- From: Bernd Porr <BerndPorr_at_f2s.com>
- Date: Thu, 09 Sep 2004 09:36:11 +0100
Hi Holger,
take the USB DUX code as an example.
/Bernd
www: http://www.berndporr.me.uk/
http://www.linux-usb-daq.co.uk/
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Holger Jakob wrote:
> Hello Everyone,
>
> I have a Digital I/O device that uses a 82C55 internally and is connected by
> USB. There is no documentation or development kit available for linux, and
> the vendor (Personal Measurement Device) said that some linux group is
> working on a driver that is not released yet. So I decided to write a linux
> driver on my own. The protocol used for communication via USB is quite simple
> (actually I monitored the USB transfer of the device with a Windows tool).
>
> So, at the present stage I have a small example program that allows me to read
> and write the ports. There is a 32-bit counter as well. To access USB, I use
> libusb. However, the device seems to be a USB-HID device, and is thus claimed
> by the usbhid-module. I think this is supposed to be a much easier way to
> access the device, but I was unable to get anything useful out
> of /dev/usb/hiddev0.
>
> I would like to see this device supported by comedi, so I want to ask here,
> I there is any interest to have this device supported? Because I am no expert
> to the comedi-intera I would also like to know if and how USB devices are
> supported by comedi?
>
> Regards,
> Holger
>
>
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Received on 2004-09-09Z07:36:11