IADC - Incremental ADC#

Incremental Analog to Digital Converter (IADC) Peripheral API.

This module contains functions to control the IADC peripheral of Silicon Labs 32-bit MCUs and SoCs. The IADC is used to convert analog signals into a digital representation.

Modules#

IADC_Init_t

IADC_Config_t

IADC_AllConfigs_t

IADC_InitScan_t

IADC_InitSingle_t

IADC_SingleInput_t

IADC_ScanTableEntry_t

IADC_ScanTable_t

IADC_Result_t

Enumerations#

enum
iadcWarmupNormal = _IADC_CTRL_WARMUPMODE_NORMAL
iadcWarmupKeepInStandby = _IADC_CTRL_WARMUPMODE_KEEPINSTANDBY
iadcWarmupKeepWarm = _IADC_CTRL_WARMUPMODE_KEEPWARM
}

Warm-up mode.

enum
iadcAlignRight12 = _IADC_SCANFIFOCFG_ALIGNMENT_RIGHT12
iadcAlignLeft12 = _IADC_SCANFIFOCFG_ALIGNMENT_LEFT12
iadcAlignRight16 = _IADC_SCANFIFOCFG_ALIGNMENT_RIGHT16
iadcAlignLeft16 = _IADC_SCANFIFOCFG_ALIGNMENT_LEFT16
iadcAlignRight20 = _IADC_SCANFIFOCFG_ALIGNMENT_RIGHT20
iadcAlignLeft20 = _IADC_SCANFIFOCFG_ALIGNMENT_LEFT20
}

IADC result alignment.

enum
iadcNegInputGnd = (_IADC_SCAN_PORTNEG_GND << (_IADC_SCAN_PORTNEG_SHIFT - _IADC_SCAN_PINNEG_SHIFT)) | 1
iadcNegInputGndaux = (_IADC_SCAN_PORTNEG_GND << (_IADC_SCAN_PORTNEG_SHIFT - _IADC_SCAN_PINNEG_SHIFT))
iadcNegInputDac1 = (_IADC_SCAN_PORTNEG_DAC1 << (_IADC_SCAN_PORTNEG_SHIFT - _IADC_SCAN_PINNEG_SHIFT))
iadcNegInputPadAna1 = (_IADC_SCAN_PORTNEG_PADANA1 << (_IADC_SCAN_PORTNEG_SHIFT - _IADC_SCAN_PINNEG_SHIFT))
iadcNegInputPadAna3 = (_IADC_SCAN_PORTNEG_PADANA3 << (_IADC_SCAN_PORTNEG_SHIFT - _IADC_SCAN_PINNEG_SHIFT))
iadcNegInputPortAPin0 = (_IADC_SCAN_PORTNEG_PORTA << (_IADC_SCAN_PORTNEG_SHIFT - _IADC_SCAN_PINNEG_SHIFT))
iadcNegInputPortAPin1
iadcNegInputPortAPin2
iadcNegInputPortAPin3
iadcNegInputPortAPin4
iadcNegInputPortAPin5
iadcNegInputPortAPin6
iadcNegInputPortAPin7
iadcNegInputPortAPin8
iadcNegInputPortAPin9
iadcNegInputPortAPin10
iadcNegInputPortAPin11
iadcNegInputPortAPin12
iadcNegInputPortAPin13
iadcNegInputPortAPin14
iadcNegInputPortAPin15
iadcNegInputPortBPin0
iadcNegInputPortBPin1
iadcNegInputPortBPin2
iadcNegInputPortBPin3
iadcNegInputPortBPin4
iadcNegInputPortBPin5
iadcNegInputPortBPin6
iadcNegInputPortBPin7
iadcNegInputPortBPin8
iadcNegInputPortBPin9
iadcNegInputPortBPin10
iadcNegInputPortBPin11
iadcNegInputPortBPin12
iadcNegInputPortBPin13
iadcNegInputPortBPin14
iadcNegInputPortBPin15
iadcNegInputPortCPin0
iadcNegInputPortCPin1
iadcNegInputPortCPin2
iadcNegInputPortCPin3
iadcNegInputPortCPin4
iadcNegInputPortCPin5
iadcNegInputPortCPin6
iadcNegInputPortCPin7
iadcNegInputPortCPin8
iadcNegInputPortCPin9
iadcNegInputPortCPin10
iadcNegInputPortCPin11
iadcNegInputPortCPin12
iadcNegInputPortCPin13
iadcNegInputPortCPin14
iadcNegInputPortCPin15
iadcNegInputPortDPin0
iadcNegInputPortDPin1
iadcNegInputPortDPin2
iadcNegInputPortDPin3
iadcNegInputPortDPin4
iadcNegInputPortDPin5
iadcNegInputPortDPin6
iadcNegInputPortDPin7
iadcNegInputPortDPin8
iadcNegInputPortDPin9
iadcNegInputPortDPin10
iadcNegInputPortDPin11
iadcNegInputPortDPin12
iadcNegInputPortDPin13
iadcNegInputPortDPin14
iadcNegInputPortDPin15
}

IADC negative input selection.

enum
iadcPosInputGnd = (_IADC_SCAN_PORTPOS_GND << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT))
iadcPosInputAvdd = (_IADC_SCAN_PORTPOS_SUPPLY << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT)) | 0
iadcPosInputVddio = (_IADC_SCAN_PORTPOS_SUPPLY << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT)) | 1
iadcPosInputVss = (_IADC_SCAN_PORTPOS_SUPPLY << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT)) | 2
iadcPosInputVssaux = (_IADC_SCAN_PORTPOS_SUPPLY << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT)) | 3
iadcPosInputDvdd = (_IADC_SCAN_PORTPOS_SUPPLY << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT)) | 4
iadcPosInputDecouple = (_IADC_SCAN_PORTPOS_SUPPLY << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT)) | 7
iadcPosInputDac0 = (_IADC_SCAN_PORTPOS_DAC0 << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT))
iadcPosInputPadAna0 = (_IADC_SCAN_PORTPOS_PADANA0 << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT))
iadcPosInputPadAna2 = (_IADC_SCAN_PORTPOS_PADANA2 << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT))
iadcPosInputPortAPin0 = (_IADC_SCAN_PORTPOS_PORTA << (_IADC_SCAN_PORTPOS_SHIFT - _IADC_SCAN_PINPOS_SHIFT))
iadcPosInputPortAPin1
iadcPosInputPortAPin2
iadcPosInputPortAPin3
iadcPosInputPortAPin4
iadcPosInputPortAPin5
iadcPosInputPortAPin6
iadcPosInputPortAPin7
iadcPosInputPortAPin8
iadcPosInputPortAPin9
iadcPosInputPortAPin10
iadcPosInputPortAPin11
iadcPosInputPortAPin12
iadcPosInputPortAPin13
iadcPosInputPortAPin14
iadcPosInputPortAPin15
iadcPosInputPortBPin0
iadcPosInputPortBPin1
iadcPosInputPortBPin2
iadcPosInputPortBPin3
iadcPosInputPortBPin4
iadcPosInputPortBPin5
iadcPosInputPortBPin6
iadcPosInputPortBPin7
iadcPosInputPortBPin8
iadcPosInputPortBPin9
iadcPosInputPortBPin10
iadcPosInputPortBPin11
iadcPosInputPortBPin12
iadcPosInputPortBPin13
iadcPosInputPortBPin14
iadcPosInputPortBPin15
iadcPosInputPortCPin0
iadcPosInputPortCPin1
iadcPosInputPortCPin2
iadcPosInputPortCPin3
iadcPosInputPortCPin4
iadcPosInputPortCPin5
iadcPosInputPortCPin6
iadcPosInputPortCPin7
iadcPosInputPortCPin8
iadcPosInputPortCPin9
iadcPosInputPortCPin10
iadcPosInputPortCPin11
iadcPosInputPortCPin12
iadcPosInputPortCPin13
iadcPosInputPortCPin14
iadcPosInputPortCPin15
iadcPosInputPortDPin0
iadcPosInputPortDPin1
iadcPosInputPortDPin2
iadcPosInputPortDPin3
iadcPosInputPortDPin4
iadcPosInputPortDPin5
iadcPosInputPortDPin6
iadcPosInputPortDPin7
iadcPosInputPortDPin8
iadcPosInputPortDPin9
iadcPosInputPortDPin10
iadcPosInputPortDPin11
iadcPosInputPortDPin12
iadcPosInputPortDPin13
iadcPosInputPortDPin14
iadcPosInputPortDPin15
}

