Line data    Source code

       1              : #pragma once
       2              : 
       3              : #include <AH/Containers/BitArray.hpp>
       4              : #include <AH/Hardware/Button.hpp>
       5              : #include <Banks/BankableAddresses.hpp>
       6              : #include <Def/Def.hpp>
       7              : #include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
       8              : 
       9              : BEGIN_CS_NAMESPACE
      10              : 
      11              : namespace Bankable {
      12              : 
      13              : /**
      14              :  * @brief   A class for momentary buttons and switches that send MIDI events.
      15              :  *
      16              :  * The button is debounced, and the button is latched (press once to enable, 
      17              :  * press again to disable) (toggle).
      18              :  *
      19              :  * @see     AH::Button
      20              :  */
      21              : template <uint8_t NumBanks, class BankAddress, class Sender>
      22              : class MIDIButtonLatched : public MIDIOutputElement {
      23              :   protected:
      24              :     /**
      25              :      * @brief   Create a new bankable MIDIButtonLatched object on the given pin
      26              :      *          and address.
      27              :      * 
      28              :      * @param   bankAddress
      29              :      *          The bankable MIDI address to send to.
      30              :      * @param   pin
      31              :      *          The digital input pin with the button connected.
      32              :      *          The internal pull-up resistor will be enabled.
      33              :      * @param   sender
      34              :      *          The MIDI sender to use.
      35              :      */
      36            2 :     MIDIButtonLatched(BankAddress bankAddress, pin_t pin, const Sender &sender)
      37            2 :         : address(bankAddress), button(pin), sender(sender) {}
      38              : 
      39              :   public:
      40            0 :     void begin() override { button.begin(); }
      41              : 
      42            0 :     void update() override {
      43            0 :         AH::Button::State state = button.update();
      44            0 :         if (state == AH::Button::Falling)
      45            0 :             toggleState();
      46            0 :     }
      47              : 
      48            0 :     bool toggleState() {
      49            0 :         bool newstate = !getState();
      50            0 :         setState(newstate);
      51            0 :         return newstate;
      52              :     }
      53              : 
      54            0 :     bool getState() const { return states.get(address.getSelection()); }
      55              : 
      56            0 :     void setState(bool state) {
      57            0 :         states.set(address.getSelection(), state);
      58            0 :         if (state) {
      59            0 :             sender.sendOn(address.getActiveAddress());
      60              :         } else {
      61            0 :             sender.sendOff(address.getActiveAddress());
      62              :         }
      63            0 :     }
      64              : 
      65              :     AH::Button::State getButtonState() const { return button.getState(); }
      66              : 
      67              :   protected:
      68              :     BankAddress address;
      69              :     AH::Button button;
      70              :     AH::BitArray<NumBanks> states;
      71              : 
      72              :   public:
      73              :     Sender sender;
      74              : };
      75              : 
      76              : } // namespace Bankable
      77              : 
      78              : END_CS_NAMESPACE