STATE_SYSEX_2
case STATE_SYSEX_2:
next_state = STATE_SYSEX_2;
case STATE_SYSEX_2:
port->state == STATE_SYSEX_2 ||
case STATE_SYSEX_2:
next_state = STATE_SYSEX_2;
case STATE_SYSEX_2:
port->state == STATE_SYSEX_2 ||
case STATE_SYSEX_2:
port->state = STATE_SYSEX_2;
case STATE_SYSEX_2: