GY-63_MS5611/libraries/MHZCO2/MHZCO2.h
2023-01-07 15:48:40 +01:00

113 lines
1.8 KiB
C++

#pragma once
//
// FILE: MHZCO2.h
// AUTHOR: Rob Tillaart
// VERSION: 0.1.1
// PURPOSE: Arduino Library for MHZ series CO2 sensors
// DATE: 2020-05-05
// URL: https://github.com/RobTillaart/MHZCO2
//
#include "Arduino.h"
#define MHZCO2_LIB_VERSION (F("0.1.1"))
#define MHZCO2_OK 0
#define MHZCO2_TIMEOUT -10
#define MHZCO2_ERROR_CRC -11
class MHZCO2
{
public:
MHZCO2();
// Stream is either a HW or SW serial.
void begin(Stream * str);
uint32_t uptime();
// PPM = 2000, 5000, 10000 (other values unknown)
// check datasheet
void setPPM(uint16_t PPM);
uint16_t getPPM();
// MEASUREMENT
int measure();
uint32_t lastMeasurement();
int getCO2();
int getTemperature();
int getAccuracy();
int getMinCO2();
// CALIBRATION
// USE WITH CARE => READ DATASHEET!
void calibrateZero();
void calibrateSpan(uint16_t span);
void calibrateAuto(bool mode = true);
protected:
Stream * _str;
uint32_t _startTime;
uint32_t _lastMeasurement;
uint16_t _PPM = 0;
int _CO2 = 0;
int _temperature = 0;
int _accuracy = 0;
int _minCO2 = 0;
void send(uint8_t * data, uint8_t len);
int receive(uint8_t * answer);
uint8_t checksum(uint8_t * arr);
};
/////////////////////////////////////////////////////////
//
// DERIVED CLASSES
//
class MHZ1311A : public MHZCO2
{
public:
MHZ1311A();
};
class MHZ19 : public MHZCO2
{
public:
MHZ19();
};
class MHZ19B : public MHZCO2
{
public:
MHZ19B();
};
class MHZ19C : public MHZCO2
{
public:
MHZ19C();
};
class MHZ19D : public MHZCO2
{
public:
MHZ19D();
};
class MHZ19E : public MHZCO2
{
public:
MHZ19E();
};
class MTP40F : public MHZCO2
{
public:
MTP40F();
};
// -- END OF FILE --