This file contains API for PHT Click Driver. More...

#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_i2c_master.h"

Data Structures
struct	pht_t
	PHT Click context object. More...

struct	pht_cfg_t
	PHT Click configuration object. More...

Macros
#define	PHT_RH_CMD_RESET 0xFE
	PHT Command for relative humidity.

#define	PHT_RH_CMD_WRITE_USER_REG 0xE6

#define	PHT_RH_CMD_READ_USER_REG 0xE7

#define	PHT_RH_MEASURE_RH_HOLD 0xE5

#define	PHT_RH_MEASURE_RH_NO_HOLD 0xF5

#define	PHT_PT_CMD_RESET 0x1E
	PHT Command for pressure and temperature.

#define	PHT_PT_CMD_ADC_READ 0x00

#define	PHT_PT_CMD_PROM_READ_P_T_START 0xA0

#define	PHT_PT_CMD_PROM_READ_P_T_END 0xAE

#define	PHT_PT_CMD_RATIO_256 0x00

#define	PHT_PT_CMD_RATIO_512 0x01

#define	PHT_PT_CMD_RATIO_1024 0x02

#define	PHT_PT_CMD_RATIO_2048 0x03

#define	PHT_PT_CMD_RATIO_4096 0x04

#define	PHT_PT_CMD_RATIO_8192 0x05

#define	PHT_PT_MANUFACTURER_RESERVED 0x00
	PHT coefficient for pressure and temperature.

#define	PHT_PT_C1_SENS 0x01

#define	PHT_PT_C2_OFF 0x02

#define	PHT_PT_C3_TCS 0x03

#define	PHT_PT_C4_TCO 0x04

#define	PHT_PT_C5_TREF 0x05

#define	PHT_PT_C6_TEMPSENS 0x06

#define	PHT_PT_CRC 0x07

#define	PHT_SENSOR_TYPE_RH 0x00
	PHT Select output data.

#define	PHT_SENSOR_TYPE_PT 0x01

#define	PHT_I2C_SLAVE_ADDR_RH 0x40
	PHT device address setting.

#define	PHT_I2C_SLAVE_ADDR_P_AND_T 0x76

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

Enumerations
enum	pht_return_value_t { PHT_OK = 0 , PHT_ERROR = -1 }
	PHT Click return value data. More...

Functions
void	pht_cfg_setup (pht_cfg_t *cfg)
	PHT configuration object setup function.

err_t	pht_init (pht_t ctx, pht_cfg_t cfg)
	PHT initialization function.

err_t	pht_generic_write (pht_t ctx, uint8_t reg, uint8_t tx_buf, uint8_t tx_len)
	PHT I2C writing function.

err_t	pht_generic_read (pht_t ctx, uint8_t reg, uint8_t rx_buf, uint8_t rx_len)
	PHT I2C reading function.

void	pht_set_command (pht_t *ctx, uint8_t sensor_type, uint8_t cmd)
	Set Command function.

void	pht_soft_reset (pht_t *ctx, uint8_t sensor_type)
	Soft Reset function.

uint8_t	pht_get_prom (pht_t ctx, uint8_t sel_data, uint32_t tx_data)
	Calibration Data Read function.

uint8_t	pht_set_ratio (pht_t *ctx, uint8_t temp_ratio, uint8_t press_ratio)
	Set Ratio function.

void	pht_reset (pht_t *ctx)
	Reset function.

void	pht_write_user_register (pht_t *ctx, uint8_t tx_data)
	Write User Register function.

uint8_t	pht_read_user_register (pht_t *ctx)
	Raed User Register function.

uint8_t	pht_measure_rh (pht_t ctx, uint16_t rh_data)
	Measure RH function.

void	pht_get_temperature_pressure (pht_t ctx, float temperature, float *pressure)
	Get temperature and pressure function.

void	pht_get_relative_humidity (pht_t ctx, float humidity)
	Get humidity function.

Detailed Description

This file contains API for PHT Click Driver.

Enumeration Type Documentation

PHT Click return value data.

Predefined enum values for driver return values.

Enumerator
PHT_OK
PHT_ERROR