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Adding linux applications in sd card?

hitesh manwar
Intellectual 280 points

Hello everyone!

I am using omap l138 EVM from ZOOM . I am booting linux from SD card which i created using instructions given in "software development guide". I want to add new and custom applications along with the existing pre-built applications on SD card. Can anybody explain/help how to do it? i am a beginner with OMAP l138 and have no previous experience of working with operating systems over embedded platforms.

Is there any way in which i can use Code Composer v5 to transfer the custom images into some partition of SD card so that it can be accessible after i boot the device? Is it possible? Kindly help

Thanks

Regards

hitesh

  • 0
    Guru 11260 points

    Hitesh,

    As you know how to boot from SD card,  are putting the filesystem into the SD card itself ?

    or you using it through the NFS?

    Just add your application in the appropriate one and you will be able to run when your board

    completely comes up.

    Regards,

    --Prabhakar Lad

  • 0 in reply to Prabhakar Lad
    Intellectual 280 points

    Prabhakar, thanks for the valuable input

    yes, i have my entire file system in SD card itself, so according to you i can just add applications in SD card via host PC and then again use it on the board?

    Also, i have a confusion, how to make a program linux executable? say i have a program that just scrolls a message in character LCD which i am able to run in the debug mode of CCSv5, so if i want to make that program linux executable , how to do it? can you point out some references/resources which can help me in it?

    Thanks

    regards

    hitesh

  • 0 in reply to hitesh manwar
    Guru 11260 points

    Hitesh,

    yes, i have my entire file system in SD card itself, so according to you i can just add applications in SD card via host PC and then again use it on the board?

    Yes, say in your filesystem you create folder  into /user/hitesh/app and the put  the

    filesystem into the SD card, when your board comes up you can go there like this say,

    cd /usr/hitesh  and execute the app.

    Also, i have a confusion, how to make a program linux executable? say i have a program that just scrolls a message in character LCD which i am able to run in the debug mode of CCSv5, so if i want to make that program linux executable , how to do it? can you point out some references/resources which can help me in it?

    Is you app just C code rite ? if it is just cross compile it and get the resulting file (say app) and put it into SD card

    and run it as ./app.

    Regards,

    --Prabhakar Lad