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en:vu8c_backlightcontrol [2017/01/13 14:03] joy.cho [1. Download script] |
en:vu8c_backlightcontrol [2017/05/01 10:19] codewalker |
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| 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 | + | |
| cur_stat="On" | cur_stat="On" | ||
| 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 205: | Line 188: | ||
| </file> | </file> | ||
| * ODROID-C1/C1+ | * ODROID-C1/C1+ | ||
| - | TODO | + | <file sh vu8c_backlight_c1_android.sh> |
| + | #!/bin/sh | ||
| + | |||
| + | path="/sys/class/gpio" | ||
| + | |||
| + | echo 97 > $path/export | ||
| + | |||
| + | echo out > $path/gpio97/direction | ||
| + | echo 0 > $path/gpio97/value | ||
| + | |||
| + | chown system:system $path/gpio97/value | ||
| + | |||
| + | cur_stat="On" | ||
| + | |||
| + | while [ 1 ]; do | ||
| + | |||
| + | sleep 1 | ||
| + | |||
| + | screen_info=`dumpsys power | grep "mScreenOn"` | ||
| + | |||
| + | if [[ $screen_info == *"false"* && $cur_stat == "On" ]]; then | ||
| + | echo "monitor goes to Off" | ||
| + | echo 1 > $path/gpio97/value | ||
| + | cur_stat="Off" | ||
| + | elif [[ $screen_info == *"true"* && $cur_stat == "Off" ]]; then | ||
| + | echo "monitor turns back On" | ||
| + | echo 0 > $path/gpio97/value | ||
| + | cur_stat="On" | ||
| + | fi | ||
| + | done | ||
| + | </file> | ||
| ==== 2. Configure system init to run script on boot ==== | ==== 2. Configure system init to run script on boot ==== | ||
| Now, you need to register the service to run this script automatically on boot time.\\ | Now, you need to register the service to run this script automatically on boot time.\\ | ||
| Line 214: | Line 227: | ||
| - in case of C2 | - in case of C2 | ||
| <code> | <code> | ||
| + | # su | ||
| # vi /system/init.odroid.board.rc | # vi /system/init.odroid.board.rc | ||
| ..... | ..... | ||
| ..... | ..... | ||
| service vu8c_backlight /system/bin/vu8c_backlight_c2_android.sh | service vu8c_backlight /system/bin/vu8c_backlight_c2_android.sh | ||
| - | class main | + | class main |
| - | user root | + | user root |
| - | group root | + | group root |
| - | oneshot | + | oneshot |
| </code> | </code> | ||
| - in case of C1 | - in case of C1 | ||
| - | <code>> | + | <code> |
| + | # su | ||
| # vi /system/init.odroid.board.rc | # vi /system/init.odroid.board.rc | ||
| ..... | ..... | ||
