Finally got MS/TP communicating on ports/rtos32. I still need to verify that it is doing things correctly since it seems a little slow to respond to service requests. Still more work to do refactoring the state machine.

bacnet-stack/ports/rtos32/main.c

@@ -161,10 +161,8 @@ int main(int argc, char *argv[])
 #ifdef BACDL_MSTP
         dlmstp_task();
 #endif
-#if (defined(BACDL_ETHERNET) || defined(BACDL_BIP))
         /* returns 0 bytes on timeout */
         pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
-#endif
         /* process */
         if (pdu_len) {
             npdu_handler(&src, &Rx_Buf[0], pdu_len);