Hello,
I'm struggling with this module to test my udc.
I loaded the zero driver like the following:
$ modprobe g_zero pattern=1
and loaded usbtest module on the host:
$ modprobe usbtest pattern=1
So I basically use the default parameters for both modules. Specially the
'buflen' parameter for the zero driver is 4096 bytes.
To start the tests, I use the testusb user tool with the wrapper script test.sh.
In this script, the buflen for the host is set to 2048.
I do:
$ DEVICE=... test.sh in
And it fails for test 2. The reason is because the buflen on the host
and the device
are different (2048 for the host and 4096 for the device). So once the host get
the 2048 bytes from the device, it restart the same test and expect
the pattern to
restart to 0, However the device had queued a request of 4096 bytes, so the new
loop still uses the old request which doesn't start to 0.
Could anybody tell me what I'm doing wrong ?
Thanks
--
Francis
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