SDMA how to configure ping-pong structure

[剑明廖]

I use sdma to transfer data from ssi,I want to create pingbuf and pongbuf for sdma to receive data,but i don't know how to configure the sdma,who can help me or give me an example???

Thank you very much!

[igorpadykov · Accepted solution]

Hi 剑明 廖

I am not sure that this is feasible, however one can loop

sdma structure using bit W: wrap in Buffer Descriptor data structure, description can

be found in pdf document p.6

MX25 SDMA CSPI example

Best regards

igor

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