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              :     MIDIAddress address;
      53              : 
      54              :   public:
      55              :     Sender sender;
      56              : };
      57              : 
      58              : END_CS_NAMESPACE