Linux Programming

[Igor Gueths]

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Hi. Just a suggestion; try doing ls /dev/dtlk and see what you get. It's entirely possible that the device node doesn't exist, in which case you will have to manually create it.
On Wed, Nov 08, 2006 at 06:08:53AM -0800, Radical NetSurfer wrote:
> This is what I have discovered so far:
> 
> ISA slot #1: 56k Modem
> ISA slot #2: DoubleTalk
> PCI sound/network/etc.
> 
> Activate a terminal.
> Become super-user.
> type:
> /sbin/modprobe dtlk
> and immediately I hear these words coming out of the
> doubletalk card:
> "Doubletalk Found."
> 
> Ok. So far so good you would think.
> echo 'Hello World!' >/dev/dtlk
> echo 'Hello World!' 1>/dev/dtlk
> result in nothing being heard.
> 
> If I exit super-user, I get Permission Denied.
> I know one has to be very careful as super user and
> where you redirect things.
> 
> I wrote me a little gcc program that attempts to
> dtlk = open('/dev/dtlk',O_RDWR);
> and dtlk is always -1, meaning it couldn't find and/or
> open the device
> so that stops me cold.
> 
> On the one hand, apparently Fedora see's my Doubletalk
> card,
> on the other hand, I find no way to access it.
> I do not want to be in super-user mode all the time
> just to access the card, and that should not be
> necessary.
> 
> I did also discover the, as yet not too helpful, 
> C header file located here:
> /usr/include/linux/dtlk.h
> 
> and the modproble module is located where it should
> be:
> /lib/modules/2.6.15-1.2054_FC5/kernel/drivers/char/dtlk.ko
> 
> What I would greatly appreciate is a gcc code snippet
> I could compile that would cause any string I send to
> a function to simply goto the card...
> 
> I am working on downloading what source I get.
> 
> Thanks for the assist.
> 
> //Rich//
> 
> --- Luke Yelavich <themuso at themuso.com> wrote:
> 
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> > On Wed, Nov 08, 2006 at 11:34:19AM EST, Radical
> > NetSurfer wrote:
> > > I have tried all by myself to create a plugin for
> > > Xchat for Linux that would send all the chat text
> > to
> > > an appropriate card. Lets concentrate with
> > Doubletalk
> > > ISA.
> > > 
> > > I am using an inline assembly block. It compiles
> > > perfectly fine. The plugin is accepted and appears
> > to
> > > work only until I initialized the Doubletalk ISA
> > card,
> > > the Xchat abruptly closes.
> > 
> > How about you just use the dtlk module in the
> > kernel, make the /dev/dtlk 
> > device, and send your text to that?
> > 
> > I think that would be a lot easier.
> > - -- 
> > Luke Yelavich
> > GPG key: 0xD06320CE 
> > 	 (http://www.themuso.com/themuso-gpg-key.txt)
> > Email & MSN: themuso at themuso.com
> > Jabber: themuso at jabber.org.au
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> > 
> 
> 
> 
> 
>  
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