PollingBLEMIDISender.hpp

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#pragma once
 
#include <Settings/NamespaceSettings.hpp>
 
#include <chrono>
 
#include "BLEAPI.hpp"
#include <MIDI_Interfaces/BLEMIDI/BLEMIDIPacketBuilder.hpp>
 
BEGIN_CS_NAMESPACE

template <class Derived>
class PollingBLEMIDISender {
  public:
    PollingBLEMIDISender() = default;
    PollingBLEMIDISender(const PollingBLEMIDISender &) = delete;
    PollingBLEMIDISender &operator=(const PollingBLEMIDISender &) = delete;
    ~PollingBLEMIDISender();

    void begin();

    struct ProtectedBuilder;
    ProtectedBuilder acquirePacket();
    void releasePacketAndNotify(ProtectedBuilder &lck);

    void sendNow(ProtectedBuilder &lck);

    void updateMTU(uint16_t mtu);
    uint16_t getMinMTU() const { return min_mtu; }
    void forceMinMTU(uint16_t mtu);

    void setTimeout(std::chrono::milliseconds timeout);
 
  private:
    void sendData(BLEDataView) = delete; // should be implemented by subclass
 
  private:
    BLEMIDIPacketBuilder packet;
    unsigned long timeout {10};
    unsigned long packet_start_time {0};
 
  private:
    uint16_t min_mtu {23};
    uint16_t force_min_mtu {515};
 
  public:
    struct ProtectedBuilder {
        BLEMIDIPacketBuilder *packet;
    };
};
 
END_CS_NAMESPACE
 
#include "PollingBLEMIDISender.ipp"