open source project need help with USB driver

[Lennart Sorensen]

On Thu, Apr 12, 2007 at 01:15:26PM -0400, bob wrote:
> I facilitate an open source project which produces software to interface data 
> acquisition units in a physics lab in Brazil.
> 
> http://users.netrover.com/~ican/drdaq
> 
> The hardware that is used is a parallel port driven acquisition unit produced 
> by Pico Technologies:
> 
> http://www.drdaq.com
> 
> There is a Linux driver for this unit.
> 
> 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:
> 
> http://www.picotech.com/usb_parallel_port.html

Is a parallel to USB adapter not simple to get and use?  Would the chip
used in one of those simplify the development a lot?

> ... but as is often the case there are no Linux drivers for this system.   
> Pico Tech produces great hardware but when it comes to Linux support ... 
> let's just say they suck.

I thought USB parallel ports were standard and just worked.  Well I
guess given all the companies screwing up usb-storage, no doubt they can
screw up usb parallel as well.

--
Len Sorensen
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