ad5766.c File Reference

Implementation of AD5766 Driver. More...

#include <stdio.h>
#include <stdlib.h>
#include "ad5766.h"
#include "no_os_error.h"
#include "no_os_alloc.h"

Include dependency graph for ad5766.c:

Functions
int32_t	ad5766_spi_cmd_write (struct ad5766_dev *dev, uint8_t cmd, uint16_t data)
int32_t	ad5766_spi_readback_reg (struct ad5766_dev *dev, enum ad5766_dac dac, uint32_t *data)
int32_t	ad5766_set_sw_ldac (struct ad5766_dev *dev, uint16_t setting)
int32_t	ad5766_set_clr_span (struct ad5766_dev *dev, enum ad5766_clr clr, enum ad5766_span span)
int32_t	ad5766_set_pwr_dac (struct ad5766_dev *dev, uint16_t setting)
int32_t	ad5766_set_pwr_dither (struct ad5766_dev *dev, uint16_t setting)
int32_t	ad5766_set_dither_signal (struct ad5766_dev *dev, uint32_t setting)
int32_t	ad5766_set_inv_dither (struct ad5766_dev *dev, uint16_t setting)
int32_t	ad5766_set_dither_scale (struct ad5766_dev *dev, uint32_t setting)
int32_t	ad5766_do_soft_reset (struct ad5766_dev *dev)
int32_t	ad5766_set_in_reg (struct ad5766_dev *dev, enum ad5766_dac dac, uint16_t data)
int32_t	ad5766_set_dac_reg (struct ad5766_dev *dev, enum ad5766_dac dac, uint16_t data)
int32_t	ad5766_set_dac_reg_all (struct ad5766_dev *dev, uint16_t data)
int32_t	ad5766_init (struct ad5766_dev **device, struct ad5766_init_param init_param)
int32_t	ad5766_remove (struct ad5766_dev *dev)
	Free the resources allocated by ad5766_init().

Detailed Description

Implementation of AD5766 Driver.

Author

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

Copyright 2016(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

ad5766_do_soft_reset()

int32_t ad5766_do_soft_reset

(

struct ad5766_dev *

dev

)

Do a software reset.

Parameters

dev	- The device structure.

Returns

0 in case of success, negative error code otherwise.

ad5766_init()

int32_t ad5766_init	(	struct ad5766_dev **	device,
		struct ad5766_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.

ad5766_remove()

int32_t ad5766_remove

(

struct ad5766_dev *

dev

)

Free the resources allocated by ad5766_init().

Parameters

dev	- The device structure.

Returns

0 in case of success, negative error code otherwise.

ad5766_set_clr_span()

int32_t ad5766_set_clr_span	(	struct ad5766_dev *	dev,
		enum ad5766_clr	clr,
		enum ad5766_span	span )

Set clear code and span settings.

Parameters

dev	- The device structure.
clr	- The clear code setting. Accepted values: AD5766_ZERO AD5766_MID AD5766_FULL
span	- The span setting. Accepted values: AD5766_M_20V_TO_0V AD5766_M_16V_TO_0V AD5766_M_10V_TO_0V AD5766_M_12V_TO_P_14V AD5766_M_16V_TO_P_10V AD5766_M_5V_TO_P_6V AD5766_M_10V_TO_P_10V

Returns

0 in case of success, negative error code otherwise.

ad5766_set_dac_reg()

int32_t ad5766_set_dac_reg	(	struct ad5766_dev *	dev,
		enum ad5766_dac	dac,
		uint16_t	data )

Set the DAC register for the selected channel.

Parameters

dev	- The device structure.
dac	- The selected channel.
data	- The register data.

Returns

0 in case of success, negative error code otherwise.

ad5766_set_dac_reg_all()

int32_t ad5766_set_dac_reg_all	(	struct ad5766_dev *	dev,
		uint16_t	data )

Set the DAC register for all channels.

Parameters

dev	- The device structure.
data	- The register data.

Returns

0 in case of success, negative error code otherwise.

ad5766_set_dither_scale()

int32_t ad5766_set_dither_scale	(	struct ad5766_dev *	dev,
		uint32_t	setting )

Enable the dither scaling for the selected channels.

Parameters

dev	- The device structure.
setting	- The setting. Accepted values: AD5766_75(x) | AD5766_50(y) | AD5766_25(z) | ...

Returns

0 in case of success, negative error code otherwise.

ad5766_set_dither_signal()

int32_t ad5766_set_dither_signal	(	struct ad5766_dev *	dev,
		uint32_t	setting )

Enable the dither signal for the selected channels.

Parameters

dev	- The device structure.
setting	- The setting. Accepted values: AD5766_N0(x) | AD5766_N1(y) | ...

Returns

0 in case of success, negative error code otherwise.

ad5766_set_in_reg()

int32_t ad5766_set_in_reg	(	struct ad5766_dev *	dev,
		enum ad5766_dac	dac,
		uint16_t	data )

Set the input register for the selected channel.

Parameters

dev	- The device structure.
dac	- The selected channel.
data	- The register data.

Returns

0 in case of success, negative error code otherwise.

ad5766_set_inv_dither()

int32_t ad5766_set_inv_dither	(	struct ad5766_dev *	dev,
		uint16_t	setting )

Invert the dither signal for the selected channels.

Parameters

dev	- The device structure.
setting	- The setting. Accepted values: AD5766_INV_D(x) | AD5766_INV_D(y) | ...

Returns

0 in case of success, negative error code otherwise.

ad5766_set_pwr_dac()

int32_t ad5766_set_pwr_dac	(	struct ad5766_dev *	dev,
		uint16_t	setting )

Power down the selected channels.

Parameters

dev	- The device structure.
setting	- The setting. Accepted values: AD5766_PWDN(x) | AD5766_PWDN(y) | ...

Returns

0 in case of success, negative error code otherwise.

ad5766_set_pwr_dither()

int32_t ad5766_set_pwr_dither	(	struct ad5766_dev *	dev,
		uint16_t	setting )

Power down the dither block for the selected channels.

Parameters

dev	- The device structure.
setting	- The setting. Accepted values: AD5766_PWDN(x) | AD5766_PWDN(y) | ...

Returns

0 in case of success, negative error code otherwise.

ad5766_set_sw_ldac()

int32_t ad5766_set_sw_ldac	(	struct ad5766_dev *	dev,
		uint16_t	setting )

Set software LDAC for the selected channels.

Parameters

dev	- The device structure.
setting	- The setting. Accepted values: AD5766_LDAC(x) | AD5766_LDAC(y) | ...

Returns

0 in case of success, negative error code otherwise.

ad5766_spi_cmd_write()

int32_t ad5766_spi_cmd_write	(	struct ad5766_dev *	dev,
		uint8_t	cmd,
		uint16_t	data )

SPI command write to device.

Parameters

dev	- The device structure.
cmd	- The command.
data	- The data.

Returns

0 in case of success, negative error code otherwise.

ad5766_spi_readback_reg()

int32_t ad5766_spi_readback_reg	(	struct ad5766_dev *	dev,
		enum ad5766_dac	dac,
		uint32_t *	data )

SPI readback register from device.

Parameters

dev	- The device structure.
dac	- The dac address.
data	- The register data.

Returns

0 in case of success, negative error code otherwise.