afec.c File Reference

#include "chip.h"

Functions
void	AFEC_Initialize (Afec *pAFE, uint32_t dwID)
	Initialize the AFE controller.
uint32_t	AFEC_SetClock (Afec *pAFE, uint32_t dwClk, uint32_t dwMck)
	Set AFE clock.
void	AFEC_SetTiming (Afec *pAFE, uint32_t dwStartup, uint32_t dwTracking, uint32_t dwSettling)
	Set AFE timing.
void	AFEC_SetTrigger (Afec *pAFE, uint32_t dwTrgSel)
	Set AFE trigger.
void	AFEC_SetSleepMode (Afec *pAFE, uint8_t bEnDis)
	Enable/Disable sleep mode.
void	AFEC_SetFastWakeup (Afec *pAFE, uint8_t bEnDis)
	Enable/Disable fast wake up.
void	AFEC_SetSequenceMode (Afec *pAFE, uint8_t bEnDis)
	Enable/Disable sequence mode.
void	AFEC_SetSequence (Afec *pAFE, uint32_t dwSEQ1, uint32_t dwSEQ2)
	Set channel sequence.
void	AFEC_SetSequenceByList (Afec *pAFE, uint8_t ucChList[], uint8_t ucNumCh)
	Set channel sequence by given channel list.
void	AFEC_SetAnalogChange (Afec *pAFE, uint8_t bEnDis)
	Set analog change. IF enabled, it allows different analog settings for each channel, otherwise, DIFF0, GAIN0 and OFF0 are used for all channels.
void	AFEC_SetTagEnable (Afec *pAFE, uint8_t bEnDis)
	Set "TAG" mode, show channel number in last data or not.
void	AFEC_SetCompareChannel (Afec *pAFE, uint32_t dwChannel)
	Set compare channel.
void	AFEC_SetCompareMode (Afec *pAFE, uint32_t dwMode)
	Set compare mode.
void	AFEC_SetComparisonWindow (Afec *pAFE, uint32_t dwHi_Lo)
	Set comparison window.
uint32_t	AFEC_GetConvertedData (Afec *pAFE, uint32_t dwChannel)
	Return the Channel Converted Data.
void	AFEC_SetStartupTime (Afec *pAFE, uint32_t dwUs)
void	AFEC_SetTrackingTime (Afec *pAFE, uint32_t dwNs)
void	AFEC_SetAnalogOffset (Afec *pAFE, uint32_t dwChannel, uint32_t aoffset)
	Set analog offset to be used for channel CSEL.
void	AFEC_SetAnalogControl (Afec *pAFE, uint32_t control)
	Set analog offset to be used for channel CSEL.

Detailed Description

Implementation of Analog-to-Digital Converter (AFE).

Function Documentation

AFEC_GetConvertedData()

uint32_t AFEC_GetConvertedData	(	Afec *	pAFE,
		uint32_t	dwChannel
	)

Return the Channel Converted Data.

Parameters

pAFE	Pointer to an AFE instance.
dwChannel	channel to get converted value

AFEC_Initialize()

void AFEC_Initialize	(	Afec *	pAFE,
		uint32_t	dwID
	)

Initialize the AFE controller.

Parameters

pAFE	Pointer to an AFE instance.
dwID	AFE Index

AFEC_SetAnalogChange()

void AFEC_SetAnalogChange	(	Afec *	pAFE,
		uint8_t	bEnDis
	)

Set analog change. IF enabled, it allows different analog settings for each channel, otherwise, DIFF0, GAIN0 and OFF0 are used for all channels.

Parameters

pAFE	Pointer to an AFE instance.
bEnDis	Enable/Disable.

AFEC_SetAnalogControl()

void AFEC_SetAnalogControl	(	Afec *	pAFE,
		uint32_t	control
	)

Set analog offset to be used for channel CSEL.

Parameters

afec	Base address of the AFEC.
control	Analog control value.

AFEC_SetAnalogOffset()

void AFEC_SetAnalogOffset	(	Afec *	pAFE,
		uint32_t	dwChannel,
		uint32_t	aoffset
	)

Set analog offset to be used for channel CSEL.

Parameters

afec	Base address of the AFEC.
dwChannel	AFEC channel number.
aoffset	Analog offset value.

