AnsweredAssumed Answered

DMA works abnormally when using DLM

Question asked by Employee on Mar 18, 2016
Latest reply on May 24, 2016 by Kader.M

I met a strange issue on DLM for BF60x, please help advise.


Platform: CCES2.2.0

Processor: ADSP-BF607 0.2

    Core0: just run meaningless loop in main for test.

    Core1: 1)setup a coretimer run periodically, in its callback func start SPORT2B-tx and SPORT1A-rx with DMA+stop mode, SPORTs are loop back from external connection.

                2)in main loop, load dlm repeatedly.


Failure: the SPORT1A is not able to receive the loop back data(the DMA-IRQDONE is not set after long time wait)