#define TIMER_O_SYNC 0x00000010 // GPTM Synchronize
#define TIMER_O_IMR 0x00000018 // GPTM Interrupt Mask
#define TIMER_O_RIS 0x0000001C // GPTM Raw Interrupt Status
#define TIMER_O_MIS 0x00000020 // GPTM Masked Interrupt Status
#define TIMER_O_ICR 0x00000024 // GPTM Interrupt Clear
#define TIMER_O_TAILR 0x00000028 // GPTM Timer A Interval Load
#define TIMER_O_TBILR 0x0000002C // GPTM Timer B Interval Load
#define TIMER_O_TAMATCHR 0x00000030 // GPTM Timer A Match
#define TIMER_O_TBMATCHR 0x00000034 // GPTM Timer B Match
#define TIMER_O_TAPR 0x00000038 // GPTM Timer A Prescale
#define TIMER_O_TBPR 0x0000003C // GPTM Timer B Prescale
#define TIMER_O_TAPMR 0x00000040 // GPTM TimerA Prescale Match
#define TIMER_O_TBPMR 0x00000044 // GPTM TimerB Prescale Match
#define TIMER_O_TAR 0x00000048 // GPTM Timer A
#define TIMER_O_TBR 0x0000004C // GPTM Timer B
#define TIMER_O_TAV 0x00000050 // GPTM Timer A Value
#define TIMER_O_TBV 0x00000054 // GPTM Timer B Value
#define TIMER_O_RTCPD 0x00000058 // GPTM RTC Predivide
#define TIMER_O_TAPS 0x0000005C // GPTM Timer A Prescale Snapshot
#define TIMER_O_TBPS 0x00000060 // GPTM Timer B Prescale Snapshot
#define TIMER_O_TAPV 0x00000064 // GPTM Timer A Prescale Value
#define TIMER_O_TBPV 0x00000068 // GPTM Timer B Prescale Value
#define TIMER_O_PP 0x00000FC0 // GPTM Peripheral Properties
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_CFG register.
//
//*****************************************************************************
#define TIMER_CFG_M 0x00000007 // GPTM Configuration
#define TIMER_CFG_32_BIT_TIMER 0x00000000 // 32-bit timer configuration
#define TIMER_CFG_32_BIT_RTC 0x00000001 // 32-bit real-time clock (RTC)
// counter configuration
#define TIMER_CFG_16_BIT 0x00000004 // 16-bit timer configuration. The
// function is controlled by bits
// 1:0 of GPTMTAMR and GPTMTBMR
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAMR register.
//
//*****************************************************************************
#define TIMER_TAMR_TAPLO 0x00000800 // GPTM Timer A PWM Legacy
// Operation
#define TIMER_TAMR_TAMRSU 0x00000400 // GPTM Timer A Match Register
// Update
#define TIMER_TAMR_TAPWMIE 0x00000200 // GPTM Timer A PWM Interrupt
// Enable
#define TIMER_TAMR_TAILD 0x00000100 // GPTM Timer A Interval Load Write
#define TIMER_TAMR_TASNAPS 0x00000080 // GPTM Timer A Snap-Shot Mode
#define TIMER_TAMR_TAWOT 0x00000040 // GPTM Timer A Wait-on-Trigger
#define TIMER_TAMR_TAMIE 0x00000020 // GPTM Timer A Match Interrupt
// Enable
#define TIMER_TAMR_TACDIR 0x00000010 // GPTM Timer A Count Direction
#define TIMER_TAMR_TAAMS 0x00000008 // GPTM Timer A Alternate Mode
// Select
#define TIMER_TAMR_TACMR 0x00000004 // GPTM Timer A Capture Mode
#define TIMER_TAMR_TAMR_M 0x00000003 // GPTM Timer A Mode
#define TIMER_TAMR_TAMR_1_SHOT 0x00000001 // One-Shot Timer mode
#define TIMER_TAMR_TAMR_PERIOD 0x00000002 // Periodic Timer mode
#define TIMER_TAMR_TAMR_CAP 0x00000003 // Capture mode
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBMR register.
//
//*****************************************************************************
#define TIMER_TBMR_TBPLO 0x00000800 // GPTM Timer B PWM Legacy
// Operation
#define TIMER_TBMR_TBMRSU 0x00000400 // GPTM Timer B Match Register
// Update
#define TIMER_TBMR_TBPWMIE 0x00000200 // GPTM Timer B PWM Interrupt
// Enable
#define TIMER_TBMR_TBILD 0x00000100 // GPTM Timer B Interval Load Write
#define TIMER_TBMR_TBSNAPS 0x00000080 // GPTM Timer B Snap-Shot Mode
#define TIMER_TBMR_TBWOT 0x00000040 // GPTM Timer B Wait-on-Trigger
#define TIMER_TBMR_TBMIE 0x00000020 // GPTM Timer B Match Interrupt
// Enable
#define TIMER_TBMR_TBCDIR 0x00000010 // GPTM Timer B Count Direction
#define TIMER_TBMR_TBAMS 0x00000008 // GPTM Timer B Alternate Mode
// Select
#define TIMER_TBMR_TBCMR 0x00000004 // GPTM Timer B Capture Mode
#define TIMER_TBMR_TBMR_M 0x00000003 // GPTM Timer B Mode
#define TIMER_TBMR_TBMR_1_SHOT 0x00000001 // One-Shot Timer mode
#define TIMER_TBMR_TBMR_PERIOD 0x00000002 // Periodic Timer mode
#define TIMER_TBMR_TBMR_CAP 0x00000003 // Capture mode
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_CTL register.
//
//*****************************************************************************
#define TIMER_CTL_TBPWML 0x00004000 // GPTM Timer B PWM Output Level
#define TIMER_CTL_TBOTE 0x00002000 // GPTM Timer B Output Trigger
// Enable
#define TIMER_CTL_TBEVENT_M 0x00000C00 // GPTM Timer B Event Mode
#define TIMER_CTL_TBEVENT_POS 0x00000000 // Positive edge
#define TIMER_CTL_TBEVENT_NEG 0x00000400 // Negative edge
#define TIMER_CTL_TBEVENT_BOTH 0x00000C00 // Both edges
#define TIMER_CTL_TBSTALL 0x00000200 // GPTM Timer B Stall Enable
#define TIMER_CTL_TBEN 0x00000100 // GPTM Timer B Enable
#define TIMER_CTL_TAPWML 0x00000040 // GPTM Timer A PWM Output Level
#define TIMER_CTL_TAOTE 0x00000020 // GPTM Timer A Output Trigger
// Enable
#define TIMER_CTL_RTCEN 0x00000010 // GPTM RTC Stall Enable
#define TIMER_CTL_TAEVENT_M 0x0000000C // GPTM Timer A Event Mode
#define TIMER_CTL_TAEVENT_POS 0x00000000 // Positive edge
#define TIMER_CTL_TAEVENT_NEG 0x00000004 // Negative edge
#define TIMER_CTL_TAEVENT_BOTH 0x0000000C // Both edges
#define TIMER_CTL_TASTALL 0x00000002 // GPTM Timer A Stall Enable
#define TIMER_CTL_TAEN 0x00000001 // GPTM Timer A Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_SYNC register.
