void SlowCooker::setup(){
pinMode(m_heaterRelayPin, OUTPUT);
pinMode(m_lidSwitchPin, INPUT);
setHeaterState(LOW);
initTempSensor();
}
// run once in main loop, handles reading pin vals
// setting heater on/off
void SlowCooker::loop(){
m_lastLidState = m_lidState;
m_lidState = digitalRead(m_lidSwitchPin);
m_currentTemp = readTemp(); // float in C
if(m_state == STATE_NOT_COOKING)
return;
if(calcHeaterState()){
if(!m_heaterActive){
Serial.println(F("Turning Heater On"));
m_heaterOnTime = millis();
}
setHeaterState(true);
}else{
if(m_heaterActive){
Serial.println(F("Turning Heater Off"));
m_heaterOnTime = millis();
}
setHeaterState(false);
}
// check if cook is finished based on start time.
// if cook time is zero then it will run forever!!!
if(m_cookTime != 0){
long sLeft = (m_cookTime * 60) - ((millis() - m_timeCookStarted)/1000);
if(sLeft <= 0){
stopCook();
m_eventCallback(EVENT_COOK_END);
}
}
// send event if lid has been opened or closed.
if(m_lastLidState && !m_lidState){
m_eventCallback(EVENT_LID_CLOSED);
}else if(!m_lastLidState && m_lidState){
m_eventCallback(EVENT_LID_OPENED);
}
}
// stops cooking, resets counter.
bool SlowCooker::stopCook() {
m_state = STATE_NOT_COOKING;
resetToDefault();
setHeaterState(LOW);
}
/***
* Function: setHeaterOn(void)
* Description: Turn heater on
* Params: none
* Returns: 0 if state was successfully written, 1 if not
***/
byte Si7020::setHeaterOn(void)
{
return setHeaterState(SI7020_HEATER_ON);
}
/***
* Function: setHeaterOff(void)
* Description: Turn heater off
* Params: none
* Returns: 0 if state was successfully written, 1 if not
***/
byte Si7020::setHeaterOff(void)
{
return setHeaterState(SI7020_HEATER_OFF);
}