mirror of
https://github.com/miguel5612/MQSensorsLib.git
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75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
#ifndef MQUnifiedsensor_H
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#define MQUnifiedsensor_H
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#include <Arduino.h>
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#include <stdint.h>
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#include <float.h>
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#include <math.h>
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// Maximum coefficients allowed for the regression model
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#define MQ_MAX_A 1e30
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#define MQ_MAX_B 100.0
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/***********************Software Related Macros************************************/
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class MQUnifiedsensor
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{
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public:
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MQUnifiedsensor(String Placa = "Arduino", float Voltage_Resolution = 5, int ADC_Bit_Resolution = 10, int pin = 1, String type = "CUSTOM MQ");
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MQUnifiedsensor(String Placa = "Arduino", String type = "CUSTOM MQ");
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//Functions to set values
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void init();
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void update();
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void externalADCUpdate(float volt);
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void setR0(float R0 = 10);
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void setRL(float RL = 10);
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void setA(float a);
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void setB(float b);
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void setRegressionMethod(int regressionMethod);
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void setVoltResolution(float voltage_resolution = 5);
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void setVCC(float vcc = 5);
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void setPin(int pin = 1);
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void serialDebug(bool onSetup = false); //Show on serial port information about sensor
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void setADC(int value); //For external ADC Usage
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//user functions
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float calibrate(float ratioInCleanAir, float correctionFactor = 0.0);
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float readSensor(bool isMQ303A = false, float correctionFactor = 0.0, bool injected=false);
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float readSensorR0Rs(float correctionFactor = 0.0);
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float validateEcuation(float ratioInput = 0);
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//get function for info
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float getA();
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float getB();
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float getR0();
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float getRL();
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float getVoltResolution();
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float getVCC();
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String getRegressionMethod();
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float getVoltage(bool read = true, bool injected = false, int value = 0);
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float stringTofloat(String & str);
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// functions for testing
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float getRS();
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float setRsR0RatioGetPPM(float value);
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private:
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/************************Private vars************************************/
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byte _pin = 1;
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byte _firstFlag = false;
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float _VOLT_RESOLUTION = 5.0; // if 3.3v use 3.3
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float _VCC = 5.0; // Sensor supply voltage
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float _RL = 10; //Value in KiloOhms
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byte _ADC_Bit_Resolution = 10;
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byte _regressionMethod = 1; // 1 -> Exponential || 2 -> Linear
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float _adc, _a, _b, _sensor_volt;
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float _R0, RS_air, _ratio, _PPM, _RS_Calc;
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char _type[7];
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char _placa[20];
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};
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#endif //MQUnifiedsensor_H
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