Initial upload

examples/Barometer/Barometer.cpp

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+/*
+Provided to you by Emlid Ltd (c) 2014.
+twitter.com/emlidtech || www.emlid.com || info@emlid.com
+
+Example: Get pressure from MS5611 barometer onboard of Navio shield for Raspberry Pi
+
+To run this example navigate to the directory containing it and run following commands:
+make
+./Barometer
+*/
+
+#include "Navio/MS5611.h"
+#include "Navio/Util.h"
+#include <unistd.h>
+#include <stdio.h>
+
+int main()
+{
+    MS5611 barometer;
+
+    if (check_apm()) {
+        return 1;
+    }
+
+    barometer.initialize();
+
+    while (true) {
+        barometer.refreshPressure();
+        usleep(10000); // Waiting for pressure data ready
+        barometer.readPressure();
+
+        barometer.refreshTemperature();
+        usleep(10000); // Waiting for temperature data ready
+        barometer.readTemperature();
+
+        barometer.calculatePressureAndTemperature();
+
+        printf("Temperature(C): %f Pressure(millibar): %f\n", 
+                barometer.getTemperature(), barometer.getPressure());
+                
+        sleep(1);
+    }
+
+    return 0;
+}