328 lines
17 KiB
C
328 lines
17 KiB
C
//*****************************************************************************
|
|
//
|
|
// adc.h - ADC headers for using the ADC driver functions.
|
|
//
|
|
// Copyright (c) 2005-2020 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 2.2.0.295 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_NEVER 0x0000000E // Never Trigger
|
|
#define ADC_TRIGGER_ALWAYS 0x0000000F // Always event
|
|
#define ADC_TRIGGER_PWM_MOD0 0x00000000 // PWM triggers from PWM0
|
|
#define ADC_TRIGGER_PWM_MOD1 0x00000010 // PWM triggers from PWM1
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// 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
|
|
#define ADC_CTL_SHOLD_4 0x00000000 // Sample and hold 4 ADC clocks
|
|
#define ADC_CTL_SHOLD_8 0x00200000 // Sample and hold 8 ADC clocks
|
|
#define ADC_CTL_SHOLD_16 0x00400000 // Sample and hold 16 ADC clocks
|
|
#define ADC_CTL_SHOLD_32 0x00600000 // Sample and hold 32 ADC clocks
|
|
#define ADC_CTL_SHOLD_64 0x00800000 // Sample and hold 64 ADC clocks
|
|
#define ADC_CTL_SHOLD_128 0x00A00000 // Sample and hold 128 ADC clocks
|
|
#define ADC_CTL_SHOLD_256 0x00C00000 // Sample and hold 256 ADC clocks
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// 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
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// 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
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to ADCClockConfigSet() and ADCClockConfigGet().
|
|
//
|
|
//*****************************************************************************
|
|
#define ADC_CLOCK_RATE_FULL 0x00000070
|
|
#define ADC_CLOCK_RATE_HALF 0x00000050
|
|
#define ADC_CLOCK_RATE_FOURTH 0x00000030
|
|
#define ADC_CLOCK_RATE_EIGHTH 0x00000010
|
|
#define ADC_CLOCK_SRC_PLL 0x00000000
|
|
#define ADC_CLOCK_SRC_PIOSC 0x00000001
|
|
#define ADC_CLOCK_SRC_ALTCLK 0x00000001
|
|
#define ADC_CLOCK_SRC_MOSC 0x00000002
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// 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 ADCClockConfigSet(uint32_t ui32Base, uint32_t ui32Config,
|
|
uint32_t ui32ClockDiv);
|
|
extern uint32_t ADCClockConfigGet(uint32_t ui32Base, uint32_t *pui32ClockDiv);
|
|
|
|
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 ADCIntDisableEx(uint32_t ui32Base, uint32_t ui32IntFlags);
|
|
extern void ADCIntEnableEx(uint32_t ui32Base, uint32_t ui32IntFlags);
|
|
extern uint32_t ADCIntStatusEx(uint32_t ui32Base, bool bMasked);
|
|
extern void ADCIntClearEx(uint32_t ui32Base, uint32_t ui32IntFlags);
|
|
extern void ADCSequenceDMAEnable(uint32_t ui32Base, uint32_t ui32SequenceNum);
|
|
extern void ADCSequenceDMADisable(uint32_t ui32Base, uint32_t ui32SequenceNum);
|
|
extern bool ADCBusy(uint32_t ui32Base);
|
|
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);
|
|
extern void ADCSampleRateSet(uint32_t ui32Base, uint32_t ui32ADCClock,
|
|
uint32_t ui32Rate);
|
|
extern uint32_t ADCSampleRateGet(uint32_t ui32Base);
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Mark the end of the C bindings section for C++ compilers.
|
|
//
|
|
//*****************************************************************************
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // __DRIVERLIB_ADC_H__
|