2012/2/17 Yunong Pang <029...@gmail.com>: > Hi all, > > I'm writing some code to get data from camera module ov7670. > > I can see the data has been output from the module, as the waveform has > changed when putting different image before the camera. And the EP6, which > is set to be AUTOIN , is full. I have set > > PINFLAGSAB = 0xE6; // FLAGA - fixed EP6PF-EP6 Enable > flag, FLAGB - fixed EP6 Full Flag > > And the flag B is always 1, but I can not read EP6 by > > import usb.core > import sys > dev = usb.core.find(idVendor=0x0547, idProduct=0x1002) > dev.set_configuration() > ret = dev.read(0x86, 1024, 0, 100) > > The error is 'usb.core.USBError: Operation timed out' > > What can I do now? Thanks for your help!
What OS are you using? Please, define the environment variable PYUSB_DEBUG_LEVEL=debug and submit the output.. -- Best Regards, Wander Lairson Costa -- 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
