But I did change the Ipaq, only the server .
Who clould rewrite to PIO ?
And Why all of a sudden ?
Probably "all of a sudden" since something changed the timings of how the host side works ... from one legal mix to another one. For example, maybe it's faster and the SA-1100 UDC driver has a timing dependency.
Since the root cause of the problem is the driver for the SA-1100 UDC on the iPaq, that's where the fix needs to live ... which is why I mentioned not using DMA
Could there be something wrong with usbnet ?
Well, the only real errors reported were in your PDA, so I don't think the host side "usbnet" can reasonably be blamed ... :)
It only reports 'timeouts' but that could indeed be because the PDA throws it away ...
So What next ?
Try a PXA based PDA, if you're not willing to work on fixing that SA-1100 UDC driver. (Which is a very reasonable desire. Chips as buggy as the SA-1100 UDC, with that many different buggy revisions, are no fun.)
- Dave
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