飞凌嵌入式ElfBoard ELF1板卡-提示程序之背光脚本测试

eefocus_4023189

backlight.sh：

1. #! /bin/bash
   
2. 
   
3. 
   
4. 
   
5. echo -e "\033[36m-----------BACKLIGHT--------------\033[0m"
   
6. 
   
7. echo -e "\033[1;32mPress Esc to turn off the backlight\033[0m"
   
8. 
   
9. ./continue.sh
   
10. 
    
11. echo 0 > /sys/class/backlight/backlight/brightness
    
12. 
    
13. 
    
14. 
    
15. 
    
16. 
    
17. echo -e "\033[1;32mPress Esc to turn on the backlight\033[0m"
    
18. 
    
19. ./continue.sh
    
20. 
    
21. echo 6 > /sys/class/backlight/backlight/brightness
    
22. 
    
23. 
    
24. 
    
25. echo "Please enter y/n"
    
26. 
    
27. read -sn 1 read_check
    
28. 
    
29. if [ ! -n $read_check ]
    
30. 
    
31. then
    
32. 
    
33.         exit 0
    
34. 
    
35. elif [ "$read_check" = "y" ]
    
36. 
    
37. then
    
38. 
    
39.         echo -e "\033[1;32mBACKLIGHT OK\033[0m"
    
40. 
    
41. else
    
42. 
    
43.         echo -e "\033[1;31mBACKLIGHT ERR\033[0m"
    
44. 
    
45. fi

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1. root@ELF1:~# chmod 777 backlight.sh
   
2. 
   
3. root@ELF1:~# ./backlight.sh

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