>
> Have a look at the simple device driver I wrote for the Linksys
> Gigadrive's front panel LEDs, etc.
>
> http://people.freebsd.org/~msmith/gigadrive
Thanks! I think I'll be able to make a working driver with your code.
I'd also like to use it on FreeBSD 3.x. When compiling gigadrive there,
the
file device_if.h can't be found. Any ideas to solve this?
>
> This approach should suit you well. I would use a single device node and
> a small set of ioctls for your control interface, as this will keep
> things simple. You could also use a couple of sysctl nodes (this would
> make it possible to talk to it without needing a device node).
What would you suggest? I have no idea what's best.
>
> Let me know if you want more comments on your code...
>
> > I'm writing a device driver for FreeBSD 3.x and 4.x for the application
> > panel of the fujitsu lifebook c4110 notebook (a led, lcd and some
> > buttons). It took me some time to get a working driver (compiles on both
> > 3.x and 4.x), but it's not really clean code. I'd like to rewrite it,
> > but I can't find how to do it properly (the kernel sources don't help me
> > enough). How do I use uimove, DECLARE_MODULE, etc properly? How do I use
> > more than one device in one module?
> > Currently I use outb and inb to access the hardware resources. Should
> > newbus be used in FreeBSD 4.x?
> >
> > Another question is the architecure of the device driver. How exactly
> > should the interface to the device be? Currently, I'm thinking of three
> > devices to control the three different parts /dev/led (led), /dev/lcd
> > (lcd) and /dev/abtn (buttons). Ascii numbers should be written to/read
> > from the character devices. Is this the way to do it, or should system
> > calls be used (harder to use in shell scripts) or binary values?
> >
> > Thanks in advance.
> >
> > Willem van Engen <[EMAIL PROTECTED]>
> >
> > See the application panel project at http://willem.n3.net/fujitsu/
> >
> >
> > To Unsubscribe: send mail to [EMAIL PROTECTED]
> > with "unsubscribe freebsd-hackers" in the body of the message
> >
>
> --
> ... every activity meets with opposition, everyone who acts has his
> rivals and unfortunately opponents also. But not because people want
> to be opponents, rather because the tasks and relationships force
> people to take different points of view. [Dr. Fritz Todt]
> V I C T O R Y N O T V E N G E A N C E
>
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