Re: [libusb] Zero Length Packet Issue

[Alan S. <st...@ro...>]

On Fri, 21 Mar 2014, Chermak, Dale wrote:

> You need to use a USB analyzer to see whether the device actually sent a ZLP.  That's the only way to determine whether the problem is in the FX2 or in the driver stack.
> 
> I'll get that hooked up this afternoon, though I suspect I will see the ZLP being sent.

In addition, since you have a Linux-based host, you can use usbmon to
see what the host thinks it is receiving.  Instructions are in the
kernel source file Documentation/usb/usbmon.txt.

Alan Stern