Merge pull request #3 from Lapikud/projector-http-controls

Add NEC projector http controls

README.md

@@ -24,6 +24,8 @@ ln -s $CLONE/nginx/default /etc/nginx/default
 ln -s $CLONE/projektor /opt/projektor
 apt install python3-serial python3-bottle
 ```
+Optionally, set keyboard hotkeys from projektor/hotkey_commands.txt
+
 #
 #### web
 ```
@@ -51,4 +53,4 @@ systemctl start websockify.service
 #
 Now, essential code seems to be symlinked and `git pull` keeps everything up-to-date..  
   
-  And as always, this readme is under destruction :)
+  And as always, this readme is under destruction :)

projektor/control.sh

@@ -0,0 +1,167 @@
+#!/bin/bash
+
+PROJECTOR_HOSTNAME='projektor'
+
+display_help()
+{
+	echo "Usage: $0 [option...] <command> <setting> [<parameter>]" >&2
+	echo
+	echo "  -h, --help	Show this message"
+	echo "  -f, --force"
+	echo
+	echo "Commands:"
+	echo "  get <setting>"
+	echo "  set <setting> <on|off>"
+	echo "  switch <setting>"
+	echo
+	echo "Settings:"
+	echo "  power"
+	echo "  mute"
+	echo "  freeze"
+	echo
+	echo "Examples:"
+	echo "  get mute"
+	echo "  set freeze on"
+	echo "  switch power"
+	exit 1
+}
+
+send_request()
+{
+	D=""
+	for a in $@
+	do
+		D="$D%$a"
+	done
+	URL="http://$PROJECTOR_HOSTNAME/cgi-bin/pjctrl.cgi.elf?D=$D"
+	echo $(curl -s $URL | sed 's/\[//; s/\]//' | xargs -d ',')
+}
+
+get_power()
+{
+	STATUS=(`send_request 06 00 85 00 00 01 01 87`)
+	echo ${STATUS[7]}
+}
+
+set_power()
+{
+	if [[ $1 -eq 1 ]];
+	then
+		STATUS=`send_request 05 02 00 00 00 00`
+	else
+		STATUS=`send_request 05 02 01 00 00 00`
+	fi
+}
+
+switch_power()
+{
+	STATUS=`get_power`
+	if [[ $STATUS -eq 1 ]];
+	then
+		STATUS=`set_power 0`
+	else
+		STATUS=`set_power 1`
+	fi
+}
+
+get_mute()
+{
+	STATUS=(`send_request 06 00 85 00 00 01 03 89`)
+	echo ${STATUS[5]}
+}
+
+set_mute()
+{
+	if [[ $1 -eq 1 ]];
+	then
+		STATUS=`send_request 05 02 10 00 00 00 13`
+	else
+		STATUS=`send_request 05 02 11 00 00 00 13`
+	fi
+}
+
+switch_mute()
+{
+	STATUS=`get_mute`
+	if [[ $STATUS -eq 1 ]];
+	then
+		STATUS=`set_mute 0`
+	else
+		STATUS=`set_mute 1`
+	fi
+}
+
+get_freeze()
+{
+	STATUS=(`send_request 06 00 BF 00 00 01 02 C2`)
+	echo ${STATUS[14]}
+}
+
+set_freeze()
+{
+	if [[ $1 -eq 1 ]];
+	then
+		STATUS=`send_request 06 01 98 00 00 01 01 00`
+	else
+		STATUS=`send_request 06 01 98 00 00 01 02 00`
+	fi
+}
+
+switch_freeze()
+{
+	STATUS=`get_freeze`
+	if [[ $STATUS -eq 1 ]];
+	then
+		STATUS=`set_freeze 0`
+	else
+		STATUS=`set_freeze 1`
+	fi
+}
+
+
+# options
+while :
+do
+	case "$1" in
+		-h | --help)
+			display_help
+			exit 0
+			;;
+		-f | --force)
+			echo "Nothing to force, man"
+			shift
+			;;
+		--)
+			shift
+			break
+			;;
+		-*)
+			display_help
+			exit 1
+			;;
+		*)
+			break
+			;;
+	esac
+done
+
+# commands
+case "$1" in
+	get | set | switch)
+		FNAME="$1_$2"
+		if [[ `type -t $FNAME` == '' ]]
+		then
+			echo "Invalid parameter for $1"
+			display_help
+			exit 1
+		fi
+		OPT=`sed 's/on/1/; s/off/0/' <<< $3`
+		$FNAME $OPT
+		;;
+	*)
+		echo 'Invalid command'
+		display_help
+		exit 1
+		;;
+esac
+

projektor/hotkey_commands.txt

@@ -1,3 +1,4 @@
+# Receiver volume
 curl -X POST -F 'mode=volumedown' http://viido/projektor/status
 curl -X POST -F 'mode=volumeup' http://viido/projektor/status
 
@@ -6,3 +7,9 @@ curl -X POST -F 'mode=viido' http://viido/projektor/status
 curl -X POST -F 'mode=steam' http://viido/projektor/status
 curl -X POST -F 'mode=hdmi' http://viido/projektor/status
 curl -X POST -F 'mode=aux' http://viido/projektor/status
+
+# Projector states
+/opt/projektor/control.sh switch power
+/opt/projektor/control.sh switch mute
+/opt/projektor/control.sh switch freeze
+