em_adc.h File Reference

Detailed Description

Analog to Digital Converter (ADC) peripheral API.

Version

5.1.2

License

Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no obligation to support this Software. Silicon Labs is providing the Software "AS IS", with no express or implied warranties of any kind, including, but not limited to, any implied warranties of merchantability or fitness for any particular purpose or warranties against infringement of any proprietary rights of a third party.

Silicon Labs will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.

Definition in file em_adc.h.

#include "em_device.h"
#include <stdbool.h>

Go to the source code of this file.

Data Structures
struct	ADC_Init_TypeDef
struct	ADC_InitScan_TypeDef
struct	ADC_InitScanInput_TypeDef
struct	ADC_InitSingle_TypeDef

Macros
#define	ADC_INIT_DEFAULT
#define	ADC_INITSCAN_DEFAULT
#define	ADC_INITSINGLE_DEFAULT

Enumerations
enum	ADC_AcqTime_TypeDef {   adcAcqTime1 = _ADC_SINGLECTRL_AT_1CYCLE,   adcAcqTime2 = _ADC_SINGLECTRL_AT_2CYCLES,   adcAcqTime4 = _ADC_SINGLECTRL_AT_4CYCLES,   adcAcqTime8 = _ADC_SINGLECTRL_AT_8CYCLES,   adcAcqTime16 = _ADC_SINGLECTRL_AT_16CYCLES,   adcAcqTime32 = _ADC_SINGLECTRL_AT_32CYCLES,   adcAcqTime64 = _ADC_SINGLECTRL_AT_64CYCLES,   adcAcqTime128 = _ADC_SINGLECTRL_AT_128CYCLES,   adcAcqTime256 = _ADC_SINGLECTRL_AT_256CYCLES }
enum	ADC_LPFilter_TypeDef {   adcLPFilterBypass = _ADC_CTRL_LPFMODE_BYPASS,   adcLPFilterRC = _ADC_CTRL_LPFMODE_RCFILT,   adcLPFilterDeCap = _ADC_CTRL_LPFMODE_DECAP }
enum	ADC_OvsRateSel_TypeDef {   adcOvsRateSel2 = _ADC_CTRL_OVSRSEL_X2,   adcOvsRateSel4 = _ADC_CTRL_OVSRSEL_X4,   adcOvsRateSel8 = _ADC_CTRL_OVSRSEL_X8,   adcOvsRateSel16 = _ADC_CTRL_OVSRSEL_X16,   adcOvsRateSel32 = _ADC_CTRL_OVSRSEL_X32,   adcOvsRateSel64 = _ADC_CTRL_OVSRSEL_X64,   adcOvsRateSel128 = _ADC_CTRL_OVSRSEL_X128,   adcOvsRateSel256 = _ADC_CTRL_OVSRSEL_X256,   adcOvsRateSel512 = _ADC_CTRL_OVSRSEL_X512,   adcOvsRateSel1024 = _ADC_CTRL_OVSRSEL_X1024,   adcOvsRateSel2048 = _ADC_CTRL_OVSRSEL_X2048,   adcOvsRateSel4096 = _ADC_CTRL_OVSRSEL_X4096 }
enum	ADC_PRSSEL_TypeDef {   adcPRSSELCh0 = _ADC_SINGLECTRL_PRSSEL_PRSCH0,   adcPRSSELCh1 = _ADC_SINGLECTRL_PRSSEL_PRSCH1,   adcPRSSELCh2 = _ADC_SINGLECTRL_PRSSEL_PRSCH2,   adcPRSSELCh3 = _ADC_SINGLECTRL_PRSSEL_PRSCH3,   adcPRSSELCh4 = _ADC_SINGLECTRL_PRSSEL_PRSCH4,   adcPRSSELCh5 = _ADC_SINGLECTRL_PRSSEL_PRSCH5,   adcPRSSELCh6 = _ADC_SINGLECTRL_PRSSEL_PRSCH6,   adcPRSSELCh7 = _ADC_SINGLECTRL_PRSSEL_PRSCH7 }
enum	ADC_Ref_TypeDef {   adcRef1V25 = _ADC_SINGLECTRL_REF_1V25,   adcRef2V5 = _ADC_SINGLECTRL_REF_2V5,   adcRefVDD = _ADC_SINGLECTRL_REF_VDD,   adcRef5VDIFF = _ADC_SINGLECTRL_REF_5VDIFF,   adcRefExtSingle = _ADC_SINGLECTRL_REF_EXTSINGLE,   adcRef2xExtDiff = _ADC_SINGLECTRL_REF_2XEXTDIFF,   adcRef2xVDD = _ADC_SINGLECTRL_REF_2XVDD }
enum	ADC_Res_TypeDef {   adcRes12Bit = _ADC_SINGLECTRL_RES_12BIT,   adcRes8Bit = _ADC_SINGLECTRL_RES_8BIT,   adcRes6Bit = _ADC_SINGLECTRL_RES_6BIT,   adcResOVS = _ADC_SINGLECTRL_RES_OVS }
enum	ADC_SingleInput_TypeDef {   adcSingleInputCh0 = _ADC_SINGLECTRL_INPUTSEL_CH0,   adcSingleInputCh1 = _ADC_SINGLECTRL_INPUTSEL_CH1,   adcSingleInputCh2 = _ADC_SINGLECTRL_INPUTSEL_CH2,   adcSingleInputCh3 = _ADC_SINGLECTRL_INPUTSEL_CH3,   adcSingleInputCh4 = _ADC_SINGLECTRL_INPUTSEL_CH4,   adcSingleInputCh5 = _ADC_SINGLECTRL_INPUTSEL_CH5,   adcSingleInputCh6 = _ADC_SINGLECTRL_INPUTSEL_CH6,   adcSingleInputCh7 = _ADC_SINGLECTRL_INPUTSEL_CH7,   adcSingleInputTemp = _ADC_SINGLECTRL_INPUTSEL_TEMP,   adcSingleInputVDDDiv3 = _ADC_SINGLECTRL_INPUTSEL_VDDDIV3,   adcSingleInputVDD = _ADC_SINGLECTRL_INPUTSEL_VDD,   adcSingleInputVSS = _ADC_SINGLECTRL_INPUTSEL_VSS,   adcSingleInputVrefDiv2 = _ADC_SINGLECTRL_INPUTSEL_VREFDIV2,   adcSingleInputDACOut0 = _ADC_SINGLECTRL_INPUTSEL_DAC0OUT0,   adcSingleInputDACOut1 = _ADC_SINGLECTRL_INPUTSEL_DAC0OUT1,   adcSingleInputATEST = 15,   adcSingleInputCh0Ch1 = _ADC_SINGLECTRL_INPUTSEL_CH0CH1,   adcSingleInputCh2Ch3 = _ADC_SINGLECTRL_INPUTSEL_CH2CH3,   adcSingleInputCh4Ch5 = _ADC_SINGLECTRL_INPUTSEL_CH4CH5,   adcSingleInputCh6Ch7 = _ADC_SINGLECTRL_INPUTSEL_CH6CH7,   adcSingleInputDiff0 = 4 }
enum	ADC_Start_TypeDef {   adcStartSingle = ADC_CMD_SINGLESTART,   adcStartScan = ADC_CMD_SCANSTART,   adcStartScanAndSingle = ADC_CMD_SCANSTART | ADC_CMD_SINGLESTART }
enum	ADC_Warmup_TypeDef {   adcWarmupNormal = _ADC_CTRL_WARMUPMODE_NORMAL,   adcWarmupFastBG = _ADC_CTRL_WARMUPMODE_FASTBG,   adcWarmupKeepScanRefWarm = _ADC_CTRL_WARMUPMODE_KEEPSCANREFWARM,   adcWarmupKeepADCWarm = _ADC_CTRL_WARMUPMODE_KEEPADCWARM }

