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Re: Serial Port [message #41931 is a reply to message #14133]

Tue, 30 November 2004 15:04

Haje Korth
Messages: 651
Registered: May 1997

Senior Member

Have you tried the serial port dlm that is offered in the user contrib
section of the RSI web page?

Haje

"Patrick Dillmann" <patrick.dillmann@gmx.de> wrote in message
news:c10d9338.0411300705.7915ac22@posting.google.com...
> Hi,
>
> I have a problem if I try to read a serial port on a Win 2000 PC. If I
> only send a message to a device everything works fine. But when I use
> the following Code to get an answer IDL hangs up:
>
> val=bytarr(34)
> port='COM1:'
> get_lun, u
> openu, u, port
> text = 'DATA?'+string(13B)
> writeu, u, text
> readu,u,val
> close, u
> free_lun, u
>
> Due to the fact that this code works as expected even for getting an
> answer if I first start and close the Hyper Terminal for this port, I
> believe that I must send some port settings (e.g bits per second,..)
> before sending my code.
>
> If this is the case, how can I initialize a serial port with IDL? Are
> there other possibilities to communicate with a device via a serial
> port?
>
> Thanks,
> Patrick

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[Message index]

		Serial Port By: Bernard Puc on Thu, 28 January 1999 00:00
		Re: Serial Port By: ashmall on Fri, 29 January 1999 00:00
		Re: Serial Port By: ashmall on Fri, 29 January 1999 00:00
		Re: serial port By: David Fanning on Tue, 03 August 2004 05:50
		Re: serial port By: gnarloo on Tue, 03 August 2004 05:24
		Re: serial port By: Rick Towler on Mon, 02 August 2004 13:54
		Re: serial port By: David Fanning on Mon, 02 August 2004 12:58
		Re: serial port By: btt on Mon, 02 August 2004 12:41
		Re: serial port By: gnarloo on Mon, 02 August 2004 11:00
		Re: serial port By: David Fanning on Mon, 02 August 2004 07:50
		Re: Serial Port By: Haje Korth on Tue, 30 November 2004 15:04

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