Re: Udev plus keyboard and mouse (fedora core 5)

[Greg KH <greg@kroah.com>]

On Mon, May 08, 2006 at 06:03:36PM +0200, Nkwebi Peace wrote:
> 
> Hello everyone.. I need help with identifying device files
> for my keyboard and mouse..I am trying to write a c program
> to retrieve access times for my keyboard and mouse and
> wanted to do it using the stat() system call which require
> the file name for each devive file...If they is a better
> way to do it please help with that..The reason I am asking
> is because the /dev drive seems to be populated with many
> ttyXXX files and I can't identify which is which..

Why do you care about the tty files for keyboards?

> The /dev/input directory also has many files and I can't seem to
> locate the correct one..

One of them points back to your keyboard, if you have the event driver
loaded.  Look in /sys/class/input/ to try to figure it out.

> I am running fedora core 5, which I understand uses udev for handling
> device files and their naming..
> 
> The other question I wanted to ask is whether the dynamic
> naming of device files also applies to the keyboard and
> mouse, and can one handle that in a program if device file
> names are not kept static using the udev rules..

You can have persistant names for input devices, as I think Debian has
done that.  Not sure if Fedora has or not, but if not, a few simple rule
additions would do it for you.

good luck,

greg k-h


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