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OMAPL138 arm and dsp communication

haoyu wang2
Prodigy 70 points
Other Parts Discussed in Thread: SYSBIOS, OMAPL138, OMAP-L138

hello

Recently i am working a project which including L138 arm and dsp communication. after i install DVSDK and read user guide in DSPLINK folder.

Now I would like to have some specific material about ten different example about how these ten different communication modes design for different situations. and what should i do if i want to know how it's work instead of just run the sample applications on linux

thanks

  • 0
    TI__Guru** 116100 points

    Hi Haoyu,

    Could you please tell us which package have you downloaded.

    What is your requirement and intention please..

    Do you want to communicate between ARM and DSP ?

    If you want to communicate between ARM and DSP then DSPLink or SYSLink is the one you looking for.

    DSPLink is the older version and SYSLINK is the newer one.

    DSPLink uses BIOS (RTOS) code for DSP which runs only on DSP whereas SYSLink uses BIOS code  which could runs on both ARM & DSP.

    DSP/BIOS -> SYSBIOS -> TI RTOS

    Recently we changed SYSBIOS to TI RTOS for BIOS related packages.

    You can also check the readme of particular example to understand the purpose of that example.

    Ex:

    syslink_2_21_03_11/examples/ex02_messageq/readme.txt

    Please refer to the following TI wikis.

    http://processors.wiki.ti.com/index.php/DSPLink_Overview

    processors.wiki.ti.com/index.php/DSPLink_FAQs

    http://processors.wiki.ti.com/index.php/Building_DSPLink

    http://processors.wiki.ti.com/index.php/MCSDK_OMAPL138_User_Guide_Chapter_Exploring#Build_Syslink

    http://processors.wiki.ti.com/index.php/SysLink_Install_Guide

    http://processors.wiki.ti.com/index.php/Debugging_the_DSP_side_of_a_DSPLink_application_on_OMAP-L138_using_CCS

  • 0 in reply to Titusrathinaraj Stalin
    Prodigy 70 points
    hello Titus S.
    thanks for your reply.
    DVSDK i download from this site:http://software-dl.ti.com/dsps/dsps_public_sw/sdo_sb/targetcontent/dvsdk/DVSDK_4_00/latest/index_FDS.html
    We decided to use DSPlink communicate between ARM and DSP.
    After i read the user guide of DSPlink from the DVSDK folder.
    From the sample it provide just tell us how it run. I would like to know how can I use it and which part of the souce suport each funtion. like which document should i intensive reading and which source file.
  • 0 in reply to haoyu wang2
    TI__Guru** 116100 points
    You can refer to the DVSDK demos (encoding+decoding) which could run on DSP from ARM linux.