Reading 1024 bytes from mass storage device using 3 frames gives USB_ERR_STALLED
Aman Sawrup
aman.sawrup at bluecoat.com
Thu Feb 14 22:16:32 UTC 2013
Hi Hans,
Is it possible to do the following:
1. Set frame 0 length to 200 bytes
2. usbd_transfer_submit()
3. Wait for USB_ST_TRANSFERRED
4. Set frame 0 length to 512 bytes
5. Set frame 1 length to 312 bytes
6. usbd_transfer_submit()
Effectively, send 200 bytes in first transfer, then send remaining 724 bytes
in second transfer.
Thanks
Aman
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