diff --git a/src/components/battery/BatteryController.cpp b/src/components/battery/BatteryController.cpp index 76ad8cb3..41b4c483 100644 --- a/src/components/battery/BatteryController.cpp +++ b/src/components/battery/BatteryController.cpp @@ -26,7 +26,6 @@ void Battery::Update() { return; } // Non blocking read - samples = 0; isReading = true; SaadcInit(); @@ -45,7 +44,7 @@ void Battery::SaadcInit() { .resistor_n = NRF_SAADC_RESISTOR_DISABLED, .gain = NRF_SAADC_GAIN1_5, .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, @@ -75,14 +74,7 @@ void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) { percentRemaining = std::max(percentRemaining, 0); percentRemaining = std::min(percentRemaining, 100); - percentRemainingBuffer.insert(percentRemaining); - - samples++; - if (samples > percentRemainingSamples) { - nrfx_saadc_uninit(); - isReading = false; - } else { - nrfx_saadc_sample(); - } + nrfx_saadc_uninit(); + isReading = false; } } diff --git a/src/components/battery/BatteryController.h b/src/components/battery/BatteryController.h index 26e24938..84d488ed 100644 --- a/src/components/battery/BatteryController.h +++ b/src/components/battery/BatteryController.h @@ -7,38 +7,6 @@ namespace Pinetime { namespace Controllers { - /** A simple circular buffer that can be used to average - out the sensor values. The total capacity of the CircBuffer - is given as the template parameter N. - */ - template class CircBuffer { - public: - CircBuffer() : arr {}, sz {}, cap {N}, head {} { - } - /** - insert member function overwrites the next data to the current - HEAD and moves the HEAD to the newly inserted value. - */ - void insert(const int num) { - head %= cap; - arr[head++] = num; - if (sz != cap) { - sz++; - } - } - - int GetAverage() const { - int sum = std::accumulate(arr.begin(), arr.end(), 0); - return (sum / sz); - } - - private: - std::array arr; /**< internal array used to store the values*/ - uint8_t sz; /**< The current size of the array.*/ - uint8_t cap; /**< Total capacity of the CircBuffer.*/ - uint8_t head; /**< The current head of the CircBuffer*/ - }; - class Battery { public: Battery(); @@ -47,7 +15,7 @@ namespace Pinetime { void Update(); int PercentRemaining() const { - return percentRemainingBuffer.GetAverage(); + return percentRemaining; } uint16_t Voltage() const { @@ -65,9 +33,6 @@ namespace Pinetime { static Battery* instance; nrf_saadc_value_t saadc_value; - static constexpr uint8_t percentRemainingSamples = 5; - CircBuffer percentRemainingBuffer {}; - static constexpr uint32_t chargingPin = 12; static constexpr uint32_t powerPresentPin = 19; static constexpr nrf_saadc_input_t batteryVoltageAdcInput = NRF_SAADC_INPUT_AIN7; @@ -83,7 +48,6 @@ namespace Pinetime { static void adcCallbackStatic(nrfx_saadc_evt_t const* event); bool isReading = false; - uint8_t samples = 0; }; } }