Serial comm was working but between builds I lost communication

[missinglink]

I have written a short program which was to control serial communication between a Palm dvice and a spectrometer.  On earlier versions of the program I was communicating well but somewhere between builds the communication quit working.  I have rewritten the basic program and this also does not communicate correctly.  The Palm device recognizes the instrument as being connected when I power the instrument on.  I have tested the application on another Palm device and that also does not work.  Is there something else I can test? 

[Andy F.]

Hey missinglink!  I would test the basic functionality of the instrument using a PC is possible.  Try either MAX and VISA sessions or Hyperterminal and see if you can get things to work correctly.  I would also then check the functionality of the serial calls in your program by connecting the Palm to your computer and again use MAX and VISA or Hyperterminal to detect commands.  If you can send commands from the Palm and the instrument can receive calls then it may be that something in the program might be causing issues.  I might consider writing a small program that does a small task for the Palm and see if you can get that to work.  Let me know if you have any questions!

Thanks!
Andy F.