Re: using the parallel port

Ok, I've run the outp demo and work perfectly, so it seems that the parallel
port is finally working.
Thank you very much for your time.

2006/7/4, Ian Abbott <abbotti_at_mev.co.uk>:
>
> [Please reply to the list!]
>
> On 04/07/2006 17:39, Raul Herrera wrote:
> > ok, done it, and I've realised that i wan't loading the parport
> > module... now this is part of my script:
> > ---------------------------------
> > # create nods for RTAI
> > mknod -m 666 /dev/rtai_shm c 10 254
> > for n in `seq 0 9`
> > do
> >   f=/dev/rtf$n
> >   mknod -m 666 $f c 150 $n
> > done
> >
> > # Create nods for Comedi
> > for i in `seq 0 15`; do rm /dev/comedi$i; mknod -m 666 /dev/comedi$i c
> > 98 $i; done
> >
> > # load RTAI & Comedi modules
> > insmod /usr/realtime/modules/rtai_hal.ko
> > insmod /usr/realtime/modules/rtai_up.ko
> > insmod /usr/realtime/modules/rtai_fifos.ko
> > insmod /usr/realtime/modules/rtai_sem.ko
> > insmod /usr/realtime/modules/rtai_mbx.ko
> > insmod /usr/realtime/modules/rtai_msg.ko
> > insmod /usr/realtime/modules/rtai_netrpc.ko ThisNode="127.0.0.1"
> > insmod /usr/realtime/modules/rtai_shm.ko
> > insmod /usr/realtime/modules/rtai_leds.ko
> > insmod /usr/realtime/modules/rtai_signal.ko
> > insmod /usr/realtime/modules/rtai_tasklets.ko
> > modprobe comedi
>
> For extra debug messages from 'dmesg' (and the kernel log), try changing
> that to:
>
> modprobe comedi comedi_debug=1
>
> Alternatively, the comedi_debug parameter can be set to 1 any time after
> loading the comedi module as follows:
>
> echo 1 > /sys/modules/comedi/parameters/comedi_debug
>
> > modprobe kcomedilib
> > modprobe comedi_fc
> > modprobe comedi_parport
> > insmod /usr/realtime/modules/rtai_comedi.ko
> >
> > # config parallel port for comedi
> > comedi_config /dev/comedi0 comedi_parport 0x378,7
> > ---------------------------------
> >
> > but when I try to run comedi_test, i get:
> > E: comedi_open("/dev/comedi0"): No such device
>
> Again, 'dmesg' may provide clues, especially with the extra debugging
> turned on above.
>
> --
> -=( Ian Abbott _at_ MEV Ltd.    E-mail: <abbotti_at_mev.co.uk>        )=-
> -=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-
>