sw: Renamed RS485 test script and made additions to it
The main additions consist in checking for (and exiting on) wrong RTM detection line readout, which indicates either a missing RTM, or that the Schmitt trigger is a dud. Then, the script also exits when the response of the PTS user to the questions about the connections is a "no". These two changes are both done to not waste time and energy on performing tests on fundamentally wrong test conditions. Finally, the pulses are enabled when performing fail-safe tests (MUX sel lines "11"), since otherwise the test would pass without giving any useful information on this test, as the HDL behaves in the same way if the RS-485 xceivers are disabled or if they are in fail-safe.
Showing with 17 additions and 4 deletions