On 05/03/2013 06:48 PM, Wander Lairson Costa wrote:
> 2013/5/3 I Rabkina <irina.rabk...@gmail.com>:
>> Hello,
>>
>> I am just getting started with pyusb. I need it to send an high/low signal
>> to a DAQ box using USB. Unfortunately, I am coming across a problem within
>> the first few lines of code. Specifically, pyusb can't find the device. I
>> assumed that the error was from having incorrect IDs, but I've checked with
>> the manufacturer and they are correct. Am I doing something incorrect with
>> the code or does pyusb not support this kind of device? The code I'm using
>> is below.
>>
>> import usb.core
>> import usb.util
>>
>> #find the device
>> dev = usb.core.find (idVendor=1307, idProduct=0x82)
>>
>> if dev is None:
>>     raise ValueError ('DAQ not found')
>>
>> dev.set_configuration()
>>

Really?  You reallllly mean to use hex for one and decimal for the other?  You 
may have checked with the manufacturer, but that seems like a needlessly 
confusing way to do things if deliberate....

Cheers,
Karl P


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