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Message
From: tommy_hsu@i...<tommy_hsu@i...>
Date: Thu Mar 10 03:30:11 CET 2005
Subject: [usb] USB Get Descriptor Request
The data what you were sending back cannot recognized by PC. Do you send an ACK firstly and a null data later? PC ask you Get Device Descriptor three times is the standard procedure for XP, I donot others OS.
----- Original Message ----- From: venkatk@v...<venkatk@v...> To: Date: Tue Feb 8 12:15:13 CET 2005 Subject: [usb] USB Get Descriptor Request
> I am able to get the Get Device Descriptor request well but when I > am > sending the data that is the Device Descriptor the Pc is not > recognizing > it it is continuously sending the same request in the form of > [80,06,00,01,00,00,40,00] It is sending this three times. Can you > please > tell me what may ahve gone wrong. > >
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