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MCBSP EDMA not working after upgrading SYSBIOS

Harikrishna Vuppaladhadiam
Expert 1855 points

Other Parts Discussed in Thread: SYSBIOS, TMS320C6657

Our code with MCBSP EDMA driver was working fine with SYSBIOS 6.33.6.50. 

I now installed SYSBIOS 6.34.4.22. After installing this SYSBIOS,  (MCSDK PDK TMS320c6657 1.1.1.4)  MCBSP EDMA callback function is never called. 

Processor: Gauss c6657. 

Appreciate some pointers in this regard.

Thanks,

Hari

  • 0
    TI__Prodigy 190 points

    Hello Hari,

    We ran MCBSP example project with SYSBIOS 6.34.4.22 and it worked fine. Also, we checked with SYSBIOS team and confirmed that there are no API incompatibilities between SYSBIOS 6.33.6.50 and 6.34.4.22 versions.

    Could you please check if there are any other changes than SYSBIOS which could cause this problem in your application? It would be helpful in debugging if you could isolate the problem to only changing the SYSBIOS version. You can also try the MCBSP example project at your end with new SYSBIOS and see if it works fine. Please let us know if it doesn't.

    Thanks,

    Murtaza