int8 Adc_deinitialize(void)
{
ADC_DISABLE(); // Disable the ADC
ADC_DISABLE_POWER(); // Power off the ADC
ADC_DISABLE_IRQ(); // Disable ADC interrupt
return 0;
}
// ============================= Implementation ================================
FORCE_INLINE void Battery_Task (void) {
#ifdef BAT_CHARGER
if (TimerDelayElapsed(&Battery.ChargeTimer, BAT_CHRG_POLL_PERIOD)) {
// Check if charging just has begun
if (BAT_IS_CHARGING()) {
if (!Battery.IsCharging) {
Battery.IsCharging = true;
EVENT_ChargeStarted();
}
}
else {
if (Battery.IsCharging) {
Battery.IsCharging = false;
EVENT_ChargeEnded();
}
} // if charging
} // Timer
#endif
#ifdef BAT_ADC
switch (Battery.ADCState) {
case ADCNoMeasure:
if (TimerDelayElapsed(&Battery.ADCTimer, BAT_MEASURE_PERIOD)) { // Check if timeout has passed
// Start meter
BATTERY_METER_ON();
ADC_REF_ENABLE(); // Start ADC
ADC_START_MEASUREMENT(); // Start new measure - dummy one for the first time
Battery.ADCState = ADCInit;
}
break;
case ADCInit:
// Check if dummy measurement completed & timeout passed
if (ADC_MEASUREMENT_COMPLETED() && TimerDelayElapsed (&Battery.ADCTimer, ADC_PREPARE_TIMEOUT)) {
ADC_START_MEASUREMENT(); // Start new measure
Battery.ADCValue = 0;
Battery.MeasuresCounter = 0;
Battery.ADCState = ADCMeasuring;
}
break;
case ADCMeasuring:
if (ADC_MEASUREMENT_COMPLETED()) { // Check if current measurement completed
Battery.MeasuresCounter++;
ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
Battery.ADCValue += ADC; // Add ADC result
} // atomic
// Check if series of measurements is completed
if (Battery.MeasuresCounter >= BAT_NUMBER_OF_MEASURES) {
// Disable ADC to save energy
ADC_DISABLE();
ADC_REF_DISABLE();
BATTERY_METER_OFF();
// Prepare result
Battery.ADCValue >>= BAT_POWER_OF_MEASURES;
Battery.ADCState = ADCNoMeasure;
TimerResetDelay(&Battery.ADCTimer);
EVENT_ADCMeasureCompleted();
}
// if not, start measurement again
else ADC_START_MEASUREMENT();
} // if current measurement completed
