[argyllcms] Re: Problem accessing HCFR probe

On Wednesday 12 September 2007 05:12, Graeme Gill wrote:

> Your patch is fine as a "proof of concept", but I really think your
> time would be better spent figuring out why Libusb isn't working
> with the HCFR on your system. I'm not sure I can be much help here,
> since it seems to work fine on my system.

I made some tests using /dev/ttyACM0, and I have some problems reading 
color patches : when they are very dark (neer black), I get a reading 
error, but it works fine with brighter color patches.

Did you observe the same with yours? Could it be a usb problem (with my 
patch), or just a sensor problem? How did you use it? Near or far the 
screen?

Thanks,

-- 
   Frédéric

   http://www.gbiloba.org

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