Felix Tang wrote :
> Jean,
>
> Well, I've written the dongle driver. I just have a few questions
> about the kernel and debugging.
No problem.
> 1. How do you compile just irda without having to make all the modules?
On my box, make modules ; make modules_install only recompile
what's needed (of course it needs to go through all directories, but
it doesn't recompile the rest).
> 2. How are the order of IRDA_TASK_WAIT and IRDA_TASK_WAIT1 called?
In the order you want. Really.
The only one that matters are IRDA_TASK_INIT (which is the
initial state) and IRDA_TASK_DONE (which indicate that you are
done). You use irda_task_next_state() to indicate which state you want
to be next, so you can control precisely how the state machine runs.
Use "printk()" or "IRDA_DEBUG()" to write messages in the log
(read them via "dmesg").
> 3. It works... I think(irdadump can see two machines discoverying each
> other). How do I make it change baud rates, so it runs above 9600?
First, your driver has to export to the IrDA stack that it
support something higher than 9600 (via qos->baud_rate.bits). Then, at
the time of the LAP connection, the stack will negociate the hishgest
speed for the duration of the connection, and come back to 9600 for
discovery.
> 4. I've currently modified girbil.c (to save trouble with make). How
> should I go about adding it to the makefile?
Just cut'n'paste in Makefile and Config.in. Look in there,
it's actually not so complicated. Don't forget Config.in so that you
can enable it.
> 5. Is this something that should be added to irda for linux?
Always. It doesn't cost much to add that to the kernel.
> Thanks for encouraging me to write it. ;) Anyone wanna know how to make a
> 10 dollar (Canadian) SIR dongle... which is approximately 6.25 US?
Yes, please. Many people should be interested.
> Felix
Have fun...
Jean
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