Implementation of AD7768 Driver. More...

#include <stdio.h>
#include <stdlib.h>
#include "ad7768.h"
#include "no_os_alloc.h"
#include "no_os_error.h"
#include "no_os_util.h"
#include "no_os_delay.h"

Include dependency graph for ad7768.c:

Functions
int32_t	ad7768_spi_read (ad7768_dev dev, uint8_t reg_addr, uint8_t reg_data)

int32_t	ad7768_spi_write (ad7768_dev *dev, uint8_t reg_addr, uint8_t reg_data)

int32_t	ad7768_spi_read_mask (ad7768_dev dev, uint8_t reg_addr, uint8_t mask, uint8_t data)

int32_t	ad7768_spi_write_mask (ad7768_dev *dev, uint8_t reg_addr, uint8_t mask, uint8_t data)

int32_t	ad7768_set_sleep_mode (ad7768_dev *dev, ad7768_sleep_mode mode)

int32_t	ad7768_get_sleep_mode (ad7768_dev dev, ad7768_sleep_mode mode)

int32_t	ad7768_set_mode_pins (ad7768_dev *dev, uint8_t state)

int32_t	ad7768_set_power_mode (ad7768_dev *dev, ad7768_power_mode mode)

int32_t	ad7768_get_power_mode (ad7768_dev dev, ad7768_power_mode mode)

int32_t	ad7768_set_mclk_div (ad7768_dev *dev, ad7768_mclk_div clk_div)

int32_t	ad7768_get_mclk_div (ad7768_dev dev, ad7768_mclk_div clk_div)

int32_t	ad7768_set_dclk_div (ad7768_dev *dev, ad7768_dclk_div clk_div)

int32_t	ad7768_get_dclk_div (ad7768_dev dev, ad7768_dclk_div clk_div)

int32_t	ad7768_set_conv_op (ad7768_dev *dev, ad7768_conv_op conv_op)

int32_t	ad7768_get_conv_op (ad7768_dev dev, ad7768_conv_op conv_op)

int32_t	ad7768_set_crc_sel (ad7768_dev *dev, ad7768_crc_sel crc_sel)

int32_t	ad7768_get_crc_sel (ad7768_dev dev, ad7768_crc_sel crc_sel)

int32_t	ad7768_set_ch_state (ad7768_dev *dev, ad7768_ch ch, ad7768_ch_state state)

int32_t	ad7768_get_ch_state (ad7768_dev dev, ad7768_ch ch, ad7768_ch_state state)

int32_t	ad7768_set_mode_config (ad7768_dev *dev, ad7768_ch_mode mode, ad7768_filt_type filt_type, ad7768_dec_rate dec_rate)

int32_t	ad7768_get_mode_config (ad7768_dev dev, ad7768_ch_mode mode, ad7768_filt_type filt_type, ad7768_dec_rate *dec_rate)

int32_t	ad7768_set_ch_mode (ad7768_dev *dev, ad7768_ch ch, ad7768_ch_mode mode)

int32_t	ad7768_get_ch_mode (ad7768_dev dev, ad7768_ch ch, ad7768_ch_mode mode)

int32_t	ad7768_setup (ad7768_dev **device, ad7768_init_param init_param)

int32_t	ad7768_setup_begin (ad7768_dev **device, ad7768_init_param init_param)

int32_t	ad7768_setup_finish (ad7768_dev *dev, ad7768_init_param init_param)

void	ad7768_set_available_sampl_freq (ad7768_dev *dev)

int	ad7768_set_power_mode_and_sampling_freq (ad7768_dev *dev, enum ad7768_power_modes_raw mode)

int	ad7768_remove (ad7768_dev *dev)

Variables
const uint8_t	standard_pin_ctrl_mode_sel [3][4]

const uint8_t	one_shot_pin_ctrl_mode_sel [3][4]

Detailed Description

Implementation of AD7768 Driver.

