STATE_2PARAM_2
next_state = STATE_2PARAM_2;
case STATE_2PARAM_2:
port->state == STATE_2PARAM_2 ||
next_state = STATE_2PARAM_2;
case STATE_2PARAM_2:
port->state == STATE_2PARAM_2 ||
port->state = STATE_2PARAM_2;
case STATE_2PARAM_2: