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From: Tilmann Reh
Subject: Re: Line-powered EIA-232 interface
Date: Mon, 16 Dec 2002 07:53:21 +0100
Organization: Autometer GmbH
NNTP-Posting-Date: 16 Dec 2002 06:51:55 GMT
X-Mailer: Mozilla 4.78 [de] (Windows NT 5.0; U)
> Danke Tilmann.
Gern geschehen :-)
> I don't need the handshake lines so it could be a solution.
> The comm program running on the PC side was written in Delphi5, using the
> freeware VaComm component.
> It doesn't have any documentation, so I don't know how to control the
> handshake lines.
> Do you know of a Delphi component which allows control of the handshake
> lines under Win2000?
I am using a (free) component named CPort250 (2.50 is the version
information, maybe it has been updated since then). It is very
easy to use, and reasonable powerful. It allows full control over
all handshake lines, and I already made some line-powered and
optically isolated RS232 interface which worked fine that way.
Performs well with every 32-bit Windows (95 up).
I don't remember where I got it from, but if you don't find this
component easily, leave me a message so I can send it by mail.
(You could also ask the experts on borland.public.delphi.winapi)
Dipl.-Ing. Tilmann Reh
Autometer GmbH Siegen - Elektronik nach Maß.
In a world without walls and fences, who needs Windows and Gates ?
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