//
//*****************************************************************************
#define TIMER_SYNC_SYNCWT5_M 0x00C00000 // Synchronize GPTM 32/64-Bit Timer
// 5
#define TIMER_SYNC_SYNCWT5_NONE 0x00000000 // GPTM 32/64-Bit Timer 5 is not
// affected
#define TIMER_SYNC_SYNCWT5_TA 0x00400000 // A timeout event for Timer A of
// GPTM 32/64-Bit Timer 5 is
// triggered
#define TIMER_SYNC_SYNCWT5_TB 0x00800000 // A timeout event for Timer B of
// GPTM 32/64-Bit Timer 5 is
// triggered
#define TIMER_SYNC_SYNCWT5_TATB 0x00C00000 // A timeout event for both Timer A
// and Timer B of GPTM 32/64-Bit
// Timer 5 is triggered
#define TIMER_SYNC_SYNCWT4_M 0x00300000 // Synchronize GPTM 32/64-Bit Timer
// 4
#define TIMER_SYNC_SYNCWT4_NONE 0x00000000 // GPTM 32/64-Bit Timer 4 is not
// affected
#define TIMER_SYNC_SYNCWT4_TA 0x00100000 // A timeout event for Timer A of
// GPTM 32/64-Bit Timer 4 is
// triggered
#define TIMER_SYNC_SYNCWT4_TB 0x00200000 // A timeout event for Timer B of
// GPTM 32/64-Bit Timer 4 is
// triggered
#define TIMER_SYNC_SYNCWT4_TATB 0x00300000 // A timeout event for both Timer A
// and Timer B of GPTM 32/64-Bit
// Timer 4 is triggered
#define TIMER_SYNC_SYNCWT3_M 0x000C0000 // Synchronize GPTM 32/64-Bit Timer
// 3
#define TIMER_SYNC_SYNCWT3_NONE 0x00000000 // GPTM 32/64-Bit Timer 3 is not
// affected
#define TIMER_SYNC_SYNCWT3_TA 0x00040000 // A timeout event for Timer A of
// GPTM 32/64-Bit Timer 3 is
// triggered
#define TIMER_SYNC_SYNCWT3_TB 0x00080000 // A timeout event for Timer B of
// GPTM 32/64-Bit Timer 3 is
// triggered
#define TIMER_SYNC_SYNCWT3_TATB 0x000C0000 // A timeout event for both Timer A
// and Timer B of GPTM 32/64-Bit
// Timer 3 is triggered
#define TIMER_SYNC_SYNCWT2_M 0x00030000 // Synchronize GPTM 32/64-Bit Timer
// 2
#define TIMER_SYNC_SYNCWT2_NONE 0x00000000 // GPTM 32/64-Bit Timer 2 is not
// affected
#define TIMER_SYNC_SYNCWT2_TA 0x00010000 // A timeout event for Timer A of
// GPTM 32/64-Bit Timer 2 is
// triggered
#define TIMER_SYNC_SYNCWT2_TB 0x00020000 // A timeout event for Timer B of
// GPTM 32/64-Bit Timer 2 is
// triggered
#define TIMER_SYNC_SYNCWT2_TATB 0x00030000 // A timeout event for both Timer A
// and Timer B of GPTM 32/64-Bit
// Timer 2 is triggered
#define TIMER_SYNC_SYNCWT1_M 0x0000C000 // Synchronize GPTM 32/64-Bit Timer
// 1
#define TIMER_SYNC_SYNCWT1_NONE 0x00000000 // GPTM 32/64-Bit Timer 1 is not
// affected
#define TIMER_SYNC_SYNCWT1_TA 0x00004000 // A timeout event for Timer A of
// GPTM 32/64-Bit Timer 1 is
// triggered
#define TIMER_SYNC_SYNCWT1_TB 0x00008000 // A timeout event for Timer B of
// GPTM 32/64-Bit Timer 1 is
// triggered
#define TIMER_SYNC_SYNCWT1_TATB 0x0000C000 // A timeout event for both Timer A
// and Timer B of GPTM 32/64-Bit
// Timer 1 is triggered
#define TIMER_SYNC_SYNCWT0_M 0x00003000 // Synchronize GPTM 32/64-Bit Timer
// 0
#define TIMER_SYNC_SYNCWT0_NONE 0x00000000 // GPTM 32/64-Bit Timer 0 is not
// affected
#define TIMER_SYNC_SYNCWT0_TA 0x00001000 // A timeout event for Timer A of
// GPTM 32/64-Bit Timer 0 is
// triggered
#define TIMER_SYNC_SYNCWT0_TB 0x00002000 // A timeout event for Timer B of
// GPTM 32/64-Bit Timer 0 is
// triggered
#define TIMER_SYNC_SYNCWT0_TATB 0x00003000 // A timeout event for both Timer A
// and Timer B of GPTM 32/64-Bit
// Timer 0 is triggered
#define TIMER_SYNC_SYNCT5_M 0x00000C00 // Synchronize GPTM 16/32-Bit Timer
// 5
#define TIMER_SYNC_SYNCT5_NONE 0x00000000 // GPTM 16/32-Bit Timer 5 is not
// affected
#define TIMER_SYNC_SYNCT5_TA 0x00000400 // A timeout event for Timer A of
// GPTM 16/32-Bit Timer 5 is
// triggered
#define TIMER_SYNC_SYNCT5_TB 0x00000800 // A timeout event for Timer B of
// GPTM 16/32-Bit Timer 5 is
// triggered
#define TIMER_SYNC_SYNCT5_TATB 0x00000C00 // A timeout event for both Timer A
// and Timer B of GPTM 16/32-Bit
// Timer 5 is triggered
#define TIMER_SYNC_SYNCT4_M 0x00000300 // Synchronize GPTM 16/32-Bit Timer
// 4
#define TIMER_SYNC_SYNCT4_NONE 0x00000000 // GPTM 16/32-Bit Timer 4 is not
// affected
#define TIMER_SYNC_SYNCT4_TA 0x00000100 // A timeout event for Timer A of
// GPTM 16/32-Bit Timer 4 is
// triggered
#define TIMER_SYNC_SYNCT4_TB 0x00000200 // A timeout event for Timer B of
// GPTM 16/32-Bit Timer 4 is
// triggered
#define TIMER_SYNC_SYNCT4_TATB 0x00000300 // A timeout event for both Timer A
// and Timer B of GPTM 16/32-Bit
// Timer 4 is triggered
#define TIMER_SYNC_SYNCT3_M 0x000000C0 // Synchronize GPTM 16/32-Bit Timer
// 3
#define TIMER_SYNC_SYNCT3_NONE 0x00000000 // GPTM 16/32-Bit Timer 3 is not
// affected
#define TIMER_SYNC_SYNCT3_TA 0x00000040 // A timeout event for Timer A of
// GPTM 16/32-Bit Timer 3 is
// triggered
#define TIMER_SYNC_SYNCT3_TB 0x00000080 // A timeout event for Timer B of
// GPTM 16/32-Bit Timer 3 is
// triggered
#define TIMER_SYNC_SYNCT3_TATB 0x000000C0 // A timeout event for both Timer A
// and Timer B of GPTM 16/32-Bit
// Timer 3 is triggered
#define TIMER_SYNC_SYNCT2_M 0x00000030 // Synchronize GPTM 16/32-Bit Timer
// 2
#define TIMER_SYNC_SYNCT2_NONE 0x00000000 // GPTM 16/32-Bit Timer 2 is not
// affected
#define TIMER_SYNC_SYNCT2_TA 0x00000010 // A timeout event for Timer A of
// GPTM 16/32-Bit Timer 2 is
// triggered
#define TIMER_SYNC_SYNCT2_TB 0x00000020 // A timeout event for Timer B of
// GPTM 16/32-Bit Timer 2 is
// triggered
#define TIMER_SYNC_SYNCT2_TATB 0x00000030 // A timeout event for both Timer A
// and Timer B of GPTM 16/32-Bit
// Timer 2 is triggered
#define TIMER_SYNC_SYNCT1_M 0x0000000C // Synchronize GPTM 16/32-Bit Timer
// 1
#define TIMER_SYNC_SYNCT1_NONE 0x00000000 // GPTM 16/32-Bit Timer 1 is not
// affected
#define TIMER_SYNC_SYNCT1_TA 0x00000004 // A timeout event for Timer A of
// GPTM 16/32-Bit Timer 1 is
// triggered
#define TIMER_SYNC_SYNCT1_TB 0x00000008 // A timeout event for Timer B of
// GPTM 16/32-Bit Timer 1 is
// triggered
#define TIMER_SYNC_SYNCT1_TATB 0x0000000C // A timeout event for both Timer A
// and Timer B of GPTM 16/32-Bit
// Timer 1 is triggered
#define TIMER_SYNC_SYNCT0_M 0x00000003 // Synchronize GPTM 16/32-Bit Timer
// 0
#define TIMER_SYNC_SYNCT0_NONE 0x00000000 // GPTM 16/32-Bit Timer 0 is not
// affected
#define TIMER_SYNC_SYNCT0_TA 0x00000001 // A timeout event for Timer A of
// GPTM 16/32-Bit Timer 0 is
// triggered
#define TIMER_SYNC_SYNCT0_TB 0x00000002 // A timeout event for Timer B of
// GPTM 16/32-Bit Timer 0 is
// triggered
#define TIMER_SYNC_SYNCT0_TATB 0x00000003 // A timeout event for both Timer A
// and Timer B of GPTM 16/32-Bit
// Timer 0 is triggered
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_IMR register.
