mirror of
https://github.com/sigmasternchen/MH-Z-CO2-Sensors
synced 2025-03-15 06:38:55 +00:00
48 lines
723 B
C++
48 lines
723 B
C++
/* MHZ library
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By Tobias Schürg
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*/
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#ifndef MHZ_H
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#define MHZ_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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// Define types of sensors.
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#define MHZ14A 14
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#define MHZ19B 19
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#define STATUS_NO_RESPONSE -2
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#define STATUS_CHECKSUM_MISMATCH -3
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#define STATUS_INCOMPLETE -4
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#include <SoftwareSerial.h>
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class MHZ {
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public:
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MHZ(uint8_t rxpin, uint8_t txpin, uint8_t pwmpin, uint8_t type);
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void setDebug(boolean enable);
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int readCO2UART();
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int readCO2PWM();
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uint8_t getLastTemperature();
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private:
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uint8_t _rxpin, _txpin, _pwmpin, _type, temperature;
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boolean debug = false;
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SoftwareSerial co2Serial;
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byte getCheckSum(byte *packet);
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};
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#endif
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