CCF_100/InfiniTime
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Merge branch 'develop' into pinmap

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This commit is contained in:
hubmartin
2021-08-11 22:00:55 +02:00
parent abd8f343e4 643077341b
commit 0d083a2bea
28 changed files with 553 additions and 276 deletions
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30
src/components/battery/BatteryController.cpp
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@@ -24,7 +24,6 @@ void Battery::Update() {
return;
}
// Non blocking read
samples = 0;
isReading = true;
SaadcInit();
@@ -41,9 +40,9 @@ void Battery::SaadcInit() {
nrf_saadc_channel_config_t adcChannelConfig = {.resistor_p = NRF_SAADC_RESISTOR_DISABLED,
.resistor_n = NRF_SAADC_RESISTOR_DISABLED,
.gain = NRF_SAADC_GAIN1_5,
.gain = NRF_SAADC_GAIN1_4,
.reference = NRF_SAADC_REFERENCE_INTERNAL,
.acq_time = NRF_SAADC_ACQTIME_3US,
.acq_time = NRF_SAADC_ACQTIME_40US,
.mode = NRF_SAADC_MODE_SINGLE_ENDED,
.burst = NRF_SAADC_BURST_ENABLED,
.pin_p = batteryVoltageAdcInput,
@@ -61,22 +60,21 @@ void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) {
APP_ERROR_CHECK(nrfx_saadc_buffer_convert(&saadc_value, 1));
// A hardware voltage divider divides the battery voltage by 2
// ADC gain is 1/5
// thus adc_voltage = battery_voltage / 2 * gain = battery_voltage / 10
// reference_voltage is 0.6V
// ADC gain is 1/4
// thus adc_voltage = battery_voltage / 2 * gain = battery_voltage / 8
// reference_voltage is 600mV
// p_event->data.done.p_buffer[0] = (adc_voltage / reference_voltage) * 1024
voltage = p_event->data.done.p_buffer[0] * 6000 / 1024;
percentRemaining = (voltage - battery_min) * 100 / (battery_max - battery_min);
percentRemaining = std::max(percentRemaining, 0);
percentRemaining = std::min(percentRemaining, 100);
percentRemainingBuffer.Insert(percentRemaining);
voltage = p_event->data.done.p_buffer[0] * (8 * 600) / 1024;
samples++;
if (samples > percentRemainingSamples) {
nrfx_saadc_uninit();
isReading = false;
if (voltage > battery_max) {
percentRemaining = 100;
} else if (voltage < battery_min) {
percentRemaining = 0;
} else {
nrfx_saadc_sample();
percentRemaining = (voltage - battery_min) * 100 / (battery_max - battery_min);
}
nrfx_saadc_uninit();
isReading = false;
}
}