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some problem in EDMA3 LLD and NDK

Sorry,

My English is not well, but expresses clearly with every effort. 

DSP:l137/c6747

        In my project, When only uses EDMA LLD, the data can transmit correctly,But coordinates with NDK in BIOS, EDMA cannt enable。

       I just combine the example of edma3_driver  with client .pjt.  the priority of edma3 task is 6.

     I find some answer blow:http://tiexpressdsp.com/index.php/Network_Developers_Kit_FAQ#Q:_It_seems_that_the_NSP_for_OMAPL137_EVM_is_incompatible_with_the_EDMA3_LLD._How_can_I_fix_it.3F

 i modified the hal_eth_c6747e.lib,but  still cannt  work  well.

how should i do?  thanks.