Re: DKU2 kernel module

[Chris Kemp]

Petri Airio wrote:
> On 04/10/06, Pawel Kot <address@hidden> wrote:
> > Hi,
> >
> > On 10/4/06, Petri Airio <address@hidden> wrote:
> > > Again my goal is to find out a way to send messages to S40 FBUS using
> > > self developed C program. If I have understood it correctly one way to
> > > do this is to use DKU2 kernel module.
> >
> > No. As you noticed previously libusb is also way to go.
>
> Yesterday I tried to find out how to do it with libusb way. Couldn't
> find any examples but the gnokii sourcses themselfs. For me they are
> to complicated I could extract the relevant parts from it and use them
> as example in my own program. So do you know any links to examples
> where libusb is used to communicate with S40 fbus ?
>
> But again to clarify. Is it so, with DKU2 kernel module when it's
> correctly working and you have the device node created. You can just
> open the node normally in C-program with open() and then use
> read()/write() to send data to the fbus ?

Yes, that's correct - but as pkot says, libusb is the way to go and 
compared to getting the fbus comms working yourself, sorting libusb 
should be easy.

> > udev configuration. I think it's either on our wiki or in the docs.
>
> Ok, I'll try to figure out how to configure that.

For the purposes of testing you can of course make the device nodes by 
hand (using mknod).

Regards, Chris