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Visitor vemulpt2
Visitor
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Registered: ‎05-04-2019

Data transfer from PL to PS of unknown length

Hi, in my sdsoc design, the PL takes a fixed size input stream of data, processes it and outputs upto 1024 packets. The output of the PL is stored in FIFO before it is sent out via AXI-Stream. How can I specify in SDSOC to copy back upto 1024 packets, and if the TLAST signal is seen, to terminate the copy? Currently if I send the TLAST signals before 1024 packets, the function never returns, and hangs.

 

Thanks

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