This file contains API for DHT22 2 Click driver. More...

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

Data Structures
struct	dht222_t
	Click ctx object definition. More...

struct	dht222_cfg_t
	Click configuration structure definition. More...

Macros
#define	DHT222_MAP_MIKROBUS(cfg, mikrobus)

#define	DHT222_OK 0

#define	DHT222_ERROR -1

#define	DHT222_I2C_ADDRESS_WRITE 0xB8

#define	DHT222_I2C_ADDRESS_READ 0xB9

#define	DHT222_REG_HUMIDITY_MSB 0x00

#define	DHT222_REG_HUMIDITY_LSB 0x01

#define	DHT222_REG_TEMPERATURE_MSB 0x02

#define	DHT222_REG_TEMPERATURE_LSB 0x03

#define	DHT222_REG_MODEL_MSB 0x08

#define	DHT222_REG_MODEL_LSB 0x09

#define	DHT222_REG_VERSION 0x0A

#define	DHT222_REG_DEVICE_ID_3 0x0B

#define	DHT222_REG_DEVICE_ID_2 0x0C

#define	DHT222_REG_DEVICE_ID_1 0x0D

#define	DHT222_REG_DEVICE_ID_0 0x0E

#define	DHT222_REG_STATE 0x0F

#define	DHT222_REG_USER_REG_1_MSB 0x10

#define	DHT222_REG_USER_REG_1_LSB 0x11

#define	DHT222_REG_USER_REG_2_MSB 0x12

#define	DHT222_REG_USER_REG_2_LSB 0x13

#define	DHT222_CMD_READ 0x03

#define	DHT222_CMD_WRITE 0x10

#define	DHT222_TIMEOUT 100000ul

Functions
void	dht222_cfg_setup (dht222_cfg_t *cfg)
	Config Object Initialization function.

err_t	dht222_init (dht222_t ctx, dht222_cfg_t cfg)
	Initialization function.

err_t	dht222_read_reg (dht222_t ctx, uint8_t address, uint8_t data_out, uint8_t len)
	Generic read function.

err_t	dht222_write_reg (dht222_t ctx, uint8_t address, uint8_t data_in, uint8_t len)
	Generic write function.

err_t	dht222_get_temperature (dht222_t ctx, uint16_t temperature)
	Reads temperature from AM2322 sensor.

err_t	dht222_get_humidity (dht222_t ctx, uint16_t humidity)
	Reads humidity from AM2322 sensor.

err_t	dht222_get_temp_hum (dht222_t ctx, uint16_t temperature, uint16_t *humidity)
	Reads temperature and humidity from AM2322 sensor.

Detailed Description

This file contains API for DHT22 2 Click driver.

Data Structures