142 lines
7.6 KiB
C
142 lines
7.6 KiB
C
//*****************************************************************************
|
|
//
|
|
// 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__
|