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Sample program of McBSP on OMAP-L138EVM

Tsuru
Prodigy 60 points
Other Parts Discussed in Thread: OMAP-L138

On OMAP-L138, I refer your sample program on

C:\Program Files\Texas Instruments\pspdrivers_01_30_00_06\packages\ti

\pspiom\examples\evmOMAPL138\mcbsp\build\ccs3.

 

Q1: It assigns HSRTDX to HWI7/8/9/10.

     Does it work on OMAP-L138 EVM with XDS100 circuit?

 

Q2: Why does it assign HSRTDX to HWI7/8/9/10.

 

Q3: If I refer your driver sample program on our Board with OMAP-L138,

    Should I assign HSRTDX to HWI7/8/9/10 ?

Q4: What function  does "TSK_Sleep" have?

       Would you kindly teach "TSK_Sleep" meaning?

 

      

  • 0
    TI__Expert 6860 points
    Tsuru said:
    Q1: It assigns HSRTDX to HWI7/8/9/10.
         Does it work on OMAP-L138 EVM with XDS100 circuit?

     

    XDS100 doens't support  RTDX and HSRTDX. See: http://tiexpressdsp.com/index.php/XDS100#Features_NOT_supported.C2.A0

     

    Tsuru said:
    Q2: Why does it assign HSRTDX to HWI7/8/9/10.

     

    HSRTDX uses three hardware interrupt to handle the data passing.  See: http://tiexpressdsp.com/index.php/High_Speed_RTDX_%28HSRTDX%29

     

    Tsuru said:
    Q3: If I refer your driver sample program on our Board with OMAP-L138,
        Should I assign HSRTDX to HWI7/8/9/10 ?

     

    If your custom board has XDS560 emulation support and you want to take advantage of RTDX capabilities (e.g. DSP/BIOS Real-time analysis), then yes.  Otherwise its not necessary.

     

    Tsuru said:
    Q4: What function  does "TSK_Sleep" have?
           Would you kindly teach "TSK_Sleep" meaning?
     

     

    It delays execution of the current running task in DSP/BIOS.  Check out the DSP/BIOS API Guide for further information on the API calls.  You can also find documentation in the ti\bios\doc folder of your DSP/BIOS installation directory.