This file contains API for DHT22 Click Driver. More...

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

Data Structures
struct	dht22_t
	Click ctx object definition. More...

struct	dht22_cfg_t
	Click configuration structure definition. More...

Macros
#define	DHT22_RESP_NOT_READY 0

#define	DHT22_RESP_READY 1

#define	DHT22_MAP_MIKROBUS(cfg, mikrobus)
	MikroBUS pin mapping.

Enumerations
enum	dht22_sda_sel_t { DHT22_SDA_SEL_SDA1 , DHT22_SDA_SEL_SDA2 }
	DHT22 Click data pin selector. More...

enum	dht22_return_value_t { DHT22_OK = 0 , DHT22_ERROR = -1 }
	DHT22 Click return value data. More...

Functions
void	dht22_cfg_setup (dht22_cfg_t *cfg)
	DHT22 configuration object setup function.

err_t	dht22_init (dht22_t ctx, dht22_cfg_t cfg)
	DHT22 initialization function.

err_t	dht22_start_signal (dht22_t *ctx)
	DHT22 sends start signal to the sensor function.

err_t	dht22_check_sensor_response (dht22_t *ctx)
	DHT22 release the bus to wait the sensor response signal function.

err_t	dht22_get_sensor_data (dht22_t ctx, uint16_t hum_data, uint16_t *temp_data)
	DHT22 reading data from the sensor function.

err_t	dht22_get_measurement_data (dht22_t ctx, float humidity, float *temperature)
	DHT22 get measurement data from the sensor function.

err_t	dht22_init_sda_input (dht22_t *ctx)
	DHT22 init SDA data pin as input function.

err_t	dht22_init_sda_output (dht22_t *ctx)
	DHT22 init SDA data pin as output function.

Detailed Description

This file contains API for DHT22 Click Driver.

Enumeration Type Documentation

DHT22 Click return value data.

Predefined enum values for driver return values.

Enumerator
DHT22_OK
DHT22_ERROR

DHT22 Click data pin selector.

Predefined enum values for data pin selector.

Enumerator
DHT22_SDA_SEL_SDA1
DHT22_SDA_SEL_SDA2