DHT-sensor-library/DHT.h

33 lines
530 B
C++

#include <WProgram.h>
/* DHT library
MIT license
written by Adafruit Industries
*/
// how many timing transitions we need to keep track of. 2 * number bits + extra
#define MAXTIMINGS 85
#define DHT11 11
#define DHT22 22
#define DHT21 21
#define AM2301 21
class DHT {
private:
uint8_t data[6];
uint8_t _pin, _type;
boolean read(void);
unsigned long _lastreadtime;
boolean firstreading;
public:
DHT(uint8_t pin, uint8_t type);
void begin(void);
float readTemperature(void);
float readHumidity(void);
};