IADC positive port selection.

enum
iadcCmdStartSingle = IADC_CMD_SINGLESTART
iadcCmdStopSingle = IADC_CMD_SINGLESTOP
iadcCmdStartScan = IADC_CMD_SCANSTART
iadcCmdStopScan = IADC_CMD_SCANSTOP
iadcCmdEnableTimer = IADC_CMD_TIMEREN
iadcCmdDisableTimer = IADC_CMD_TIMERDIS
}

IADC Commands.

enum
iadcCfgModeNormal = _IADC_CFG_ADCMODE_NORMAL
iadcCfgModeHighSpeed = _IADC_CFG_ADCMODE_HIGHSPEED
iadcCfgModeHighAccuracy = _IADC_CFG_ADCMODE_HIGHACCURACY
}

IADC Configuration.

enum
iadcCfgOsrHighSpeed2x = _IADC_CFG_OSRHS_HISPD2
iadcCfgOsrHighSpeed4x = _IADC_CFG_OSRHS_HISPD4
iadcCfgOsrHighSpeed8x = _IADC_CFG_OSRHS_HISPD8
iadcCfgOsrHighSpeed16x = _IADC_CFG_OSRHS_HISPD16
iadcCfgOsrHighSpeed32x = _IADC_CFG_OSRHS_HISPD32
iadcCfgOsrHighSpeed64x = _IADC_CFG_OSRHS_HISPD64
}

IADC Over sampling rate for high speed.

enum
iadcCfgOsrHighAccuracy16x = _IADC_CFG_OSRHA_HIACC16
iadcCfgOsrHighAccuracy32x = _IADC_CFG_OSRHA_HIACC32
iadcCfgOsrHighAccuracy64x = _IADC_CFG_OSRHA_HIACC64
iadcCfgOsrHighAccuracy92x = _IADC_CFG_OSRHA_HIACC92
iadcCfgOsrHighAccuracy128x = _IADC_CFG_OSRHA_HIACC128
iadcCfgOsrHighAccuracy256x = _IADC_CFG_OSRHA_HIACC256
}

IADC Over sampling rate for high accuracy.

enum
iadcCfgAnalogGain0P5x = _IADC_CFG_ANALOGGAIN_ANAGAIN0P5
iadcCfgAnalogGain1x = _IADC_CFG_ANALOGGAIN_ANAGAIN1
iadcCfgAnalogGain2x = _IADC_CFG_ANALOGGAIN_ANAGAIN2
iadcCfgAnalogGain3x = _IADC_CFG_ANALOGGAIN_ANAGAIN3
iadcCfgAnalogGain4x = _IADC_CFG_ANALOGGAIN_ANAGAIN4
}

IADC Analog Gain.

enum
iadcCfgReferenceInt1V2 = _IADC_CFG_REFSEL_VBGR
iadcCfgReferenceExt1V25 = _IADC_CFG_REFSEL_VREF
iadcCfgReferenceExt2V5 = _IADC_CFG_REFSEL_VREF2P5
iadcCfgReferenceVddx = _IADC_CFG_REFSEL_VDDX
iadcCfgReferenceVddX0P8Buf = _IADC_CFG_REFSEL_VDDX0P8BUF
}

IADC Reference.

enum
iadcCfgTwosCompAuto = _IADC_CFG_TWOSCOMPL_AUTO
iadcCfgTwosCompUnipolar = _IADC_CFG_TWOSCOMPL_FORCEUNIPOLAR
iadcCfgTwosCompBipolar = _IADC_CFG_TWOSCOMPL_FORCEBIPOLAR
}

IADC Two's complement results.

enum
iadcTriggerSelImmediate = _IADC_TRIGGER_SCANTRIGSEL_IMMEDIATE
iadcTriggerSelTimer = _IADC_TRIGGER_SCANTRIGSEL_TIMER
iadcTriggerSelPrs0SameClk = _IADC_TRIGGER_SCANTRIGSEL_PRSCLKGRP
iadcTriggerSelPrs0PosEdge = _IADC_TRIGGER_SCANTRIGSEL_PRSPOS
iadcTriggerSelPrs0NegEdge = _IADC_TRIGGER_SCANTRIGSEL_PRSNEG
}

IADC trigger action.

enum
iadcTriggerActionOnce = _IADC_TRIGGER_SCANTRIGACTION_ONCE
iadcTriggerActionContinuous = _IADC_TRIGGER_SCANTRIGACTION_CONTINUOUS
}

IADC trigger action.

enum
iadcFifoCfgDvl1 = _IADC_SCANFIFOCFG_DVL_VALID1
iadcFifoCfgDvl2 = _IADC_SCANFIFOCFG_DVL_VALID2
iadcFifoCfgDvl3 = _IADC_SCANFIFOCFG_DVL_VALID3
iadcFifoCfgDvl4 = _IADC_SCANFIFOCFG_DVL_VALID4
iadcFifoCfgDvl5 = _IADC_SCANFIFOCFG_DVL_VALID5
iadcFifoCfgDvl6 = _IADC_SCANFIFOCFG_DVL_VALID6
iadcFifoCfgDvl7 = _IADC_SCANFIFOCFG_DVL_VALID7
iadcFifoCfgDvl8 = _IADC_SCANFIFOCFG_DVL_VALID8
}

IADC data valid level before requesting DMA transfer.

enum
iadcDigitalAverage1 = _IADC_CFG_DIGAVG_AVG1
iadcDigitalAverage2 = _IADC_CFG_DIGAVG_AVG2
iadcDigitalAverage4 = _IADC_CFG_DIGAVG_AVG4
iadcDigitalAverage8 = _IADC_CFG_DIGAVG_AVG8
iadcDigitalAverage16 = _IADC_CFG_DIGAVG_AVG16
}

IADC digital averaging function.

