Re: /dev/comedi0: No such device

Hi,

I think you have forgotten to do comedi_config for your specific device.

$ comedi_config /dev/comedi0 <decive-id>

> Hi all
>
> I am having trouble opening up my comedi device, an NI 6221. On executing
> the line:
>
> device = comedi_open("/dev/comedi0")
>
> /dev/comedi0: Permission denied
>
> the file /dev/comedi0 has permissions rw-rw---- (660) root root. When I
> change the permissions to rw-rw-rw- (666) I get the error message:
>
> /dev/comedi0: No such device
>
> When I do 'lsmod', it shows that ni_pcimio is loaded.
> We've compiled 0.7.73 on a kernel 2.6.15 on an ubuntu system.
>
> How do I get my program to see the module?  I am assuming that for some
> reason the module can not be seen.
>
> Thank you for the help guys and gals.
>
> George
>


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Received on 2007-08-07Z02:50:39