Jiajun Zhang / Mbed OS Accelerometer_example

Part 1 of lab 4

Dependencies:   MMA8451Q

Fork of Accelerometer_example by William Marsh

Files at this revision

API Documentation at this revision

Revision 2:0ee311fae3ff, committed 2018-02-16

Comitter:
Bossman
Date:
Fri Feb 16 20:07:08 2018 +0000
Parent:
1:31f0f53b08bd
Commit message:
Version 1

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 31f0f53b08bd -r 0ee311fae3ff main.cpp
--- a/main.cpp	Wed Feb 07 16:56:55 2018 +0000
+++ b/main.cpp	Fri Feb 16 20:07:08 2018 +0000
@@ -19,7 +19,8 @@
     pc.printf("MMA8451 ID: %d\n", acc.getWhoAmI());
 
     while (true) {
-        float x, y, z;
+        float x, y, z,t;
+        t=0.5;
         x = acc.getAccX();
         y = acc.getAccY();
         z = acc.getAccZ();
@@ -27,6 +28,23 @@
         gled = 1.0f - abs(y);
         bled = 1.0f - abs(z);
         Thread::wait(300);
-        pc.printf("X: %1.2f, Y: %1.2f, Z: %1.2f\n", x, y, z);
+        if ((x<-t)&&(abs(y)<t)&&(abs(z)<t)){
+        pc.printf("left");
+        }
+        else if ((x>t)&&(abs(y)<t)&&(abs(z)<t)){
+        pc.printf("right");
+        }
+        else if ((y<-t)&&(abs(x)<t)&&(abs(z)<t)){
+        pc.printf("down");
+        }
+        else if ((y>t)&&(abs(x)<t)&&(abs(z)<t)){
+        pc.printf("up");
+        }
+        else if (z>t){
+        pc.printf("flat");
+        }
+        else if (z<-t){
+        pc.printf("over");
+        }
     }
 }