main.cpp

00001 
00002 #include "mbed.h"
00003 #include "EthernetInterface.h"
00004 #include "plotly.h"
00005 
00006 Serial pc(USBTX,USBRX);
00007 
00008 EthernetInterface eth;
00009 
00010 // plotly account details
00011 const int numberOfTraces = 3;
00012 const char PlotlyUsername[] =  "YoutUsername";
00013 const char PlotlyAPIToken[] = "YourAPIKey";
00014 const char *PlotlyStreamingTokens[numberOfTraces] = {"YourStreamToken","YourSecondStreamToken"}; // or {"YourStreamToken"} for a single line. Must match numberOfTraces
00015 const char PlotlyFileName[] = "Mbed Test Chart";
00016 
00017 plotly graph = plotly(PlotlyUsername,PlotlyAPIToken, PlotlyStreamingTokens, PlotlyFileName, numberOfTraces);
00018 
00019 void plotSetup()
00020 {
00021     graph.log_level = 1; // turn on status output
00022     graph.maxpoints = 72;
00023     if (graph.init()) {
00024         graph.openStreams();
00025     }
00026 
00027 }
00028 
00029 // Generate some simple sample data points
00030 void plotGenerateDataPoint()
00031 {
00032     static float counter = 0;
00033     
00034     // generate a series of sine waves with slightly different frequencies.
00035     for (int i = 0; i < numberOfTraces; i++) {
00036       graph.plot(counter, (float)sin(counter * (1-i*0.1)), i); 
00037     }
00038     
00039     counter+=0.2;
00040 }
00041 
00042 
00043 int main()
00044 {
00045     pc.baud(115200);
00046 
00047     pc.printf("Connecting network...\n");
00048 
00049     eth.init();
00050     eth.connect();
00051 
00052     char *ipAddress = eth.getIPAddress();
00053     if (ipAddress && (strlen(ipAddress) > 4)) {
00054 
00055         pc.printf("IP Address is %s\n",eth.getIPAddress());
00056         pc.printf("Initalise plot..\n");
00057 
00058         plotSetup();
00059 
00060         pc.printf("Generating data, press any key to abort.\n");
00061         while (!pc.readable()) {
00062             plotGenerateDataPoint();
00063             wait(0.5);
00064             }
00065         graph.closeStreams();
00066 
00067     } else
00068         pc.printf("No IP Address\n");
00069 
00070     eth.disconnect();
00071 
00072     pc.printf("Done\n");
00073 
00074     while (1) {
00075       wait(10);
00076     }
00077 }