Quote:
Originally Posted by AndrewJ
My app will test all 255 possible ports at all possible bauds etc to see if it can connect. Just interested in what the system "sees"
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Yep - it would be useful to figure out whether this is a software (i.e. a serial connection is established, but there's something in the data stream that it doesn't like) or hardware (i.e. can't establish a connection at all).
Portmon is a tool that you can use to see what's going on at the interface between the software/operating system and the serial port.
http://technet.microsoft.com/en-us/s.../bb896644.aspx
You can use it to see the stream of bytes being sent/received by the computer, i.e. you'll be able to tell whether Sky X is actually sending/receiving the handshaking bytes from the LX200, or whether it can't connect at all.