Add PJLINK Helper

Added plink utility code from:
https://gist.github.com/1677547.git

pjlinkutil.pl

@@ -0,0 +1,85 @@
+#!/usr/bin/perl
+
+# ------------------------------------------------------------
+# Projector PJLink Control Script
+#
+# ------------------------------------------------------------
+# 2012 IT Services, Truman State University
+#
+# Maintained by Huan Truong, get the latest version at
+# https://gist.github.com/1677547
+# ------------------------------------------------------------
+
+use Net::PJLink;
+use Getopt::Std;
+use Getopt::Long;
+use Switch;
+use Data::Dumper;
+
+my $ip = $ARGV[0];
+my $action = $ARGV[1]; 
+my $password = '';
+my $param = '';
+
+# Process options.
+if ( @ARGV > 0 ) {
+    GetOptions( 'p|password=s'=> \$password,
+        );
+} else {
+    $help = <<END;
+Usage:
+    ./pjlinkutil.pl IP action param [-p password]
+
+    IP: The Hostname/IP Address of the PJLink enabled projector
+    action: Action to take, be one of the following
+        get_power_state: Get the current power state
+        set_power_state: Set power state
+            0: Turn off
+            1: Turn on
+        get_input: Get current input
+        set_input: Set input
+            {Array: INPUT_RGB,INPUT_VIDEO,INPUT_DIGITAL,INPUT_STORAGE,INPUT_NETWORK} {INPUT_NUMBER}
+        
+Examples:
+    ./pjlinkutil.pl 192.168.0.1 turn 1 -p=1234
+        Will turn the projector on
+    ./pjlinkutil.pl 192.168.0.1 set_input 1 1 -p=1234
+        Will set the current input of the projector to RGB(1) 1
+END
+    print $help;
+    exit 0;
+}
+
+my $prj = Net::PJLink->new(
+    host       => $ip,
+    # keep_alive => 1,
+    # auth_password => $password, 
+    # This does NOT work -- the documentation is wrong
+);
+
+# If authentication is needed then we need to set it.
+unless ($password == '') {
+    $prj->set_auth_password($password);
+}
+
+switch ($action) {
+    case 'set_power_state' {
+        $param = $ARGV[2];
+        print $prj->set_power($param);
+    }
+    case 'get_input' {
+        @current_input = $prj->get_input();
+        print $current_input[0][0] . ',' . $current_input[0][1];
+    }
+    case 'set_input' {
+        $param = $ARGV[2];
+        $inputnumber = $ARGV[3];
+        print $prj->set_input($param,$inputnumber);
+    }
+    else { # else, default to get power state
+        print $prj->get_power();
+    }
+}
+
+# Close all network connections to the projector.
+$prj->close_all_connections;

projectorCommands.inc

@@ -24,8 +24,7 @@ $PROJECTORS = Array(
 				"RGB" => "set_input INPUT_RGB",
 				"VIDEO" => "set_input INPUT_VIDEO",
 				"DIGITAL" => "set_input INPUT_DIGITAL",
-				"VIDEO(RCA)" => "\xBE\xEF\x03\x06\x00\x6E\xD3\x01\x00\x00\x20\x01\x00",
-				"VIDEO(S)" => "\xBE\xEF\x03\x06\x00\x9E\xD3\x01\x00\x00\x20\x02\x00",
+
 				"IP" => "192.168.192.200",
 				"PASSWORD" => "1234"
 				//"BAUD_RATE" => "19200",