//
//*****************************************************************************
#define TIMER_IMR_WUEIM 0x00010000 // GPTM Write Update Error
// Interrupt Mask
#define TIMER_IMR_TBMIM 0x00000800 // GPTM Timer B Match Interrupt
// Mask
#define TIMER_IMR_CBEIM 0x00000400 // GPTM Timer B Capture Mode Event
// Interrupt Mask
#define TIMER_IMR_CBMIM 0x00000200 // GPTM Timer B Capture Mode Match
// Interrupt Mask
#define TIMER_IMR_TBTOIM 0x00000100 // GPTM Timer B Time-Out Interrupt
// Mask
#define TIMER_IMR_TAMIM 0x00000010 // GPTM Timer A Match Interrupt
// Mask
#define TIMER_IMR_RTCIM 0x00000008 // GPTM RTC Interrupt Mask
#define TIMER_IMR_CAEIM 0x00000004 // GPTM Timer A Capture Mode Event
// Interrupt Mask
#define TIMER_IMR_CAMIM 0x00000002 // GPTM Timer A Capture Mode Match
// Interrupt Mask
#define TIMER_IMR_TATOIM 0x00000001 // GPTM Timer A Time-Out Interrupt
// Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_RIS register.
//
//*****************************************************************************
#define TIMER_RIS_WUERIS 0x00010000 // GPTM Write Update Error Raw
// Interrupt
#define TIMER_RIS_TBMRIS 0x00000800 // GPTM Timer B Match Raw Interrupt
#define TIMER_RIS_CBERIS 0x00000400 // GPTM Timer B Capture Mode Event
// Raw Interrupt
#define TIMER_RIS_CBMRIS 0x00000200 // GPTM Timer B Capture Mode Match
// Raw Interrupt
#define TIMER_RIS_TBTORIS 0x00000100 // GPTM Timer B Time-Out Raw
// Interrupt
#define TIMER_RIS_TAMRIS 0x00000010 // GPTM Timer A Match Raw Interrupt
#define TIMER_RIS_RTCRIS 0x00000008 // GPTM RTC Raw Interrupt
#define TIMER_RIS_CAERIS 0x00000004 // GPTM Timer A Capture Mode Event
// Raw Interrupt
#define TIMER_RIS_CAMRIS 0x00000002 // GPTM Timer A Capture Mode Match
// Raw Interrupt
#define TIMER_RIS_TATORIS 0x00000001 // GPTM Timer A Time-Out Raw
// Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_MIS register.
//
//*****************************************************************************
#define TIMER_MIS_WUEMIS 0x00010000 // GPTM Write Update Error Masked
// Interrupt
#define TIMER_MIS_TBMMIS 0x00000800 // GPTM Timer B Match Masked
// Interrupt
#define TIMER_MIS_CBEMIS 0x00000400 // GPTM Timer B Capture Mode Event
// Masked Interrupt
#define TIMER_MIS_CBMMIS 0x00000200 // GPTM Timer B Capture Mode Match
// Masked Interrupt
#define TIMER_MIS_TBTOMIS 0x00000100 // GPTM Timer B Time-Out Masked
// Interrupt
#define TIMER_MIS_TAMMIS 0x00000010 // GPTM Timer A Match Masked
// Interrupt
#define TIMER_MIS_RTCMIS 0x00000008 // GPTM RTC Masked Interrupt
#define TIMER_MIS_CAEMIS 0x00000004 // GPTM Timer A Capture Mode Event
// Masked Interrupt
#define TIMER_MIS_CAMMIS 0x00000002 // GPTM Timer A Capture Mode Match
// Masked Interrupt
#define TIMER_MIS_TATOMIS 0x00000001 // GPTM Timer A Time-Out Masked
// Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_ICR register.
//
//*****************************************************************************
#define TIMER_ICR_WUECINT 0x00010000 // 32/64-Bit GPTM Write Update
// Error Interrupt Clear
#define TIMER_ICR_TBMCINT 0x00000800 // GPTM Timer B Match Interrupt
// Clear
#define TIMER_ICR_CBECINT 0x00000400 // GPTM Timer B Capture Mode Event
// Interrupt Clear
#define TIMER_ICR_CBMCINT 0x00000200 // GPTM Timer B Capture Mode Match
// Interrupt Clear
#define TIMER_ICR_TBTOCINT 0x00000100 // GPTM Timer B Time-Out Interrupt
// Clear
#define TIMER_ICR_TAMCINT 0x00000010 // GPTM Timer A Match Interrupt
// Clear
#define TIMER_ICR_RTCCINT 0x00000008 // GPTM RTC Interrupt Clear
#define TIMER_ICR_CAECINT 0x00000004 // GPTM Timer A Capture Mode Event
// Interrupt Clear
#define TIMER_ICR_CAMCINT 0x00000002 // GPTM Timer A Capture Mode Match
// Interrupt Clear
#define TIMER_ICR_TATOCINT 0x00000001 // GPTM Timer A Time-Out Raw
// Interrupt
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAILR register.
//
//*****************************************************************************
#define TIMER_TAILR_M 0xFFFFFFFF // GPTM Timer A Interval Load
// Register
#define TIMER_TAILR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBILR register.
//
//*****************************************************************************
#define TIMER_TBILR_M 0xFFFFFFFF // GPTM Timer B Interval Load
// Register
#define TIMER_TBILR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAMATCHR
// register.
//
//*****************************************************************************
#define TIMER_TAMATCHR_TAMR_M 0xFFFFFFFF // GPTM Timer A Match Register
#define TIMER_TAMATCHR_TAMR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBMATCHR
// register.
//
//*****************************************************************************
#define TIMER_TBMATCHR_TBMR_M 0xFFFFFFFF // GPTM Timer B Match Register
#define TIMER_TBMATCHR_TBMR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAPR register.
//
//*****************************************************************************
#define TIMER_TAPR_TAPSRH_M 0x0000FF00 // GPTM Timer A Prescale High Byte
#define TIMER_TAPR_TAPSR_M 0x000000FF // GPTM Timer A Prescale
#define TIMER_TAPR_TAPSRH_S 8
#define TIMER_TAPR_TAPSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBPR register.
