Example showing the ublox Cellular GPS/GNSS module with the online PubNub service on an LPC4088 Experiment Base Board. This example uses an RTOS.

Dependencies:   C027_Support EALib LM75B PubNub mbed-rtos mbed picojson

Revision:
0:713518ea5028
diff -r 000000000000 -r 713518ea5028 pubnub_acc.html
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pubnub_acc.html	Wed Oct 01 11:39:10 2014 +0000
@@ -0,0 +1,186 @@
+<html>
+	<head>
+<!--		<script type="text/javascript" src="jscolor/jscolor.js"></script>-->
+		<script type="text/javascript" src="https://www.google.com/jsapi"></script>
+    <script type="text/javascript">
+	  var baseline = Math.round(new Date().getTime()/10); // current time as integer in 10ms resolution
+	  var temps = [['Time', 'Temp']];
+	  var accs = [['Time', 'X', 'Y', 'Z']];
+      google.load("visualization", "1", {packages:["corechart"]});
+      //google.setOnLoadCallback(drawChart);
+      function drawChart() {
+        /*var data = google.visualization.arrayToDataTable([
+          ['Year', 'Sales', 'Expenses'],
+          ['2004',  1000,      400],
+          ['2005',  1170,      460],
+          ['2006',  660,       1120],
+          ['2007',  1030,      540]
+        ]);*/
+		var data = google.visualization.arrayToDataTable(temps);
+
+        var options = {
+          title: 'Temperature over time',
+		  vAxis: { title: "Degrees C" },
+		  hAxis: { title: "Time since first message (in seconds)" },
+		  curveType: 'function',
+		  legend: { position: 'none' },
+        };
+
+        var chart = new google.visualization.LineChart(document.getElementById('chart_div'));
+
+        chart.draw(data, options);
+
+		// Acc chart
+		var data = google.visualization.arrayToDataTable(accs);
+
+        var options = {
+          title: 'Acceleration over time',
+		  vAxis: { title: "Acc value", minValue: -60, maxValue: 60 },
+		  hAxis: { title: "Time since first message (in seconds)" },
+		  curveType: 'function',
+		  //legend: { position: 'none' },
+        };
+
+        var chart = new google.visualization.LineChart(document.getElementById('acc_chart_div'));
+
+        chart.draw(data, options);
+      }
+	  function addToChart(t, x, y, z) {
+	    var now = Math.round(new Date().getTime()/10); // current time as integer in 10ms resolution
+	    console.log(new Date().getTime()/10 + " " + (now - baseline) + " temp = " + t+ " acc {"+x+","+y+","+z+"}");
+	    temps[temps.length] = [ (now - baseline)/100, t ];
+	    accs[accs.length] = [ (now - baseline)/100, x, y, z];
+		drawChart();
+	  }
+    </script>
+   <script src=http://cdn.pubnub.com/pubnub.min.js ></script>
+   <script>
+	 var pubnub = PUBNUB.init({
+		publish_key: 'pub-c-e4a8b6d6-7be2-4ef9-85b9-f6dfbed23f7d',
+		subscribe_key: 'sub-c-83ad9d3a-3365-11e4-9846-02ee2ddab7fe'
+	 });
+ 
+	function receiveMessage(message) {
+		//console.log(message);
+
+		var type = 0;
+		try {
+			var test = message.status.mx;
+			type = 1;
+		} catch (err) {
+			// not a measurement status message from HW
+		}
+		try {
+			var test = message.led.r;
+			type = 2;
+		} catch (err) {
+			// not a set RGB color request from us
+		}
+		
+		var messageLog = document.getElementById("messageLog");
+		if (type == 1) {			
+			var listItem = document.createElement("li");
+			var msg = "Acc X,Y,Z = {" + message.status.mx + ", " + message.status.my + ", " + message.status.mz + "} Temp = " + message.status.temp;
+			var text = document.createTextNode(msg);
+			listItem.appendChild(text);
+			document.getElementById("messageList").appendChild(listItem);
