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A collection of useful Arduino helpers, unit testing and plotting graphs via GNUPlot.
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README.md

WDArduinoLib

A collection of useful Arduino helpers.

Documentation here http://www.busyducks.com/downloads/doco/WDArduinoLib/index.html

Feature: ARDUINO GRAPHING LIBRARIES
GNUPlot based plotting.
See http://busyducks.com/wp_4_1/2015/12/27/arduino-graphing-libraries/

Example:

Example Graph

//main  
GNUPlotPointGraph gnuPointPlotter(&Serial);  
PlotPointNoise(gnuPointPlotter);  

//method  
void PlotPointNoise(SerialGraph& plot)  
{  
    //setup graph  
    plot.newGraph();  
    plot.enableSaveImageFile(true);  
    plot.setTitle(F("Sine Waves with Noise"));  
    plot.setXAxisName(F("Time (Sec)"));  
    plot.setYAxisName(F("Voltage (V)"));  
    plot.setShowGrid(true);  
 
    //setup series  
    plot.setSeriesName(0, F("Pin 1"));  
    plot.getLineApperance(0)->setMarkerStyle(LineMarkers::SquareMarker);  
    plot.getLineApperance(0)->setRGB(0xff0000);  
 
    plot.setSeriesName(1, F("Pin 2"));  
    plot.getLineApperance(1)->setMarkerStyle(LineMarkers::CrossMarker);  
    plot.getLineApperance(1)->setRGB(0x00ff00);  
 
    plot.setSeriesName(2, F("Pin 3"));  
    plot.getLineApperance(2)->setMarkerStyle(LineMarkers::CircleMarker);  
    plot.getLineApperance(2)->setRGB(0x0000ff);  
    
    //plot graph  
    for(int i=0; i<=720; i+=5)  
    {  
        float c = cos(DEG_TO_RAD*(float)i);  
        float y1 = c + Dampen(i, ((float)(random(100)-50)) *0.1, 1, 1.0/240.0);  
        float y2 = c + Dampen(i, ((float)(random(100)-50)) *0.1, 1, 1.0/180.0)-2;  
        float y3 = c + Dampen(i, ((float)(random(100)-50)) *0.1, 1, 1.0/90.0)-4;  
 
        plot.plotDatumXYn(i, y1, y2, y3);  
    }  
    plot.finishGraph();  
}  
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