//
//*****************************************************************************
#define TIMER_TBPR_TBPSRH_M 0x0000FF00 // GPTM Timer B Prescale High Byte
#define TIMER_TBPR_TBPSR_M 0x000000FF // GPTM Timer B Prescale
#define TIMER_TBPR_TBPSRH_S 8
#define TIMER_TBPR_TBPSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAPMR register.
//
//*****************************************************************************
#define TIMER_TAPMR_TAPSMRH_M 0x0000FF00 // GPTM Timer A Prescale Match High
// Byte
#define TIMER_TAPMR_TAPSMR_M 0x000000FF // GPTM TimerA Prescale Match
#define TIMER_TAPMR_TAPSMRH_S 8
#define TIMER_TAPMR_TAPSMR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBPMR register.
//
//*****************************************************************************
#define TIMER_TBPMR_TBPSMRH_M 0x0000FF00 // GPTM Timer B Prescale Match High
// Byte
#define TIMER_TBPMR_TBPSMR_M 0x000000FF // GPTM TimerB Prescale Match
#define TIMER_TBPMR_TBPSMRH_S 8
#define TIMER_TBPMR_TBPSMR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAR register.
//
//*****************************************************************************
#define TIMER_TAR_M 0xFFFFFFFF // GPTM Timer A Register
#define TIMER_TAR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBR register.
//
//*****************************************************************************
#define TIMER_TBR_M 0xFFFFFFFF // GPTM Timer B Register
#define TIMER_TBR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAV register.
//
//*****************************************************************************
#define TIMER_TAV_M 0xFFFFFFFF // GPTM Timer A Value
#define TIMER_TAV_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBV register.
//
//*****************************************************************************
#define TIMER_TBV_M 0xFFFFFFFF // GPTM Timer B Value
#define TIMER_TBV_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_RTCPD register.
//
//*****************************************************************************
#define TIMER_RTCPD_RTCPD_M 0x0000FFFF // RTC Predivide Counter Value
#define TIMER_RTCPD_RTCPD_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAPS register.
//
//*****************************************************************************
#define TIMER_TAPS_PSS_M 0x0000FFFF // GPTM Timer A Prescaler Snapshot
#define TIMER_TAPS_PSS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBPS register.
//
//*****************************************************************************
#define TIMER_TBPS_PSS_M 0x0000FFFF // GPTM Timer A Prescaler Value
#define TIMER_TBPS_PSS_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TAPV register.
//
//*****************************************************************************
#define TIMER_TAPV_PSV_M 0x0000FFFF // GPTM Timer A Prescaler Value
#define TIMER_TAPV_PSV_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_TBPV register.
//
//*****************************************************************************
#define TIMER_TBPV_PSV_M 0x0000FFFF // GPTM Timer B Prescaler Value
#define TIMER_TBPV_PSV_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the TIMER_O_PP register.
//
//*****************************************************************************
#define TIMER_PP_SIZE_M 0x0000000F // Count Size
#define TIMER_PP_SIZE_16 0x00000000 // Timer A and Timer B counters are
// 16 bits each with an 8-bit
// prescale counter
#define TIMER_PP_SIZE_32 0x00000001 // Timer A and Timer B counters are
// 32 bits each with a 16-bit
// prescale counter
#endif // __HW_TIMER_H__

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//*****************************************************************************
//
// hw_types.h - Common types and macros.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_TYPES_H__
#define __HW_TYPES_H__
//*****************************************************************************
//
// Macros for hardware access, both direct and via the bit-band region.
//
//*****************************************************************************
#define HWREG(x) \
(*((volatile uint32_t *)(x)))
#define HWREGH(x) \
(*((volatile uint16_t *)(x)))
#define HWREGB(x) \
(*((volatile uint8_t *)(x)))
#define HWREGBITW(x, b) \
HWREG(((uint32_t)(x) & 0xF0000000) | 0x02000000 | \
(((uint32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
#define HWREGBITH(x, b) \
HWREGH(((uint32_t)(x) & 0xF0000000) | 0x02000000 | \
(((uint32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
#define HWREGBITB(x, b) \
HWREGB(((uint32_t)(x) & 0xF0000000) | 0x02000000 | \
(((uint32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2))
//*****************************************************************************
//
// Helper Macros for determining silicon revisions, etc.
//
// These macros will be used by Driverlib at "run-time" to create necessary
// conditional code blocks that will allow a single version of the Driverlib
// "binary" code to support multiple(all) Tiva silicon revisions.
//
// It is expected that these macros will be used inside of a standard 'C'
// conditional block of code, e.g.
//
// if(CLASS_IS_BLIZZARD)
// {
// do some Blizzard-class specific code here.
// }
//
// By default, these macros will be defined as run-time checks of the
// appropriate register(s) to allow creation of run-time conditional code
// blocks for a common DriverLib across the entire Tiva family.
//
// However, if code-space optimization is required, these macros can be "hard-
// coded" for a specific version of Tiva silicon. Many compilers will then
// detect the "hard-coded" conditionals, and appropriately optimize the code
// blocks, eliminating any "unreachable" code. This would result in a smaller
// Driverlib, thus producing a smaller final application size, but at the cost
// of limiting the Driverlib binary to a specific Tiva silicon revision.
//
//*****************************************************************************
#ifndef CLASS_IS_BLIZZARD
#define CLASS_IS_BLIZZARD \
((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_VER_M | SYSCTL_DID0_CLASS_M)) == \
(SYSCTL_DID0_VER_1 | SYSCTL_DID0_CLASS_BLIZZARD))
#endif
#ifndef REVISION_IS_A0
#define REVISION_IS_A0 \
((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
(SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_0))
#endif
#ifndef REVISION_IS_A1
#define REVISION_IS_A1 \
((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
(SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_0))
#endif
#ifndef REVISION_IS_A2
#define REVISION_IS_A2 \
((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
(SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_2))
#endif
#ifndef REVISION_IS_B0
#define REVISION_IS_B0 \
((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
(SYSCTL_DID0_MAJ_REVB | SYSCTL_DID0_MIN_0))
#endif
#ifndef REVISION_IS_B1
#define REVISION_IS_B1 \
((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
(SYSCTL_DID0_MAJ_REVB | SYSCTL_DID0_MIN_1))
#endif
#endif // __HW_TYPES_H__

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//*****************************************************************************
//
// hw_uart.h - Macros and defines used when accessing the UART hardware.
//
// Copyright (c) 2005-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_UART_H__
#define __HW_UART_H__
//*****************************************************************************
//
// The following are defines for the UART register offsets.
//
//*****************************************************************************
#define UART_O_DR 0x00000000 // UART Data
#define UART_O_RSR 0x00000004 // UART Receive Status/Error Clear
#define UART_O_ECR 0x00000004 // UART Receive Status/Error Clear
#define UART_O_FR 0x00000018 // UART Flag
#define UART_O_ILPR 0x00000020 // UART IrDA Low-Power Register
#define UART_O_IBRD 0x00000024 // UART Integer Baud-Rate Divisor
#define UART_O_FBRD 0x00000028 // UART Fractional Baud-Rate
// Divisor
#define UART_O_LCRH 0x0000002C // UART Line Control
#define UART_O_CTL 0x00000030 // UART Control
#define UART_O_IFLS 0x00000034 // UART Interrupt FIFO Level Select
#define UART_O_IM 0x00000038 // UART Interrupt Mask
#define UART_O_RIS 0x0000003C // UART Raw Interrupt Status
#define UART_O_MIS 0x00000040 // UART Masked Interrupt Status
#define UART_O_ICR 0x00000044 // UART Interrupt Clear
#define UART_O_DMACTL 0x00000048 // UART DMA Control
#define UART_O_9BITADDR 0x000000A4 // UART 9-Bit Self Address
#define UART_O_9BITAMASK 0x000000A8 // UART 9-Bit Self Address Mask
#define UART_O_PP 0x00000FC0 // UART Peripheral Properties
#define UART_O_CC 0x00000FC8 // UART Clock Configuration
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_DR register.
