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

Dependencies:   MMA8451Q mbed

Files at this revision

API Documentation at this revision

Comitter:
junshoc
Date:
Sun Mar 09 15:01:24 2014 +0000
Commit message:
The LEDs flash faster, depending on the inclination of the sensor.; ; Accelerometer : MMA8451Q

Changed in this revision

MMA8451Q.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8451Q.lib	Sun Mar 09 15:01:24 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/JoKer/code/MMA8451Q/#2d14600116fc
--- /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));
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Mar 09 15:01:24 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/8e73be2a2ac1
\ No newline at end of file