Functions#

void
IADC_init(IADC_TypeDef *iadc, const IADC_Init_t *init, const IADC_AllConfigs_t *allConfigs)

Initialize IADC.

void
IADC_reset(IADC_TypeDef *iadc)

Reset IADC to same state as after a HW reset.

void
IADC_initScan(IADC_TypeDef *iadc, const IADC_InitScan_t *init, const IADC_ScanTable_t *scanTable)

Initialize IADC scan sequence.

void
IADC_updateScanEntry(IADC_TypeDef *iadc, uint8_t id, IADC_ScanTableEntry_t *entry)

Add/update entry in scan table.

void
IADC_setScanMask(IADC_TypeDef *iadc, uint32_t mask)

Set mask of IADC scan table entries to include in scan.

void
IADC_initSingle(IADC_TypeDef *iadc, const IADC_InitSingle_t *init, const IADC_SingleInput_t *input)

Initialize single IADC conversion.

void
IADC_updateSingleInput(IADC_TypeDef *iadc, const IADC_SingleInput_t *input)

Update IADC single input selection.

uint8_t
IADC_calcSrcClkPrescale(IADC_TypeDef *iadc, uint32_t srcClkFreq, uint32_t cmuClkFreq)

Calculate prescaler for CLK_SRC_ADC high speed clock.

uint32_t
IADC_calcAdcClkPrescale(IADC_TypeDef *iadc, uint32_t adcClkFreq, uint32_t cmuClkFreq, IADC_CfgAdcMode_t adcMode, uint8_t srcClkPrescaler)

Calculate prescaler for ADC_CLK clock.

uint8_t
IADC_calcTimebase(IADC_TypeDef *iadc, uint32_t srcClkFreq)

Calculate timebase value in order to get a timebase providing at least 1us.

IADC_readSingleResult(IADC_TypeDef *iadc)

Read most recent single conversion result.

IADC_pullSingleFifoResult(IADC_TypeDef *iadc)

Pull result from single data FIFO.

IADC_readScanResult(IADC_TypeDef *iadc)

Read most recent scan conversion result.

IADC_pullScanFifoResult(IADC_TypeDef *iadc)

Pull result from scan data FIFO.

uint32_t
IADC_getReferenceVoltage(IADC_CfgReference_t reference)

Get reference voltage selection.

uint32_t
IADC_pullSingleFifoData(IADC_TypeDef *iadc)

Pull data from single data FIFO.

uint32_t
IADC_readSingleData(IADC_TypeDef *iadc)

Read most recent single conversion data.

uint32_t
IADC_pullScanFifoData(IADC_TypeDef *iadc)

Pull data from scan data FIFO.

uint32_t
IADC_readScanData(IADC_TypeDef *iadc)

Read most recent scan conversion data.

void
IADC_clearInt(IADC_TypeDef *iadc, uint32_t flags)

Clear one or more pending IADC interrupts.

void
IADC_disableInt(IADC_TypeDef *iadc, uint32_t flags)

Disable one or more IADC interrupts.

void
IADC_enableInt(IADC_TypeDef *iadc, uint32_t flags)

Enable one or more IADC interrupts.

uint32_t
IADC_getInt(IADC_TypeDef *iadc)

Get pending IADC interrupt flags.

uint32_t
IADC_getEnabledInt(IADC_TypeDef *iadc)

Get enabled and pending IADC interrupt flags.

void
IADC_setInt(IADC_TypeDef *iadc, uint32_t flags)

Set one or more pending IADC interrupts from SW.

void
IADC_command(IADC_TypeDef *iadc, IADC_Cmd_t cmd)

Start/stop scan sequence, single conversion and/or timer.

uint32_t
IADC_getScanMask(IADC_TypeDef *iadc)

Get the scan mask currently used in the IADC.

uint32_t
IADC_getStatus(IADC_TypeDef *iadc)

Get status bits of IADC.

uint8_t
IADC_getSingleFifoCnt(IADC_TypeDef *iadc)

Get the number of elements in the IADC single FIFO.

uint8_t
IADC_getScanFifoCnt(IADC_TypeDef *iadc)

Get the number of elements in the IADC scan FIFO.

IADC_portPinToNegInput(GPIO_Port_TypeDef port, uint8_t pin)

Convert the GPIO port/pin to IADC negative input selection.

IADC_portPinToPosInput(GPIO_Port_TypeDef port, uint8_t pin)

Convert the GPIO port/pin to IADC positive input selection.

Macros#

#define

Default config for IADC init structure.

#define

Default IADC config structure.

#define

Default IADC sructure for all configs.

#define

Default config for IADC scan init structure.

#define

Default config for IADC single init structure.

#define

Default config for IADC single input structure.

#define

Default config for IADC scan table entry structure.

#define

Default IADC structure for scan table.

Enumeration Documentation#

IADC_Warmup_t#

IADC_Warmup_t

Warm-up mode.

Enumerator
iadcWarmupNormal

IADC shutdown after each conversion.

iadcWarmupKeepInStandby

ADC is kept in standby mode between conversion.

iadcWarmupKeepWarm

ADC and reference selected for scan mode kept warmup, allowing continuous conversion.


Definition at line 55 of file platform/emlib/inc/em_iadc.h

IADC_Alignment_t#

IADC_Alignment_t

IADC result alignment.

Enumerator
iadcAlignRight12

IADC results 12-bit right aligned

iadcAlignLeft12

IADC results 12-bit left aligned

iadcAlignRight16

IADC results 16-bit right aligned

iadcAlignLeft16

IADC results 16-bit left aligned

iadcAlignRight20

IADC results 20-bit right aligned

iadcAlignLeft20

IADC results 20-bit left aligned


Definition at line 68 of file platform/emlib/inc/em_iadc.h

IADC_NegInput_t#

IADC_NegInput_t

IADC negative input selection.

