#include "afe_config.h"

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Functions
int	afe_init (void)
	Initializes SPI handler, AFE register values. More...

int	afe_start (void)
	Starts the AFE. More...

int	config_afe_irq (void)
	Configures IRQ flags. More...

int	config_wfb (void)
	configure WFB_CFB register, initialized with start filling More...

int	afe_read_waveform (uint16_t *pData, uint16_t numSamples)
	reads waveform buffer. More...

int	afe_read_period (uint32_t *pPeriod, uint16_t numPeriods)
	reads period registers. More...

int	afe_read_rms_one (uint32_t *pRMS, uint16_t numRMS)
	reads rmsonevalue registers. More...

int	afe_read_rms_1012 (uint32_t *pRMS, uint16_t numRMS)
	reads rms1012value registers. More...

int	afe_read_angle (uint16_t *pAngle, uint16_t numAngles, uint16_t angleVolCur)
	reads angle registers. More...

int	afe_read_status_1 (uint32_t *pSTATUS1)
	Read STATUS1 register. More...

int	afe_read_version (uint32_t *pVersion)
	reads AFE version. More...

int	afe_write_32bit_reg (uint16_t addr, uint32_t *pData)
	write the 32bit value to the register More...

int	afe_write_16bit_reg (uint16_t addr, uint16_t *pData)
	write the 16bit value to the register More...

int	afe_read_32bit_buff (uint16_t addr, uint16_t numSamples, uint32_t *pData)
	reads the 32bit value from the register and saves to a 32bit buffer. More...

int	afe_read_16bit_buff (uint16_t addr, uint16_t numSamples, uint16_t *pData)
	reads the 16bit value from the register and saves to a 16bitbuffer. More...

int	reset_afe (void)
	resets the AFE More...

int	spi_device_init (void)
	SPI Initialization Function. More...

int	afe_read_status0 (uint32_t *pSTATUS0)
	Read STATUS0 register. More...

void	afe_wait_settling (uint32_t cycles)
	Waits for passed number of cycles. More...

int	afe_set_acc_mode (uint16_t frequency, uint16_t vconsel, uint16_t iconsel)
	sets ACCMODE register for nominal frequency, ICONSEL, VCONSEL. More...

int	afe_set_ref_channel (uint16_t refChannel)
	sets refChannel. More...

Variables
volatile uint8_t	rmsOneReady = 0

struct no_os_spi_desc *	hSPI

struct no_os_spi_msg	spiMsg

struct no_os_gpio_init_param	reset_gpio_ip

Function Documentation

◆ afe_init()

int afe_init ( void )

Initializes SPI handler, AFE register values.

Returns

status - SYS_STATUS_SUCCESS on Success.

AFE macro failure on Failure.

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◆ afe_read_16bit_buff()

int afe_read_16bit_buff	(	uint16_t	addr,
		uint16_t	numSamples,
		uint16_t *	pData
	)

reads the 16bit value from the register and saves to a 16bitbuffer.

Parameters

[in]	addr	- register address
[in]	numSamples	- number of samples to be read
[in]	pData	- pointer to read pData

Returns: status 0 for success.

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◆ afe_read_32bit_buff()

int afe_read_32bit_buff	(	uint16_t	addr,
		uint16_t	numSamples,
		uint32_t *	pData
	)

reads the 32bit value from the register and saves to a 32bit buffer.

Parameters

[in]	addr	- register address
[in]	numSamples	- number of samples to be write
[out]	pData	- pointer to write pData

Returns: status 0 for success.

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◆ afe_read_angle()

int afe_read_angle	(	uint16_t *	pAngle,
		uint16_t	numAngles,
		uint16_t	angleVolCur
	)

reads angle registers.

Parameters

[out]	pAngle	- pointer to read angle values.
[in]	numAngles	- number of angle values to be read.
[in]	angleVolCur	- address of current or voltage angle

Returns

status - SYS_STATUS_SUCCESS on success,

SYS_STATUS_AFE_READANGLE_FAILED on failure.

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◆ afe_read_period()

int afe_read_period	(	uint32_t *	pPeriod,
		uint16_t	numPeriods
	)

reads period registers.

Parameters

[out]	pPeriod	- pointer to read period.
[in]	numPeriods	- number of periods to be read.

Returns

status - SYS_STATUS_SUCCESS on success,

SYS_STATUS_AFE_READPERIOD_FAILED on failure.

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◆ afe_read_rms_1012()

int afe_read_rms_1012	(	uint32_t *	pRMS,
		uint16_t	numRMS
	)

reads rms1012value registers.

Parameters

[out]	pRMS	- pointer to read RMS1012 values.
[in]	numRMS	- number of rms values to be read.

Returns

status - SYS_STATUS_SUCCESS on success,

SYS_STATUS_AFE_READRMS1012_FAILED on failure.

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◆ afe_read_rms_one()

int afe_read_rms_one	(	uint32_t *	pRMS,
		uint16_t	numRMS
	)

reads rmsonevalue registers.

Parameters

[out]	pRMS	- pointer to read RMSOne values.
[in]	numRMS	- number of rms values to be read.

