replace setpineled C program with a shell script

Signed-off-by: Stacy Harper <contact@stacyharper.net>

scripts/core/sxmo_blinkled.sh

@@ -6,12 +6,12 @@
 
 PIDS=""
 for i in "$@"; do
-	sxmo_setpineled "$i" 150 &
+	sxmo_setpineled.sh "$i" 150 &
 	PIDS="$PIDS $!"
 done
 
 echo "$PIDS" | grep -E '[^ ]+' | xargs wait
 
 for i in "$@"; do
-	sxmo_setpineled "$i" 0
+	sxmo_setpineled.sh "$i" 0
 done

scripts/core/sxmo_flashtoggle.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-sxmo_setpineled white "$(
+sxmo_setpineled.sh white "$(
 	grep -qE '^0$' /sys/class/leds/white:flash/brightness &&
 	echo 255 || echo 0
 )"

scripts/core/sxmo_setpineled.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+usage () {
+	printf "usage: %s [red|green|blue|white] [0-255]\n" "$0"
+	exit 1
+}
+
+[ $# -lt 2 ] && usage
+
+case $1 in
+	red|green|blue) color="$1"; type="indicator" ;;
+	white) color="$1"; type="flash" ;;
+	*) usage ;;
+esac
+
+if [ "$2" -lt 0 ] || [ "$2" -gt 255 ]
+then
+	usage
+fi
+
+brightness="$2"
+
+printf "%s\n" "$brightness" > "/sys/class/leds/$color:$type/brightness"

scripts/notifications/sxmo_notificationmonitor.sh

@@ -43,10 +43,10 @@ recreateexistingnotifs() {
 }
 
 syncled() {
-	sxmo_setpineled green 0
+	sxmo_setpineled.sh green 0
 	if [ "$(find "$NOTIFDIR"/ -type f | wc -l)" -gt 0 ]; then
 		sleep 0.1
-		sxmo_setpineled green 1
+		sxmo_setpineled.sh green 1
 	fi
 }