MAX7219.hpp

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/* ✔ */
 
#pragma once
 
#include <AH/Settings/Warnings.hpp>
AH_DIAGNOSTIC_WERROR() // Enable errors on warnings
 
#include "StaticSizeExtendedIOElement.hpp"
#include <AH/Containers/BitArray.hpp>
#include <AH/Hardware/LEDs/MAX7219_Base.hpp>
 
BEGIN_AH_NAMESPACE
 
class MAX7219 : public MAX7219_Base, public StaticSizeExtendedIOElement<8 * 8> {
  public:
    MAX7219(pin_t loadPin) : MAX7219_Base(loadPin) {}
 
    void begin() override { init(); }
 
    void pinMode(pin_t pin, uint8_t mode) override __attribute__((deprecated)) {
        (void)pin;
        (void)mode;
    }
 
    void digitalWrite(pin_t pin, uint8_t val) override {
        buffer.set(pin, val);
        update();
    }
 
    int digitalRead(pin_t pin) override { return buffer.get(pin); }
 
    analog_t analogRead(pin_t pin) override __attribute__((deprecated)) {
        return 1023 * digitalRead(pin);
    }
 
    void analogWrite(pin_t pin, analog_t val) override
        __attribute__((deprecated)) {
        digitalWrite(pin, val >= 0x80);
    }
 
    void update() override {
        for (uint8_t i = 0; i < buffer.getBufferLength(); i++)
            sendRaw(i + 1, buffer.getByte(i));
    }
 
  private:
    BitArray<8 * 8> buffer;
};
 
END_AH_NAMESPACE
 
AH_DIAGNOSTIC_POP()