void start_autotune() {
power = 127;
auto_tune.SetControlType(1);
auto_tune.SetNoiseBand(config.noise_band);
auto_tune.SetOutputStep(127);
auto_tune.SetLookbackSec((int)(config.lookback_min * 60));
Serial.println("Starting Autotune");
tuning = true;
}
void setup() {
pinMode(MOSFET_PIN, OUTPUT);
pinMode(HEAT_ON_LED_PIN, OUTPUT);
pid.SetOutputLimits(-PID_OUTPUT_RANGE, PID_OUTPUT_RANGE);
pid_autotune.SetOutputStep(PID_OUTPUT_RANGE);
pid_autotune.SetControlType(1); // PID control type.
EEPROM.begin(EEPROM_TOTAL_BYTES);
byte* p = (byte*)(void*)&settings;
for (unsigned int i = 0; i < sizeof(settings); i++) {
*p++ = EEPROM.read(EEPROM_SETTINGS_LOCATION + i);
}
update_pid_tunings();
handle_enabled();
}
