¹عب£»َ wrote:
/proc/bus/usb/001/002 test 13, 3.363831 secs /proc/bus/usb/001/002 test 14 --> 22 (error 22) --------------------------------------------------- You can see that the last test is error.
Anyone who knows what test 14 performs tell me it in detail.
As Martin said, use the source code. The "22" error code is EINVAL. Maybe it's related to the fact that you told "testusb" to use default parameters (all those test runs were too short to have a chance to turn up many errors!), and "gadget zero" doesn't like those for that particular test ... it's using a 256 byte buffer, but the default parameters try to use 512 bytes.
_ Dave
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