118 lines
4.9 KiB
C
118 lines
4.9 KiB
C
//*****************************************************************************
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//
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// adc.h
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//
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// Defines and Macros for the ADC.
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//
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// Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
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//
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//*****************************************************************************
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#ifndef __ADC_H__
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#define __ADC_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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// Values that can be passed to APIs as ulChannel parameter
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//*****************************************************************************
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#define ADC_CH_0 0x00000000
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#define ADC_CH_1 0x00000008
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#define ADC_CH_2 0x00000010
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#define ADC_CH_3 0x00000018
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//*****************************************************************************
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//
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// Values that can be passed to ADCIntEnable(), ADCIntDisable()
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// and ADCIntClear() as ulIntFlags, and returned from ADCIntStatus()
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//
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//*****************************************************************************
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#define ADC_DMA_DONE 0x00000010
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#define ADC_FIFO_OVERFLOW 0x00000008
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#define ADC_FIFO_UNDERFLOW 0x00000004
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#define ADC_FIFO_EMPTY 0x00000002
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#define ADC_FIFO_FULL 0x00000001
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//*****************************************************************************
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//
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// API Function prototypes
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//
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//*****************************************************************************
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extern void ADCEnable(unsigned long ulBase);
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extern void ADCDisable(unsigned long ulBase);
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extern void ADCChannelEnable(unsigned long ulBase,unsigned long ulChannel);
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extern void ADCChannelDisable(unsigned long ulBase,unsigned long ulChannel);
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extern void ADCIntRegister(unsigned long ulBase, unsigned long ulChannel,
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void (*pfnHandler)(void));
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extern void ADCIntUnregister(unsigned long ulBase, unsigned long ulChannel);
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extern void ADCIntEnable(unsigned long ulBase, unsigned long ulChannel,
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unsigned long ulIntFlags);
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extern void ADCIntDisable(unsigned long ulBase, unsigned long ulChannel,
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unsigned long ulIntFlags);
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extern unsigned long ADCIntStatus(unsigned long ulBase,unsigned long ulChannel);
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extern void ADCIntClear(unsigned long ulBase, unsigned long ulChannel,
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unsigned long ulIntFlags);
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extern void ADCDMAEnable(unsigned long ulBase, unsigned long ulChannel);
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extern void ADCDMADisable(unsigned long ulBase, unsigned long ulChannel);
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extern void ADCTimerConfig(unsigned long ulBase, unsigned long ulValue);
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extern void ADCTimerEnable(unsigned long ulBase);
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extern void ADCTimerDisable(unsigned long ulBase);
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extern void ADCTimerReset(unsigned long ulBase);
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extern unsigned long ADCTimerValueGet(unsigned long ulBase);
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extern unsigned char ADCFIFOLvlGet(unsigned long ulBase,
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unsigned long ulChannel);
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extern unsigned long ADCFIFORead(unsigned long ulBase,
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unsigned long ulChannel);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __ADC_H__
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