Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include <AH/Hardware/ButtonMatrix.hpp>
       4             : #include <Def/Def.hpp>
       5             : #include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
       6             : 
       7             : BEGIN_CS_NAMESPACE
       8             : 
       9             : /**
      10             :  * @brief   MIDIButtonMatrix
      11             :  * @todo    Documentation.
      12             :  * @see     AH::ButtonMatrix
      13             :  */
      14             : template <class Sender, uint8_t nb_rows, uint8_t nb_cols>
      15           3 : class MIDIButtonMatrix : public MIDIOutputElement,
      16             :                          public AH::ButtonMatrix<nb_rows, nb_cols> {
      17             : 
      18             :   protected:
      19             :     /**
      20             :      * @brief   Construct a new MIDIButtonMatrix.
      21             :      * 
      22             :      * @param   rowPins
      23             :      *          A list of pin numbers connected to the rows of the button
      24             :      *          matrix.  
      25             :      *          **⚠** These pins will be driven LOW as outputs (Lo-Z).
      26             :      * @param   colPins
      27             :      *          A list of pin numbers connected to the columns of the button
      28             :      *          matrix.  
      29             :      *          These pins will be used as inputs (Hi-Z), and the internal 
      30             :      *          pull-up resistor will be enabled.
      31             :      * @param   addresses
      32             :      *          A matrix containing the address corresponding to each button.
      33             :      * @param   channelCN
      34             :      *          The MIDI channel and optional cable number for all buttons.
      35             :      * @param   sender
      36             :      *          The MIDI sender to use.
      37             :      */
      38           3 :     MIDIButtonMatrix(const PinList<nb_rows> &rowPins,
      39             :                      const PinList<nb_cols> &colPins,
      40             :                      const AddressMatrix<nb_rows, nb_cols> &addresses,
      41             :                      MIDIChannelCN channelCN, const Sender &sender)
      42           3 :         : AH::ButtonMatrix<nb_rows, nb_cols>(rowPins, colPins),
      43           6 :           addresses(addresses), baseChannelCN(channelCN), sender{sender} {}
      44             : 
      45             :   public:
      46           1 :     void begin() final override { AH::ButtonMatrix<nb_rows, nb_cols>::begin(); }
      47             : 
      48           2 :     void update() final override {
      49           2 :         AH::ButtonMatrix<nb_rows, nb_cols>::update();
      50           2 :     }
      51             : 
      52             :   private:
      53           2 :     void onButtonChanged(uint8_t row, uint8_t col, bool state) final override {
      54           2 :         int8_t address = addresses[row][col];
      55           2 :         if (state == LOW)
      56           1 :             sender.sendOn({address, baseChannelCN});
      57             :         else
      58           1 :             sender.sendOff({address, baseChannelCN});
      59           2 :     }
      60             : 
      61             :     AddressMatrix<nb_rows, nb_cols> addresses;
      62             :     MIDIChannelCN baseChannelCN;
      63             : 
      64             :   public:
      65             :     Sender sender;
      66             : };
      67             : 
      68             : END_CS_NAMESPACE