//
//*****************************************************************************
#define UART_DR_OE 0x00000800 // UART Overrun Error
#define UART_DR_BE 0x00000400 // UART Break Error
#define UART_DR_PE 0x00000200 // UART Parity Error
#define UART_DR_FE 0x00000100 // UART Framing Error
#define UART_DR_DATA_M 0x000000FF // Data Transmitted or Received
#define UART_DR_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_RSR register.
//
//*****************************************************************************
#define UART_RSR_OE 0x00000008 // UART Overrun Error
#define UART_RSR_BE 0x00000004 // UART Break Error
#define UART_RSR_PE 0x00000002 // UART Parity Error
#define UART_RSR_FE 0x00000001 // UART Framing Error
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_ECR register.
//
//*****************************************************************************
#define UART_ECR_DATA_M 0x000000FF // Error Clear
#define UART_ECR_DATA_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_FR register.
//
//*****************************************************************************
#define UART_FR_RI 0x00000100 // Ring Indicator
#define UART_FR_TXFE 0x00000080 // UART Transmit FIFO Empty
#define UART_FR_RXFF 0x00000040 // UART Receive FIFO Full
#define UART_FR_TXFF 0x00000020 // UART Transmit FIFO Full
#define UART_FR_RXFE 0x00000010 // UART Receive FIFO Empty
#define UART_FR_BUSY 0x00000008 // UART Busy
#define UART_FR_DCD 0x00000004 // Data Carrier Detect
#define UART_FR_DSR 0x00000002 // Data Set Ready
#define UART_FR_CTS 0x00000001 // Clear To Send
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_ILPR register.
//
//*****************************************************************************
#define UART_ILPR_ILPDVSR_M 0x000000FF // IrDA Low-Power Divisor
#define UART_ILPR_ILPDVSR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_IBRD register.
//
//*****************************************************************************
#define UART_IBRD_DIVINT_M 0x0000FFFF // Integer Baud-Rate Divisor
#define UART_IBRD_DIVINT_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_FBRD register.
//
//*****************************************************************************
#define UART_FBRD_DIVFRAC_M 0x0000003F // Fractional Baud-Rate Divisor
#define UART_FBRD_DIVFRAC_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_LCRH register.
//
//*****************************************************************************
#define UART_LCRH_SPS 0x00000080 // UART Stick Parity Select
#define UART_LCRH_WLEN_M 0x00000060 // UART Word Length
#define UART_LCRH_WLEN_5 0x00000000 // 5 bits (default)
#define UART_LCRH_WLEN_6 0x00000020 // 6 bits
#define UART_LCRH_WLEN_7 0x00000040 // 7 bits
#define UART_LCRH_WLEN_8 0x00000060 // 8 bits
#define UART_LCRH_FEN 0x00000010 // UART Enable FIFOs
#define UART_LCRH_STP2 0x00000008 // UART Two Stop Bits Select
#define UART_LCRH_EPS 0x00000004 // UART Even Parity Select
#define UART_LCRH_PEN 0x00000002 // UART Parity Enable
#define UART_LCRH_BRK 0x00000001 // UART Send Break
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_CTL register.
//
//*****************************************************************************
#define UART_CTL_CTSEN 0x00008000 // Enable Clear To Send
#define UART_CTL_RTSEN 0x00004000 // Enable Request to Send
#define UART_CTL_RTS 0x00000800 // Request to Send
#define UART_CTL_DTR 0x00000400 // Data Terminal Ready
#define UART_CTL_RXE 0x00000200 // UART Receive Enable
#define UART_CTL_TXE 0x00000100 // UART Transmit Enable
#define UART_CTL_LBE 0x00000080 // UART Loop Back Enable
#define UART_CTL_HSE 0x00000020 // High-Speed Enable
#define UART_CTL_EOT 0x00000010 // End of Transmission
#define UART_CTL_SMART 0x00000008 // ISO 7816 Smart Card Support
#define UART_CTL_SIRLP 0x00000004 // UART SIR Low-Power Mode
#define UART_CTL_SIREN 0x00000002 // UART SIR Enable
#define UART_CTL_UARTEN 0x00000001 // UART Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_IFLS register.
//
//*****************************************************************************
#define UART_IFLS_RX_M 0x00000038 // UART Receive Interrupt FIFO
// Level Select
#define UART_IFLS_RX1_8 0x00000000 // RX FIFO >= 1/8 full
#define UART_IFLS_RX2_8 0x00000008 // RX FIFO >= 1/4 full
#define UART_IFLS_RX4_8 0x00000010 // RX FIFO >= 1/2 full (default)
#define UART_IFLS_RX6_8 0x00000018 // RX FIFO >= 3/4 full
#define UART_IFLS_RX7_8 0x00000020 // RX FIFO >= 7/8 full
#define UART_IFLS_TX_M 0x00000007 // UART Transmit Interrupt FIFO
// Level Select
#define UART_IFLS_TX1_8 0x00000000 // TX FIFO <= 1/8 full
#define UART_IFLS_TX2_8 0x00000001 // TX FIFO <= 1/4 full
#define UART_IFLS_TX4_8 0x00000002 // TX FIFO <= 1/2 full (default)
#define UART_IFLS_TX6_8 0x00000003 // TX FIFO <= 3/4 full
#define UART_IFLS_TX7_8 0x00000004 // TX FIFO <= 7/8 full
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_IM register.
//
//*****************************************************************************
#define UART_IM_9BITIM 0x00001000 // 9-Bit Mode Interrupt Mask
#define UART_IM_OEIM 0x00000400 // UART Overrun Error Interrupt
// Mask
#define UART_IM_BEIM 0x00000200 // UART Break Error Interrupt Mask
#define UART_IM_PEIM 0x00000100 // UART Parity Error Interrupt Mask
#define UART_IM_FEIM 0x00000080 // UART Framing Error Interrupt
// Mask
#define UART_IM_RTIM 0x00000040 // UART Receive Time-Out Interrupt
// Mask
#define UART_IM_TXIM 0x00000020 // UART Transmit Interrupt Mask
#define UART_IM_RXIM 0x00000010 // UART Receive Interrupt Mask
#define UART_IM_DSRMIM 0x00000008 // UART Data Set Ready Modem
// Interrupt Mask
#define UART_IM_DCDMIM 0x00000004 // UART Data Carrier Detect Modem
// Interrupt Mask
#define UART_IM_CTSMIM 0x00000002 // UART Clear to Send Modem
// Interrupt Mask
#define UART_IM_RIMIM 0x00000001 // UART Ring Indicator Modem
// Interrupt Mask
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_RIS register.
