lishanpi/bsp/device/led/led_driver.h

#ifndef __LED_DRIVER_H__
#define __LED_DRIVER_H__

#include <cstdint>
#include "bus_core.h"
#include "gpio_driver.h"

class Led {
public:
    Led(GpioPort port, uint32_t pin);
    ~Led() = default;

    Led(const Led &) = delete;
    Led &operator=(const Led &) = delete;

    RetCode init();
    void on();
    void off();
    void toggle();

private:
    GpioBus bus_;
    GpioPin pin_;
};

class LedManager {
public:
    static LedManager &instance();

    RetCode init_all();
    Led &led(uint8_t index);

    LedManager(const LedManager &) = delete;
    LedManager &operator=(const LedManager &) = delete;

private:
    LedManager();
    static constexpr uint8_t LED_COUNT = 4;

    Led led0_{GpioPort::E, 0x08};
    Led led1_{GpioPort::D, 0x80};
    Led led2_{GpioPort::G, 0x08};
    Led led3_{GpioPort::A, 0x20};

    Led *leds_[LED_COUNT] = {&led0_, &led1_, &led2_, &led3_};
};

#endif