From 02ac4c9bdcc6d6f13fd4ac4c8f77332f5f787d64 Mon Sep 17 00:00:00 2001
From: root <root@schaltschrank-pi>
Date: Fri, 24 Feb 2017 21:07:48 +0000
Subject: [PATCH] implemented lounge color control

---
 command_watcher.sh |  5 ++---
 light.sh           | 44 +++++++++++++++++++++++++-------------------
 2 files changed, 27 insertions(+), 22 deletions(-)

diff --git a/command_watcher.sh b/command_watcher.sh
index 341f454..27874cc 100755
--- a/command_watcher.sh
+++ b/command_watcher.sh
@@ -3,8 +3,7 @@
 COMMAND_FILE=/tmp/command
 
 lounge_light() {
-	COLOR=$1
-	echo "not implemented" #FIXME
+	./light.sh $1
 }
 
 lounge_light_toggle() {
@@ -23,7 +22,7 @@ while true; do
 				lounge_light_toggle
 				;;
 			lounge_light*)
-				lounge_light "$(echo "$COMMAND " | cut -d" " -f2 | grep -oe "[a-z]\?[0-9a-fA-F]*" | head -n1)"
+				lounge_light "$(echo "$line " | cut -d" " -f2 | grep -oe "[a-z]\?[0-9a-fA-F]*" | head -n1)"
 				;;
 			*)
 				echo "ERROR; available commands:" >&2
diff --git a/light.sh b/light.sh
index df5f0c3..59ffe84 100755
--- a/light.sh
+++ b/light.sh
@@ -5,26 +5,32 @@ touch $TMPFILE
 LIGHT_STATE=$(cat $TMPFILE)
 [ -z "$LIGHT_STATE" ] && LIGHT_STATE=0
 
-STATE_0="a\x00\x03\x00\x00\x00;000000000000000000"
-STATE_1="a\x00\x03\xff\xff\xff;255255255255255255"
-STATE_2="n\x00\x02\x01\x00;170000070150000050"
+if [ -z "$1" ]; then
+	STATE_0="a\x00\x03\x00\x00\x00;000000000000000000"
+	STATE_1="a\x00\x03\xff\xff\xff;255255255255255255"
+	STATE_2="n\x00\x02\x01\x00;170000070150000050"
 
-LIGHT_STATE=$(( $LIGHT_STATE+1 ))
-case $LIGHT_STATE in
-	0)
-	  STATE=$STATE_0
-	  ;;
-	1)
-	  STATE=$STATE_1
-	  ;;
-	2)
-	  STATE=$STATE_2
-	  ;;
-	*)
-	  STATE=$STATE_0
-	  LIGHT_STATE=0
-	  ;;
-esac
+	LIGHT_STATE=$(( $LIGHT_STATE+1 ))
+	case $LIGHT_STATE in
+		0)
+		  STATE=$STATE_0
+		  ;;
+		1)
+		  STATE=$STATE_1
+		  ;;
+		2)
+		  STATE=$STATE_2
+		  ;;
+		*)
+		  STATE=$STATE_0
+		  LIGHT_STATE=0
+		  ;;
+	esac
+else
+	COLOR_A="$(echo $1 | sed "s/\(..\)\(..\)\(..\)/\\\x\2\\\x\1\\\x\3/g")"
+	COLOR_B="$(echo $1 | while read -N2 code; do printf "%03d" $((16#$code)); done)"
+	STATE="a\x00\x03$COLOR_A;$COLOR_B$COLOR_B"
+fi
 
 for i in {1..5}; do
 	echo -en "$(echo "$STATE" | cut -d";" -f1)" > /dev/udp/172.23.92.15/49152 &