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Fixed overflow

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miguel5612
2020-03-26 11:17:46 -05:00
parent abac48da38
commit 1b351f9495
2 changed files with 15 additions and 7 deletions
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3
src/MQUnifiedsensor.cpp
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@ -41,6 +41,7 @@ void MQUnifiedsensor::serialDebug(bool onSetup)
{
if(onSetup)
{
Serial.println();
Serial.println("************************************************************************************************************************************************");
Serial.println("MQ sensor reading library for arduino");
@ -93,7 +94,7 @@ float MQUnifiedsensor::readSensor()
if(_regressionMethod == "Exponential") _PPM= _a*pow(_ratio, _b);
if(_regressionMethod == "Linear") _PPM= _a*_ratio + _b;
if(_PPM < 0) _PPM = 0; //No negative values accepted or upper datasheet recomendation.
if(_PPM > 10000) _PPM = 9999; //No negative values accepted or upper datasheet recomendation.
//if(_PPM > 10000) _PPM = 99999999; //No negative values accepted or upper datasheet recomendation.
return _PPM;
}
float MQUnifiedsensor::calibrate() {