Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include <AH/Hardware/Button.hpp>
       4             : #include <Banks/BankableMIDIOutput.hpp>
       5             : #include <Def/Def.hpp>
       6             : #include <AH/Containers/Array.hpp>
       7             : #include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
       8             : 
       9             : BEGIN_CS_NAMESPACE
      10             : 
      11             : namespace Bankable {
      12             : 
      13             : /**
      14             :  * @brief   An abstract class for momentary push buttons that send MIDI events.
      15             :  *
      16             :  * The buttons are debounced.
      17             :  * 
      18             :  * @todo    Use BankAddresses?
      19             :  *
      20             :  * @see     Button
      21             :  */
      22             : template <class Sender, uint8_t NUMBER_OF_BUTTONS>
      23           4 : class MIDIButtons : public BankableMIDIOutput, public MIDIOutputElement {
      24             :   protected:
      25             :     /**
      26             :      * @brief   Construct a new MIDIButtons.
      27             :      *
      28             :      * @todo    Documentation
      29             :      */
      30           4 :     MIDIButtons(const OutputBankConfig &config,
      31             :                 const Array<AH::Button, NUMBER_OF_BUTTONS> &buttons,
      32             :                 const MIDICNChannelAddress &baseAddress,
      33             :                 const RelativeMIDICNChannelAddress &incrementAddress,
      34             :                 const Sender &sender)
      35           8 :         : BankableMIDIOutput(config), buttons{buttons},
      36           4 :           baseAddress(baseAddress),
      37          20 :           incrementAddress(incrementAddress), sender{sender} {}
      38             : 
      39             :   public:
      40           2 :     void begin() final override {
      41           6 :         for (auto &button : buttons)
      42           4 :             button.begin();
      43           2 :     }
      44          16 :     void update() final override {
      45          16 :         MIDICNChannelAddress address = baseAddress;
      46          48 :         for (auto &button : buttons) {
      47          32 :             AH::Button::State state = button.update();
      48          32 :             if (state == AH::Button::Falling) {
      49           5 :                 if (!activeButtons)
      50           3 :                     lock(); // Don't allow changing of the bank setting
      51           5 :                 MIDICNChannelAddress sendAddress = address + getAddressOffset();
      52           5 :                 activeButtons++;
      53           5 :                 sender.sendOn(sendAddress);
      54          32 :             } else if (state == AH::Button::Rising) {
      55           5 :                 MIDICNChannelAddress sendAddress = address + getAddressOffset();
      56           5 :                 sender.sendOff(sendAddress);
      57           5 :                 activeButtons--;
      58           5 :                 if (!activeButtons)
      59           3 :                     unlock();
      60           5 :             }
      61          32 :             address += incrementAddress;
      62             :         }
      63          16 :     }
      64             : 
      65             : #ifdef INDIVIDUAL_BUTTON_INVERT
      66             :     void invert() {
      67             :         for (auto &button : buttons)
      68             :             button.invert();
      69             :     }
      70             : #endif
      71             : 
      72             :     AH::Button::State getButtonState(size_t index) const {
      73             :         return buttons[index].getState();
      74             :     }
      75             : 
      76             :   private:
      77             :     Array<AH::Button, NUMBER_OF_BUTTONS> buttons;
      78             :     const MIDICNChannelAddress baseAddress;
      79             :     const RelativeMIDICNChannelAddress incrementAddress;
      80           4 :     uint8_t activeButtons = 0;
      81             : 
      82             :   public:
      83             :     Sender sender;
      84             : };
      85             : 
      86             : } // namespace Bankable
      87             : 
      88             : END_CS_NAMESPACE