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Old 05-28-2012, 12:14 AM   #1
peacemission
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How to make my app automatically run on startup (Leopard Board Ti DM 368 )


Problem is regarding leopard board (tms320 dm368 processor).
(Please ignore if i sound weird at some places as i am a complete newbieee in Leopard Board/LINUX )

I have a leopard board (tms320 dm368 processor)and
i want to run an app, automatically after boot up instead of manually typing the command in terminal.
So, I created the script file (named vcc_app) as follows
Code:
#!bin/sh
echo "My app is here"
/helloworld # The application
1 .after creating the script file i copied it in init.d
2. I gave the command
Code:
chmod +x /etc/init.d/vcc_app
(vcc_app is the name of script which I have created)
3. Then I gave the command
Code:
ln -s /etc/init.d/vcc_app /etc/rc.d/vcc_app
(rc.d is the run level directory i guess...b/c there is no rc1.d or rc2.d etc...not even rc.local)

Now, when i reboot the board nothing happens (Some times it says vcc_app not found..). Is there anything wrong .
Please help me out !

Many Thanks !

Last edited by peacemission; 05-28-2012 at 12:16 AM.
 
Old 05-28-2012, 12:32 AM   #2
Slackyman
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Which distro is running on your leopardboard?
 
Old 05-28-2012, 12:38 AM   #3
otoomet
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Does your program work correctly if started from the command line (/etc/init.d/vc_app)? Does it start the board?

In general, it is not recommended to put your own code in /etc/init.d. Rather, make a startup script into a standard executable directory (like /usr/local/bin or $HOME/bin) and add the corresponding line into /etc/rc.local (although it may depend on the distro).
 
Old 05-28-2012, 12:55 AM   #4
Slackyman
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If you want to start your program by the init system in the way you're planning you have to make sure:
- it can run from /bin/sh
- it does NOT require any lib or program not yet started (e.g. programs running on other runlevels)
- it refers to full paths (not relative)
 
Old 05-28-2012, 01:25 AM   #5
peacemission
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Quote:
Originally Posted by Slackyman View Post
Which distro is running on your leopardboard?
Its not a distro, i just have a bootloader(uboot,kernel and rootfs.(i am successfully booting it from SD card)
Just for more info:
There are no runlevel dirs like rc1.d or rc2.d etc. rc.local is also not present.All i have is rc.d
 
Old 05-28-2012, 01:27 AM   #6
peacemission
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Quote:
Originally Posted by Slackyman View Post
If you want to start your program by the init system in the way you're planning you have to make sure:
- it can run from /bin/sh
- it does NOT require any lib or program not yet started (e.g. programs running on other runlevels)
- it refers to full paths (not relative)
Yeah thats correct, but my app just prints "hello world"
When em running it manually from terminal it works fine.
 
Old 05-28-2012, 01:32 AM   #7
peacemission
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Quote:
Originally Posted by otoomet View Post
Does your program work correctly if started from the command line (/etc/init.d/vc_app)? Does it start the board?

In general, it is not recommended to put your own code in /etc/init.d. Rather, make a startup script into a standard executable directory (like /usr/local/bin or $HOME/bin) and add the corresponding line into /etc/rc.local (although it may depend on the distro).
1. Yes, when i run the app manually from the terminal, it works fine (my app just prints "hello world" )
2. There are neither runlevel dirs like rc1.d, rc2.d etc nor rc.local. i only have rc.d

Just for more info:
Its not a distro, i just have a bootloader(uboot,kernel and rootfs.(i am successfully booting it from SD card)
 
Old 05-28-2012, 01:54 AM   #8
Slackyman
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Not all the scripts in rc.d and init.d are started just because they have tha run flag set!
What's inside your /etc/rc.d and /etc/init.d folders?

Last edited by Slackyman; 05-28-2012 at 01:56 AM.
 
Old 05-28-2012, 04:49 AM   #9
peacemission
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Quote:
Originally Posted by Slackyman View Post
Not all the scripts in rc.d and init.d are started just because they have tha run flag set!
What's inside your /etc/rc.d and /etc/init.d folders?
Here is the details of my init.d and rc.d
init.d
Code:
-rwxr-xr-x 1 xyz xyz 3248 2012-05-22 15:18 coprocessors 
-rwxrwxr-x 1 xyz xyz  100 2011-07-15 21:04 hostname 
-rwxrwxr-x 1 xyz xyz  230 2011-07-15 21:04 mdev 
-rwxrwxr-x 1 xyz xyz   85 2011-07-15 21:04 motd 
-rwxrwxr-x 1 xyz xyz  476 2011-07-15 21:04 mountall 
-rwxrwxr-x 1 xyz xyz  155 2011-07-15 21:04 mountdevpts 
-rwxrwxr-x 1 xyz xyz  834 2011-07-15 21:04 network 
-rwxrwxr-x 1 xyz xyz  129 2011-07-15 21:04 psplash 
-rwxrwxr-x 1 xyz xyz   34 2011-07-15 21:04 startlabel 
-rwxrwxr-x 1 xyz xyz  130 2011-07-15 21:04 sysctl 
-rwxrwxr-x 1 xyz xyz   43 2011-07-15 21:04 syslogd
rc.d
Code:
lrwxrwxrwx 1 xyz xyz 18 2012-05-22 12:31 S00mountall -> ../init.d/mountall 
lrwxrwxrwx 1 xyz xyz 17 2012-05-22 12:31 S00psplash -> ../init.d/psplash 
lrwxrwxrwx 1 xyz xyz 20 2012-05-22 12:31 S01startlabel -> ../init.d/startlabel 
lrwxrwxrwx 1 xyz xyz 14 2012-05-22 12:31 S02mdev -> ../init.d/mdev 
lrwxrwxrwx 1 xyz xyz 18 2012-05-22 12:31 S03hostname -> ../init.d/hostname 
lrwxrwxrwx 1 xyz xyz 21 2012-05-22 12:31 S10mountdevpts -> ../init.d/mountdevpts 
lrwxrwxrwx 1 xyz xyz 17 2012-05-22 12:31 S10syslogd -> ../init.d/syslogd 
lrwxrwxrwx 1 xyz xyz 16 2012-05-22 12:31 S15sysctl -> ../init.d/sysctl 
lrwxrwxrwx 1 xyz xyz 14 2012-05-22 12:31 S20motd -> ../init.d/motd 
lrwxrwxrwx 1 xyz xyz 17 2012-05-22 12:31 S30network -> ../init.d/network 
lrwxrwxrwx 1 xyz xyz 22 2012-05-22 12:31 S90coprocessors -> ../init.d/coprocessors
 
Old 05-28-2012, 09:14 AM   #10
michaelk
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In a nutshell, if you look at the rc.d directory the S means start. Processes are started in order i.e S00xxx - S99xxx. Creating the link /etc/rc.d/S99your_app should run your hello world program automatically.
 
Old 05-29-2012, 01:44 AM   #11
peacemission
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Quote:
Originally Posted by michaelk View Post
In a nutshell, if you look at the rc.d directory the S means start. Processes are started in order i.e S00xxx - S99xxx. Creating the link /etc/rc.d/S99your_app should run your hello world program automatically.
Its working..
Thanks!
 
  


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