Enumerator
iadcNegInputGnd

Ground

iadcNegInputGndaux

Ground using even mux.

iadcNegInputDac1

Direct connection to DAC_1 input pin.

iadcNegInputPadAna1

Direct connection to Pad_ana_1 input pin.

iadcNegInputPadAna3

Direct connection to Pad_ana_3 input pin.

iadcNegInputPortAPin0

GPIO port A pin 0.

iadcNegInputPortAPin1

GPIO port A pin 1.

iadcNegInputPortAPin2

GPIO port A pin 2.

iadcNegInputPortAPin3

GPIO port A pin 3.

iadcNegInputPortAPin4

GPIO port A pin 4.

iadcNegInputPortAPin5

GPIO port A pin 5.

iadcNegInputPortAPin6

GPIO port A pin 6.

iadcNegInputPortAPin7

GPIO port A pin 7.

iadcNegInputPortAPin8

GPIO port A pin 8.

iadcNegInputPortAPin9

GPIO port A pin 9.

iadcNegInputPortAPin10

GPIO port A pin 10.

iadcNegInputPortAPin11

GPIO port A pin 11.

iadcNegInputPortAPin12

GPIO port A pin 12.

iadcNegInputPortAPin13

GPIO port A pin 13.

iadcNegInputPortAPin14

GPIO port A pin 14.

iadcNegInputPortAPin15

GPIO port A pin 15.

iadcNegInputPortBPin0

GPIO port B pin 0.

iadcNegInputPortBPin1

GPIO port B pin 1.

iadcNegInputPortBPin2

GPIO port B pin 2.

iadcNegInputPortBPin3

GPIO port B pin 3.

iadcNegInputPortBPin4

GPIO port B pin 4.

iadcNegInputPortBPin5

GPIO port B pin 5.

iadcNegInputPortBPin6

GPIO port B pin 6.

iadcNegInputPortBPin7

GPIO port B pin 7.

iadcNegInputPortBPin8

GPIO port B pin 8.

iadcNegInputPortBPin9

GPIO port B pin 9.

iadcNegInputPortBPin10

GPIO port B pin 10.

iadcNegInputPortBPin11

GPIO port B pin 11.

iadcNegInputPortBPin12

GPIO port B pin 12.

iadcNegInputPortBPin13

GPIO port B pin 13.

iadcNegInputPortBPin14

GPIO port B pin 14.

iadcNegInputPortBPin15

GPIO port B pin 15.

iadcNegInputPortCPin0

GPIO port C pin 0.

iadcNegInputPortCPin1

GPIO port C pin 1.

iadcNegInputPortCPin2

GPIO port C pin 2.

iadcNegInputPortCPin3

GPIO port C pin 3.

iadcNegInputPortCPin4

GPIO port C pin 4.

iadcNegInputPortCPin5

GPIO port C pin 5.

iadcNegInputPortCPin6

GPIO port C pin 6.

iadcNegInputPortCPin7

GPIO port C pin 7.

iadcNegInputPortCPin8

GPIO port C pin 8.

iadcNegInputPortCPin9

GPIO port C pin 9.

iadcNegInputPortCPin10

GPIO port C pin 10.

iadcNegInputPortCPin11

GPIO port C pin 11.

iadcNegInputPortCPin12

GPIO port C pin 12.

iadcNegInputPortCPin13

GPIO port C pin 13.

iadcNegInputPortCPin14

GPIO port C pin 14.

iadcNegInputPortCPin15

GPIO port C pin 15.

iadcNegInputPortDPin0

GPIO port D pin 0.

iadcNegInputPortDPin1

GPIO port D pin 1.

iadcNegInputPortDPin2

GPIO port D pin 2.

iadcNegInputPortDPin3

GPIO port D pin 3.

iadcNegInputPortDPin4

GPIO port D pin 4.

iadcNegInputPortDPin5

GPIO port D pin 5.

iadcNegInputPortDPin6

GPIO port D pin 6.

iadcNegInputPortDPin7

GPIO port D pin 7.

iadcNegInputPortDPin8

GPIO port D pin 8.

iadcNegInputPortDPin9

GPIO port D pin 9.

iadcNegInputPortDPin10

GPIO port D pin 10.

iadcNegInputPortDPin11

GPIO port D pin 11.

iadcNegInputPortDPin12

GPIO port D pin 12.

iadcNegInputPortDPin13

GPIO port D pin 13.

iadcNegInputPortDPin14

GPIO port D pin 14.

iadcNegInputPortDPin15

GPIO port D pin 15.


Definition at line 93 of file platform/emlib/inc/em_iadc.h

IADC_PosInput_t#

IADC_PosInput_t

IADC positive port selection.

Enumerator
iadcPosInputGnd

Ground

iadcPosInputAvdd

Avdd / 4

iadcPosInputVddio

Vddio / 4

iadcPosInputVss

Vss

iadcPosInputVssaux

Vss

iadcPosInputDvdd

Dvdd / 4

iadcPosInputDecouple

Decouple

iadcPosInputDac0

Direct connection to DAC_0 input pin.

iadcPosInputPadAna0

Direct connection to Pad_ana_0 input pin.

iadcPosInputPadAna2

Direct connection to Pad_ana_2 input pin.

iadcPosInputPortAPin0

GPIO port A pin 0.

iadcPosInputPortAPin1

GPIO port A pin 1.

iadcPosInputPortAPin2

GPIO port A pin 2.

iadcPosInputPortAPin3

GPIO port A pin 3.

iadcPosInputPortAPin4

GPIO port A pin 4.

iadcPosInputPortAPin5

GPIO port A pin 5.

iadcPosInputPortAPin6

GPIO port A pin 6.

iadcPosInputPortAPin7

GPIO port A pin 7.

iadcPosInputPortAPin8

GPIO port A pin 8.

iadcPosInputPortAPin9

GPIO port A pin 9.

iadcPosInputPortAPin10

GPIO port A pin 10.

iadcPosInputPortAPin11

GPIO port A pin 11.

iadcPosInputPortAPin12

GPIO port A pin 12.

iadcPosInputPortAPin13

GPIO port A pin 13.

iadcPosInputPortAPin14

GPIO port A pin 14.

iadcPosInputPortAPin15

GPIO port A pin 15.

iadcPosInputPortBPin0

GPIO port B pin 0.

iadcPosInputPortBPin1

GPIO port B pin 1.

iadcPosInputPortBPin2

GPIO port B pin 2.

iadcPosInputPortBPin3

GPIO port B pin 3.

iadcPosInputPortBPin4

GPIO port B pin 4.

iadcPosInputPortBPin5

GPIO port B pin 5.

iadcPosInputPortBPin6

GPIO port B pin 6.

iadcPosInputPortBPin7

GPIO port B pin 7.

iadcPosInputPortBPin8

GPIO port B pin 8.

iadcPosInputPortBPin9

GPIO port B pin 9.

iadcPosInputPortBPin10

GPIO port B pin 10.

iadcPosInputPortBPin11

GPIO port B pin 11.

iadcPosInputPortBPin12

GPIO port B pin 12.

iadcPosInputPortBPin13

GPIO port B pin 13.