Author: DBogdan (drago.nosp@m.s.bo.nosp@m.gdan@.nosp@m.anal.nosp@m.og.co.nosp@m.m)

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

◆ ad7768_get_ch_mode()

int32_t ad7768_get_ch_mode	(	ad7768_dev *	dev,
		ad7768_ch	ch,
		ad7768_ch_mode *	mode )

Get the channel mode.

Parameters

dev	- The device structure.
ch	- The channel number. Accepted values: AD7768_CH0 AD7768_CH1 AD7768_CH2 AD7768_CH3 AD7768_CH4 AD7768_CH5 AD7768_CH6 AD7768_CH7
mode	- The channel mode.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_ch_state()

int32_t ad7768_get_ch_state	(	ad7768_dev *	dev,
		ad7768_ch	ch,
		ad7768_ch_state *	state )

Get the channel state.

Parameters

dev	- The device structure.
ch	- The channel number. Accepted values: AD7768_CH0 AD7768_CH1 AD7768_CH2 AD7768_CH3 AD7768_CH4 AD7768_CH5 AD7768_CH6 AD7768_CH7
state	- The channel state.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_conv_op()

int32_t ad7768_get_conv_op	(	ad7768_dev *	dev,
		ad7768_conv_op *	conv_op )

Get the conversion operation mode.

Parameters

dev	- The device structure.
conv_op	- The conversion operation mode.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_crc_sel()

int32_t ad7768_get_crc_sel	(	ad7768_dev *	dev,
		ad7768_crc_sel *	crc_sel )

Get the CRC selection.

Parameters

dev	- The device structure.
crc_sel	- The CRC selection.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_dclk_div()

int32_t ad7768_get_dclk_div	(	ad7768_dev *	dev,
		ad7768_dclk_div *	clk_div )

Get the DCLK divider.

Parameters

dev	- The device structure.
clk_div	- The DCLK divider.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_mclk_div()

int32_t ad7768_get_mclk_div	(	ad7768_dev *	dev,
		ad7768_mclk_div *	clk_div )

Get the MCLK divider.

Parameters

dev	- The device structure.
clk_div	- The MCLK divider.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_mode_config()

int32_t ad7768_get_mode_config	(	ad7768_dev *	dev,
		ad7768_ch_mode	mode,
		ad7768_filt_type *	filt_type,
		ad7768_dec_rate *	dec_rate )

Get the mode configuration.

Parameters

dev	- The device structure.
mode	- The channel mode.
filt_type	- The filter type.
dec_rate	- The decimation rate.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_power_mode()

int32_t ad7768_get_power_mode	(	ad7768_dev *	dev,
		ad7768_power_mode *	mode )

Get the device power mode.

Parameters

dev	- The device structure.
mode	- The device power mode.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_get_sleep_mode()

int32_t ad7768_get_sleep_mode	(	ad7768_dev *	dev,
		ad7768_sleep_mode *	mode )

Get the device sleep mode.

Parameters

dev	- The device structure.
mode	- The device sleep mode.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_remove()

int ad7768_remove ( ad7768_dev * dev )

Free the resources allocated by ad7768_setup().

Parameters

dev	- The device structure.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_available_sampl_freq()

void ad7768_set_available_sampl_freq ( ad7768_dev * dev )

Set available sampling frequency.

Parameters

dev	- The device structure.

◆ ad7768_set_ch_mode()

int32_t ad7768_set_ch_mode	(	ad7768_dev *	dev,
		ad7768_ch	ch,
		ad7768_ch_mode	mode )

Set the channel mode.

Parameters

dev	- The device structure.
ch	- The channel number. Accepted values: AD7768_CH0 AD7768_CH1 AD7768_CH2 AD7768_CH3 AD7768_CH4 AD7768_CH5 AD7768_CH6 AD7768_CH7
mode	- The channel mode. Accepted values: AD7768_MODE_A AD7768_MODE_B

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_ch_state()

int32_t ad7768_set_ch_state	(	ad7768_dev *	dev,
		ad7768_ch	ch,
		ad7768_ch_state	state )

Set the channel state.

