Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include <AH/Hardware/Button.hpp>
       4             : #include <Def/Def.hpp>
       5             : #include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
       6             : 
       7             : BEGIN_CS_NAMESPACE
       8             : 
       9             : /**
      10             :  * @brief   A class for latching buttons and switches that send MIDI events.
      11             :  *
      12             :  * The button is debounced.
      13             :  *
      14             :  * @see     Button
      15             :  */
      16             : template <class Sender>
      17             : class MIDIButtonLatching : public MIDIOutputElement {
      18             :   protected:
      19             :     /**
      20             :      * @brief   Construct a new MIDIButtonLatching.
      21             :      *
      22             :      * @param   pin
      23             :      *          The digital input pin with the button connected.
      24             :      *          The internal pull-up resistor will be enabled.
      25             :      * @param   address
      26             :      *          The MIDI address to send to.
      27             :      * @param   sender
      28             :      *          The MIDI sender to use.
      29             :      */
      30           3 :     MIDIButtonLatching(pin_t pin, MIDIAddress address, const Sender &sender)
      31           3 :         : button(pin), address(address), sender(sender) {}
      32             : 
      33             :   public:
      34           1 :     void begin() override { button.begin(); }
      35           4 :     void update() override {
      36           4 :         AH::Button::State state = button.update();
      37           4 :         if (state == AH::Button::Falling || state == AH::Button::Rising) {
      38           2 :             sender.sendOn(address);
      39           2 :             sender.sendOff(address);
      40             :         }
      41           4 :     }
      42             : 
      43             :     AH::Button::State getButtonState() const { return button.getState(); }
      44             : 
      45             :     /// Get the MIDI address.
      46             :     MIDIAddress getAddress() const { return this->address; }
      47             :     /// Set the MIDI address.
      48             :     void setAddress(MIDIAddress address) { this->address = address; }
      49             : 
      50             :   private:
      51             :     AH::Button button;
      52             :     const MIDIAddress address;
      53             : 
      54             :   public:
      55             :     Sender sender;
      56             : };
      57             : 
      58             : END_CS_NAMESPACE