/* Declare the transmission with callback on. */
cdc_acm -> ux_slave_class_cdc_acm_transmission_status = UX_TRUE;
/* We are done here. */
return(UX_SUCCESS);
//break;
2、nx_secure_tls_client_handshake.c
case NX_SECURE_TLS_CLIENT_STATE_ALERT_SENT:
/* This means an error was encountered at some point in processing a valid message. At this point
the alert was sent, so just return a status indicating as much. */
return(NX_SECURE_TLS_HANDSHAKE_FAILURE);
//break;