Talking of accessing ioctls directly, willnyou able to provide a.few number
of references on this. Like how to access driver ioctls etc. I have
experience in very small driver dev on linux and none on wondows. So a lil
head start would be wonderfuk i you people have time. Thank you.
On Jan 27, 2014 11:54 PM, "Tim Roberts" <t...@probo.com> wrote:
> Judd Taylor wrote:
>
> I've got a big (and late) project that needs to use libusb/libusbx to
> ingest data from a satellite demodulator.
>
> I need async capability, as well as the ability to talk via two different
> logical interfaces via different processes, even through they are on the
> same USB interface (logical interface 1 is a control channel, with an
> IN/OUT EP, and logical interface 2 is the data channel with an IN
> endpoint). I know it's retarded they are on the same USB interface, but I
> can handle this with forking after claim_interface() (I think).
>
> My main problem is in getting a working version of this library. I'm using
> CentOS5 (which can't be changed for other reasons),...
>
>
> CentOS 5 uses the 2.6.18 Linux kernel. It's not impossible that your
> troubles are due to the antiquity of your kernel, and not the interface you
> are using to get to it. The USB kernel support evolved rather dramatically
> through the 2.6 kernels.
>
>
> So it seems I'm stuck between a rock and a hard place here. I can't use
> the old version of libusb (1.0.8) because it's async stuff is racy/broken,
> and I can't use the new libusbx stuff since it won't get past libusb_init().
>
>
> It may be sacrilege to mention it here, but it's not really all that hard
> to code directly to the usbfs ioctls, and that way you have complete
> control over your destiny.
>
> --
> Tim Roberts, t...@probo.com
> Providenza & Boekelheide, Inc.
>
>
>
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