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https://github.com/miguel5612/MQSensorsLib.git
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69 lines
3.2 KiB
C++
69 lines
3.2 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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//Count of posible lectures
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#define lecturesAvailable 19
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//Index in the nameLecture vector
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#define defaultMQ2 "LPG" // LPG
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#define defaultMQ3 "Alcohol" // Alcohol
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#define defaultMQ4 "CH4" // CH4
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#define defaultMQ5 "H2" //H2
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#define defaultMQ6 "CH4" // CH4
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#define defaultMQ7 "CO" //CO
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#define defaultMQ8 "H2" //H2
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#define defaultMQ9 "LPG" // LPG
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#define defaultMQ131 "O3" //O3
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#define defaultMQ135 "NH4" //NH4
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#define defaultMQ303 "Isobutano" //Isobutano
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#define defaultMQ309 "CO" //CO
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class MQUnifiedsensor
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{
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public:
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MQUnifiedsensor(int pin, int type);
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void inicializar();
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void setR0(double R0);
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void setSensorCharacteristics(String nameLectureReqeuired, bool print);
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void setDefaultGas();
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int readSensor(String nameLectureRequeired = "", bool print = false);
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int readPPM(int m, int b);
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double calibrate();
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double getVoltage();
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double stringToDouble(String & str);
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String getnameLecture();
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//Values consolidated
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/* Gas, Value of m (Slope) and b (Cut on x axis) points */
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const String MQ2[18] = {"H2","-2.2459","2.9845","LPG","-2.2879","2.7901","CO","-2.6208","3.6075","Alcohol","-3.1157","4.5134","Propane","-2.7028","3.5595","Benzene","-2.2879","2.7901"};
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const String MQ3[18] = {"LPG","-3.1851","4.7048","CH4","-17.531","28.785","CO","-4.339","6.4432","Alcohol","-1.435","0.4103","Benzene","-2.7009","0.632","Hexane","-2.7268","3.6299"};
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const String MQ4[15] = {"LPG","-2.5818","3.6303","CH4","0.9873","2.6386","CO","-5.5945","5.6693","Alcohol","-11.89","9.0375","smoke","-11.189","9.0375"};
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const String MQ5[15] = {"H2","-4.368","2.9667","LPG","-2.5723","1.8943","CH4","-2.4438","2.3044","CO","-4.8188","5.2023","Alcohol","-4.419","4.8044"};
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const String MQ6[15] = {"H2","-3.6775","5.0286","LPG","-1.6567","2.8775","CH4","-1","3.301","CO","-12.791","14.523","Alcohol","-5.8057","7.5292"};
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const String MQ7[15] = {"H2","-1.329","1.8864","LPG","-7.8626","9.1056","CH4","-5.4878","8.8387","CO","-1.4065","2.0162","Alcohol","-6.3219","9.924"};
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const String MQ8[15] = {"H2","-0.7152","2.9891","LPG","-3.419","7.3513","CH4","-7.5609","15.243","CO","-7.0753","15.396","Alcohol","-1.7459","4.7575"};
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const String MQ9[9] = {"LPG","-2.2535","2.9855","CH4","-1.6012","3.1476","CO","-1.749","2.827"};
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const String MQ131[9] = {"Nox","-2.7245","3.3004","CL2","-1.0333","1.7117","O3","-1.2037","1.6455"};
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const String MQ135[18] = {"CO","-2.7268","2.301","Alcohol","-2.8608","1.8627","CO2","-3.2819","1.9903","Tolueno","-5.7015","1.1612","NH4","-2.2119","2.0473","Acetona","-5.9682","1.0175"};
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const String MQ303A[9] = {"Iso-butano","-2.3543","1.144","Hydrogeno","-2.4338","0.7558","Ethanol","-2.5597","0.4436"};
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const String MQ309A[12] = {"H2","-2.1311","3.0886","CH4","-1.6554","2.985","CO","-4.7623","6.7413","Alcohol","-3.7686","5.6744"};
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private:
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int _pin, _type, _PPM, _lecturePosInArray;
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double _R0, _m, _b;
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String _MQ[19], __nameLectureRequeired;
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const float VOLT_RESOLUTION = 5.0; // if 3.3v use 3.3
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const int ADC_RESOLUTION = 10; // for 10bit analog to digital converter.
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const int retries = 50;
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const int retry_interval = 20;
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};
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#endif //MQUnifiedsensor_H
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