On 05/21/2014 03:36 AM, Wander Lairson Costa wrote:
> 2014-05-20 13:26 GMT-03:00 Slavko Kocjancic <esla...@gmail.com>:
>> Hello...
>>
>> I'm new to python (and pyusb).
>> I try to port some VUSB device to work with python, but get at trouble
>> in beggining. I can't send bytes...
>> here is my example (stripped from manual...)
>>
>> import usb.core
>> import usb.util
>>
>> from array import *
>> dev = usb.core.find(idVendor=0x16c0, idProduct=0x05df)
>> if dev is None:
>> raise ValueError('Device not found')
>> dev.set_configuration()
>>
>> msg = 'test'
>> print dev.ctrl_transfer(32+128, 9, 0, 0, msg)
>>
> I guess the first argument should be just 32.
Well I want write. And bit 7 of first argument tells if this is write or
read.
and msg (at least by manual) behave as buffer for tx, and integer for
size in receive mode.
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