* Linux MS/TP:
* dlmstp_init:
* Maximize thread priority if permitted
* MSTP_Put_Receive/dlmstp_receive:
* Use a buffer so incoming frames are not dropped during bursts
* dlmstp_receive:
* Make timeout optional
* MSTP_Get_Reply:
* Lock the mutex before using the PDU Queue
* Iterate over all queued replies to find a match (instead of only checking the first)
* Sleep for a millisecond before checking again to wait for the application provide a reply
* RS485_Check_UART_Data:
* Ensure waiter is initilized before using with select
* Ensure bytes are read before adding to FIFO
TSM:
* Add log when `datalink_send_pdu` fails for consistency with all other `datalink_send_pdu` calls
dlenv_maintenance_timer:
* Fix Tx/Rx labels in MSTP statitistics print
* don't log on queued requests
Ryan Mulder
85ba0b2315