iadcPosInputPortBPin14

GPIO port B pin 14.

iadcPosInputPortBPin15

GPIO port B pin 15.

iadcPosInputPortCPin0

GPIO port C pin 0.

iadcPosInputPortCPin1

GPIO port C pin 1.

iadcPosInputPortCPin2

GPIO port C pin 2.

iadcPosInputPortCPin3

GPIO port C pin 3.

iadcPosInputPortCPin4

GPIO port C pin 4.

iadcPosInputPortCPin5

GPIO port C pin 5.

iadcPosInputPortCPin6

GPIO port C pin 6.

iadcPosInputPortCPin7

GPIO port C pin 7.

iadcPosInputPortCPin8

GPIO port C pin 8.

iadcPosInputPortCPin9

GPIO port C pin 9.

iadcPosInputPortCPin10

GPIO port C pin 10.

iadcPosInputPortCPin11

GPIO port C pin 11.

iadcPosInputPortCPin12

GPIO port C pin 12.

iadcPosInputPortCPin13

GPIO port C pin 13.

iadcPosInputPortCPin14

GPIO port C pin 14.

iadcPosInputPortCPin15

GPIO port C pin 15.

iadcPosInputPortDPin0

GPIO port D pin 0.

iadcPosInputPortDPin1

GPIO port D pin 1.

iadcPosInputPortDPin2

GPIO port D pin 2.

iadcPosInputPortDPin3

GPIO port D pin 3.

iadcPosInputPortDPin4

GPIO port D pin 4.

iadcPosInputPortDPin5

GPIO port D pin 5.

iadcPosInputPortDPin6

GPIO port D pin 6.

iadcPosInputPortDPin7

GPIO port D pin 7.

iadcPosInputPortDPin8

GPIO port D pin 8.

iadcPosInputPortDPin9

GPIO port D pin 9.

iadcPosInputPortDPin10

GPIO port D pin 10.

iadcPosInputPortDPin11

GPIO port D pin 11.

iadcPosInputPortDPin12

GPIO port D pin 12.

iadcPosInputPortDPin13

GPIO port D pin 13.

iadcPosInputPortDPin14

GPIO port D pin 14.

iadcPosInputPortDPin15

GPIO port D pin 15.


Definition at line 310 of file platform/emlib/inc/em_iadc.h

IADC_Cmd_t#

IADC_Cmd_t

IADC Commands.

Enumerator
iadcCmdStartSingle

Start single queue

iadcCmdStopSingle

Stop single queue

iadcCmdStartScan

Start scan queue

iadcCmdStopScan

Stop scan queue

iadcCmdEnableTimer

Enable Timer

iadcCmdDisableTimer

Disable Timer


Definition at line 559 of file platform/emlib/inc/em_iadc.h

IADC_CfgAdcMode_t#

IADC_CfgAdcMode_t

IADC Configuration.

Enumerator
iadcCfgModeNormal

Normal mode

iadcCfgModeHighSpeed

High Speed mode

iadcCfgModeHighAccuracy

High Accuracy mode


Definition at line 580 of file platform/emlib/inc/em_iadc.h

IADC_CfgOsrHighSpeed_t#

IADC_CfgOsrHighSpeed_t

IADC Over sampling rate for high speed.

Enumerator
iadcCfgOsrHighSpeed2x

High speed oversampling of 2x.

iadcCfgOsrHighSpeed4x

High speed oversampling of 4x.

iadcCfgOsrHighSpeed8x

High speed oversampling of 8x.

iadcCfgOsrHighSpeed16x

High speed oversampling of 16x.

iadcCfgOsrHighSpeed32x

High speed oversampling of 32x.

iadcCfgOsrHighSpeed64x

High speed oversampling of 64x.


Definition at line 594 of file platform/emlib/inc/em_iadc.h

IADC_CfgOsrHighAccuracy_t#

IADC_CfgOsrHighAccuracy_t

IADC Over sampling rate for high accuracy.

Enumerator
iadcCfgOsrHighAccuracy16x

High accuracy oversampling of 16x.

iadcCfgOsrHighAccuracy32x

High accuracy oversampling of 32x.

iadcCfgOsrHighAccuracy64x

High accuracy oversampling of 64x.

iadcCfgOsrHighAccuracy92x

High accuracy oversampling of 92x.

iadcCfgOsrHighAccuracy128x

High accuracy oversampling of 128x.

iadcCfgOsrHighAccuracy256x

High accuracy oversampling of 256x.


Definition at line 616 of file platform/emlib/inc/em_iadc.h

IADC_CfgAnalogGain_t#

IADC_CfgAnalogGain_t

IADC Analog Gain.

Enumerator
iadcCfgAnalogGain0P5x

Analog gain of 0.5x.

iadcCfgAnalogGain1x

Analog gain of 1x.

iadcCfgAnalogGain2x

Analog gain of 2x.

iadcCfgAnalogGain3x

Analog gain of 3x.

iadcCfgAnalogGain4x

Analog gain of 4x.


Definition at line 638 of file platform/emlib/inc/em_iadc.h

IADC_CfgReference_t#

IADC_CfgReference_t

IADC Reference.

Enumerator
iadcCfgReferenceInt1V2

Internal 1.2V Band Gap Reference (buffered) to ground.

iadcCfgReferenceExt1V25

External reference (unbuffered) VREFP to VREFN.

iadcCfgReferenceExt2V5

External reference (unbuffered) VREFP to VREFN.

iadcCfgReferenceVddx

VDDX (unbuffered) to ground.

iadcCfgReferenceVddX0P8Buf

0.8 * VDDX (buffered) to ground.


Definition at line 660 of file platform/emlib/inc/em_iadc.h

IADC_CfgTwosComp_t#

IADC_CfgTwosComp_t

IADC Two's complement results.

Enumerator
iadcCfgTwosCompAuto

Automatic.

iadcCfgTwosCompUnipolar

All results in unipolar format.

iadcCfgTwosCompBipolar

All results in bipolar (2's complement) format.


Definition at line 696 of file platform/emlib/inc/em_iadc.h

IADC_TriggerSel_t#

IADC_TriggerSel_t

IADC trigger action.

Enumerator
iadcTriggerSelImmediate

Start single/scan queue immediately.

iadcTriggerSelTimer

Timer starts single/scan queue.

iadcTriggerSelPrs0SameClk

PRS0 from timer in same clock group starts single/scan queue

iadcTriggerSelPrs0PosEdge

PRS0 positive edge starts single/scan queue

iadcTriggerSelPrs0NegEdge

PRS0 negative edge starts single/scan queue


Definition at line 708 of file platform/emlib/inc/em_iadc.h

IADC_TriggerAction_t#

IADC_TriggerAction_t

IADC trigger action.

