Abstract/MIDIButtonMatrix.hpp

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#pragma once
 
#include <AH/Hardware/ButtonMatrix.hpp>
#include <Def/Def.hpp>
#include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
 
BEGIN_CS_NAMESPACE
 
template <class Sender, uint8_t nb_rows, uint8_t nb_cols>
class MIDIButtonMatrix : public MIDIOutputElement,
                         public AH::ButtonMatrix<nb_rows, nb_cols> {
 
  protected:
    MIDIButtonMatrix(const PinList<nb_rows> &rowPins,
                     const PinList<nb_cols> &colPins,
                     const AddressMatrix<nb_rows, nb_cols> &addresses,
                     MIDIChannelCN channelCN, const Sender &sender)
        : AH::ButtonMatrix<nb_rows, nb_cols>(rowPins, colPins),
          addresses(addresses), baseChannelCN(channelCN), sender{sender} {}
 
  public:
    void begin() final override { AH::ButtonMatrix<nb_rows, nb_cols>::begin(); }
 
    void update() final override {
        AH::ButtonMatrix<nb_rows, nb_cols>::update();
    }
 
  private:
    void onButtonChanged(uint8_t row, uint8_t col, bool state) final override {
        int8_t address = addresses[row][col];
        if (state == LOW)
            sender.sendOn({address, baseChannelCN});
        else
            sender.sendOff({address, baseChannelCN});
    }
 
    AddressMatrix<nb_rows, nb_cols> addresses;
    MIDIChannelCN baseChannelCN;
 
  public:
    Sender sender;
};
 
END_CS_NAMESPACE