Thanks i found i need rewrite driver of USB to create Endpoint right?and there
are two more questions, how can i get the real time transfer speed of USB? I
did't found any function can do it so i start to rewrite core.py to make it. Is
there any easy way for it? And how can i check the transfer is success? the
device.write return the number of bytes but when i use Unicode like transfer
Chinese the length is different
On Sun, Aug 4, 2013 at 4:30 PM, cheng shen <jimmjimmshen@...> wrote:
> Hi, I'm new for python and want to develop a USB communication module
> which need to transfer data with interrupt mode or bulk mode(large size
> file), then I found Pyusb but I’m so confuse with how to set the
> configuration, interface and endpoint with my preset? Can I use my module
> without libusb? And which software used to trace data transfer of USB port?
I think you will need to go through some tutorials about USB first.
http://www.usbmadesimple.co.uk/
Then go through the pyusb tutorial here.
http://pyusb.sourceforge.net/docs/1.0/tutorial.html
A more advanced pyusb example here.
http://learn.adafruit.com/hacking-the-kinect/
pyusb will depend on libusb (either libusb-0.1/libusb-win32 or
libusb-1.0/libusbx). So you need libusb.
As for USB sniffer, it will depend on the OS you use. Under
Linux, you can use kernel built-in usbmon. Under Windows
you can use various sniffer.
Ref: http://www.microchip.com/forums/m493704.aspx
--
Xiaofan
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