ad4134_support.h File Reference

#include <stdio.h>
#include <stdbool.h>
#include "ad713x.h"

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Macros
#define	AD7134_CONV_TIMEOUT   10000
#define	AD713X_DEV_CONFIG_PWR_MODE_RD(x)   (((x) >> 1) & 0x1)
#define	AD713X_DATA_PACKET_CONFIG_FRAME_RD(x)   (((x) >> 4) & 0x7)
#define	AD713X_DATA_PACKET_CONFIG_DCLK_FREQ_MODE_RD(x)   (((x) >> 0) & 0xF)
#define	AD713X_DIG_INT_CONFIG_FORMAT_MODE_RD(x)   (((x) >> 0) & 0x3)
#define	AD713X_DIGFILTER_SEL_CH_MODE_RD(x, ch)   (((x) >> (2 * ch)) & 0x3)

Functions
int32_t	ad7134_data_capture_init (struct ad713x_dev *dev)
	Perform the data capture initialization.
int32_t	ad7134_read_data (uint16_t *adc_data, uint8_t curr_chn)
	Read ADC data over DOUT0 and DOUT1 pins using bit-banging method.
int32_t	ad7134_perform_conv_and_read_sample (uint8_t input_chn, uint16_t *adc_data)
	Read ADC single sample data.
int32_t	ad7134_read_all_channels (uint16_t *chn_data)
	Read all chahnnels over DOUT0 and DOUT1 pins using bit-banging method.

Macro Definition Documentation

AD7134_CONV_TIMEOUT

#define AD7134_CONV_TIMEOUT   10000

AD713X_DATA_PACKET_CONFIG_DCLK_FREQ_MODE_RD

#define AD713X_DATA_PACKET_CONFIG_DCLK_FREQ_MODE_RD

(

x

)

(((x) >> 0) & 0xF)

AD713X_DATA_PACKET_CONFIG_FRAME_RD

#define AD713X_DATA_PACKET_CONFIG_FRAME_RD

(

x

)

(((x) >> 4) & 0x7)

AD713X_DEV_CONFIG_PWR_MODE_RD

#define AD713X_DEV_CONFIG_PWR_MODE_RD

(

x

)

(((x) >> 1) & 0x1)

AD713X_DIG_INT_CONFIG_FORMAT_MODE_RD

#define AD713X_DIG_INT_CONFIG_FORMAT_MODE_RD

(

x

)

(((x) >> 0) & 0x3)

AD713X_DIGFILTER_SEL_CH_MODE_RD

#define AD713X_DIGFILTER_SEL_CH_MODE_RD	(		x,
			ch
	)		(((x) >> (2 * ch)) & 0x3)

Function Documentation

ad7134_data_capture_init()

int32_t ad7134_data_capture_init

(

struct ad713x_dev *

dev

)

Perform the data capture initialization.

Parameters

dev[in]

- AD7134 Device descriptor.

Returns

0 in case of success, negative error code otherwise

This function configures the AD7134 registers to capture the data

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ad7134_perform_conv_and_read_sample()

int32_t ad7134_perform_conv_and_read_sample	(	uint8_t	input_chn,
		uint16_t *	adc_data
	)

Read ADC single sample data.

Parameters

input_chn[in]	- Channel for which data is to read
adc_data[out]	- Pointer to adc data read variable

Returns

0 in case of success, negative error code otherwise

ad7134_read_all_channels()

int32_t ad7134_read_all_channels

(

uint16_t *

chn_data

)

Read all chahnnels over DOUT0 and DOUT1 pins using bit-banging method.

Parameters

chn_data[out]

- Pointer to adc data read variable

Returns

0 in case of success, negative error code otherwise

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ad7134_read_data()

int32_t ad7134_read_data	(	uint16_t *	adc_data,
		uint8_t	curr_chn
	)

Read ADC data over DOUT0 and DOUT1 pins using bit-banging method.

Parameters

adc_data[out]	- Pointer to adc data read variable
curr_chn[in]	- Channel for which data is to read

Returns

0 in case of success, negative error code otherwise

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