d0/d09/USBMIDI__ESP32_8hpp_source.html

#include <AH/Containers/Array.hpp>

#include <Settings/NamespaceSettings.hpp>


#include <USB.h>

#include <USBMIDI.h>


BEGIN_CS_NAMESPACE


struct ESP32_USBDeviceMIDIBackend {

    using MIDIUSBPacket_t = AH::Array<uint8_t, 4>;


    void begin() {

        backend.begin();

        USB.begin();

    }


    MIDIUSBPacket_t read() {

        midiEventPacket_t packet {0, 0, 0, 0};

        backend.readPacket(&packet);

        return {packet.header, packet.byte1, packet.byte2, packet.byte3};

    }


    void write(MIDIUSBPacket_t p) {

        midiEventPacket_t packet {p[0], p[1], p[2], p[3]};

        backend.writePacket(&packet);

    }


    void sendNow() {}

    bool preferImmediateSend() { return false; }

    USBMIDI backend;

};


END_CS_NAMESPACE

Array.hpp

END_CS_NAMESPACE
#define END_CS_NAMESPACE
Definition Settings/NamespaceSettings.hpp:14

BEGIN_CS_NAMESPACE
#define BEGIN_CS_NAMESPACE
Definition Settings/NamespaceSettings.hpp:11

AH::SPIShiftRegisterOut
A class for serial-in/parallel-out shift registers, like the 74HC595 that are connected to the SPI bu...
Definition SPIShiftRegisterOut.hpp:28

AH::Array< uint8_t, 4 >

ESP32_USBDeviceMIDIBackend
Definition USBMIDI_ESP32.hpp:9

ESP32_USBDeviceMIDIBackend::sendNow
void sendNow()
Transmit the output buffer immediately (not implemented).
Definition USBMIDI_ESP32.hpp:29

ESP32_USBDeviceMIDIBackend::read
MIDIUSBPacket_t read()
Read a single packet. Return a packet of all zeros if there is no packet.
Definition USBMIDI_ESP32.hpp:18

ESP32_USBDeviceMIDIBackend::write
void write(MIDIUSBPacket_t p)
Write a single packet to the output buffer.
Definition USBMIDI_ESP32.hpp:24

ESP32_USBDeviceMIDIBackend::preferImmediateSend
bool preferImmediateSend()
No explicit call to sendNow is required.
Definition USBMIDI_ESP32.hpp:31

ESP32_USBDeviceMIDIBackend::backend
USBMIDI backend
The actual low-level USB MIDI backend provided by the core libraries.
Definition USBMIDI_ESP32.hpp:33

ESP32_USBDeviceMIDIBackend::begin
void begin()
Called once upon initialization.
Definition USBMIDI_ESP32.hpp:13