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Script to Change the Backlight brightness on the Official Raspberry Pi 7" display.
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#!/bin/bash | |
level=$1 | |
#echo "level given is $level" | |
if [ $# != 1 ]; then | |
echo "USAGE: $0 brightness_level (0 to 255)" | |
exit 1 | |
fi | |
if [[ $level -ge 0 && $level -le 255 ]]; then | |
#echo "level given is $level" | |
echo $level > /sys/class/backlight/rpi_backlight/brightness | |
echo "Screen brightness set to $level." | |
exit 0 | |
else | |
echo "Brightness level $level is out of range! (0 to 255 only)" | |
exit 1 | |
fi |
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