added butterworth filter \n added activity rec for baro using butter \n added moduel for walker with activity

tests/sensors/pressure/TestBarometer.cpp

@@ -4,6 +4,7 @@
 
 #include "../../../sensors/pressure/RelativePressure.h"
 #include "../../../sensors/pressure/PressureTendence.h"
+#include "../../../sensors/pressure/ActivityButterPressure.h"
 
 #include <random>
 
@@ -121,5 +122,51 @@ TEST(Barometer, LIVE_tendence2) {
 
 }
 
+TEST(Barometer, Activity) {
+    ActivityButterPressure act;
+
+    //read file
+    std::string line;
+    std::string filename = getDataFile("baro/logfile_UAH_R2_S3_baro.dat");
+    std::ifstream infile(filename);
+
+    while (std::getline(infile, line))
+    {
+        std::istringstream iss(line);
+        int ts;
+        double value;
+
+        while (iss >> ts >> value) {
+            ActivityButterPressure::Activity currentAct = act.add(Timestamp::fromMS(ts), BarometerData(value));
+        }
+    }
+
+    std::vector<float> sum = act.getSumHistory();
+    std::vector<float> interpolated = act.getInterpolatedHistory();
+    std::vector<float> raw = act.getSensorHistory();
+    std::vector<float> butter = act.getOutputHistory();
+    std::vector<ActivityButterPressure::History> actHist = act.getActHistory();
+
+    K::Gnuplot gp;
+    K::GnuplotPlot plot;
+    K::GnuplotPlotElementLines rawLines;
+
+    for(int i=0; i < actHist.size()-1; ++i){
+
+        K::GnuplotPoint2 input_p1(actHist[i].ts.sec(), actHist[i].data.hPa);
+        K::GnuplotPoint2 input_p2(actHist[i+1].ts.sec(), actHist[i+1].data.hPa);
+
+        rawLines.addSegment(input_p1, input_p2);
+    }
+
+    plot.add(&rawLines);
+
+    gp.draw(plot);
+    gp.flush();
+
+    sleep(1);
+
+}
+
 
 #endif