//
//*****************************************************************************
#define UART_RIS_9BITRIS 0x00001000 // 9-Bit Mode Raw Interrupt Status
#define UART_RIS_OERIS 0x00000400 // UART Overrun Error Raw Interrupt
// Status
#define UART_RIS_BERIS 0x00000200 // UART Break Error Raw Interrupt
// Status
#define UART_RIS_PERIS 0x00000100 // UART Parity Error Raw Interrupt
// Status
#define UART_RIS_FERIS 0x00000080 // UART Framing Error Raw Interrupt
// Status
#define UART_RIS_RTRIS 0x00000040 // UART Receive Time-Out Raw
// Interrupt Status
#define UART_RIS_TXRIS 0x00000020 // UART Transmit Raw Interrupt
// Status
#define UART_RIS_RXRIS 0x00000010 // UART Receive Raw Interrupt
// Status
#define UART_RIS_DSRRIS 0x00000008 // UART Data Set Ready Modem Raw
// Interrupt Status
#define UART_RIS_DCDRIS 0x00000004 // UART Data Carrier Detect Modem
// Raw Interrupt Status
#define UART_RIS_CTSRIS 0x00000002 // UART Clear to Send Modem Raw
// Interrupt Status
#define UART_RIS_RIRIS 0x00000001 // UART Ring Indicator Modem Raw
// Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_MIS register.
//
//*****************************************************************************
#define UART_MIS_9BITMIS 0x00001000 // 9-Bit Mode Masked Interrupt
// Status
#define UART_MIS_OEMIS 0x00000400 // UART Overrun Error Masked
// Interrupt Status
#define UART_MIS_BEMIS 0x00000200 // UART Break Error Masked
// Interrupt Status
#define UART_MIS_PEMIS 0x00000100 // UART Parity Error Masked
// Interrupt Status
#define UART_MIS_FEMIS 0x00000080 // UART Framing Error Masked
// Interrupt Status
#define UART_MIS_RTMIS 0x00000040 // UART Receive Time-Out Masked
// Interrupt Status
#define UART_MIS_TXMIS 0x00000020 // UART Transmit Masked Interrupt
// Status
#define UART_MIS_RXMIS 0x00000010 // UART Receive Masked Interrupt
// Status
#define UART_MIS_DSRMIS 0x00000008 // UART Data Set Ready Modem Masked
// Interrupt Status
#define UART_MIS_DCDMIS 0x00000004 // UART Data Carrier Detect Modem
// Masked Interrupt Status
#define UART_MIS_CTSMIS 0x00000002 // UART Clear to Send Modem Masked
// Interrupt Status
#define UART_MIS_RIMIS 0x00000001 // UART Ring Indicator Modem Masked
// Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_ICR register.
//
//*****************************************************************************
#define UART_ICR_9BITIC 0x00001000 // 9-Bit Mode Interrupt Clear
#define UART_ICR_OEIC 0x00000400 // Overrun Error Interrupt Clear
#define UART_ICR_BEIC 0x00000200 // Break Error Interrupt Clear
#define UART_ICR_PEIC 0x00000100 // Parity Error Interrupt Clear
#define UART_ICR_FEIC 0x00000080 // Framing Error Interrupt Clear
#define UART_ICR_RTIC 0x00000040 // Receive Time-Out Interrupt Clear
#define UART_ICR_TXIC 0x00000020 // Transmit Interrupt Clear
#define UART_ICR_RXIC 0x00000010 // Receive Interrupt Clear
#define UART_ICR_DSRMIC 0x00000008 // UART Data Set Ready Modem
// Interrupt Clear
#define UART_ICR_DCDMIC 0x00000004 // UART Data Carrier Detect Modem
// Interrupt Clear
#define UART_ICR_CTSMIC 0x00000002 // UART Clear to Send Modem
// Interrupt Clear
#define UART_ICR_RIMIC 0x00000001 // UART Ring Indicator Modem
// Interrupt Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_DMACTL register.
//
//*****************************************************************************
#define UART_DMACTL_DMAERR 0x00000004 // DMA on Error
#define UART_DMACTL_TXDMAE 0x00000002 // Transmit DMA Enable
#define UART_DMACTL_RXDMAE 0x00000001 // Receive DMA Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_9BITADDR
// register.
//
//*****************************************************************************
#define UART_9BITADDR_9BITEN 0x00008000 // Enable 9-Bit Mode
#define UART_9BITADDR_ADDR_M 0x000000FF // Self Address for 9-Bit Mode
#define UART_9BITADDR_ADDR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_9BITAMASK
// register.
//
//*****************************************************************************
#define UART_9BITAMASK_MASK_M 0x000000FF // Self Address Mask for 9-Bit Mode
#define UART_9BITAMASK_MASK_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_PP register.
//
//*****************************************************************************
#define UART_PP_NB 0x00000002 // 9-Bit Support
#define UART_PP_SC 0x00000001 // Smart Card Support
//*****************************************************************************
//
// The following are defines for the bit fields in the UART_O_CC register.
//
//*****************************************************************************
#define UART_CC_CS_M 0x0000000F // UART Baud Clock Source
#define UART_CC_CS_SYSCLK 0x00000000 // The system clock (default)
#define UART_CC_CS_PIOSC 0x00000005 // PIOSC
#endif // __HW_UART_H__

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//*****************************************************************************
//
// hw_udma.h - Macros for use in accessing the UDMA registers.
//
// Copyright (c) 2007-2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the
// distribution.
//
// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// This is part of revision 1.1 of the Tiva Firmware Development Package.
//
//*****************************************************************************
#ifndef __HW_UDMA_H__
#define __HW_UDMA_H__
//*****************************************************************************
//
// The following are defines for the Micro Direct Memory Access register
// addresses.
//
//*****************************************************************************
#define UDMA_STAT 0x400FF000 // DMA Status
#define UDMA_CFG 0x400FF004 // DMA Configuration
#define UDMA_CTLBASE 0x400FF008 // DMA Channel Control Base Pointer
#define UDMA_ALTBASE 0x400FF00C // DMA Alternate Channel Control
// Base Pointer
#define UDMA_WAITSTAT 0x400FF010 // DMA Channel Wait-on-Request
// Status
#define UDMA_SWREQ 0x400FF014 // DMA Channel Software Request
#define UDMA_USEBURSTSET 0x400FF018 // DMA Channel Useburst Set
#define UDMA_USEBURSTCLR 0x400FF01C // DMA Channel Useburst Clear
#define UDMA_REQMASKSET 0x400FF020 // DMA Channel Request Mask Set
#define UDMA_REQMASKCLR 0x400FF024 // DMA Channel Request Mask Clear
#define UDMA_ENASET 0x400FF028 // DMA Channel Enable Set
#define UDMA_ENACLR 0x400FF02C // DMA Channel Enable Clear
#define UDMA_ALTSET 0x400FF030 // DMA Channel Primary Alternate
// Set
#define UDMA_ALTCLR 0x400FF034 // DMA Channel Primary Alternate
// Clear
#define UDMA_PRIOSET 0x400FF038 // DMA Channel Priority Set
#define UDMA_PRIOCLR 0x400FF03C // DMA Channel Priority Clear
#define UDMA_ERRCLR 0x400FF04C // DMA Bus Error Clear
#define UDMA_CHASGN 0x400FF500 // DMA Channel Assignment
#define UDMA_CHIS 0x400FF504 // DMA Channel Interrupt Status
#define UDMA_CHMAP0 0x400FF510 // DMA Channel Map Select 0
#define UDMA_CHMAP1 0x400FF514 // DMA Channel Map Select 1
#define UDMA_CHMAP2 0x400FF518 // DMA Channel Map Select 2
#define UDMA_CHMAP3 0x400FF51C // DMA Channel Map Select 3
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_STAT register.
