Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include <AH/STL/utility> // std::forward
       4             : #include <Def/Def.hpp>
       5             : #include <Def/TypeTraits.hpp>
       6             : #include <MIDI_Outputs/Abstract/EncoderState.hpp>
       7             : #include <MIDI_Outputs/Abstract/MIDIOutputElement.hpp>
       8             : 
       9             : #ifdef ARDUINO
      10             : #include <Submodules/Encoder/AHEncoder.hpp>
      11             : #else
      12             : #include <Encoder.h> // Mock
      13             : #endif
      14             : 
      15             : AH_DIAGNOSTIC_WERROR()
      16             : 
      17             : BEGIN_CS_NAMESPACE
      18             : 
      19             : /**
      20             :  * @brief   An abstract class for rotary encoders that send MIDI events.
      21             :  */
      22             : template <class Enc, class Sender>
      23             : class GenericMIDIRotaryEncoder : public MIDIOutputElement {
      24             :   public:
      25             :     /**
      26             :      * @brief   Construct a new MIDIRotaryEncoder.
      27             :      *
      28             :      * @todo    Documentation
      29             :      */
      30          13 :     GenericMIDIRotaryEncoder(Enc &&encoder, MIDIAddress address,
      31             :                              int16_t speedMultiply, uint8_t pulsesPerStep,
      32             :                              const Sender &sender)
      33          13 :         : encoder(std::forward<Enc>(encoder)), address(address),
      34          26 :           encstate(speedMultiply, pulsesPerStep), sender(sender) {}
      35             : 
      36           0 :     void begin() override { begin_if_possible(encoder); }
      37             : 
      38          32 :     void update() override {
      39          32 :         auto encval = encoder.read();
      40          32 :         if (int16_t delta = encstate.update(encval)) {
      41          29 :             sender.send(delta, address);
      42             :         }
      43          32 :     }
      44             : 
      45             :     void setSpeedMultiply(int16_t speedMultiply) {
      46             :         encstate.setSpeedMultiply(speedMultiply);
      47             :     }
      48             :     int16_t getSpeedMultiply() const { return encstate.getSpeedMultiply(); }
      49             : 
      50             :     /// Get the MIDI address.
      51             :     MIDIAddress getAddress() const { return this->address; }
      52             :     /// Set the MIDI address.
      53             :     void setAddress(MIDIAddress address) { this->address = address; }
      54             : 
      55             :   private:
      56             :     Enc encoder;
      57             :     MIDIAddress address;
      58             :     EncoderState<decltype(encoder.read())> encstate;
      59             : 
      60             :   public:
      61             :     Sender sender;
      62             : };
      63             : 
      64             : template <class Sender>
      65             : using MIDIRotaryEncoder = GenericMIDIRotaryEncoder<AHEncoder, Sender>;
      66             : 
      67             : template <class Sender>
      68             : using BorrowedMIDIRotaryEncoder = GenericMIDIRotaryEncoder<AHEncoder &, Sender>;
      69             : 
      70             : END_CS_NAMESPACE
      71             : 
      72             : AH_DIAGNOSTIC_POP()