New SysEx example

gistfile1.txt

// Poll USB MIDI Controler and send to serial MIDI
void MIDI_poll()
{
  uint8_t size;

  uint8_t recvBuf[MIDI_EVENT_PACKET_SIZE];
  uint8_t rcode = 0;     //return code
  uint16_t  rcvd;
  uint8_t   readPtr = 0;

  rcode = Midi.RecvData( &rcvd, recvBuf);

  //data check
  if (rcode != 0) return;
  if ( recvBuf[0] == 0 && recvBuf[1] == 0 && recvBuf[2] == 0 && recvBuf[3] == 0 ) {
    return ;
  }

  uint8_t *p = recvBuf;
  while (readPtr < MIDI_EVENT_PACKET_SIZE)  {
    if (*p == 0 && *(p + 1) == 0) break; //data end
    uint8_t outbuf[3];
    uint8_t rc = sysExData.extract(p, outbuf);
    if( rc == 0 ) {
        p++;
        size = Midi.lookupMsgSize(*p);
        _MIDI_SERIAL_PORT.write(p, size);
        p += 3;
    } else {
       _MIDI_SERIAL_PORT.write(outbuf, rc);
        p += 4;
    }
    readPtr += 4;
  }
}