mirror of
https://github.com/RobTillaart/Arduino.git
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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#pragma once
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//
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// FILE: dht.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.35
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// PURPOSE: DHT Temperature & Humidity Sensor library for Arduino. AVR optimized
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// URL: https://github.com/RobTillaart/DHTlib
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// http://arduino.cc/playground/Main/DHTLib
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#if ARDUINO < 100
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#include <WProgram.h>
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#include <pins_arduino.h> // fix for broken pre 1.0 version - TODO TEST
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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 (F("0.1.35"))
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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_ERROR_CONNECT -3
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#define DHTLIB_ERROR_ACK_L -4
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#define DHTLIB_ERROR_ACK_H -5
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class dht
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{
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public:
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dht() { _disableIRQ = false; };
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// return values:
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// DHTLIB_OK
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// DHTLIB_ERROR_CHECKSUM
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// DHTLIB_ERROR_TIMEOUT
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// DHTLIB_ERROR_CONNECT
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// DHTLIB_ERROR_ACK_L
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// DHTLIB_ERROR_ACK_H
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int8_t read11(uint8_t pin);
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int8_t read(uint8_t pin);
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int8_t read12(uint8_t pin);
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inline int8_t read21(uint8_t pin) { return read(pin); };
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inline int8_t read22(uint8_t pin) { return read(pin); };
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inline int8_t read33(uint8_t pin) { return read(pin); };
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inline int8_t read44(uint8_t pin) { return read(pin); };
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inline int8_t read2301(uint8_t pin) { return read(pin); };
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inline int8_t read2302(uint8_t pin) { return read(pin); };
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inline int8_t read2303(uint8_t pin) { return read(pin); };
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inline int8_t read2320(uint8_t pin) { return read(pin); };
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inline int8_t read2322(uint8_t pin) { return read(pin); };
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bool getDisableIRQ() { return _disableIRQ; };
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void setDisableIRQ(bool b ) { _disableIRQ = b; };
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float humidity;
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float temperature;
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private:
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uint8_t bits[5]; // buffer to receive data
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int8_t _readSensor(uint8_t pin, uint8_t wakeupDelay, uint8_t leadingZeroBits);
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bool _disableIRQ;
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};
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// -- END OF FILE --
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