On ok

Readme.md

@@ -0,0 +1,11 @@
+Readme
+
+This project is a Bash script to modify the user3 LED status by using the command `bashLED` and
+passing an argument `on`, `off`, `blink`, or `status`.
+
+The `status` argument will send back the current status and will not modify it.
+
+Gerardo Marx Chavez-Campos
+13/04/2021
+
+Mobile-Devices

bashLED.sh

@@ -4,12 +4,20 @@ LED3_PATH=/sys/class/leds/beaglebone:green:usr3
 
 function removeTrigger
 {
-echo 'none' >> '$LED3_PATH/trigger'
+echo "none" >> "$LED3_PATH/trigger"
 }
 
 
 echo "Starting the LED Bash Script"
 if [ $# != 1 ]; then
-	echo "Error: There is an incorrect number of arguments."
+	echo "Error: There is an incorrect number of arguments. Try:"
+	echo -e "\nbashLED [argument]\n\nwhere command is:"
+	echo -e "on, off, blink or status\n\ne.g. bashLED on"
 	exit 2
 fi
+echo "The argument passed is: $1"
+if  [ "$1" == "on" ]; then
+	echo "LED on"
+	removeTrigger
+	echo "1" >> "$LED3_PATH/brightness"
+fi