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en:vu8c_backlightcontrol [2017/01/13 13:44] joy.cho [2. Configure Init to run script on boot] |
en:vu8c_backlightcontrol [2017/03/20 09:46] codewalker [1. Download script] |
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| ====== VU8C Backlight On/Off Control by Monitor Status ====== | ====== VU8C Backlight On/Off Control by Monitor Status ====== | ||
| This wiki page describes the way how to control vu8c backlight on/off when monitor status is triggered by controlling the related GPIO ports.\\ | This wiki page describes the way how to control vu8c backlight on/off when monitor status is triggered by controlling the related GPIO ports.\\ | ||
| - | So far, Ubuntu is available with the following scheme and we're investigating it on Android platform now. | + | |
| Line 147: | Line 147: | ||
| ===== [ Android ] ===== | ===== [ Android ] ===== | ||
| - | On Android, we are investigating how to control and run auto control scheme. \\ | ||
| - | As soon as it's done, we will make the instruction guide here. | ||
| - | |||
| - | (UNDER CONSTRUCTION!!!) | ||
| ==== 1. Download script ==== | ==== 1. Download script ==== | ||
| Line 162: | Line 158: | ||
| Make or download the following shell script of the board model that you're using (C1 or C2)\\ | Make or download the following shell script of the board model that you're using (C1 or C2)\\ | ||
| and copy it in **/system/bin/**.\\ | and copy it in **/system/bin/**.\\ | ||
| - | And set its permission. | + | And make its permission executable |
| <code> | <code> | ||
| # su | # su | ||
| Line 182: | Line 178: | ||
| echo 0 > $path/gpio214/value | echo 0 > $path/gpio214/value | ||
| - | chown system system $path/gpio234/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 222: | Line 218: | ||
| echo 0 > $path/gpio108/value | echo 0 > $path/gpio108/value | ||
| - | chown system system $path/gpio97/value | + | chown system:system $path/gpio97/value |
| - | chown system system $path/gpio108/value | + | chown system:system $path/gpio108/value |
| cur_stat="On" | cur_stat="On" | ||
| Line 231: | Line 227: | ||
| sleep 1 | sleep 1 | ||
| - | screen_info=`dumpsys power | grep "Display Power"` | + | screen_info=`dumpsys power | grep "mScreenOn"` |
| - | if [[ $screen_info == *"OFF"* && $cur_stat == "On" ]]; then | + | if [[ $screen_info == *"false"* && $cur_stat == "On" ]]; then |
| 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 | echo 1 > $path/gpio108/value | ||
| cur_stat="Off" | cur_stat="Off" | ||
| - | elif [[ $screen_info == *"ON"* && $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/gpio108/value | ||
| Line 246: | Line 242: | ||
| done | done | ||
| </file> | </file> | ||
| - | + | ==== 2. Configure system init to run script on boot ==== | |
| - | ==== 2. Configure 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 255: | Line 250: | ||
| - 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 | ||
| ..... | ..... | ||
| Line 275: | Line 272: | ||
| group root | group root | ||
| oneshot | oneshot | ||
| + | </code> | ||
| + | And then, reboot the system. | ||
| + | <code> | ||
| + | # reboot | ||
| </code> | </code> | ||
