mirror of
https://github.com/adafruit/DHT-sensor-library.git
synced 2023-10-23 22:20:38 +03:00
42 lines
845 B
C++
42 lines
845 B
C++
#ifndef DHT_H
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#define DHT_H
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#if ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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/* DHT library
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MIT license
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written by Adafruit Industries
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*/
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// how many timing transitions we need to keep track of. 2 * number bits + extra
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#define MAXTIMINGS 85
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#define DHT11 11
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#define DHT22 22
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#define DHT21 21
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#define AM2301 21
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class DHT {
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private:
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uint8_t data[6];
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uint8_t _pin, _type, _count;
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unsigned long _lastreadtime;
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boolean firstreading;
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public:
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DHT(uint8_t pin, uint8_t type, uint8_t count=6);
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void begin(void);
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float readTemperature(bool S=false);
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float convertCtoF(float);
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float convertFtoC(float);
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float computeHeatIndex(float tempFahrenheit, float percentHumidity, bool isFahrenheit=false);
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float readHumidity(void);
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boolean read(void);
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};
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#endif
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