Enumerator
iadcTriggerActionOnce

Convert single/scan queue once per trigger

iadcTriggerActionContinuous

Convert single/scan queue continuously


Definition at line 731 of file platform/emlib/inc/em_iadc.h

IADC_FifoCfgDvl_t#

IADC_FifoCfgDvl_t

IADC data valid level before requesting DMA transfer.

Enumerator
iadcFifoCfgDvl1

Data valid level is 1 before requesting DMA transfer.

iadcFifoCfgDvl2

Data valid level is 2 before requesting DMA transfer.

iadcFifoCfgDvl3

Data valid level is 3 before requesting DMA transfer.

iadcFifoCfgDvl4

Data valid level is 4 before requesting DMA transfer.

iadcFifoCfgDvl5

Data valid level is 5 before requesting DMA transfer.

iadcFifoCfgDvl6

Data valid level is 6 before requesting DMA transfer.

iadcFifoCfgDvl7

Data valid level is 7 before requesting DMA transfer.

iadcFifoCfgDvl8

Data valid level is 8 before requesting DMA transfer.


Definition at line 740 of file platform/emlib/inc/em_iadc.h

IADC_DigitalAveraging_t#

IADC_DigitalAveraging_t

IADC digital averaging function.

Enumerator
iadcDigitalAverage1

Average over 1 sample (no averaging).

iadcDigitalAverage2

Average over 2 samples.

iadcDigitalAverage4

Average over 4 samples.

iadcDigitalAverage8

Average over 8 samples.

iadcDigitalAverage16

Average over 16 samples.


Definition at line 774 of file platform/emlib/inc/em_iadc.h

Function Documentation#

IADC_init#

void IADC_init (IADC_TypeDef * iadc, const IADC_Init_t * init, const IADC_AllConfigs_t * allConfigs)

Initialize IADC.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]init

Pointer to IADC initialization structure.

[in]allConfigs

Pointer to structure holding all configs.

Initializes common parts for both single conversion and scan sequence. In addition, single and/or scan control configuration must be done, please refer to IADC_initSingle() and IADC_initScan() respectively.

Note

  • This function will stop any ongoing conversions.


Definition at line 213 of file platform/emlib/src/em_iadc.c

IADC_reset#

void IADC_reset (IADC_TypeDef * iadc)

Reset IADC to same state as after a HW reset.

Parameters
[in]iadc

Pointer to IADC peripheral register block.


Definition at line 790 of file platform/emlib/src/em_iadc.c

IADC_initScan#

void IADC_initScan (IADC_TypeDef * iadc, const IADC_InitScan_t * init, const IADC_ScanTable_t * scanTable)

Initialize IADC scan sequence.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]init

Pointer to IADC initialization structure.

[in]scanTable

Pointer to IADC scan table structure.

This function will configure scan mode and set up entries in the scan table. The scan table mask can be updated by calling IADC_updateScanMask.

Note

  • This function will stop any ongoing conversions.

  • If an even numbered pin is selected for the positive input, the negative input must use an odd numbered pin and vice versa.


Definition at line 529 of file platform/emlib/src/em_iadc.c

IADC_updateScanEntry#

void IADC_updateScanEntry (IADC_TypeDef * iadc, uint8_t id, IADC_ScanTableEntry_t * entry)

Add/update entry in scan table.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]id

ID of scan table entry to add.

[in]entry

Pointer to scan table entry structure.

This function will update or add an entry in the scan table with a specific ID.

Note

  • This function will stop any ongoing conversions.


Definition at line 746 of file platform/emlib/src/em_iadc.c

IADC_setScanMask#

void IADC_setScanMask (IADC_TypeDef * iadc, uint32_t mask)

Set mask of IADC scan table entries to include in scan.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]mask

Mask of scan table entries to include in scan.

Set mask of scan table entries to include in next scan. This function can be called while scan conversions are ongoing, but the new scan mask will take effect once the ongoing scan is completed.


Definition at line 704 of file platform/emlib/src/em_iadc.c

IADC_initSingle#

void IADC_initSingle (IADC_TypeDef * iadc, const IADC_InitSingle_t * init, const IADC_SingleInput_t * input)

Initialize single IADC conversion.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]init

Pointer to IADC single initialization structure.

[in]input

Pointer to IADC single input selection initialization structure.

This function will initialize the single conversion and configure the single input selection.

Note

  • This function will stop any ongoing conversions.

  • If an even numbered pin is selected for the positive input, the negative input must use an odd numbered pin and vice versa.


Definition at line 608 of file platform/emlib/src/em_iadc.c

IADC_updateSingleInput#

void IADC_updateSingleInput (IADC_TypeDef * iadc, const IADC_SingleInput_t * input)

Update IADC single input selection.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]input

Pointer to single input selection structure.

This function updates the single input selection. The function can be called while single and/or scan conversions are ongoing and the new input configuration will take place on the next single conversion.

Note

  • If an even numbered pin is selected for the positive input, the negative input must use an odd numbered pin and vice versa.


Definition at line 663 of file platform/emlib/src/em_iadc.c

IADC_calcSrcClkPrescale#

uint8_t IADC_calcSrcClkPrescale (IADC_TypeDef * iadc, uint32_t srcClkFreq, uint32_t cmuClkFreq)

Calculate prescaler for CLK_SRC_ADC high speed clock.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]srcClkFreq

CLK_SRC_ADC frequency wanted. The frequency will automatically be adjusted to be within valid range according to reference manual.

[in]cmuClkFreq

Frequency in Hz of reference CLK_CMU_ADC. Set to 0 to use currently defined CMU clock setting for the IADC.

The IADC high speed clock is given by: CLK_SRC_ADC / (srcClkPrescaler + 1).

Returns

  • Divider value to use for IADC in order to achieve a high speed clock value <= srcClkFreq.


Definition at line 932 of file platform/emlib/src/em_iadc.c

IADC_calcAdcClkPrescale#

uint32_t IADC_calcAdcClkPrescale (IADC_TypeDef * iadc, uint32_t adcClkFreq, uint32_t cmuClkFreq, IADC_CfgAdcMode_t adcMode, uint8_t srcClkPrescaler)

Calculate prescaler for ADC_CLK clock.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]adcClkFreq

ADC_CLK frequency wanted. The frequency will automatically be adjusted to be within valid range according to reference manual.

[in]cmuClkFreq

Frequency in Hz of CLK_CMU_ADC Set to 0 to use currently defined IADC clock setting (in CMU).

[in]adcMode

Mode for IADC config.

[in]srcClkPrescaler

Precaler setting for ADC_CLK

The ADC_CLK is given by: CLK_SRC_ADC / (adcClkprescale + 1).

Returns

  • Divider value to use for IADC in order to achieve a ADC_CLK frequency <= adcClkFreq.


