IQK_TX_OK
return IQK_TX_OK;
if (a_ok == IQK_TX_OK) {
if (a_ok == (IQK_TX_OK | IQK_RX_OK)) {
return IQK_TX_OK;
if (s1_ok == IQK_TX_OK) {
if (s1_ok == (IQK_TX_OK | IQK_RX_OK)) {
if (s0_ok == IQK_TX_OK) {
if (s0_ok == (IQK_TX_OK | IQK_RX_OK)) {