//
//*****************************************************************************
#define UDMA_STAT_DMACHANS_M 0x001F0000 // Available uDMA Channels Minus 1
#define UDMA_STAT_STATE_M 0x000000F0 // Control State Machine Status
#define UDMA_STAT_STATE_IDLE 0x00000000 // Idle
#define UDMA_STAT_STATE_RD_CTRL 0x00000010 // Reading channel controller data
#define UDMA_STAT_STATE_RD_SRCENDP \
0x00000020 // Reading source end pointer
#define UDMA_STAT_STATE_RD_DSTENDP \
0x00000030 // Reading destination end pointer
#define UDMA_STAT_STATE_RD_SRCDAT \
0x00000040 // Reading source data
#define UDMA_STAT_STATE_WR_DSTDAT \
0x00000050 // Writing destination data
#define UDMA_STAT_STATE_WAIT 0x00000060 // Waiting for uDMA request to
// clear
#define UDMA_STAT_STATE_WR_CTRL 0x00000070 // Writing channel controller data
#define UDMA_STAT_STATE_STALL 0x00000080 // Stalled
#define UDMA_STAT_STATE_DONE 0x00000090 // Done
#define UDMA_STAT_STATE_UNDEF 0x000000A0 // Undefined
#define UDMA_STAT_MASTEN 0x00000001 // Master Enable Status
#define UDMA_STAT_DMACHANS_S 16
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CFG register.
//
//*****************************************************************************
#define UDMA_CFG_MASTEN 0x00000001 // Controller Master Enable
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CTLBASE register.
//
//*****************************************************************************
#define UDMA_CTLBASE_ADDR_M 0xFFFFFC00 // Channel Control Base Address
#define UDMA_CTLBASE_ADDR_S 10
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ALTBASE register.
//
//*****************************************************************************
#define UDMA_ALTBASE_ADDR_M 0xFFFFFFFF // Alternate Channel Address
// Pointer
#define UDMA_ALTBASE_ADDR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_WAITSTAT register.
//
//*****************************************************************************
#define UDMA_WAITSTAT_WAITREQ_M 0xFFFFFFFF // Channel [n] Wait Status
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_SWREQ register.
//
//*****************************************************************************
#define UDMA_SWREQ_M 0xFFFFFFFF // Channel [n] Software Request
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_USEBURSTSET
// register.
//
//*****************************************************************************
#define UDMA_USEBURSTSET_SET_M 0xFFFFFFFF // Channel [n] Useburst Set
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_USEBURSTCLR
// register.
//
//*****************************************************************************
#define UDMA_USEBURSTCLR_CLR_M 0xFFFFFFFF // Channel [n] Useburst Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_REQMASKSET
// register.
//
//*****************************************************************************
#define UDMA_REQMASKSET_SET_M 0xFFFFFFFF // Channel [n] Request Mask Set
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_REQMASKCLR
// register.
//
//*****************************************************************************
#define UDMA_REQMASKCLR_CLR_M 0xFFFFFFFF // Channel [n] Request Mask Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ENASET register.
//
//*****************************************************************************
#define UDMA_ENASET_SET_M 0xFFFFFFFF // Channel [n] Enable Set
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ENACLR register.
//
//*****************************************************************************
#define UDMA_ENACLR_CLR_M 0xFFFFFFFF // Clear Channel [n] Enable Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ALTSET register.
//
//*****************************************************************************
#define UDMA_ALTSET_SET_M 0xFFFFFFFF // Channel [n] Alternate Set
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ALTCLR register.
//
//*****************************************************************************
#define UDMA_ALTCLR_CLR_M 0xFFFFFFFF // Channel [n] Alternate Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_PRIOSET register.
//
//*****************************************************************************
#define UDMA_PRIOSET_SET_M 0xFFFFFFFF // Channel [n] Priority Set
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_PRIOCLR register.
//
//*****************************************************************************
#define UDMA_PRIOCLR_CLR_M 0xFFFFFFFF // Channel [n] Priority Clear
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_ERRCLR register.
//
//*****************************************************************************
#define UDMA_ERRCLR_ERRCLR 0x00000001 // uDMA Bus Error Status
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CHASGN register.
//
//*****************************************************************************
#define UDMA_CHASGN_M 0xFFFFFFFF // Channel [n] Assignment Select
#define UDMA_CHASGN_PRIMARY 0x00000000 // Use the primary channel
// assignment
#define UDMA_CHASGN_SECONDARY 0x00000001 // Use the secondary channel
// assignment
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CHIS register.
//
//*****************************************************************************
#define UDMA_CHIS_M 0xFFFFFFFF // Channel [n] Interrupt Status
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CHMAP0 register.
//
//*****************************************************************************
#define UDMA_CHMAP0_CH7SEL_M 0xF0000000 // uDMA Channel 7 Source Select
#define UDMA_CHMAP0_CH6SEL_M 0x0F000000 // uDMA Channel 6 Source Select
#define UDMA_CHMAP0_CH5SEL_M 0x00F00000 // uDMA Channel 5 Source Select
#define UDMA_CHMAP0_CH4SEL_M 0x000F0000 // uDMA Channel 4 Source Select
#define UDMA_CHMAP0_CH3SEL_M 0x0000F000 // uDMA Channel 3 Source Select
#define UDMA_CHMAP0_CH2SEL_M 0x00000F00 // uDMA Channel 2 Source Select
#define UDMA_CHMAP0_CH1SEL_M 0x000000F0 // uDMA Channel 1 Source Select
#define UDMA_CHMAP0_CH0SEL_M 0x0000000F // uDMA Channel 0 Source Select
#define UDMA_CHMAP0_CH7SEL_S 28
#define UDMA_CHMAP0_CH6SEL_S 24
#define UDMA_CHMAP0_CH5SEL_S 20
#define UDMA_CHMAP0_CH4SEL_S 16
#define UDMA_CHMAP0_CH3SEL_S 12
#define UDMA_CHMAP0_CH2SEL_S 8
#define UDMA_CHMAP0_CH1SEL_S 4
#define UDMA_CHMAP0_CH0SEL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CHMAP1 register.
//
//*****************************************************************************
#define UDMA_CHMAP1_CH15SEL_M 0xF0000000 // uDMA Channel 15 Source Select
#define UDMA_CHMAP1_CH14SEL_M 0x0F000000 // uDMA Channel 14 Source Select
#define UDMA_CHMAP1_CH13SEL_M 0x00F00000 // uDMA Channel 13 Source Select
#define UDMA_CHMAP1_CH12SEL_M 0x000F0000 // uDMA Channel 12 Source Select
#define UDMA_CHMAP1_CH11SEL_M 0x0000F000 // uDMA Channel 11 Source Select
#define UDMA_CHMAP1_CH10SEL_M 0x00000F00 // uDMA Channel 10 Source Select
#define UDMA_CHMAP1_CH9SEL_M 0x000000F0 // uDMA Channel 9 Source Select
#define UDMA_CHMAP1_CH8SEL_M 0x0000000F // uDMA Channel 8 Source Select
#define UDMA_CHMAP1_CH15SEL_S 28
#define UDMA_CHMAP1_CH14SEL_S 24
#define UDMA_CHMAP1_CH13SEL_S 20
#define UDMA_CHMAP1_CH12SEL_S 16
#define UDMA_CHMAP1_CH11SEL_S 12
#define UDMA_CHMAP1_CH10SEL_S 8
#define UDMA_CHMAP1_CH9SEL_S 4
#define UDMA_CHMAP1_CH8SEL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CHMAP2 register.
