ad7303.h File Reference

Header file of AD7303 Driver. More...

#include <stdint.h>
#include "no_os_spi.h"

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Classes
struct	ad7303_dev
struct	ad7303_init_param

Macros
#define	AD7303_INT   (0 << 7)
#define	AD7303_EXT   (1 << 7)
#define	AD7303_LDAC   (1 << 5)
#define	AD7303_PDB   (1 << 4)
#define	AD7303_PDA   (1 << 3)
#define	AD7303_A   (0 << 2)
#define	AD7303_B   (1 << 2)
#define	AD7303_CR1   (1 << 1)
#define	AD7303_CR0   (1 << 0)

Functions
int8_t	ad7303_init (struct ad7303_dev **device, struct ad7303_init_param init_param)
	Initializes SPI communication. More...
int32_t	ad7303_remove (struct ad7303_dev *dev)
	Free the resources allocated by ad7303_init(). More...
void	ad7303_write (struct ad7303_dev *dev, uint8_t control_reg, uint8_t data_reg)
	Sends data to AD7303. More...

Detailed Description

Header file of AD7303 Driver.

Author

Mihai Bancisor(Mihai.nosp@m..Ban.nosp@m.cisor.nosp@m.@ana.nosp@m.log.c.nosp@m.om)

Copyright 2012(c) Analog Devices, Inc.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Macro Definition Documentation

AD7303_A

#define AD7303_A   (0 << 2)

AD7303_B

#define AD7303_B   (1 << 2)

AD7303_CR0

#define AD7303_CR0   (1 << 0)

AD7303_CR1

#define AD7303_CR1   (1 << 1)

AD7303_EXT

#define AD7303_EXT   (1 << 7)

AD7303_INT

#define AD7303_INT   (0 << 7)

AD7303_LDAC

#define AD7303_LDAC   (1 << 5)

AD7303_PDA

#define AD7303_PDA   (1 << 3)

AD7303_PDB

#define AD7303_PDB   (1 << 4)

Function Documentation

ad7303_init()

int8_t ad7303_init	(	struct ad7303_dev **	device,
		struct ad7303_init_param	init_param
	)

Initializes SPI communication.

Initializes SPI communication.

Parameters

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

Returns

Result of the initialization procedure. Example: -1 - SPI peripheral was not initialized. 0 - SPI peripheral is initialized.

ad7303_remove()

int32_t ad7303_remove

(

struct ad7303_dev *

dev

)

Free the resources allocated by ad7303_init().

Free the resources allocated by ad7303_init().

Parameters

dev	- The device structure.

Returns

0 in case of success, negative error code otherwise.

ad7303_write()

void ad7303_write	(	struct ad7303_dev *	dev,
		uint8_t	control_reg,
		uint8_t	data_reg
	)

Sends data to AD7303.

Sends data to ad7303.

Parameters

dev	- The device structure.
control_reg	- Value of control register. Example: AD7303_INT | AD7303_LDAC | AD7303_A - enables internal reference and loads DAC A input register from shift register and updates both DAC A and DAC B DAC registers.
data_reg	- Value of data register.

Returns

None.