leds.h

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#pragma once
#include "../config/config.h"
#include <stdint.h>
 
namespace modules {
 
namespace leds {
 
enum Mode {
    off,
    on,
    blink0, 
    blink1 
};
 
enum Color {
    red = 0,
    green = 1
};
 
class LED {
public:
    constexpr inline LED() = default;
 
    void SetMode(leds::Mode mode);
 
    inline leds::Mode Mode() const { return (leds::Mode)state.mode; }
 
    bool Step(bool oddPeriod);
 
    inline bool On() const { return state.on; }
 
private:
    struct State {
        uint8_t on : 1;
        uint8_t mode : 2;
        constexpr inline State()
            : on(0)
            , mode(leds::Mode::off) {}
    };
 
    State state;
};
 
class LEDs {
public:
    constexpr inline LEDs() = default;
 
    void Step();
 
    inline constexpr uint8_t LedPairsCount() const { return ledPairs; }
 
    inline void SetMode(uint8_t slot, Color color, Mode mode) {
        SetMode(slot * 2 + color, mode);
    }
 
    inline void SetMode(uint8_t index, Mode mode) {
        leds[index].SetMode(mode);
    }
 
    inline leds::Mode Mode(uint8_t slot, Color color) {
        return Mode(slot * 2 + color);
    }
 
    inline leds::Mode Mode(uint8_t index) {
        return leds[index].Mode();
    }
 
    inline bool LedOn(uint8_t index) const {
        return leds[index].On();
    }
 
    inline bool LedOn(uint8_t slot, Color color) const {
        return leds[slot * 2 + color].On();
    }
 
    void SetPairButOffOthers(uint8_t activeSlot, modules::leds::Mode greenMode, modules::leds::Mode redMode);
 
    void SetAllOff();
 
private:
    constexpr static const uint8_t ledPairs = config::toolCount;
    LED leds[ledPairs * 2];
 
    uint16_t cachedState = 0;
};
 
extern LEDs leds;
 
} // namespace LEDs
} // namespace modules
 
namespace ml = modules::leds;