adf4106.c File Reference

#include <stdlib.h>
#include "adf4106.h"
#include "no_os_alloc.h"

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Macros
#define	DATA_MASK_MSB8   0xFF0000
#define	DATA_OFFSET_MSB8   16
#define	DATA_MASK_MID8   0xFF00
#define	DATA_OFFSET_MID8   8
#define	DATA_MASK_LSB8   0xFF
#define	DATA_OFFSET_LSB8   0
#define	ADDRESS_MASK   3
#define	FREQ_2_4_GHZ   2400000000u
#define	FREQ_5_2_GHZ   5200000000u

Functions
int8_t	adf4106_init (struct adf4106_dev **device, struct adf4106_init_param init_param)
	Initialize SPI and Initial Values for ADF4106 Board.
int32_t	adf4106_remove (struct adf4106_dev *dev)
	Free the resources allocated by adf4106_init().
void	adf4106_update_latch (struct adf4106_dev *dev, uint32_t latch_data)
	Update one of the latch via the SPI interface.
void	adf4106_init_latch_method (struct adf4106_dev *dev)
	Initialization latch method.
void	adf4106_init_cepin_method (struct adf4106_dev *dev)
	CE Pin method.
void	adf4106_init_counte_reset_method (struct adf4106_dev *dev)
	Counter reset method.
uint32_t	adf4106_read_latch (struct adf4106_dev *dev, uint8_t latch_type)
	Return the value of a desired latch.
uint16_t	adf4106_tune_rcounter (struct adf4106_dev *dev, uint16_t r_counter)
	Increases the R counter value until the ADF4106_PDF_MAX_FREQ is greater than PFD frequency.
uint64_t	adf4106_set_frequency (struct adf4106_dev *dev, uint64_t frequency)
	Sets the output frequency.

Variables
const struct adf4106_chip_info	chip_info []

Macro Definition Documentation

ADDRESS_MASK

#define ADDRESS_MASK   3

DATA_MASK_LSB8

#define DATA_MASK_LSB8   0xFF

DATA_MASK_MID8

#define DATA_MASK_MID8   0xFF00

DATA_MASK_MSB8

#define DATA_MASK_MSB8   0xFF0000

DATA_OFFSET_LSB8

#define DATA_OFFSET_LSB8   0

DATA_OFFSET_MID8

#define DATA_OFFSET_MID8   8

DATA_OFFSET_MSB8

#define DATA_OFFSET_MSB8   16

FREQ_2_4_GHZ

#define FREQ_2_4_GHZ   2400000000u

FREQ_5_2_GHZ

#define FREQ_5_2_GHZ   5200000000u

Function Documentation

adf4106_init()

int8_t adf4106_init	(	struct adf4106_dev **	device,
		struct adf4106_init_param	init_param )

Initialize SPI and Initial Values for ADF4106 Board.

Parameters

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

Returns

success

adf4106_init_cepin_method()

void adf4106_init_cepin_method

(

struct adf4106_dev *

dev

)

CE Pin method.

Parameters

dev	- The device structure.

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adf4106_init_counte_reset_method()

void adf4106_init_counte_reset_method

(

struct adf4106_dev *

dev

)

Counter reset method.

Parameters

dev	- The device structure.

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adf4106_init_latch_method()

void adf4106_init_latch_method

(

struct adf4106_dev *

dev

)

Initialization latch method.

Parameters

dev	- The device structure.

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adf4106_read_latch()

uint32_t adf4106_read_latch	(	struct adf4106_dev *	dev,
		uint8_t	latch_type )

Return the value of a desired latch.

Parameters

dev	- The device structure.
latch_type	- the type of the latch: 0 - 'ADF4106_CTRL_R_COUNTER' 1 - 'ADF4106_CTRL_N_COUNTER' 2 - 'ADF4106_CTRL_FUNCTION_LATCH' 3 - 'ADF4106_CTRL_INIT_LATCH'

Returns

latchValue - the value of the desired latch

adf4106_remove()

int32_t adf4106_remove

(

struct adf4106_dev *

dev

)

Free the resources allocated by adf4106_init().

Parameters

dev	- The device structure.

Returns

0 in case of success, negative error code otherwise.

adf4106_set_frequency()

uint64_t adf4106_set_frequency	(	struct adf4106_dev *	dev,
		uint64_t	frequency )

Sets the output frequency.

Parameters

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

Returns

calculatedFrequency - The actual frequency value that was set.

adf4106_tune_rcounter()

uint16_t adf4106_tune_rcounter	(	struct adf4106_dev *	dev,
		uint16_t	r_counter )

Increases the R counter value until the ADF4106_PDF_MAX_FREQ is greater than PFD frequency.

Parameters

dev	- The device structure.
r_counter	- R counter value.

Returns

rCounter - modified R counter value.

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adf4106_update_latch()

void adf4106_update_latch	(	struct adf4106_dev *	dev,
		uint32_t	latch_data )

Update one of the latch via the SPI interface.

Parameters

dev	- The device structure.
latch_data	- the data which will be written to the latch

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Variable Documentation

chip_info

const struct adf4106_chip_info chip_info[]

Initial value:

= {
    [ID_ADF4001] = {
        .vco_max_frequency = 200000000,           
        .pfd_max_frequency = 55000000,            
        .vco_min_frequency = 5000000,             
        .pfd_min_frequency = 5000000,             
    },
    [ID_ADF4002] = {
        .vco_max_frequency = 400000000,           
        .pfd_max_frequency = 104000000,           
        .vco_min_frequency = 5000000,             
        .pfd_min_frequency = 20000000,            
    },
    [ID_ADF4106] = {
        .vco_max_frequency = 6000000000,          
        .pfd_max_frequency = 104000000,           
        .vco_min_frequency = 500000000,           
        .pfd_min_frequency = 20000000,            
    }
}