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How can I know the packet end of an OUT transfer from GPIF side
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How can I know the packet end of an OUT transfer from GPIF side

byeyear posted on 03 Jan 2012 5:50 PM PST
Top Contributor
29 Forum Posts

For an in transfer(cyusb -> host), I can notiy usb3014 the packet end by using PKTEND# signal;

But for an out transfer(host -> cyusb), can I know the packet end from GPIF side if I using dma to transfer data from UIB to GPIF? Is FIFO_EMPTY ok?




Re: How can I know the packet end of an OUT transfer from GPIF side

aasi posted on 06 Jan 2012 03:42 AM PST
Cypress Employee
1073 Forum Posts

Yep. It is the FIFO empty flag.

Regards,

Anand






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