AFEC_SetClock()

uint32_t AFEC_SetClock	(	Afec *	pAFE,
		uint32_t	dwClk,
		uint32_t	dwMck
	)

Set AFE clock.

Parameters

pAFE	Pointer to an AFE instance.
dwPres	prescale value
dwMck	Board MCK (Hz)

Returns

AFE clock

AFEC_SetCompareChannel()

void AFEC_SetCompareChannel	(	Afec *	pAFE,
		uint32_t	dwChannel
	)

Set compare channel.

Parameters

pAFE	Pointer to an AFE instance.
dwChannel	channel number to be set,16 for all channels

AFEC_SetCompareMode()

void AFEC_SetCompareMode	(	Afec *	pAFE,
		uint32_t	dwMode
	)

Set compare mode.

Parameters

pAFE	Pointer to an AFE instance.
dwMode	compare mode

AFEC_SetComparisonWindow()

void AFEC_SetComparisonWindow	(	Afec *	pAFE,
		uint32_t	dwHi_Lo
	)

Set comparison window.

Parameters

pAFE	Pointer to an AFE instance.
dwHi_Lo	Comparison Window

AFEC_SetFastWakeup()

void AFEC_SetFastWakeup	(	Afec *	pAFE,
		uint8_t	bEnDis
	)

Enable/Disable fast wake up.

Parameters

pAFE	Pointer to an AFE instance.
bEnDis	Enable/Disable fast wake up in sleep mode.

AFEC_SetSequence()

void AFEC_SetSequence	(	Afec *	pAFE,
		uint32_t	dwSEQ1,
		uint32_t	dwSEQ2
	)

Set channel sequence.

Parameters

pAFE	Pointer to an AFE instance.
dwSEQ1	Sequence 1 ~ 8 channel number.
dwSEQ2	Sequence 9 ~ 16 channel number.

AFEC_SetSequenceByList()

void AFEC_SetSequenceByList	(	Afec *	pAFE,
		uint8_t	ucChList[],
		uint8_t	ucNumCh
	)

Set channel sequence by given channel list.

Parameters

pAFE	Pointer to an AFE instance.
ucChList	Channel list.
ucNumCh	Number of channels in list.

AFEC_SetSequenceMode()

void AFEC_SetSequenceMode	(	Afec *	pAFE,
		uint8_t	bEnDis
	)

Enable/Disable sequence mode.

Parameters

pAFE	Pointer to an AFE instance.
bEnDis	Enable/Disable sequence mode.

AFEC_SetSleepMode()

void AFEC_SetSleepMode	(	Afec *	pAFE,
		uint8_t	bEnDis
	)

Enable/Disable sleep mode.

Parameters

pAFE	Pointer to an AFE instance.
bEnDis	Enable/Disable sleep mode.

AFEC_SetStartupTime()

void AFEC_SetStartupTime	(	Afec *	pAFE,
		uint32_t	dwUs
	)

Sets the AFE startup time.

Parameters

pAFE	Pointer to an AFE instance.
dwUs	Startup time in uS.

AFEC_SetTagEnable()

void AFEC_SetTagEnable	(	Afec *	pAFE,
		uint8_t	bEnDis
	)

Set "TAG" mode, show channel number in last data or not.

Parameters

pAFE	Pointer to an AFE instance.
bEnDis	Enable/Disable TAG value.

AFEC_SetTiming()

void AFEC_SetTiming	(	Afec *	pAFE,
		uint32_t	dwStartup,
		uint32_t	dwTracking,
		uint32_t	dwSettling
	)

Set AFE timing.

Parameters

pAFE	Pointer to an AFE instance.
dwStartup	startup value
dwTracking	tracking value
dwSettling	settling value

AFEC_SetTrackingTime()

void AFEC_SetTrackingTime	(	Afec *	pAFE,
		uint32_t	dwNs
	)

Set AFE tracking time

Parameters

pAFE	Pointer to an AFE instance.
dwNs	Tracking time in nS.

AFEC_SetTrigger()

void AFEC_SetTrigger	(	Afec *	pAFE,
		uint32_t	dwTrgSel
	)

Set AFE trigger.

Parameters

pAFE	Pointer to an AFE instance.
dwTrgSel	Trigger selection