Definition at line 987 of file platform/emlib/src/em_iadc.c

IADC_calcTimebase#

uint8_t IADC_calcTimebase (IADC_TypeDef * iadc, uint32_t srcClkFreq)

Calculate timebase value in order to get a timebase providing at least 1us.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]srcClkFreq

Frequency in Hz of reference CLK_SRC_ADC clock. Set to 0 to derive srcClkFreq from CLK_CMU_ADC and prescaler HSCLKRATE.

Returns

  • Timebase value to use for IADC in order to achieve at least 1 us.


Definition at line 877 of file platform/emlib/src/em_iadc.c

IADC_readSingleResult#

IADC_Result_t IADC_readSingleResult (IADC_TypeDef * iadc)

Read most recent single conversion result.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

The result struct includes both the data and the ID (0x20) if showId was set when initializing single mode. Calling this function will not affect the state of the single data FIFO.

Note

  • Check data valid flag before calling this function.

Returns

  • Single conversion result struct holding data and id.


Definition at line 1063 of file platform/emlib/src/em_iadc.c

IADC_pullSingleFifoResult#

IADC_Result_t IADC_pullSingleFifoResult (IADC_TypeDef * iadc)

Pull result from single data FIFO.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

The result struct includes both the data and the ID (0x20) if showId was set when initializing single mode.

Note

  • Check data valid flag before calling this function.

Returns

  • Single conversion result struct holding data and id.


Definition at line 1040 of file platform/emlib/src/em_iadc.c

IADC_readScanResult#

IADC_Result_t IADC_readScanResult (IADC_TypeDef * iadc)

Read most recent scan conversion result.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

The result struct includes both the data and the ID (0x20) if showId was set when initializing scan entry. Calling this function will not affect the state of the scan data FIFO.

Note

  • Check data valid flag before calling this function.

Returns

  • Scan conversion result struct holding data and id.


Definition at line 1108 of file platform/emlib/src/em_iadc.c

IADC_pullScanFifoResult#

IADC_Result_t IADC_pullScanFifoResult (IADC_TypeDef * iadc)

Pull result from scan data FIFO.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

The result struct includes both the data and the ID (0x20) if showId was set when initializing scan entry.

Note

  • Check data valid flag before calling this function.

Returns

  • Scan conversion result struct holding data and id.


Definition at line 1085 of file platform/emlib/src/em_iadc.c

IADC_getReferenceVoltage#

uint32_t IADC_getReferenceVoltage (IADC_CfgReference_t reference)

Get reference voltage selection.

Parameters
[in]reference

IADC Reference selection.

Returns

  • IADC reference voltage in millivolts.


Definition at line 1126 of file platform/emlib/src/em_iadc.c

IADC_pullSingleFifoData#

uint32_t IADC_pullSingleFifoData (IADC_TypeDef * iadc)

Pull data from single data FIFO.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

If showId was set when initializing single mode, the results will contain the ID (0x20).

Note

  • Check data valid flag before calling this function.

Returns

  • Single conversion data.


Definition at line 1086 of file platform/emlib/inc/em_iadc.h

IADC_readSingleData#

uint32_t IADC_readSingleData (IADC_TypeDef * iadc)

Read most recent single conversion data.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

If showId was set when initializing single mode, the data will contain the ID (0x20). Calling this function will not affect the state of the single data FIFO.

Note

  • Check data valid flag before calling this function.

Returns

  • Single conversion data.


Definition at line 1106 of file platform/emlib/inc/em_iadc.h

IADC_pullScanFifoData#

uint32_t IADC_pullScanFifoData (IADC_TypeDef * iadc)

Pull data from scan data FIFO.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

If showId was set for the scan entry initialization, the data will contain the ID of the scan entry.

Note

  • Check data valid flag before calling this function.

Returns

  • Scan conversion data.


Definition at line 1125 of file platform/emlib/inc/em_iadc.h

IADC_readScanData#

uint32_t IADC_readScanData (IADC_TypeDef * iadc)

Read most recent scan conversion data.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

If showId was set for the scan entry initialization, the data will contain the ID of the scan entry. Calling this function will not affect the state of the scan data FIFO.

Note

  • Check data valid flag before calling this function.

Returns

  • Scan conversion data.


Definition at line 1145 of file platform/emlib/inc/em_iadc.h

IADC_clearInt#

void IADC_clearInt (IADC_TypeDef * iadc, uint32_t flags)

Clear one or more pending IADC interrupts.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]flags

Pending IADC interrupt source to clear. Use a bitwise logic OR combination of valid interrupt flags for the IADC module (IADC_IF_nnn).


Definition at line 1161 of file platform/emlib/inc/em_iadc.h

IADC_disableInt#

void IADC_disableInt (IADC_TypeDef * iadc, uint32_t flags)

Disable one or more IADC interrupts.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]flags

IADC interrupt sources to disable. Use a bitwise logic OR combination of valid interrupt flags for the IADC module (IADC_IF_nnn).


Definition at line 1177 of file platform/emlib/inc/em_iadc.h

IADC_enableInt#

void IADC_enableInt (IADC_TypeDef * iadc, uint32_t flags)

Enable one or more IADC interrupts.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]flags

IADC interrupt sources to enable. Use a bitwise logic OR combination of valid interrupt flags for the IADC module (IADC_IF_nnn).

Note

  • Depending on the use, a pending interrupt may already be set prior to enabling the interrupt. Consider using IADC_intClear() prior to enabling if such a pending interrupt should be ignored.


Definition at line 1202 of file platform/emlib/inc/em_iadc.h

IADC_getInt#

uint32_t IADC_getInt (IADC_TypeDef * iadc)

Get pending IADC interrupt flags.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

Note

  • The event bits are not cleared by the use of this function.

Returns

  • IADC interrupt sources pending. A bitwise logic OR combination of valid interrupt flags for the IADC module (IADC_IF_nnn).


Definition at line 1221 of file platform/emlib/inc/em_iadc.h

IADC_getEnabledInt#

uint32_t IADC_getEnabledInt (IADC_TypeDef * iadc)

Get enabled and pending IADC interrupt flags.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

Useful for handling more interrupt sources in the same interrupt handler.

Note

  • Interrupt flags are not cleared by the use of this function.

Returns

  • Pending and enabled IADC interrupt sources. The return value is the bitwise AND combination of

    • the OR combination of enabled interrupt sources in IADCx_IEN_nnn register (IADCx_IEN_nnn) and

    • the OR combination of valid interrupt flags of the IADC module (IADCx_IF_nnn).


Definition at line 1245 of file platform/emlib/inc/em_iadc.h

IADC_setInt#

void IADC_setInt (IADC_TypeDef * iadc, uint32_t flags)

Set one or more pending IADC interrupts from SW.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]flags

IADC interrupt sources to set to pending. Use a bitwise logic OR combination of valid interrupt flags for the IADC module (IADC_IF_nnn).


