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Last Post 24 Jul 2006 03:29 PM by  anon
Opening a Communications (COM) serial port
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anon



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24 Jul 2006 03:29 PM
    I'm interested in opening a serial port connection on my computer to send text commands and retrieve responses. More specifically, I would like to access a COM port from a remote computer location, similar to opening a socket in IDL. First, can anyone supply a few steps to opening a COM port for communication with a device, say on com1 or com2? Secondly, does it seem reasonable that this process could also be performed from a remote computer over a TCP connection? Many thanks. Jon

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    24 Jul 2006 03:29 PM
    I have never tried this module myself, but one of ITTVIS's engineering consultants created a program that enables input/output to the serial port under Windows, and he loaded it for free distribution on ITTVIS's "Code Library" site. Check it out at URL: http://www.ittvis.com/cod...k/search.asp?FID=239 Built in to IDL since several versions now are easy-to-use functions enabling TCP/IP socket communications with remote computers. See particularly Online Help for SOCKET and FILE_POLL_INPUT. The task of communicating with TCP/IP ports is, I believe, far simpler than the task of communicating with serial ports.
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