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https://github.com/miguel5612/MQSensorsLib.git
synced 2025-03-15 05:17:30 +03:00
Added fctn to get name lecture
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miguel5612
parent
8f6b9d4358
commit
92317b3fcd
@ -1,6 +1,5 @@
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#include "MQUnifiedsensor.h"
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MQUnifiedsensor::MQUnifiedsensor(int pin, int type) {
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this->_pin = pin;
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@ -67,11 +66,10 @@
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//_MQ = MQ309;
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}
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}
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void MQUnifiedsensor::setR0(double R0) {
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this->_R0 = R0;
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void MQUnifiedsensor::inicializar()
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{
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pinMode(_pin, INPUT);
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}
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int MQUnifiedsensor::readSensor(String nameLectureRequeired, bool print)
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{
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setSensorCharacteristics(nameLectureRequeired);
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@ -87,78 +85,92 @@ int MQUnifiedsensor::readSensor(String nameLectureRequeired, bool print)
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}
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return _PPM;
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}
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void MQUnifiedsensor::inicializar()
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String MQUnifiedsensor::getnameLecture()
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{
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pinMode(_pin, INPUT);
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return nameLecture[_lecturePosInArray];
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}
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void MQUnifiedsensor::setSensorCharacteristics(String nameLectureRequeired)
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{
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int wantedpos = 0;
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if(nameLectureRequeired == "")
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{
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if(_type == 2)
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{
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wantedpos = defaultMQ2;
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_lecturePosInArray = defaultMQ2;
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}
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else if(_type == 3)
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{
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wantedpos = defaultMQ3;
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_lecturePosInArray = defaultMQ3;
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}
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else if(_type == 4)
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{
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wantedpos = defaultMQ4;
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_lecturePosInArray = defaultMQ4;
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}
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else if(_type == 5)
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{
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wantedpos = defaultMQ5;
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_lecturePosInArray = defaultMQ5;
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}
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else if(_type == 6)
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{
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wantedpos = defaultMQ6;
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_lecturePosInArray = defaultMQ6;
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}
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else if(_type == 7)
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{
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wantedpos = defaultMQ7;
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_lecturePosInArray = defaultMQ7;
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}
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else if(_type == 8)
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{
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wantedpos = defaultMQ8;
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_lecturePosInArray = defaultMQ8;
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}
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else if(_type == 9)
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{
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wantedpos = defaultMQ9;
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_lecturePosInArray = defaultMQ9;
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}
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else if(_type == 131)
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{
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wantedpos = defaultMQ131;
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_lecturePosInArray = defaultMQ131;
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}
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else if(_type == 135)
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{
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wantedpos = defaultMQ135;
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_lecturePosInArray = defaultMQ135;
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}
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else if(_type == 303)
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{
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wantedpos = defaultMQ303;
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_lecturePosInArray = defaultMQ303;
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}
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else if(_type == 309)
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{
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wantedpos = defaultMQ309;
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_lecturePosInArray = defaultMQ309;
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}
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}
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else
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{
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for (int i=0; i<lecturesAvailable; i++) {
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if (nameLectureRequeired = nameLecture[i]) { //modified here
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wantedpos = i;
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_lecturePosInArray = i;
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break;
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}
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}
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}
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_m = _MQ[indexSlopeLectures[wantedpos]];
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_b = _MQ[indexBPointLectures[wantedpos]];
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_m = _MQ[indexSlopeLectures[_lecturePosInArray]];
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_b = _MQ[indexBPointLectures[_lecturePosInArray]];
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}
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int MQUnifiedsensor::readPPM(int m, int b) {
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/**
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* Returns the PPM concentration
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*/
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double sensor_volt = this->getVoltage();
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double RS_gas; //Define variable for sensor resistance
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double ratio; //Define variable for ratio
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RS_gas = ((5.0 * 10.0) / sensor_volt) - 10.0; //Get value of RS in a gas
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ratio = RS_gas / this->_R0; // Get ratio RS_gas/RS_air
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double ppm_log = (log10(ratio) - b) / m; //Get ppm value in linear scale according to the the ratio value
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double ppm = pow(10, ppm_log); //Convert ppm value to log scale
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return floor(ppm);
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}
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double MQUnifiedsensor::calibrate() {
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float sensor_volt; //Define variable for sensor voltage
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float RS_air; //Define variable for sensor resistance
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@ -169,7 +181,6 @@ double MQUnifiedsensor::calibrate() {
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R0 = RS_air / 4.4; //Calculate R0
