Diff: main.cpp

Revision:

1:5e7145bb2184

Parent:

0:c7329ea5d8d5

Child:

2:99852a7499da

--- a/main.cpp	Fri Jul 11 10:11:00 2014 +0000
+++ b/main.cpp	Tue Jul 29 13:55:43 2014 +0000
@@ -8,30 +8,35 @@
 EthernetInterface eth;
 
 // plotly account details
-char PlotlyUsername[] =  "YoutUsername";
-char PlotlyAPIToken[] = "YourAPIKey";
-char streaming_token[] = "YourStreamToken";
-char fileName[] = "Mbed Test Chart";
+const int numberOfTraces = 3;
+const char PlotlyUsername[] =  "YoutUsername";
+const char PlotlyAPIToken[] = "YourAPIKey";
+const char *PlotlyStreamingTokens[numberOfTraces] = {"YourStreamToken","YourSecondStreamToken"}; // or {"YourStreamToken"} for a single line. Must match numberOfTraces
+const char PlotlyFileName[] = "Mbed Test Chart";
 
-plotly graph = plotly(PlotlyUsername, PlotlyAPIToken, streaming_token, fileName);
+plotly graph = plotly(PlotlyUsername,PlotlyAPIToken, PlotlyStreamingTokens, PlotlyFileName, numberOfTraces);
 
 void plotSetup()
 {
-    graph.log_level = 2; // turn on status output
+    graph.log_level = 1; // turn on status output
     graph.maxpoints = 72;
     if (graph.init()) {
-        graph.openStream();
+        graph.openStreams();
     }
 
 }
 
-// Generate a sample chart
+// Generate some simple sample data points
 void plotGenerateDataPoint()
 {
-    static  int counter = 0;
-    float yValue = sin(counter*3.14159/180);
-    graph.plot(counter, yValue);
-    counter+=5;
+    static float counter = 0;
+    
+    // generate a series of sine waves with slightly different frequencies.
+    for (int i = 0; i < numberOfTraces; i++) {
+      graph.plot(counter, (float)sin(counter * (1-i*0.1)), i); 
+    }
+    
+    counter+=0.2;
 }
 
 
@@ -57,7 +62,7 @@
             plotGenerateDataPoint();
             wait(0.5);
             }
-        graph.closeStream();
+        graph.closeStreams();
 
     } else
         pc.printf("No IP Address\n");