Returns

status - SYS_STATUS_SUCCESS on success,

SYS_STATUS_AFE_READRMSONE_FAILED on failure.

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◆ afe_read_status0()

int afe_read_status0 ( uint32_t * pSTATUS0 )

Read STATUS0 register.

Parameters

[out] pSTATUS0 - pointer to read STATUS0.

Returns

status - SYS_STATUS_SUCCESS on Success,

SYS_STATUS_AFE_STATUS0_FAILED on Failure.

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◆ afe_read_status_1()

int afe_read_status_1 ( uint32_t * pSTATUS1 )

Read STATUS1 register.

Parameters

[out] pSTATUS1 - pointer to read STATUS1.

Returns

status - SYS_STATUS_SUCCESS on Success

SYS_STATUS_AFE_STATUS1_FAILED on Failure.

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◆ afe_read_version()

int afe_read_version ( uint32_t * pVersion )

reads AFE version.

Parameters

[out] pVersion - pointer to read AFE version.

Returns

status - SYS_STATUS_SUCCESS on success,

SYS_STATUS_AFE_READVERSION_FAILED on failure.

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◆ afe_read_waveform()

int afe_read_waveform	(	uint16_t *	pData,
		uint16_t	numSamples
	)

reads waveform buffer.

Parameters

[out]	pData	- pointer to read waveform buffer data.
[in]	numSamples	- number of samples to be read.

Returns

status - SYS_STATUS_SUCCESS on Success

SYS_STATUS_AFE_WAVEFORM_FAILED on Failure.

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◆ afe_set_acc_mode()

int afe_set_acc_mode	(	uint16_t	frequency,
		uint16_t	vconsel,
		uint16_t	iconsel
	)

sets ACCMODE register for nominal frequency, ICONSEL, VCONSEL.

Parameters

[in]	frequency	- nomianl frequency
[in]	vconsel	- vconsel bits
[in]	iconsel	- iconsel bits

Returns

status - SYS_STATUS_SUCCESS on success.

SYS_STATUS_AFE_ACCMODE_FAILED on failure.

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◆ afe_set_ref_channel()

int afe_set_ref_channel ( uint16_t refChannel )

sets refChannel.

Parameters

[in] refChannel - refChannel

Returns

status - SYS_STATUS_SUCCESS on success,

SYS_STATUS_AFE_ZX_LP_SEL_FAILED on failure.

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◆ afe_start()

int afe_start ( void )

Starts the AFE.

Returns

status - SYS_STATUS_SUCCESS on Success.

AFE macro failure on Failure.

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◆ afe_wait_settling()

void afe_wait_settling ( uint32_t cycles )

Waits for passed number of cycles.

Parameters

[in] cycles - Number of cycles to wait

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◆ afe_write_16bit_reg()

int afe_write_16bit_reg	(	uint16_t	addr,
		uint16_t *	pData
	)

write the 16bit value to the register

Parameters

[in]	addr	- register address
[in]	pData	- pointer to write data

Returns: status 0 for success.

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◆ afe_write_32bit_reg()

int afe_write_32bit_reg	(	uint16_t	addr,
		uint32_t *	pData
	)

write the 32bit value to the register

Parameters

[in]	addr	- register address
[in]	pData	- pointer to write data

Returns: status 0 for success.

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◆ config_afe_irq()

int config_afe_irq ( void )

Configures IRQ flags.

Returns

status - SYS_STATUS_SUCCESS on Success

SYS_STATUS_AFE_MASK0_FAILED on Failure.

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◆ config_wfb()

int config_wfb ( void )

configure WFB_CFB register, initialized with start filling

Returns: status - SYS_STATUS_SUCCESS for success failure value for failure

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◆ reset_afe()

int reset_afe ( void )

resets the AFE

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◆ spi_device_init()

int spi_device_init ( void )

SPI Initialization Function.

Return values

status 0 for success

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Variable Documentation

◆ hSPI

struct no_os_spi_desc* hSPI

◆ reset_gpio_ip

struct no_os_gpio_init_param reset_gpio_ip

◆ rmsOneReady

volatile uint8_t rmsOneReady = 0

◆ spiMsg

struct no_os_spi_msg spiMsg

Functions

Variables

Function Documentation

◆ afe_init()

◆ afe_read_16bit_buff()

◆ afe_read_32bit_buff()

◆ afe_read_angle()

◆ afe_read_period()

◆ afe_read_rms_1012()

◆ afe_read_rms_one()

◆ afe_read_status0()

◆ afe_read_status_1()

◆ afe_read_version()

◆ afe_read_waveform()

◆ afe_set_acc_mode()

◆ afe_set_ref_channel()

◆ afe_start()

◆ afe_wait_settling()

◆ afe_write_16bit_reg()

◆ afe_write_32bit_reg()

◆ config_afe_irq()

◆ config_wfb()

◆ reset_afe()

◆ spi_device_init()

Variable Documentation

◆ hSPI

◆ reset_gpio_ip

◆ rmsOneReady

◆ spiMsg