int temp_get_celsius(channel_tag temp_ch, double *value)
{
int idx = 0;
if (!value) {
return -1;
}
idx = temp_index_lookup(temp_ch);
if (idx < 0) {
return -1;
}
temp_update(temp_ch);
*value = temps[idx].value;
return 0;
}
/*!
Manages motor and heater based on measured temperature:
o If temp is too low, don't start the motor
o Adjust the heater power to keep the temperature at the target
*/
void Heater::manage_temperature()
{
int output, dt;
unsigned long time;
//make sure we know what our temp is.
current_temperature = get_current_temperature();
// ignoring millis rollover for now
time = millis();
dt = time - temp_prev_time;
if (dt > TEMP_UPDATE_INTERVAL)
{
temp_prev_time = time;
output = temp_update(dt);
digitalWrite(DEBUG_PIN, (output > 0)?HIGH:LOW);
analogWrite(outputPin, output);
}
}
