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battery percentage

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This commit is contained in:
Stepan Usatiuk
2025-10-25 23:31:11 +02:00
parent 96f5b1f0ee
commit 961da2ba33
7 changed files with 227 additions and 211 deletions
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2
Firmware/components/backend-esp/include/cardboy/backend/esp/bat_mon.hpp
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@@ -18,6 +18,7 @@ public:
float get_voltage() const;
float get_charge() const;
float get_current() const;
float get_percentage() const;
void pooler(); // FIXME:
private:
@@ -33,6 +34,7 @@ private:
volatile float _voltage;
volatile float _current;
volatile float _charge;
volatile float _percentage;
TaskHandle_t _pooler_task;
};

4
Firmware/components/backend-esp/src/bat_mon.cpp
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@@ -48,6 +48,8 @@ static constexpr uint16_t DesignCapMah = 180; // 100mOhm
constexpr float mahToCap(float mah) { return mah * (1000.0 / 5.0) * RSense; }
constexpr float capToMah(uint16_t cap) { return cap * (5.0 / 1000.0) / RSense; }
// lsb is 1/256%
constexpr float regToPercent(uint16_t reg) { return static_cast<float>(reg) / 256.0f; }
constexpr float regToCurrent(uint16_t reg) {
return static_cast<float>(static_cast<int16_t>(reg)) * 0.0015625f / RSense; // Convert to mA
}
@@ -103,6 +105,7 @@ void BatMon::pooler() {
_charge = capToMah(ReadRegister(0x05));
_current = regToCurrent(ReadRegister(0x0B));
_voltage = regToVoltage(ReadRegister(0x09));
_percentage = regToPercent(ReadRegister(0x06));
vTaskDelay(pdMS_TO_TICKS(10000));
if (_voltage < 3.0f) {
Shutdowner::get().shutdown();
@@ -113,3 +116,4 @@ void BatMon::pooler() {
float BatMon::get_voltage() const { return _voltage; }
float BatMon::get_charge() const { return _charge; }
float BatMon::get_current() const { return _current; }
float BatMon::get_percentage() const { return _percentage; }

1
Firmware/components/backend-esp/src/esp_backend.cpp
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@@ -78,6 +78,7 @@ public:
[[nodiscard]] float voltage() const override { return BatMon::get().get_voltage(); }
[[nodiscard]] float charge() const override { return BatMon::get().get_charge(); }
[[nodiscard]] float current() const override { return BatMon::get().get_current(); }
[[nodiscard]] float percentage() const override { return BatMon::get().get_percentage(); }
};
class EspRuntime::StorageService final : public cardboy::sdk::IStorage {