Definition at line 1268 of file platform/emlib/inc/em_iadc.h

IADC_command#

void IADC_command (IADC_TypeDef * iadc, IADC_Cmd_t cmd)

Start/stop scan sequence, single conversion and/or timer.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

[in]cmd

Command to be performed.


Definition at line 1283 of file platform/emlib/inc/em_iadc.h

IADC_getScanMask#

uint32_t IADC_getScanMask (IADC_TypeDef * iadc)

Get the scan mask currently used in the IADC.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

Returns

  • Mask of scan table entries currently included in scan.


Definition at line 1298 of file platform/emlib/inc/em_iadc.h

IADC_getStatus#

uint32_t IADC_getStatus (IADC_TypeDef * iadc)

Get status bits of IADC.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

Returns

  • IADC status bits


Definition at line 1313 of file platform/emlib/inc/em_iadc.h

IADC_getSingleFifoCnt#

uint8_t IADC_getSingleFifoCnt (IADC_TypeDef * iadc)

Get the number of elements in the IADC single FIFO.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

Returns

  • Number of elements in single FIFO


Definition at line 1328 of file platform/emlib/inc/em_iadc.h

IADC_getScanFifoCnt#

uint8_t IADC_getScanFifoCnt (IADC_TypeDef * iadc)

Get the number of elements in the IADC scan FIFO.

Parameters
[in]iadc

Pointer to IADC peripheral register block.

Returns

  • Number of elements in scan FIFO


Definition at line 1344 of file platform/emlib/inc/em_iadc.h

IADC_portPinToNegInput#

IADC_NegInput_t IADC_portPinToNegInput (GPIO_Port_TypeDef port, uint8_t pin)

Convert the GPIO port/pin to IADC negative input selection.

Parameters
[in]port

GPIO port

[in]pin

GPIO in

Returns

  • IADC negative input selection


Definition at line 1363 of file platform/emlib/inc/em_iadc.h

IADC_portPinToPosInput#

IADC_PosInput_t IADC_portPinToPosInput (GPIO_Port_TypeDef port, uint8_t pin)

Convert the GPIO port/pin to IADC positive input selection.

Parameters
[in]port

GPIO port

[in]pin

GPIO in

Returns

  • IADC positive input selection


Definition at line 1384 of file platform/emlib/inc/em_iadc.h

Macro Definition Documentation#

IADC_INIT_DEFAULT#

#define IADC_INIT_DEFAULT
Value:
{ \
false, /* IADC clock not disabled on PRS0*/ \
false, /* IADC clock not disabled on PRS1 */ \
false, /* Do not halt during debug */ \
iadcWarmupNormal, /* IADC shutdown after each conversion. */ \
0, /* Calculate timebase. */ \
0, /* Max IADC clock rate. */ \
_IADC_TIMER_TIMER_DEFAULT, /* Use HW default value. */ \
_IADC_CMPTHR_ADGT_DEFAULT, /* Use HW default value. */ \
_IADC_CMPTHR_ADLT_DEFAULT, /* Use HW default value. */ \
}

Default config for IADC init structure.


Definition at line 815 of file platform/emlib/inc/em_iadc.h

IADC_CONFIG_DEFAULT#

#define IADC_CONFIG_DEFAULT
Value:
{ \
iadcCfgModeNormal, /* Normal mode for IADC. */ \
iadcCfgOsrHighSpeed2x, /* 2x high speed over sampling. */ \
iadcCfgOsrHighAccuracy92x, /* 92x high accuracy over sampling. */ \
iadcCfgAnalogGain1x, /* 1x analog gain. */ \
iadcCfgReferenceInt1V2, /* Internal 1.2V band gap reference. */ \
iadcCfgTwosCompAuto, /* Automatic Two's Complement. */ \
0, /* Max IADC analog clock rate. */ \
1210, /* Vref expressed in millivolts. */ \
iadcDigitalAverage1 /* No averaging. */ \
}

Default IADC config structure.


Definition at line 848 of file platform/emlib/inc/em_iadc.h

IADC_ALLCONFIGS_DEFAULT#

#define IADC_ALLCONFIGS_DEFAULT
Value:
{ \
{ \
IADC_CONFIG_DEFAULT, \
IADC_CONFIG_DEFAULT \
} \
}

Default IADC sructure for all configs.


Definition at line 910 of file platform/emlib/inc/em_iadc.h

IADC_INITSCAN_DEFAULT#

#define IADC_INITSCAN_DEFAULT
Value:
{ \
iadcAlignRight12, /* Results 12-bit right aligned */ \
false, /* Do not show ID in result */ \
iadcFifoCfgDvl4, /* Use HW default value. */ \
false, /* Do not wake up DMA on scan FIFO DVL */ \
iadcTriggerSelImmediate, /* Start scan immediately on trigger */ \
iadcTriggerActionOnce, /* Convert once on scan trigger */ \
false /* Do not start scan queue */ \
}

Default config for IADC scan init structure.


Definition at line 930 of file platform/emlib/inc/em_iadc.h

IADC_INITSINGLE_DEFAULT#

#define IADC_INITSINGLE_DEFAULT
Value:
{ \
iadcAlignRight12, /* Results 12-bit right aligned */ \
false, /* Do not show ID in result */ \
iadcFifoCfgDvl4, /* Use HW default value. */ \
false, /* Do not wake up DMA on single FIFO DVL */ \
iadcTriggerSelImmediate, /* Start single immediately on trigger */ \
iadcTriggerActionOnce, /* Convert once on single trigger */ \
false, /* No tailgating */ \
false /* Do not start single queue */ \
}

Default config for IADC single init structure.


Definition at line 955 of file platform/emlib/inc/em_iadc.h

IADC_SINGLEINPUT_DEFAULT#

#define IADC_SINGLEINPUT_DEFAULT
Value:
{ \
iadcNegInputGnd, /* Negative input GND */ \
iadcPosInputGnd, /* Positive input GND */ \
0, /* Config 0 */ \
false /* Do not compare results */ \
}

Default config for IADC single input structure.


Definition at line 976 of file platform/emlib/inc/em_iadc.h

IADC_SCANTABLEENTRY_DEFAULT#

#define IADC_SCANTABLEENTRY_DEFAULT
Value:
{ \
iadcNegInputGnd,/* Negative input GND */ \
iadcPosInputGnd,/* Positive input GND */ \
0, /* Config 0 */ \
false, /* Do not compare results */ \
false /* Do not include in scan */ \
}

Default config for IADC scan table entry structure.


Definition at line 994 of file platform/emlib/inc/em_iadc.h

IADC_SCANTABLE_DEFAULT#

#define IADC_SCANTABLE_DEFAULT
Value:
{ \
{ \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT, \
IADC_SCANTABLEENTRY_DEFAULT \
} \
}

Default IADC structure for scan table.


Definition at line 1010 of file platform/emlib/inc/em_iadc.h