This file contains API for V to Hz 3 Click Driver. More...

#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_spi_master.h"
#include "spi_specifics.h"
#include "drv_analog_in.h"

Data Structures
struct	vtohz3_t
	V to Hz 3 Click context object. More...

struct	vtohz3_cfg_t
	V to Hz 3 Click configuration object. More...

Macros
#define	VTOHZ3_MAXIMAL_IN_FREQUENCY 1000000
	V to Hz 3 AD7740 input frequency range.

#define	VTOHZ3_MINIMAL_IN_FREQUENCY 32000

#define	VTOHZ3_DEFAULT_IN_FREQUENCY 100000

#define	VTOHZ3_VREF_3V3 3.3
	V to Hz 3 voltage reference selection.

#define	VTOHZ3_VREF_5V 5.0

#define	VTOHZ3_VREF_INTERNAL_2V5 2.5

#define	VTOHZ3_SET_DATA_SAMPLE_EDGE SET_SPI_DATA_SAMPLE_EDGE
	Data sample selection.

#define	VTOHZ3_SET_DATA_SAMPLE_MIDDLE SET_SPI_DATA_SAMPLE_MIDDLE

#define	VTOHZ3_MAP_MIKROBUS(cfg, mikrobus)
	MikroBUS pin mapping.

Enumerations
enum	vtohz3_return_value_t { VTOHZ3_OK = 0 , VTOHZ3_ERROR = -1 }
	V to Hz 3 Click return value data. More...

Functions
void	vtohz3_cfg_setup (vtohz3_cfg_t *cfg)
	V to Hz 3 configuration object setup function.

err_t	vtohz3_init (vtohz3_t ctx, vtohz3_cfg_t cfg)
	V to Hz 3 initialization function.

err_t	vtohz3_set_input_frequency (vtohz3_t *ctx, uint32_t freq)
	V to Hz 3 set input frequency function.

err_t	vtohz3_disable_input_frequency (vtohz3_t *ctx)
	V to Hz 3 disable input frequency function.

void	vtohz3_set_buf_pin (vtohz3_t *ctx, uint8_t state)
	V to Hz 3 set buf pin function.

uint8_t	vtohz3_get_fout_pin (vtohz3_t *ctx)
	V to Hz 3 get fout pin function.

err_t	vtohz3_read_an_pin_value (vtohz3_t ctx, uint16_t data_out)
	V to Hz 3 read AN pin value function.

err_t	vtohz3_read_an_pin_voltage (vtohz3_t ctx, float data_out)
	V to Hz 3 read AN pin voltage level function.

uint32_t	vtohz3_get_frequency (vtohz3_t *ctx, float voltage, float vref_in)
	V to Hz 3 get frequency function.

Detailed Description

This file contains API for V to Hz 3 Click Driver.

Enumeration Type Documentation

V to Hz 3 Click return value data.

Predefined enum values for driver return values.

Enumerator
VTOHZ3_OK
VTOHZ3_ERROR