2012/3/3 Yunong Pang <029...@gmail.com>: > It's very strange that when I use a loop to read the data, it will said > "Operation timeout" sometimes. > > For example, the loop I used is as follows, > ret = dev.read(0, 4096, 0, 5) > for i in range(74): > ret += dev.read(0,4096, 0, 5) > > It can read the data successfully, though sometimes "Operation timeout". But > I don't know if it is the best way in Pyusb to read the data. >
If the device has no data to send, timeout will occur. The best approach is to handle the exception and keep trying to read. -- Best Regards, Wander Lairson Costa ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users