1 files changed, 41 insertions, 0 deletions
diff --git a/brightness-control/brightness-control.sh b/brightness-control/brightness-control.sh
new file mode 100644
index 0000000..79ff4d9
--- /dev/null
+++ b/brightness-control/brightness-control.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# A simple script to control screen brightness using 'notify send'
+# copyright Srikant Patnaik
+# GNU GPLv3
+
+# Three brightness modes
+brightness_max=250
+brightness_med=160
+brightness_low=80
+
+# A file to store previous brightness value
+status_file=/tmp/previous_brightness
+
+# If running for first time, then create the status file with med value for brightness
+if [ ! -f $status_file ];
+then
+        echo $brightness_med > $status_file
+fi
+
+previous_brightness=$(cat $status_file)
+
+if (( "$previous_brightness" == "80" ));
+then
+	echo $brightness_med > /sys/class/backlight/pwm-backlight.0/brightness
+        #notify-send "medium brightness"
+	echo -n "medium brightness" | osd_cat --font='-b&h-lucida-medium-r-normal-*-34-*-*-*-p-*-iso10646-1'  --color=green  --pos=top 	   --align=right   --offset=50   --indent=50 -d 1
+        echo $brightness_med > $status_file
+
+elif (( "$previous_brightness" == "160" ));
+then
+	echo $brightness_max > /sys/class/backlight/pwm-backlight.0/brightness
+        #notify-send "full brightness" 
+	echo -n "full brightness" | osd_cat --font='-b&h-lucida-medium-r-normal-*-34-*-*-*-p-*-iso10646-1'  --color=green  --pos=top 	   --align=right   --offset=50   --indent=50 -d 1
+        echo $brightness_max > $status_file
+else
+	echo $brightness_low > /sys/class/backlight/pwm-backlight.0/brightness
+      # notify-send "low brightness"
+	echo -n "low brightness" | osd_cat --font='-b&h-lucida-medium-r-normal-*-34-*-*-*-p-*-iso10646-1'  --color=green  --pos=top 	   --align=right   --offset=50   --indent=50 -d 1
+        echo $brightness_low > $status_file
+fi