On 30. 07. 2014 11:52, Xiaofan Chen wrote: > On Wed, Jul 30, 2014 at 2:45 PM, Slavko Kocjancic <esla...@gmail.com> wrote: >> Hello... >> I try to do some async transfer. The program bellow actualy 'near' work. >> It setup 10 transfers and should print the received bytes in callback. >> The problem is that callback is not done at receive complete! >> In example below I expect callback while sleep comand is executed but >> instead got all callbacks when I close device... >> I know that USBPoller/USBPollerThread has something to do with my >> problem but don't know how to use it. >> >> Here is my test program: >> #*************************************************************** >> import usb1,time >> >> def openUsb(vid,pid,name): >> context = usb1.USBContext() >> for dev in context.getDeviceList(skip_on_error=True): >> if (dev.getVendorID()==vid) & (dev.getProductID()==pid): >> if dev.getProduct()==name: >> return dev.open() >> > It seems to me that you are not using pyusb, but rather python-libusb1. > https://github.com/vpelletier/python-libusb1/blob/master/testUSB1.py > > I am not so sure if people in this list are working with > python-libusb1 or not. > > Yes it is python-libusb1 as libusb doesn't handle async transfer at all.
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