Parameters

dev	- The device structure.
ch	- The channel number. Accepted values: AD7768_CH0 AD7768_CH1 AD7768_CH2 AD7768_CH3 AD7768_CH4 AD7768_CH5 AD7768_CH6 AD7768_CH7
state	- The channel state. Accepted values: AD7768_ENABLED AD7768_STANDBY

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_conv_op()

int32_t ad7768_set_conv_op	(	ad7768_dev *	dev,
		ad7768_conv_op	conv_op )

Set the conversion operation mode.

Parameters

dev	- The device structure.
conv_op	- The conversion operation mode. Accepted values: AD7768_STANDARD_CONV AD7768_ONE_SHOT_CONV

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_crc_sel()

int32_t ad7768_set_crc_sel	(	ad7768_dev *	dev,
		ad7768_crc_sel	crc_sel )

Set the CRC selection.

Parameters

dev	- The device structure.
crc_sel	- The CRC selection. Accepted values: AD7768_NO_CRC AD7768_CRC_4 AD7768_CRC_16

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_dclk_div()

int32_t ad7768_set_dclk_div	(	ad7768_dev *	dev,
		ad7768_dclk_div	clk_div )

Set the DCLK divider.

Parameters

dev	- The device structure.
clk_div	- The DCLK divider. Accepted values: AD7768_DCLK_DIV_1 AD7768_DCLK_DIV_2 AD7768_DCLK_DIV_4 AD7768_DCLK_DIV_8

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_mclk_div()

int32_t ad7768_set_mclk_div	(	ad7768_dev *	dev,
		ad7768_mclk_div	clk_div )

Set the MCLK divider.

Parameters

dev	- The device structure.
clk_div	- The MCLK divider. Accepted values: AD7768_MCLK_DIV_32 AD7768_MCLK_DIV_8 AD7768_MCLK_DIV_4

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_mode_config()

int32_t ad7768_set_mode_config	(	ad7768_dev *	dev,
		ad7768_ch_mode	mode,
		ad7768_filt_type	filt_type,
		ad7768_dec_rate	dec_rate )

Set the mode configuration.

Parameters

dev	- The device structure.
mode	- The channel mode. Accepted values: AD7768_MODE_A AD7768_MODE_B
filt_type	- The filter type. Accepted values: AD7768_FILTER_WIDEBAND AD7768_FILTER_SINC,
dec_rate	- The decimation rate. Accepted values: AD7768_DEC_X32 AD7768_DEC_X64 AD7768_DEC_X128 AD7768_DEC_X256 AD7768_DEC_X512 AD7768_DEC_X1024

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_mode_pins()

int32_t ad7768_set_mode_pins	(	ad7768_dev *	dev,
		uint8_t	state )

Internal set MODEx pins function.

Parameters

dev	- The device structure.
state	- The state of the MODEx pins.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_power_mode()

int32_t ad7768_set_power_mode	(	ad7768_dev *	dev,
		ad7768_power_mode	mode )

Set the device power mode.

Parameters

dev	- The device structure.
mode	- The device power mode. Accepted values: AD7768_ECO AD7768_MEDIAN AD7768_FAST

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_power_mode_and_sampling_freq()

int ad7768_set_power_mode_and_sampling_freq	(	ad7768_dev *	dev,
		enum ad7768_power_modes_raw	mode )

Set power mode and sampling frequency.

Parameters

dev	- The device structure.
mode	- The required power mode (raw value).

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_set_sleep_mode()

int32_t ad7768_set_sleep_mode	(	ad7768_dev *	dev,
		ad7768_sleep_mode	mode )

Set the device sleep mode.

Parameters

dev	- The device structure.
mode	- The device sleep mode. Accepted values: AD7768_ACTIVE AD7768_SLEEP

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_setup()

int32_t ad7768_setup	(	ad7768_dev **	device,
		ad7768_init_param	init_param )

Initialize the device.

