timr at probo.com
Thu Mar 25 04:41:25 CET 2010
Omer Ihsan <omrihsan at gmail.com> wrote:
>VID and PID is fair enough. now what i want is that i have a threaded
>code that threads two functions to run at the same time. i want each
>function to run seperate devices. the problem is if it doesnt identify
>the attached devices it might run the code on a single device which
>isnt what is required.
Some of the libraries that pyusb uses are not thread-safe, like libusb 0.1.
>how will i be able to run a code on a device of my choice???....you
>can leave away the threading part for now.
You can return all of the devices with a particular VID and PID:
collection = usb.core.find( find_all=True, idVendor=0x1234,
Then you can dish those out to threads using something like the queue
Or, usb.core.find accepts a predicate function that allows you to use any
criteria you wish.
What kind of device are you trying to manipulate? I have a lot of USB
experience -- perhaps I can offer advice.
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.
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