Diff: Data.cpp

Revision:

0:ec76b22829d5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Data.cpp	Sat Apr 16 14:55:37 2016 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+#include "Data.h"
+#define Period 1 //5000ms
+#define PPR 1
+#define periphery 2.233168 //periphery of the wheel, in this example a 28" wheel.
+
+
+
+int count;
+time_t StartTime;
+double distance;
+double lastDistance;
+int lastCount;
+
+void interval(void){
+    lastDistance = count * periphery / PPR;
+    distance += lastDistance;
+    lastCount = count;
+    count = 0;
+    }
+    
+void pressed(void){
+    count++;
+}
+    
+Data::Data(PinName pin) : button(pin){
+    StartTime = time(NULL);
+    count = 0;
+    distance = 0;
+    tick.attach(interval,Period);
+    button.fall(pressed);
+    }
+    
+double Data::getDistance(void){
+    return distance;
+    }
+
+int Data::getTime(void){
+    return time(NULL) - StartTime;
+    }
+    
+double Data::getSpeed(void){
+    return lastDistance/Period * 3.6;
+    }
+    
+double Data::getAverage(void){
+    return distance/(time(NULL) - StartTime) * 3.6;
+    }
+    
+int Data::getLastCount(void){
+    return lastCount;
+   } 
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