added activity detection

code/reader/SensorReaderAccel.h

@@ -0,0 +1,35 @@
+#ifndef SENSORREADERACCEL_H
+#define SENSORREADERACCEL_H
+
+#include "../reader/SensorReader.h"
+
+#include <cassert>
+
+class SensorReaderAccel {
+
+public:
+
+	/** get wifi observation data from one CSV entry */
+	static void read(const SensorEntry& se, float dst[3]) {
+
+		std::string tmp = se.data;
+
+		size_t pos1 = tmp.find(';');
+		size_t pos2 = tmp.find(';', pos1+1);
+		size_t pos3 = tmp.find(';', pos2+1);
+
+		if (pos1 == std::string::npos) {throw 1;}
+		if (pos2 == std::string::npos) {throw 1;}
+
+		dst[0] = std::stof( tmp.substr(0, pos1) );
+		dst[1] = std::stof( tmp.substr(pos1+1, pos2-pos1-1) );
+		dst[2] = std::stof( tmp.substr(pos2+1, pos3-pos2-1) );
+
+		int j = 0; (void) j;
+
+	}
+
+};
+
+
+#endif // SENSORREADERACCEL_H