Re: USB driver for PMD 1024LS

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