adf4157.c File Reference

Implementation of ADF4157 Driver for Microblaze processor. More...

#include <stdlib.h>
#include "adf4157.h"
#include "adf4157_cfg.h"
#include "no_os_alloc.h"

Include dependency graph for adf4157.c:

Functions
int8_t	adf4157_init (struct adf4157_dev **device, struct adf4157_init_param init_param)
	Initialize the SPI communication with the device.
int32_t	adf4157_remove (struct adf4157_dev *dev)
	Free the resources allocated by adf4157_init().
int8_t	adf4157_set (struct adf4157_dev *dev, uint32_t value)
	Transmits 32 bits on SPI.
int32_t	adf4157_tune_r_cnt (struct adf4157_dev *dev, int32_t r_cnt)
	Increases the R counter value until the PFD frequency is smaller than ADF4351_MAX_FREQ_PFD.
uint32_t	gcd (uint32_t x, uint32_t y)
	Computes the greatest common divider of two numbers.
double	adf4157_set_freq (struct adf4157_dev *dev, double freq)
	Sets the ADF4157 output frequency.

Detailed Description

Implementation of ADF4157 Driver for Microblaze processor.

Author

Lucian Sin (Lucia.nosp@m.n.Si.nosp@m.n@ana.nosp@m.log..nosp@m.com)

Copyright 2013(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

adf4157_init()

int8_t adf4157_init	(	struct adf4157_dev **	device,
		struct adf4157_init_param	init_param )

Initialize the SPI communication with the device.

Parameters

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

Returns

status - Result of the initialization procedure. Example: 0 - if initialization was successful; -1 - if initialization was unsuccessful.

adf4157_remove()

int32_t adf4157_remove

(

struct adf4157_dev *

dev

)

Free the resources allocated by adf4157_init().

Parameters

dev	- The device structure.

Returns

0 in case of success, negative error code otherwise.

adf4157_set()

int8_t adf4157_set	(	struct adf4157_dev *	dev,
		uint32_t	value )

Transmits 32 bits on SPI.

Parameters

dev	- The device structure.
value	- Data which will be transmitted.

adf4157_set_freq()

double adf4157_set_freq	(	struct adf4157_dev *	dev,
		double	freq )

Sets the ADF4157 output frequency.

Parameters

dev	- The device structure.
freq	- The desired frequency value.

Returns

calculatedFrequency - The actual frequency value that was set.

adf4157_tune_r_cnt()

int32_t adf4157_tune_r_cnt	(	struct adf4157_dev *	dev,
		int32_t	r_cnt )

Increases the R counter value until the PFD frequency is smaller than ADF4351_MAX_FREQ_PFD.

Parameters

dev	- The device structure.
r_cnt	- Initial r_cnt value.

Returns

Final r_cnt value.

gcd()

uint32_t gcd	(	uint32_t	x,
		uint32_t	y )

Computes the greatest common divider of two numbers.

Returns

Returns the gcd.