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return R0;
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}
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double MQUnifiedsensor::getVoltage() {
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double avg = 0.0;
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for (int i = 0; i < retries; i ++) {
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@ -181,20 +192,6 @@ double MQUnifiedsensor::getVoltage() {
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return voltage;
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}
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/**
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* Returns the PPM concentration
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*/
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int MQUnifiedsensor::readPPM(int m, int b) {
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double sensor_volt = this->getVoltage();
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double RS_gas; //Define variable for sensor resistance
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double ratio; //Define variable for ratio
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RS_gas = ((5.0 * 10.0) / sensor_volt) - 10.0; //Get value of RS in a gas
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ratio = RS_gas / this->_R0; // Get ratio RS_gas/RS_air
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double ppm_log = (log10(ratio) - b) / m; //Get ppm value in linear scale according to the the ratio value
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double ppm = pow(10, ppm_log); //Convert ppm value to log scale
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return floor(ppm);
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}
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void MQUnifiedsensor::setR0(double R0) {
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this->_R0 = R0;
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}
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@ -13,24 +13,17 @@ class MQUnifiedsensor
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* Constructor
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*/
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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);
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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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void inicializar();
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/**
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* Calibrates the start point of 400
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*/
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double calibrate();
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/**
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* Returns the voltage
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*/
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double getVoltage();
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double calibrate();
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double getVoltage();
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String getnameLecture();
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/**
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* Returns the PPM concentration
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MQ-2 - Methane, Butane, LPG, smoke
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@ -52,9 +45,9 @@ class MQUnifiedsensor
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/* Index definitions and header names*/
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String nameLecture[lecturesAvailable] = {"H2","LPG","CH4","CO","Alcohol","Propane","Benzine","Hexane","Smoke","Nox","CL2","O3","CO2","Tolueno","NH4","Acetona","Iso-butano","Hydrogeno","Ethanol"};
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int indexSlopeLectures[lecturesAvailable] ={0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36};
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int indexBPointLectures[lecturesAvailable] ={1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37};
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const String nameLecture[lecturesAvailable] = {"H2","LPG","CH4","CO","Alcohol","Propane","Benzine","Hexane","Smoke","Nox","CL2","O3","CO2","Tolueno","NH4","Acetona","Iso-butano","Hydrogeno","Ethanol"};
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const int indexSlopeLectures[lecturesAvailable] ={0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36};
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const int indexBPointLectures[lecturesAvailable] ={1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37};
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const int defaultMQ2 = 4; // LPG
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const int defaultMQ3 = 10; // Alcohol
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const int defaultMQ4 = 6; // CH4
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@ -69,22 +62,22 @@ class MQUnifiedsensor
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const int defaultMQ309 = 8; //CO
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/* Value of m (Slope) and b (Cut on x axis) points */
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double MQ2[38] = {-2.2459,2.9845,-2.2879,2.7901,-2.6208,3.6075,-3.1157,4.5134,-2.7028,3.5595,-2.2879,2.7901,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ3[38] = {0,0,-3.1851,4.7048,-17.531,28.785,-4.339,6.4432,-1.435,0.4103,0,0,-2.7009,0.632,-2.7268,3.6299,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ4[38] = {0,0,-2.5818,3.6303,0.9873,2.6386,-5.5945,5.6693,-11.89,9.0375,0,0,0,0,0,0,-11.189,9.0375,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ5[38] = {-4.368,2.9667,-2.5723,1.8943,-2.4438,2.3044,-4.8188,5.2023,-4.419,4.8044,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ6[38] = {-3.6775,5.0286,-1.6567,2.8775,-1,3.301,-12.791,14.523,-5.8057,7.5292,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ7[38] = {-1.329,1.8864,-7.8626,9.1056,-5.4878,8.8387,-1.4065,2.0162,-6.3219,9.924,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ8[38] = {-0.7152,2.9891,-3.419,7.3513,-7.5609,15.243,-7.0753,15.396,-1.7459,4.7575,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ9[38] = {0,0,-2.2535,2.9855,-1.6012,3.1476,-1.749,2.827,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ131[38] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2.7245,3.3004,-1.0333,1.7117,-1.2037,1.6455,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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double MQ135[38] = {0,0,0,0,0,0,-2.7268,2.301,-2.8608,1.8627,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3.2819,1.9903,-5.7015,1.1612,-2.2119,2.0473,-5.9682,1.0175,0,0,0,0,0,0};
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double MQ303A[38] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2.3543,1.144,-2.4338,0.7558,-2.5597,0.4436};
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double MQ309A[38] = {-2.1311,3.0886,0,0,-1.6554,2.985,-4.7623,6.7413,-3.7686,5.6744,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ2[38] = {-2.2459,2.9845,-2.2879,2.7901,-2.6208,3.6075,-3.1157,4.5134,-2.7028,3.5595,-2.2879,2.7901,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ3[38] = {0,0,-3.1851,4.7048,-17.531,28.785,-4.339,6.4432,-1.435,0.4103,0,0,-2.7009,0.632,-2.7268,3.6299,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ4[38] = {0,0,-2.5818,3.6303,0.9873,2.6386,-5.5945,5.6693,-11.89,9.0375,0,0,0,0,0,0,-11.189,9.0375,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ5[38] = {-4.368,2.9667,-2.5723,1.8943,-2.4438,2.3044,-4.8188,5.2023,-4.419,4.8044,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ6[38] = {-3.6775,5.0286,-1.6567,2.8775,-1,3.301,-12.791,14.523,-5.8057,7.5292,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ7[38] = {-1.329,1.8864,-7.8626,9.1056,-5.4878,8.8387,-1.4065,2.0162,-6.3219,9.924,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ8[38] = {-0.7152,2.9891,-3.419,7.3513,-7.5609,15.243,-7.0753,15.396,-1.7459,4.7575,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ9[38] = {0,0,-2.2535,2.9855,-1.6012,3.1476,-1.749,2.827,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ131[38] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2.7245,3.3004,-1.0333,1.7117,-1.2037,1.6455,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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const double MQ135[38] = {0,0,0,0,0,0,-2.7268,2.301,-2.8608,1.8627,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3.2819,1.9903,-5.7015,1.1612,-2.2119,2.0473,-5.9682,1.0175,0,0,0,0,0,0};
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const double MQ303A[38] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2.3543,1.144,-2.4338,0.7558,-2.5597,0.4436};
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const double MQ309A[38] = {-2.1311,3.0886,0,0,-1.6554,2.985,-4.7623,6.7413,-3.7686,5.6744,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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private:
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int _pin, _type, _PPM;
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int _pin, _type, _PPM, _lecturePosInArray;
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double _R0, _m, _b, _MQ[38];
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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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