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HumidityController.cpp
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HumidityController.cpp
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#include "HumidityController.h"
void HumidityController::begin(const float& Kp, const float& Ki, const float& Kd)
{
// Initializing the humidity sensor
if (! aht.begin()) {
while (1) delay(10);
}
aht.getEvent(&humidity, &temp);// populate temp and humidity objects with fresh data
// Initializing the potentiometer
digiPot.begin(parameters::pinPot1, parameters::pinPot2, parameters::pinPot3);
//Reset the initial value of the potentiometer
digiPot.reset();
// Setting parameters kP, kI and kD of the PID calculator
pidPot.parametersPID(Kp, Ki, Kd);
// Initializes stopped
stop();
}
void HumidityController::startManualMode(const float& potIntensity)
{
mode = 0;
this->potIntensity = potIntensity;
//The system will work with the determined value, throughout the process
digiPot.set(potIntensity);
}
void HumidityController::startAutomaticMode(const float& relativeHumidity)
{
mode = 1;
//The module takes the relativeHumidity setpoint for the process and uses to determinated the PID value
pidPot.setSetPoint(relativeHumidity);
}
void HumidityController::stop()
{
digiPot.set(0);
}
void HumidityController::run()
{
// Reading the humidity
aht.getEvent(&humidity, &temp);// populate temp and humidity objects with fresh data
if ( mode == 0 )
{
// Do nothing
}
else
{
// Calculating the PID for Fogger
PID = pidPot.run(humidity.relative_humidity);
if( PID == 0.0 )
{
potIntensity = 0;
digiPot.set(potIntensity);
} else if (PID < 0 )
{
/* If the PID value is negative, it means we need to turn the fogger On
so we map the PID value to (0, 100) range. */
potIntensity = map(PID, -100,0,99,0);
digiPot.set(potIntensity);
}else if (PID > 0 )
{
potIntensity = 0;
digiPot.set(potIntensity);
}
}
digiPot.set(potIntensity);
}