Functions
__STATIC_INLINE uint32_t	ADC_DataScanGet (ADC_TypeDef *adc)
	Get scan result. More...
__STATIC_INLINE uint32_t	ADC_DataScanPeek (ADC_TypeDef *adc)
	Peek scan result. More...
__STATIC_INLINE uint32_t	ADC_DataSingleGet (ADC_TypeDef *adc)
	Get single conversion result. More...
__STATIC_INLINE uint32_t	ADC_DataSinglePeek (ADC_TypeDef *adc)
	Peek single conversion result. More...
void	ADC_Init (ADC_TypeDef *adc, const ADC_Init_TypeDef *init)
	Initialize ADC. More...
void	ADC_InitScan (ADC_TypeDef *adc, const ADC_InitScan_TypeDef *init)
	Initialize ADC scan sequence. More...
void	ADC_InitSingle (ADC_TypeDef *adc, const ADC_InitSingle_TypeDef *init)
	Initialize single ADC sample conversion. More...
__STATIC_INLINE void	ADC_IntClear (ADC_TypeDef *adc, uint32_t flags)
	Clear one or more pending ADC interrupts. More...
__STATIC_INLINE void	ADC_IntDisable (ADC_TypeDef *adc, uint32_t flags)
	Disable one or more ADC interrupts. More...
__STATIC_INLINE void	ADC_IntEnable (ADC_TypeDef *adc, uint32_t flags)
	Enable one or more ADC interrupts. More...
__STATIC_INLINE uint32_t	ADC_IntGet (ADC_TypeDef *adc)
	Get pending ADC interrupt flags. More...
__STATIC_INLINE uint32_t	ADC_IntGetEnabled (ADC_TypeDef *adc)
	Get enabled and pending ADC interrupt flags. Useful for handling more interrupt sources in the same interrupt handler. More...
__STATIC_INLINE void	ADC_IntSet (ADC_TypeDef *adc, uint32_t flags)
	Set one or more pending ADC interrupts from SW. More...
uint8_t	ADC_PrescaleCalc (uint32_t adcFreq, uint32_t hfperFreq)
	Calculate prescaler value used to determine ADC clock. More...
void	ADC_Reset (ADC_TypeDef *adc)
	Reset ADC to same state as after a HW reset. More...
__STATIC_INLINE void	ADC_Start (ADC_TypeDef *adc, ADC_Start_TypeDef cmd)
	Start scan sequence and/or single conversion. More...
uint8_t	ADC_TimebaseCalc (uint32_t hfperFreq)
	Calculate timebase value in order to get a timebase providing at least 1us. More...