How to let a20,android boot automatically start C program "Go"

This article was reproduced from: http://blog.csdn.net/u011258134/article/details/50749174

How to let a20,android boot automatically start C program2014-12-26 11:32 557 people read comments (3) favorite reports Classification:C language Learning (Ten)Author of similar articlesX

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

Xinit added: xinit/usr/local/bin/xfreerdp 192.168.1.196

1, modify Android/device/init.sun7i.rc

........ Slightly

#add by Jiangdou
chmod 777/system/bin/hello
chmod 777/system/bin/dou.sh
Service init-setup/system/bin/dou.sh
Class Main
User root
Group Root
OneShot

........ Slightly

2, in device/softwinner/sugar-cubieboard2/new dou.sh file, content:

#! /system/bin/sh

#hello是C编译的文件, is statically compiled, and placed in system/bin/
/system/bin/hello

#or

Hello

echo "Jiangdou"

Exit

3,vi DEVICE/SOFTWINNER/SUGAR-CUBIEBOARD2/SUGAR_CUBIEBOARD2.MK//purpose is to perform make-j48 copy to out/target/product/ sugar-cubieboard2/system/bin/

........ Slightly

#add by Jiangdou
Product_copy_files + = \
Device/softwinner/sugar-cubieboard2/hello:system/bin/hello \
device/softwinner/sugar-cubieboard2/dou.sh:system/bin/dou.sh

........ Slightly

4, boot,, effect

[Email protected]:/# PS | BusyBox grep Hello
Root 1409 1 652 108 c006bf0c 0001090c S/system/bin/hello
Root 1411 1 652 108 c006bf0c 0001090c S Hello
[Email protected]:/#

Prove that the boot is running automatically.

5, C code content,,,, compiled $ arm-linux-androideabi-gcc-o Hello hello.c-static

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2. #include<stdio.h>
4. #include <signal.h>
6. int main (void)
8. {
12. int i;
14. Signal (SIGCHLD, sig_ign);
18. Daemon (0, 0);//fork Force background Run! Daemon See the following article
20. for (i = 0; I < ; i++)
22. while (1)
24. {
26. Sleep (1);
28. printf ("Hello......by jiangdou\n");
30. }
32. return 0;
34. }

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2. #include<stdio.h>
4. #include <signal.h>
6. int main (void)
8. {
12. int i;
14. Signal (SIGCHLD, sig_ign);
18. Daemon (0, 0);//fork Force background Run!
20. for (i = 0; I < ; i++)
22. while (1)
24. {
26. Sleep (1);
28. printf ("Hello......by jiangdou\n");
30. }
32. return 0;
34. }

ADB push xxx/system---->error "Readonly-----File System"

adb shell && mount-o remount-o Rw/system

Original posts: http://blog.csdn.net/jiangdou88/article/details/42169263#comments

How to let a20,android boot automatically start C program "Go"