On Wed, 15 Mar 2006, Alan Stern wrote: > On Tue, 14 Mar 2006, Marc Singer wrote:
> > Using the test.sh script, I get a different result. According to USBMON, > > the test transmits the following: > > > > e0865c40 984311403 S Co:057:00 s 01 0b 0000 0000 0000 0 > > e0865c40 984318037 C Co:057:00 0 0 > > e0865c40 984320233 S Co:057:00 s 40 5b 0000 0000 0100 256 = 00010203 > > 04050607 08090a0b 0c0d0e0f 10111213 14151617 18191a1b 1c1d1ee0865c40 > > 984321033 C Co:057:00 -32 8 > > > e0865c40 984328828 S Co:057:00 s 01 0b 0000 0000 0000 0 > > e0865c40 984336037 C Co:057:00 0 0 > > e0865c40 984338146 S Co:057:00 s 40 5b 0000 0000 0100 256 = 00010203 > > 04050607 08090a0b 0c0d0e0f 10111213 14151617 18191a1b 1c1d1ee0865c40 > > 984339034 C Co:057:00 -32 8 > > > > > What's odd is that there is no reponse from the UDC. The dmesg output > > on the host shows this: > > No, what's odd is that the log shows the same URB being submitted twice > with no completion in between (lines 3 and 4 above). (Maybe that's what > you meant by "no response from the UDC".) A line must have gotten dropped > from the log; usbcore should be smart enough to reject an URB submission > while the URB is still in progress. Forget I wrote this. I failed to notice that the entries actually were there, just with no preceding newline. > > usbtest 2-2:3.0: TEST 14: 15000 ep0out, 1..256 vary 1 > > usbtest 2-2:3.0: ctrl_out, wlen -32 (expected 256) > > > > So is this a problem with the test code? No. This test uses vendor-specific requests, which are supported by g_zero but not other gadget drivers. If you're using g_zero to drive the gadget, then there must be something wrong with the UDC code. Otherwise -32 is the expected result. Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
