battery.h

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#pragma once
 
#include <esp_adc/adc_oneshot.h>
 
class Robot;
 
namespace Device {
    class Battery {
    private:
        static constexpr const char* TAG = "Device::Battery";
 
        static constexpr adc_channel_t ADC_CHANNEL = ADC_CHANNEL_3;  // GPIO 39
        static constexpr uint8_t NUM_SAMPLES = 50;
 
        Robot& robot;
 
        int8_t percentage;
        uint16_t voltage;
 
    public:
        explicit Battery(Robot& robot);
        ~Battery();

        void initialize();

        void update();

        [[nodiscard]] int8_t get_percentage() const { return percentage; }

        [[nodiscard]] uint16_t get_millivolts() const { return voltage; }
    };
}