//***************************************************************************** // // uart.h - Defines and Macros for the UART. // // Copyright (c) 2005-2011 Texas Instruments Incorporated. All rights reserved. // Software License Agreement // // Texas Instruments (TI) is supplying this software for use solely and // exclusively on TI's microcontroller products. The software is owned by // TI and/or its suppliers, and is protected under applicable copyright // laws. You may not combine this software with "viral" open-source // software in order to form a larger program. // // THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS. // NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT // NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY // CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL // DAMAGES, FOR ANY REASON WHATSOEVER. // // This is part of revision 6852 of the Stellaris Peripheral Driver Library. // //***************************************************************************** #ifndef __UART_H__ #define __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 ulIntFlags parameter, and returned from UARTIntStatus. // //***************************************************************************** #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 ulConfig parameter // and returned by UARTConfigGetExpClk in the pulConfig parameter. // Additionally, the UART_CONFIG_PAR_* subset can be passed to // UARTParityModeSet as the ulParity 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 ulTxLevel parameter and // returned by UARTFIFOLevelGet in the pulTxLevel. // //***************************************************************************** #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 ulRxLevel parameter and // returned by UARTFIFOLevelGet in the pulRxLevel. // //***************************************************************************** #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 //***************************************************************************** // // API Function prototypes // //***************************************************************************** extern void UARTParityModeSet(unsigned long ulBase, unsigned long ulParity); extern unsigned long UARTParityModeGet(unsigned long ulBase); extern void UARTFIFOLevelSet(unsigned long ulBase, unsigned long ulTxLevel, unsigned long ulRxLevel); extern void UARTFIFOLevelGet(unsigned long ulBase, unsigned long *pulTxLevel, unsigned long *pulRxLevel); extern void UARTConfigSetExpClk(unsigned long ulBase, unsigned long ulUARTClk, unsigned long ulBaud, unsigned long ulConfig); extern void UARTConfigGetExpClk(unsigned long ulBase, unsigned long ulUARTClk, unsigned long *pulBaud, unsigned long *pulConfig); extern void UARTEnable(unsigned long ulBase); extern void UARTDisable(unsigned long ulBase); extern void UARTFIFOEnable(unsigned long ulBase); extern void UARTFIFODisable(unsigned long ulBase); extern void UARTEnableSIR(unsigned long ulBase, tBoolean bLowPower); extern void UARTDisableSIR(unsigned long ulBase); extern tBoolean UARTCharsAvail(unsigned long ulBase); extern tBoolean UARTSpaceAvail(unsigned long ulBase); extern long UARTCharGetNonBlocking(unsigned long ulBase); extern long UARTCharGet(unsigned long ulBase); extern tBoolean UARTCharPutNonBlocking(unsigned long ulBase, unsigned char ucData); extern void UARTCharPut(unsigned long ulBase, unsigned char ucData); extern void UARTBreakCtl(unsigned long ulBase, tBoolean bBreakState); extern tBoolean UARTBusy(unsigned long ulBase); extern void UARTIntRegister(unsigned long ulBase, void(*pfnHandler)(void)); extern void UARTIntUnregister(unsigned long ulBase); extern void UARTIntEnable(unsigned long ulBase, unsigned long ulIntFlags); extern void UARTIntDisable(unsigned long ulBase, unsigned long ulIntFlags); extern unsigned long UARTIntStatus(unsigned long ulBase, tBoolean bMasked); extern void UARTIntClear(unsigned long ulBase, unsigned long ulIntFlags); extern void UARTDMAEnable(unsigned long ulBase, unsigned long ulDMAFlags); extern void UARTDMADisable(unsigned long ulBase, unsigned long ulDMAFlags); extern unsigned long UARTRxErrorGet(unsigned long ulBase); extern void UARTRxErrorClear(unsigned long ulBase); extern void UARTSmartCardEnable(unsigned long ulBase); extern void UARTSmartCardDisable(unsigned long ulBase); extern void UARTModemControlSet(unsigned long ulBase, unsigned long ulControl); extern void UARTModemControlClear(unsigned long ulBase, unsigned long ulControl); extern unsigned long UARTModemControlGet(unsigned long ulBase); extern unsigned long UARTModemStatusGet(unsigned long ulBase); extern void UARTFlowControlSet(unsigned long ulBase, unsigned long ulMode); extern unsigned long UARTFlowControlGet(unsigned long ulBase); extern void UARTTxIntModeSet(unsigned long ulBase, unsigned long ulMode); extern unsigned long UARTTxIntModeGet(unsigned long ulBase); //***************************************************************************** // // Several UART APIs have been renamed, with the original function name being // deprecated. These defines provide backward compatibility. // //***************************************************************************** #ifndef DEPRECATED #include "driverlib/sysctl.h" #define UARTConfigSet(a, b, c) \ UARTConfigSetExpClk(a, SysCtlClockGet(), b, c) #define UARTConfigGet(a, b, c) \ UARTConfigGetExpClk(a, SysCtlClockGet(), b, c) #define UARTCharNonBlockingGet(a) \ UARTCharGetNonBlocking(a) #define UARTCharNonBlockingPut(a, b) \ UARTCharPutNonBlocking(a, b) #endif //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif #endif // __UART_H__