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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » DaVinci™ Video Processors » DM64x DaVinci Video Processor Forum » Getting Started with DaVinci
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Getting Started with DaVinci

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chris.
Posted by chris.
on May 08 2009 11:33 AM
Prodigy285 points

A good starting point for the Davinci™ digital media processors is DVEVM and DVSDK overview.

digital media processors DaVinci
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  • Constantine
    Posted by Constantine
    on Sep 24 2009 09:58 AM
    Expert2940 points

    virgoptrex
    ! Is ' ` ' actually ' ' '?

    `...` - under Escape, means "execute and inline output here", can be $(......) also

    ' ... ' - is literal string, without expansion

    the script could be:

    myreplace()
    {
             perl -i -pe "s[$1][$2]g"  $( grep "$1" . -rl )

    }

    I should work on Ubuntu too, but I havn'e yet tested it. I'l test it on Ubuntu today eveing.


    Constantine
    Embedded Linux Consulting: http://www.MakeLinux.com/
    Linux and TI DaVinci Technology Portal: http://www.Linux-DaVinci.info/

    Please consider to   Verify the Answer   if applicable

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  • virgoptrex
    Posted by virgoptrex
    on Sep 24 2009 10:13 AM
    Intellectual555 points

    It still didn't help me! I think ' ` ' could be correct. I am using Ubuntu 8.10 32 bit Desktop version and pretty sure perl is installed as I am using it!

    I tried this 'today' script just for test and it works like charm!

    today()
    {
    echo This is a `date +"%A %d in %B of %Y (%r)"`
    return
    }

    Its better to be a fool for a minute rather than being foolish and ignorant for rest of the career![*-)]

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  • Constantine
    Posted by Constantine
    on Sep 24 2009 10:35 AM
    Expert2940 points

    What output do you have when you run my function?

    Let's decompose script to command to find  the problem.

    What output do you have when do you run this:

    grep mount -rl  /etc/init.d/

    echo A | perl -pe "s/A/B/"

    ?


    Constantine
    Embedded Linux Consulting: http://www.MakeLinux.com/
    Linux and TI DaVinci Technology Portal: http://www.Linux-DaVinci.info/

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  • virgoptrex
    Posted by virgoptrex
    on Sep 24 2009 11:48 AM
    Intellectual555 points

    I put a function with the script in /.bashrc and got the following

    user@ubuntu:~$ grep mount -rl  /etc/init.d/
    /etc/init.d/hal
    /etc/init.d/mountall-bootclean.sh
    /etc/init.d/umountroot
    /etc/init.d/procps
    /etc/init.d/checkroot.sh
    /etc/init.d/readahead
    /etc/init.d/mtab.sh
    /etc/init.d/hwclockfirst.sh
    /etc/init.d/mountnfs.sh
    /etc/init.d/bootlogd
    /etc/init.d/keyboard-setup
    /etc/init.d/networking
    /etc/init.d/nfs-kernel-server
    /etc/init.d/hwclock.sh
    /etc/init.d/udev
    /etc/init.d/mountkernfs.sh
    /etc/init.d/nfs-common
    /etc/init.d/brltty
    /etc/init.d/umountfs
    /etc/init.d/mountdevsubfs.sh
    /etc/init.d/mountall.sh
    /etc/init.d/skeleton
    /etc/init.d/umountnfs.sh
    /etc/init.d/dbus
    /etc/init.d/laptop-mode
    /etc/init.d/mountoverflowtmp
    /etc/init.d/alsa-utils
    /etc/init.d/readahead-desktop
    /etc/init.d/sendsigs
    /etc/init.d/mountnfs-bootclean.sh
    /etc/init.d/ufw
    user@ubuntu:~$ echo A | perl -pe "s/A/B/"
    B
    user@ubuntu:~$ ?
    bash: ?: command not found
    user@ubuntu:~$

    Does this need to be different?

    Its better to be a fool for a minute rather than being foolish and ignorant for rest of the career![*-)]

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  • Constantine
    Posted by Constantine
    on Sep 25 2009 04:06 AM
    Expert2940 points

    run this:

    mkdir -p tmp; cd tmp ; echo ==AAA== > a; myreplace(){ perl -i -pe "s[$1][$2]g"  $( grep "$1" . -rl );}; myreplace A B; cat a; cd -

    you should get:

    ==BBB==


    Constantine
    Embedded Linux Consulting: http://www.MakeLinux.com/
    Linux and TI DaVinci Technology Portal: http://www.Linux-DaVinci.info/

    Please consider to   Verify the Answer   if applicable

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  • virgoptrex
    Posted by virgoptrex
    on Sep 25 2009 08:43 AM
    Intellectual555 points

    yeah I do get that o/p[***]

    Its better to be a fool for a minute rather than being foolish and ignorant for rest of the career![*-)]

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  • Ye Tian
    Posted by Ye Tian
    on Dec 25 2009 02:56 AM
    Prodigy20 points

    while multithreaded debugging, can not step into thread where a breakpoint is setted, why?????? 

    dm365 dvevm
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  • Juan Gonzales
    Posted by Juan Gonzales
    on Jan 20 2010 16:50 PM
    Mastermind33895 points

    what tool are you using to debug?

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  • ken kimball
    Posted by ken kimball
    on Jul 24 2010 20:51 PM
    Prodigy10 points

    hello again,

    This is a second or third request for a more 'direct' solution to fixing or just 'updating' my 2006 PMP (DSP TMS320DM270). Over the past couple years i learned that COBY, MemUp, and a few other vendors/sellers of this unit refuse to acknowledge Ti and the older PMP line.

    Looking around the Ti website(s), i cant find enough info on the early DSP for these units. I dont' have any idea what tools will work or not.

    My hope is that someone here can actually step-up and help solve the rediculous $300 dollar problem(s) that several hundred (even thousands) of PMP owners are in need of. I have some experience in programming and even electronics, but I have yet to 'seed', d/l and modify the OS on this thing.

    If there is a working (stable) OS out there, please let me know, or PLEASE help me find the answers and tools I need to do the job myself. I believe it has the Cyruss USB chip and a 2MB flash but, I don't have a working Ti binary complier or any Ti tools for that DSP.

    If anyone has knowledge to actually pointing the way to the truth, I can honestly say that; me and atleast a thousand others would be truley greatful!

    Thanx Again,

    kenny_k
    the.copycat@lycos.com
    Las Vegas, Nevada
    July 2010

    DaVinci Da Vinci tms320dm270 pmp DM270 Da Vinci 270 dsp biOS DSP/BIOS DaVinci Flash DaVinci USB defective flashing portable media player ARM7 portable video device
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  • helen white
    Posted by helen white
    on Oct 10 2010 22:12 PM
    Prodigy20 points

    Hi Bernie Thompson!

    Thanks you for your contribution! I highly appreciate your IT acknowledge. Hope you share more interesting and useful links in IT field.

    Best wish!

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