Yusuke Suzuki / Mbed 2 deprecated balancer

The LEDs flashes faster, depending on the inclination of the sensor. Accelerometer: MMA8451Q

Dependencies:   MMA8451Q mbed

Diff: main.cpp

Revision:
0:3e3ddecc2783
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Mar 09 15:01:24 2014 +0000
@@ -0,0 +1,31 @@
+//
+// balance meter
+//
+
+#include "mbed.h"
+#include "MMA8451Q.h"
+#include <iostream>
+#include "math.h"
+
+#define TIME 0.05           // wait (balanced)
+#define MINIMUM_TIME 0.003  // wait (not balanced)
+
+PwmOut gled(LED1);
+PwmOut rled(LED2);
+MMA8451Q acc(PTE25, PTE24, 0x1D<<1);
+
+int main()
+{
+    gled.period_ms( 1 );
+    rled.period_ms( 1 );
+    
+    while (1)
+    {
+        for ( int i=0; i<360; i+=10 ) {
+            gled = cos( i*2.0*3.14/360 ) * 0.5 + 0.5;
+            rled = 1.0 - (cos( i*2.0*3.14/360 ) * 0.5 + 0.5);
+            
+            wait(max(TIME - (abs(acc.getAccX()) + abs(acc.getAccY())) * TIME, MINIMUM_TIME));
+        }
+    }
+}