adf4350.c File Reference

Implementation of ADF4350 Driver. More...

#include <malloc.h>
#include <stdio.h>
#include "adf4350.h"
#include "no_os_alloc.h"

Include dependency graph for adf4350.c:

Functions
int32_t	adf4350_write (adf4350_dev *dev, uint32_t data)
	Writes 4 bytes of data to ADF4350.
int32_t	adf4350_sync_config (adf4350_dev *dev)
	Updates the registers values.
int32_t	adf4350_tune_r_cnt (adf4350_dev *dev, uint16_t r_cnt)
	Increases the R counter value until the ADF4350_MAX_FREQ_PFD is greater than PFD frequency.
uint32_t	gcd (uint32_t x, uint32_t y)
	Computes the greatest common divider of two numbers.
int64_t	adf4350_set_freq (adf4350_dev *dev, uint64_t freq)
	Sets the ADF4350 frequency.
int32_t	adf4350_setup (adf4350_dev **device, adf4350_init_param init_param)
	Initializes the ADF4350.
int64_t	adf4350_out_altvoltage0_frequency (adf4350_dev *dev, int64_t Hz)
	Stores PLL 0 frequency in Hz.
int32_t	adf4350_out_altvoltage0_frequency_resolution (adf4350_dev *dev, int32_t Hz)
	Stores PLL 0 frequency resolution/channel spacing in Hz.
int64_t	adf4350_out_altvoltage0_refin_frequency (adf4350_dev *dev, int64_t Hz)
	Sets PLL 0 REFin frequency in Hz.
int32_t	adf4350_out_altvoltage0_powerdown (adf4350_dev *dev, int32_t pwd)
	Powers down the PLL.

Detailed Description

Implementation of ADF4350 Driver.

Author

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

Copyright 2012-2015(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

adf4350_out_altvoltage0_frequency()

int64_t adf4350_out_altvoltage0_frequency	(	adf4350_dev *	dev,
		int64_t	Hz )

Stores PLL 0 frequency in Hz.

Parameters

dev	- The device structure.
Hz	- The selected frequency.

Returns

Returns the selected frequency.

adf4350_out_altvoltage0_frequency_resolution()

int32_t adf4350_out_altvoltage0_frequency_resolution	(	adf4350_dev *	dev,
		int32_t	Hz )

Stores PLL 0 frequency resolution/channel spacing in Hz.

Parameters

dev	- The device structure.
Hz	- The selected frequency.

Returns

Returns the selected frequency.

adf4350_out_altvoltage0_powerdown()

int32_t adf4350_out_altvoltage0_powerdown	(	adf4350_dev *	dev,
		int32_t	pwd )

Powers down the PLL.

Parameters

dev	- The device structure.
pwd	- Power option. Example: 0 - Power up the PLL. 1 - Power down the PLL.

Returns

Returns the PLL's power status.

adf4350_out_altvoltage0_refin_frequency()

int64_t adf4350_out_altvoltage0_refin_frequency	(	adf4350_dev *	dev,
		int64_t	Hz )

Sets PLL 0 REFin frequency in Hz.

Parameters

dev	- The device structure.
Hz	- The selected frequency.

Returns

Returns the selected frequency.

adf4350_set_freq()

int64_t adf4350_set_freq	(	adf4350_dev *	dev,
		uint64_t	freq )

Sets the ADF4350 frequency.

Parameters

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

Returns

calculatedFrequency - The actual frequency value that was set.

adf4350_setup()

int32_t adf4350_setup	(	adf4350_dev **	device,
		adf4350_init_param	init_param )

Initializes the ADF4350.

Parameters

device	- The device structure.
init_param	- The structure containing the device initial parameters.

Returns

Returns 0 in case of success or negative error code.

adf4350_sync_config()

int32_t adf4350_sync_config

(

adf4350_dev *

dev

)

Updates the registers values.

Parameters

dev	- The device structure.

Returns

Returns 0 in case of success or negative error code.

adf4350_tune_r_cnt()

int32_t adf4350_tune_r_cnt	(	adf4350_dev *	dev,
		uint16_t	r_cnt )

Increases the R counter value until the ADF4350_MAX_FREQ_PFD is greater than PFD frequency.

Parameters

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

Returns

Returns 0 in case of success or negative error code.

adf4350_write()

int32_t adf4350_write	(	adf4350_dev *	dev,
		uint32_t	data )

Writes 4 bytes of data to ADF4350.

Parameters

dev	- The device structure.
data	- Data value to write.

Returns

Returns 0 in case of success or negative error code..

gcd()

uint32_t gcd	(	uint32_t	x,
		uint32_t	y )

Computes the greatest common divider of two numbers.

Returns

Returns the gcd.