Re: Retrieve modem status:how?

Article View: borland.public.cppbuilder.nativeapi

Article #11644

Back to borland.public.cppbuilder.nativeapi Previous Next

#11644

From: Davide Puccioni
Date: Tue, 27 Jan 2004 16:06

28 lines
2011 bytes


Bob Gonder wrote:

> I would think that what they are calling RLSD is the CD line (Carrier
> Detect).  CD goes away when the modem hangs up. CTS and DSR are almost
> always up (they can fluctuate) as long as the modem has power (you
> need to be able to talk to the modem off-line).
> 
> DSR DataSetReady means the modem has power.
> CTS ClearToSend means the modem is ready to listen to you (not busy
> reseting or processing the last batch of data you sent it, so can't
> take any more right now).
> RING is.well, Ring, the phone is ringing (incoming call).
> That leaves RLSD for "A connection (to another modem) has been
> established".
> 
> 
I've tried to pick a piece of code with GetCommModemStatus() function
that updates a label on main form with current DSR CTS and RLSD values.
When link between modem was established, all three values became 1 
contemporarily.
Hanging up one of the modems, all of them returns to 0.

I don't understand... :-(

Thanks anyway.
Davide.

Technical Details

Message-ID: <40168C96.2050400@nospam.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

References: <40164011.60901@nospam.com> <ie1d10pgtqnaaqdp0bokqdn5m1ghmsegc1@4ax.com>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10cc67,b4799acf7efcb3a
X-Google-Attributes: gid10cc67,public
X-Google-ArrivalTime: 2004-01-27 08:11:14 PST
Message-ID: <40168C96.2050400@nospam.com>
Date: Tue, 27 Jan 2004 17:06:46 +0100
From: Davide Puccioni <davide70@nospam.com>
User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0
X-Accept-Language: en-us, en
MIME-Version: 1.0
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Retrieve modem status:how?
References: <40164011.60901@nospam.com> <ie1d10pgtqnaaqdp0bokqdn5m1ghmsegc1@4ax.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
NNTP-Posting-Host: 82.84.173.65
X-Trace: newsgroups.borland.com 1075219606 82.84.173.65 (27 Jan 2004 08:06:46 -0700)
Lines: 30
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

Reply to Parent Message