Yusuke Suzuki / Mbed 2 deprecated balancer

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

Revision 0:3e3ddecc2783, committed 2014-03-09

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 
diff -r 000000000000 -r 3e3ddecc2783 MMA8451Q.lib
--- /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

diff -r 000000000000 -r 3e3ddecc2783 main.cpp
--- /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));
+        }
+    }
+}

diff -r 000000000000 -r 3e3ddecc2783 mbed.bld
--- /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