Hi all, I am developing usb serial interface for sam9263-ek. I ported the code from uboot-1.1.5 version (sam9261) to the latest tree (sam9263) from here http://www.dashdaq.com/support/developers.htm . I am currently facing problems in SendData function which send data to the host. The setflags and clearflag as per the Atmel datasheet if written just hangs indefintely, which i think may be a synchronocity problem with CSR register. Can anyone please may be tell me if you know some special cases where such things occur and how to solve it. I also used sniffer "USBTrace" in the host side(Windows) and found that there is no "IN" packet received by the HOST at all even though in the device side the data is written to the UDP_FDR. If you can throw some light and give some pointer where to check that wil be a great help.
The snippet of the SendData. http://pastebin.com/qEtuJYwv Thanks, Krishna.
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