+			messageLog.scrollTop = messageLog.scrollHeight;			
+			addToChart(message.status.temp, message.status.mx, message.status.my, message.status.mz);
+		} else if (type == 2) {
+			var listItem = document.createElement("li");
+			var msg = "Set RGB LED: {" + message.led.r + ", " + message.led.g + ", " + message.led.b + "}";
+			var text = document.createTextNode(msg);
+			listItem.appendChild(text);
+			document.getElementById("messageList").appendChild(listItem);
+			messageLog.scrollTop = messageLog.scrollHeight;			
+			//addToChart(message.status.temp);
+		} else {
+			// got an error, probably because message is not from mbed
+			var listItem = document.createElement("li");
+			var msg = "Unknwon RAW message: " + message;
+			var text = document.createTextNode(msg);
+			listItem.appendChild(text);
+			document.getElementById("messageList").appendChild(listItem);
+			messageLog.scrollTop = messageLog.scrollHeight;			
+			//addToChart(message.status.temp);
+		}
+	}
+	
+	/*function sendMessage(newcolor) {
+		//var r = parseInt(newcolor.substr(0,2), 16)/255;
+		//var g = parseInt(newcolor.substr(2,2), 16)/255;
+		//var b = parseInt(newcolor.substr(4,2), 16)/255;
+		//var msg = '{ "led": {"r": ' + r + ', "g": ' + g + ', "b": ' + b + '} }';
+		//var msg = '{ "led": {"r": ' + newcolor.rgb[0] + ', "g": ' + newcolor.rgb[1] + ', "b": ' + newcolor.rgb[2] + '} }';
+		var msg = { "led": {"r": newcolor.rgb[0], "g": newcolor.rgb[1], "b": newcolor.rgb[2]} };
+		console.log("new color #" + newcolor + " => message " + msg.led.r+","+msg.led.g+","+msg.led.b);
+		pubnub.publish({
+			channel: 'mbed_cmd',//'hello_world',
+			message: msg
+		});
+	}*/
+	function sendColorMessage(r,g,b) {
+		var msg = { "led": {"r": r, "g": g, "b": b} };
+		console.log("message " + msg.led.r+","+msg.led.g+","+msg.led.b);
+		pubnub.publish({
+			channel: 'mbed_cmd',//'hello_world',
+			message: msg
+		});
+	}
+ 
+	 pubnub.subscribe({
+		channel: 'mbed_data',//'hello_world',
+		message: receiveMessage
+	 });
+ 
+/* pubnub.unsubscribe({
+    channel: 'a',
+    message: function(m){console.log(m)}
+ });*/
+   </script>
+		<style>
+			li { font-style: monospace; }
+			table,tr {border: none; }
+		</style>
+	</head>
+   <body>
+   <!--<img src="http://www.pubnub.com/static/images/illustrations/cloud-red.png">-->
+   
+   <table>
+   <tr>
+	<td valign="top">
+		<table>
+			<tr valign="top">
+				<td><div id="chart_div" style="width: 800px; height: 400px;"></div></td>
+			</tr>
+			<tr valign="top">
+				<td><div id="acc_chart_div" style="width: 800px; height: 400px;"></div></td>
+			</tr>
+			<!--<tr valign="top">
+				<td>Change color on RGB LED to:&nbsp;&nbsp;&nbsp;<input class="color" onchange="sendMessage(this.color)"></td>
+			</tr>-->
+			<tr valign="top">
+				<td>
+					<input type="button" value="Set color to RED" onclick="sendColorMessage(1,0,0)">
+					<input type="button" value="Set color to GREEN" onclick="sendColorMessage(0,1,0)">
+					<input type="button" value="Set color to BLUE" onclick="sendColorMessage(0,0,1)">
+				</td>
+			</tr>
+		</table>
+	</td>
+	<td>
+	<p><b>Data from mbed:</b></p>
+    <div id="messageLog" style="height: 600px; width: 350px; overflow:auto;">
+        <ol id="messageList">
+            <!-- This will be populated dynamically. -->
+        </ol>
+    </div>
+	</td>
+	</tr>
+	<tr>
+	<td>
+		<!--<input class="color" onchange="sendMessage(this.color)">-->
+	</td>
+	</tr>
+	</body>
+</html>
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