libdht22/html/dht22_8h_source.html

 #ifndef  __DHT22_SENSOR_H__                                  // Prevents duplicate
 #define  __DHT22_SENSOR_H__                                  // declarations

 #if defined(__cplusplus)                                     // If compiling for C++
 extern "C" {                                                 // Compile for C
 #endif


 // Units of temperature
 #ifndef  CELSIUS
 #define  CELSIUS            0
 #endif

 #ifndef  FAHRENHEIT
 #define  FAHRENHEIT         1
 #endif

 #ifndef  KELVIN
 #define  KELVIN             2
 #endif


 char dht22_read(int dht_pin);


 void dht22_set_timeout_ignore(int dht_pin, char ignore_timeout);


 int dht22_getTemp(char temp_units);


 int dht22_getHumidity();


 #if defined(__cplusplus)
 }                                             // End compile for C block
 #endif
 /* __cplusplus */

 #endif                                        // End prevent duplicate forward
 /* __DHT22_SENSOR_H__ */                      // declarations block


dht22_set_timeout_ignore
void dht22_set_timeout_ignore(int dht_pin, char ignore_timeout)
The function is used to set or clear an ignore timeout instruction for modules connected to the speci...
Definition: dht22.c:22

dht22_getHumidity
int dht22_getHumidity()
Retrieves the last humidity reading made by the read_dht22() function.
Definition: dht22.c:47

dht22_getTemp
int dht22_getTemp(char temp_units)
Retrieves the last temperature reading made by the read_dht22() function.
Definition: dht22.c:36

dht22_read
char dht22_read(int dht_pin)
Triggers a reading from the temperature and humidity from the sensor module.
Definition: dht22.c:53