LEDs.hpp

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/* ✔ */
 
#pragma once
 
#include <AH/Hardware/ExtendedInputOutput/ExtendedInputOutput.hpp>
 
BEGIN_AH_NAMESPACE

template <uint16_t N>
class LEDs {
  public:
    LEDs(const PinList<N> &ledPins) : ledPins(ledPins) {}

    void begin() const {
        for (const pin_t &pin : ledPins)
            ExtIO::pinMode(pin, OUTPUT);
    }

    void displayRange(uint16_t startOn, uint16_t startOff) const {
        for (uint16_t pin = 0; pin < startOn; pin++)
            clear(pin);
        for (uint16_t pin = startOn; pin < startOff; pin++)
            set(pin);
        for (uint16_t pin = startOff; pin < N; pin++)
            clear(pin);
    }

    void set(uint16_t index) const {
        // TODO: bounds check?
        ExtIO::digitalWrite(ledPins[index], HIGH);
    }

    void clear(uint16_t index) const {
        // TODO: bounds check?
        ExtIO::digitalWrite(ledPins[index], LOW);
    }

    void displayDot(uint16_t led) const { displayRange(led, led + 1); }

    void clear() const {
        for (pin_t pin : ledPins)
            ExtIO::digitalWrite(pin, LOW);
    }
 
  private:
    const PinList<N> ledPins;
};
 
END_AH_NAMESPACE