void voltageMeterADCRefresh(void)
{
for (uint8_t i = 0; i < MAX_VOLTAGE_SENSOR_ADC && i < ARRAYLEN(voltageMeterAdcChannelMap); i++) {
voltageMeterADCState_t *state = &voltageMeterADCStates[i];
#ifdef USE_ADC
// store the battery voltage with some other recent battery voltage readings
const voltageSensorADCConfig_t *config = voltageSensorADCConfig(i);
uint8_t channel = voltageMeterAdcChannelMap[i];
uint16_t rawSample = adcGetChannel(channel);
uint16_t filteredSample = biquadFilterApply(&state->filter, rawSample);
// always calculate the latest voltage, see getLatestVoltage() which does the calculation on demand.
state->voltageFiltered = voltageAdcToVoltage(filteredSample, config);
state->voltageUnfiltered = voltageAdcToVoltage(rawSample, config);
#else
UNUSED(voltageAdcToVoltage);
state->voltageFiltered = 0;
state->voltageUnfiltered = 0;
#endif
}
}
// unfiltered - always recalcualates voltage based on last adc sensor reading
uint16_t getLatestVoltageForADCChannel(uint8_t channel)
{
for (uint8_t i = 0; i < MAX_VOLTAGE_METERS && i < ARRAYLEN(voltageMeterAdcChannelMap); i++) {
if (voltageMeterAdcChannelMap[i] == channel) {
voltageMeterState_t *state = &voltageMeterStates[i];
voltageMeterConfig_t *config = voltageMeterConfig(i);
return voltageAdcToVoltage(state->vbatLatestADC, config);
}
}
failureMode(FAILURE_DEVELOPER);
return 0;
}
void voltageMeterUpdate(void)
{
uint16_t vbatSample;
for (uint8_t i = 0; i < MAX_VOLTAGE_METERS && i < ARRAYLEN(voltageMeterAdcChannelMap); i++) {
// store the battery voltage with some other recent battery voltage readings
voltageMeterState_t *state = &voltageMeterStates[i];
voltageMeterConfig_t *config = voltageMeterConfig(i);
uint8_t channel = voltageMeterAdcChannelMap[i];
vbatSample = state->vbatLatestADC = adcGetChannel(channel);
vbatSample = biquadFilterApply(&state->vbatFilterState, vbatSample);
// always calculate the latest voltage, see getLatestVoltage() which does the calculation on demand.
state->vbat = voltageAdcToVoltage(vbatSample, config);
}
}