trtr

Dependencies:   mbed

Revision:
0:5a04d10db6b0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 12 10:59:22 2015 +0000
@@ -0,0 +1,48 @@
+#include "mbed.h"
+
+InterruptIn SW7(PB_3);
+InterruptIn SW6(PA_10);
+    static double tidSek;
+    //static double meter=5;
+    //static double kmh=3.6;
+    //static double v;
+      
+    Timer timer;
+    
+    void startKlokke()
+    {
+    timer.reset();
+    timer.start();
+    }
+
+    void stopKlokke()
+    {
+    timer.stop();
+    tidSek=timer.read_ms()/1000.0;
+    //v=meter/tidSek*kmh;
+
+    
+    printf("Km/t %.3f \r\n", 5/tidSek*3.6 );
+    }
+
+    int main ()
+{
+    
+    SW7.fall(&startKlokke);
+    SW6.fall(&stopKlokke);     
+     
+    
+
+    while (true)
+    {     
+    timer.reset();
+    while (SW7==1){;};
+    timer.start();
+    while (SW6==1){;};
+    timer.stop();
+           
+         
+           wait_ms(200);
+           
+    }
+}     
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