WAIT_AFTER_SEND
uap->rs485_tx_state = WAIT_AFTER_SEND;
if (uap->rs485_tx_state == WAIT_AFTER_SEND) {
if (uap->rs485_tx_state == WAIT_AFTER_SEND) {
if (uap->rs485_tx_state == WAIT_AFTER_SEND)
if (sport->tx_state == WAIT_AFTER_SEND)
sport->tx_state = WAIT_AFTER_SEND;
sport->tx_state == WAIT_AFTER_SEND) {
if (sport->tx_state == WAIT_AFTER_SEND