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en:vu8c_backlightcontrol [2017/03/20 09:46]
codewalker [1. Download script]
en:vu8c_backlightcontrol [2017/05/01 10:19]
codewalker
Line 22: Line 22:
 path="/​sys/​class/​gpio"​ path="/​sys/​class/​gpio"​
  
-echo 234 > $path/​export 
 echo 214 > $path/​export echo 214 > $path/​export
  
-echo out > $path/​gpio234/​direction 
 echo out > $path/​gpio214/​direction echo out > $path/​gpio214/​direction
-echo 0 > $path/​gpio234/​value 
 echo 0 > $path/​gpio214/​value echo 0 > $path/​gpio214/​value
  
-chown odroid $path/​gpio234/​value 
 chown odroid $path/​gpio214/​value chown odroid $path/​gpio214/​value
 </​code>​ </​code>​
Line 40: Line 36:
  
 echo 97 > $path/​export echo 97 > $path/​export
-echo 108 > $path/​export 
  
 echo out > $path/​gpio97/​direction echo out > $path/​gpio97/​direction
-echo out > $path/​gpio108/​direction 
 echo 0 > $path/​gpio97/​value echo 0 > $path/​gpio97/​value
-echo 0 > $path/​gpio108/​value 
  
 chown odroid $path/​gpio97/​value chown odroid $path/​gpio97/​value
-chown odroid $path/​gpio108/​value 
 </​code>​ </​code>​
  
Line 82: Line 74:
         # backlight off first          # backlight off first 
         echo 1 > $path/​gpio214/​value         echo 1 > $path/​gpio214/​value
-        echo 1 > $path/​gpio234/​value 
         cur_stat=$stat         cur_stat=$stat
 elif [ "​$stat"​ == "​On"​ -a "​$cur_stat"​ == "​Off"​ ]; then elif [ "​$stat"​ == "​On"​ -a "​$cur_stat"​ == "​Off"​ ]; then
Line 110: Line 101:
         echo "​monitor goes to Off"         echo "​monitor goes to Off"
         echo 1 > $path/​gpio97/​value         echo 1 > $path/​gpio97/​value
-        echo 1 > $path/​gpio108/​value 
         cur_stat=$stat         cur_stat=$stat
 elif [ "​$stat"​ == "​On"​ -a "​$cur_stat"​ == "​Off"​ ]; then elif [ "​$stat"​ == "​On"​ -a "​$cur_stat"​ == "​Off"​ ]; then
         echo "​monitor turns back On"         echo "​monitor turns back On"
-        echo 0 > $path/​gpio108/​value 
         echo 0 > $path/​gpio97/​value         echo 0 > $path/​gpio97/​value
         cur_stat=$stat         cur_stat=$stat
Line 170: Line 159:
 path="/​sys/​class/​gpio"​ path="/​sys/​class/​gpio"​
  
-echo 234 > $path/​export 
 echo 214 > $path/​export echo 214 > $path/​export
  
-echo out > $path/​gpio234/​direction 
 echo out > $path/​gpio214/​direction echo out > $path/​gpio214/​direction
-echo 0 > $path/​gpio234/​value 
 echo 0 > $path/​gpio214/​value echo 0 > $path/​gpio214/​value
  
-chown system:​system $path/​gpio234/​value 
 chown system:​system $path/​gpio214/​value chown system:​system $path/​gpio214/​value
  
Line 193: Line 178:
  # backlight off first  # backlight off first
  echo 1 > $path/​gpio214/​value  echo 1 > $path/​gpio214/​value
- echo 1 > $path/​gpio234/​value 
  cur_stat="​Off"​  cur_stat="​Off"​
 elif [[ $screen_info == *"​ON"​* && $cur_stat == "​Off"​ ]]; then elif [[ $screen_info == *"​ON"​* && $cur_stat == "​Off"​ ]]; then
  echo "​monitor turns back On"  echo "​monitor turns back On"
- echo 0 > $path/​gpio234/​value 
  # backlight on later  # backlight on later
  echo 0 > $path/​gpio214/​value  echo 0 > $path/​gpio214/​value
Line 211: Line 194:
  
 echo 97 > $path/​export echo 97 > $path/​export
-echo 108 > $path/​export 
  
 echo out > $path/​gpio97/​direction echo out > $path/​gpio97/​direction
-echo out > $path/​gpio108/​direction 
 echo 0 > $path/​gpio97/​value echo 0 > $path/​gpio97/​value
-echo 0 > $path/​gpio108/​value 
  
 chown system:​system $path/​gpio97/​value chown system:​system $path/​gpio97/​value
-chown system:​system $path/​gpio108/​value 
  
 cur_stat="​On"​ cur_stat="​On"​
Line 232: Line 211:
  echo "​monitor goes to Off"  echo "​monitor goes to Off"
  echo 1 > $path/​gpio97/​value  echo 1 > $path/​gpio97/​value
- echo 1 > $path/​gpio108/​value 
  cur_stat="​Off"​  cur_stat="​Off"​
 elif [[ $screen_info == *"​true"​* && $cur_stat == "​Off"​ ]]; then elif [[ $screen_info == *"​true"​* && $cur_stat == "​Off"​ ]]; then
  echo "​monitor turns back On"  echo "​monitor turns back On"
- echo 0 > $path/​gpio108/​value 
  echo 0 > $path/​gpio97/​value  echo 0 > $path/​gpio97/​value
  cur_stat="​On"​  cur_stat="​On"​
en/vu8c_backlightcontrol.txt ยท Last modified: 2017/06/09 15:39 by codewalker
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