open source project need help with USB driver

[bob]

On Friday 13 April 2007 09:45 am, James Knott wrote:
> bob wrote:
> > With parallel ports becoming obsolete on newer computers there is a need
> > to retrofit this hardware to USB.     Pico Tech helps with the following
> > product:
>
> Do USB parallel ports not work?

The group in Brazil has not tried the USB to parallel converter that Pico Tech 
supplies.

As to whether it works one can only assume that since it is a commerical 
product complete with Gatesware drivers that the hardware does work as 
advertised.

The issue at hand is the creation of a Linux driver for that USB to parallel 
converter to allow the legacy DrDAQ devices in the lab in Brazil to continue 
in use with newer computers which no longer have a parallel port.

I'm interfacing with the Pico support people to see if I can get a written 
spec out of them describing the interface to the DrDAQ.

The group in Brazil is currently using the Linux driver that Pico Tech 
supplies for the DrDAQ product connected to a parallel port.    The source 
code for that driver is available and presumably could be perused to reverse 
engineer the above spec.

bob
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