43 lines
728 B
C
43 lines
728 B
C
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//
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// FILE: dht.h
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// VERSION: 0.1.05
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// PURPOSE: DHT Temperature & Humidity Sensor library for Arduino
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//
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// URL: http://playground.arduino.cc/Main/DHTLib
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//
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// HISTORY:
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// see dht.cpp file
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//
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#ifndef dht_h
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#define dht_h
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#if ARDUINO < 100
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#include <WProgram.h>
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#else
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#include <Arduino.h>
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#endif
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#define DHT_LIB_VERSION "0.1.05"
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#define DHTLIB_OK 0
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#define DHTLIB_ERROR_CHECKSUM -1
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#define DHTLIB_ERROR_TIMEOUT -2
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#define DHTLIB_INVALID_VALUE -999
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class dht
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{
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public:
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int read22(uint8_t pin);
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double humidity;
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double temperature;
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private:
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uint8_t bits[5]; // buffer to receive data
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int read(uint8_t pin);
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};
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#endif
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//
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// END OF FILE
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//
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