Article View: comp.os.ms-windows.programmer.drivers
Article #1Re: Can't send control chars to device on comm port
From: glenc
Date: Sun, 17 Sep 1995 21:14
Date: Sun, 17 Sep 1995 21:14
51 lines
2349 bytes
2349 bytes
Get a copy of the TTY sample in the Windows SDK. Its C but its a good place to start. It can show you the calls for changing the DCB stuff like baud rate and flow control. I hope this helps. Sincerely, Glen Clark ESDL, Inc. In article <43kgvq$bti@alterdial.UU.NET>, <pdamany@vaikunt.com> writes: > Path: news.halcyon.com!nwnews.wa.com!uunet!in2.uu.net!alterdial.uu.net!not-for-mail > From: Poulomi Damany <pdamany@vaikunt.com> > Newsgroups: comp.lang.c++,comp.lang.c,comp.os.ms-windows.programmer.drivers > Subject: Can't send control chars to device on comm port > Date: 18 Sep 1995 19:23:38 GMT > Organization: VTI Corporation > Lines: 19 > Message-ID: <43kgvq$bti@alterdial.UU.NET> > NNTP-Posting-Host: pool013.max1.ffx1.va.dynip.alter.net > X-Newsreader: AIR News 3.X (SPRY, Inc.) > Xref: news.halcyon.com comp.lang.c++:144673 comp.lang.c:144279 comp.os.ms-windows.programmer.drivers:6000 > > We are trying to control a device using a curtom driver written in Microsoft Visual C++ ver 1.52 . The > device is hooked up to the serial comm port using a std RS-232 connection. We want to be able to > > 1. Send characters to a com port. - both control characters such as <ESC> Z or HELLO<cr>. (Typeing > the same in a communications program like PROCOMM or even in Terminal works), but we cannot get > successfully make it work in the C program-seems the <CR><LF> after every line don't get sent properly > > > 2. How can we use the com ports within MS Windows 3.1 at 19,200 baud or > higher using MS Visual C/C++ > > 3. Is there any way to monitor what is going thru the com port. > > 4. How do we set-up handshaking parameters like x-on/x-off > > A sample program which send data through the com port would be appreciated > > > >
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Path: arc1-ca.pugleaf.net!news.halcyon.com!usenet From: glenc@halcyon.com Newsgroups: comp.os.ms-windows.programmer.drivers,comp.lang.c++ Subject: Re: Can't send control chars to device on comm port Date: Sun, 17 Sep 95 14:14:45 PDT Organization: Northwest Nexus Inc. Message-ID: <NEWTNews.31739.811372556.glenc@esdl> References: <43kgvq$bti@alterdial.UU.NET> NNTP-Posting-Host: blv-pm3-ip20.halcyon.com Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Newsreader: NEWTNews & Chameleon -- TCP/IP for MS Windows from NetManage