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the transfer length  limit of RSI on BF70X

Question asked by dell-jin Employee on Oct 27, 2014
Latest reply on Dec 17, 2014 by dell-jin

Dear all:

     in the RSI driver of BF70x, we find the transfer length  limit is 0x00001FF8u.

     this is defined at the line 90 of the file "C:\Analog Devices\CrossCore Embedded Studio 1.1.0\Blackfin\lib\src\drivers\source\rsi\adi_rsi_synopsys_3891-0.c". see the below:

    #define TRANSFER_LIMIT 0x00001FF8u

     it will fail when submitting a buffer which is larger than this limitation. why does the dirver limit the max length of transfer just to  0x00001FF8?  is it possible to change this define to improve the throughout ?