Parameters

device	- The device structure.
init_param	- The structure that contains the device initial parameters.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_setup_begin()

int32_t ad7768_setup_begin	(	ad7768_dev **	device,
		ad7768_init_param	init_param )

Begin initializing the device.

Parameters

device	- The device structure.
init_param	- The structure that contains the device initial parameters.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_setup_finish()

int32_t ad7768_setup_finish	(	ad7768_dev *	dev,
		ad7768_init_param	init_param )

Finish initializing the device.

Parameters

dev	- The device structure.
init_param	- The structure that contains the device initial parameters.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_spi_read()

int32_t ad7768_spi_read	(	ad7768_dev *	dev,
		uint8_t	reg_addr,
		uint8_t *	reg_data )

SPI read from device.

Parameters

dev	- The device structure.
reg_addr	- The register address.
reg_data	- The register data.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_spi_read_mask()

int32_t ad7768_spi_read_mask	(	ad7768_dev *	dev,
		uint8_t	reg_addr,
		uint8_t	mask,
		uint8_t *	data )

SPI read from device using a mask.

Parameters

dev	- The device structure.
reg_addr	- The register address.
mask	- The mask.
data	- The register data.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_spi_write()

int32_t ad7768_spi_write	(	ad7768_dev *	dev,
		uint8_t	reg_addr,
		uint8_t	reg_data )

SPI write to device.

Parameters

dev	- The device structure.
reg_addr	- The register address.
reg_data	- The register data.

Returns: 0 in case of success, negative error code otherwise.

◆ ad7768_spi_write_mask()

int32_t ad7768_spi_write_mask	(	ad7768_dev *	dev,
		uint8_t	reg_addr,
		uint8_t	mask,
		uint8_t	data )

SPI write to device using a mask.

Parameters

dev	- The device structure.
reg_addr	- The register address.
mask	- The mask.
data	- The register data.

Returns: 0 in case of success, negative error code otherwise.

Variable Documentation

◆ one_shot_pin_ctrl_mode_sel

const uint8_t one_shot_pin_ctrl_mode_sel[3][4]

Initial value:

= {
 
    {0xC,   0xFF,   0xFF,   0xFF},  
    {0xD,   0xFF,   0xFF,   0xFF},  
    {0xF,   0xE,    0xFF,   0xFF},  
}

◆ standard_pin_ctrl_mode_sel

const uint8_t standard_pin_ctrl_mode_sel[3][4]

Initial value:

= {
 
    {0x0,   0x1,    0x2,    0x3},   
    {0x4,   0x5,    0x6,    0x7},   
    {0x8,   0x9,    0xA,    0xB},   
}

Functions

Variables

Detailed Description

Function Documentation

◆ ad7768_get_ch_mode()

◆ ad7768_get_ch_state()

◆ ad7768_get_conv_op()

◆ ad7768_get_crc_sel()

◆ ad7768_get_dclk_div()

◆ ad7768_get_mclk_div()

◆ ad7768_get_mode_config()

◆ ad7768_get_power_mode()

◆ ad7768_get_sleep_mode()

◆ ad7768_remove()

◆ ad7768_set_available_sampl_freq()

◆ ad7768_set_ch_mode()

◆ ad7768_set_ch_state()

◆ ad7768_set_conv_op()

◆ ad7768_set_crc_sel()

◆ ad7768_set_dclk_div()

◆ ad7768_set_mclk_div()

◆ ad7768_set_mode_config()

◆ ad7768_set_mode_pins()

◆ ad7768_set_power_mode()

◆ ad7768_set_power_mode_and_sampling_freq()

◆ ad7768_set_sleep_mode()

◆ ad7768_setup()

◆ ad7768_setup_begin()

◆ ad7768_setup_finish()

◆ ad7768_spi_read()

◆ ad7768_spi_read_mask()

◆ ad7768_spi_write()

◆ ad7768_spi_write_mask()

Variable Documentation

◆ one_shot_pin_ctrl_mode_sel

◆ standard_pin_ctrl_mode_sel