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Re: serial port [message #40338 is a reply to message #14133]

Mon, 02 August 2004 12:41

btt
Messages: 345
Registered: December 2000

Senior Member

michele wrote:

> okay i try to explain better...
>

Hi,

Although you know the DLM is not working, you can confirm that it is (or is not)
in you DLM path by...

HELP, /DLM

which will spit out all of the currently accessible DLMs (whether loaded or
not). If it doesn't show up in the listing produced by the call to help, then
check your DLM path to make sure it includes the place you put the serial DLM.

PRINT, !DLM_PATH

Of course, you probably know already that the serial DLM is for Windows only.

Ben

> i want to write a program that uses the gps and so i need to read and
> write directly from the serial port.
> on the idl web-site there is a zip file (under user-contributed site,
> section dll and dlm files) that seems to provide what i need.
>
> if you unzip the file you get 4 files:
> serial.dll and serial.dlm (to be put in a specified folder)
> a readme file that is a bit like the help page that describes 4
> functions
> and a c-language source code (it doesn't have a main).
>
> my goal is to be able to use the functions described in the text file:
> these functions are
> comm_open
> comm_read
> comm_write
> comm_close.
>
> all this stuff is achieved through dynamically linked modules, and in
> this case it means that my idl program must be coupled with some piece
> of C-language..
>
> what i did is just putting the dll and dlm files in the right folder,
> and than trying to use the functions as normal idl functions.
> but they are not recognized as functions.
> moreover i didn't use the c source file in any way... but i think i
> should use it.. if it contained a main i could try to spawn it from
> the main idl module but i can't get an executable out of it becuse it
> contains no main...
>
> thanks in advance
>
> michael

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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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