//
//*****************************************************************************
#define UDMA_CHMAP2_CH23SEL_M 0xF0000000 // uDMA Channel 23 Source Select
#define UDMA_CHMAP2_CH22SEL_M 0x0F000000 // uDMA Channel 22 Source Select
#define UDMA_CHMAP2_CH21SEL_M 0x00F00000 // uDMA Channel 21 Source Select
#define UDMA_CHMAP2_CH20SEL_M 0x000F0000 // uDMA Channel 20 Source Select
#define UDMA_CHMAP2_CH19SEL_M 0x0000F000 // uDMA Channel 19 Source Select
#define UDMA_CHMAP2_CH18SEL_M 0x00000F00 // uDMA Channel 18 Source Select
#define UDMA_CHMAP2_CH17SEL_M 0x000000F0 // uDMA Channel 17 Source Select
#define UDMA_CHMAP2_CH16SEL_M 0x0000000F // uDMA Channel 16 Source Select
#define UDMA_CHMAP2_CH23SEL_S 28
#define UDMA_CHMAP2_CH22SEL_S 24
#define UDMA_CHMAP2_CH21SEL_S 20
#define UDMA_CHMAP2_CH20SEL_S 16
#define UDMA_CHMAP2_CH19SEL_S 12
#define UDMA_CHMAP2_CH18SEL_S 8
#define UDMA_CHMAP2_CH17SEL_S 4
#define UDMA_CHMAP2_CH16SEL_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_CHMAP3 register.
//
//*****************************************************************************
#define UDMA_CHMAP3_CH31SEL_M 0xF0000000 // uDMA Channel 31 Source Select
#define UDMA_CHMAP3_CH30SEL_M 0x0F000000 // uDMA Channel 30 Source Select
#define UDMA_CHMAP3_CH29SEL_M 0x00F00000 // uDMA Channel 29 Source Select
#define UDMA_CHMAP3_CH28SEL_M 0x000F0000 // uDMA Channel 28 Source Select
#define UDMA_CHMAP3_CH27SEL_M 0x0000F000 // uDMA Channel 27 Source Select
#define UDMA_CHMAP3_CH26SEL_M 0x00000F00 // uDMA Channel 26 Source Select
#define UDMA_CHMAP3_CH25SEL_M 0x000000F0 // uDMA Channel 25 Source Select
#define UDMA_CHMAP3_CH24SEL_M 0x0000000F // uDMA Channel 24 Source Select
#define UDMA_CHMAP3_CH31SEL_S 28
#define UDMA_CHMAP3_CH30SEL_S 24
#define UDMA_CHMAP3_CH29SEL_S 20
#define UDMA_CHMAP3_CH28SEL_S 16
#define UDMA_CHMAP3_CH27SEL_S 12
#define UDMA_CHMAP3_CH26SEL_S 8
#define UDMA_CHMAP3_CH25SEL_S 4
#define UDMA_CHMAP3_CH24SEL_S 0
//*****************************************************************************
//
// The following are defines for the Micro Direct Memory Access (uDMA) offsets.
//
//*****************************************************************************
#define UDMA_O_SRCENDP 0x00000000 // DMA Channel Source Address End
// Pointer
#define UDMA_O_DSTENDP 0x00000004 // DMA Channel Destination Address
// End Pointer
#define UDMA_O_CHCTL 0x00000008 // DMA Channel Control Word
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_O_SRCENDP register.
//
//*****************************************************************************
#define UDMA_SRCENDP_ADDR_M 0xFFFFFFFF // Source Address End Pointer
#define UDMA_SRCENDP_ADDR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_O_DSTENDP register.
//
//*****************************************************************************
#define UDMA_DSTENDP_ADDR_M 0xFFFFFFFF // Destination Address End Pointer
#define UDMA_DSTENDP_ADDR_S 0
//*****************************************************************************
//
// The following are defines for the bit fields in the UDMA_O_CHCTL register.
//
//*****************************************************************************
#define UDMA_CHCTL_DSTINC_M 0xC0000000 // Destination Address Increment
#define UDMA_CHCTL_DSTINC_8 0x00000000 // Byte
#define UDMA_CHCTL_DSTINC_16 0x40000000 // Half-word
#define UDMA_CHCTL_DSTINC_32 0x80000000 // Word
#define UDMA_CHCTL_DSTINC_NONE 0xC0000000 // No increment
#define UDMA_CHCTL_DSTSIZE_M 0x30000000 // Destination Data Size
#define UDMA_CHCTL_DSTSIZE_8 0x00000000 // Byte
#define UDMA_CHCTL_DSTSIZE_16 0x10000000 // Half-word
#define UDMA_CHCTL_DSTSIZE_32 0x20000000 // Word
#define UDMA_CHCTL_SRCINC_M 0x0C000000 // Source Address Increment
#define UDMA_CHCTL_SRCINC_8 0x00000000 // Byte
#define UDMA_CHCTL_SRCINC_16 0x04000000 // Half-word
#define UDMA_CHCTL_SRCINC_32 0x08000000 // Word
#define UDMA_CHCTL_SRCINC_NONE 0x0C000000 // No increment
#define UDMA_CHCTL_SRCSIZE_M 0x03000000 // Source Data Size
#define UDMA_CHCTL_SRCSIZE_8 0x00000000 // Byte
#define UDMA_CHCTL_SRCSIZE_16 0x01000000 // Half-word
#define UDMA_CHCTL_SRCSIZE_32 0x02000000 // Word
#define UDMA_CHCTL_ARBSIZE_M 0x0003C000 // Arbitration Size
#define UDMA_CHCTL_ARBSIZE_1 0x00000000 // 1 Transfer
#define UDMA_CHCTL_ARBSIZE_2 0x00004000 // 2 Transfers
#define UDMA_CHCTL_ARBSIZE_4 0x00008000 // 4 Transfers
#define UDMA_CHCTL_ARBSIZE_8 0x0000C000 // 8 Transfers
#define UDMA_CHCTL_ARBSIZE_16 0x00010000 // 16 Transfers
#define UDMA_CHCTL_ARBSIZE_32 0x00014000 // 32 Transfers
#define UDMA_CHCTL_ARBSIZE_64 0x00018000 // 64 Transfers
#define UDMA_CHCTL_ARBSIZE_128 0x0001C000 // 128 Transfers
#define UDMA_CHCTL_ARBSIZE_256 0x00020000 // 256 Transfers
#define UDMA_CHCTL_ARBSIZE_512 0x00024000 // 512 Transfers
#define UDMA_CHCTL_ARBSIZE_1024 0x00028000 // 1024 Transfers
#define UDMA_CHCTL_XFERSIZE_M 0x00003FF0 // Transfer Size (minus 1)
#define UDMA_CHCTL_NXTUSEBURST 0x00000008 // Next Useburst
#define UDMA_CHCTL_XFERMODE_M 0x00000007 // uDMA Transfer Mode
#define UDMA_CHCTL_XFERMODE_STOP \
0x00000000 // Stop
#define UDMA_CHCTL_XFERMODE_BASIC \
0x00000001 // Basic
#define UDMA_CHCTL_XFERMODE_AUTO \
0x00000002 // Auto-Request
#define UDMA_CHCTL_XFERMODE_PINGPONG \
0x00000003 // Ping-Pong
#define UDMA_CHCTL_XFERMODE_MEM_SG \
0x00000004 // Memory Scatter-Gather
#define UDMA_CHCTL_XFERMODE_MEM_SGA \
0x00000005 // Alternate Memory Scatter-Gather
#define UDMA_CHCTL_XFERMODE_PER_SG \
0x00000006 // Peripheral Scatter-Gather
#define UDMA_CHCTL_XFERMODE_PER_SGA \
0x00000007 // Alternate Peripheral
// Scatter-Gather
#define UDMA_CHCTL_XFERSIZE_S 4
#endif // __HW_UDMA_H__

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