Revision 9:6bc7c9ece653, committed 2013-05-02

Comitter:

mfed1

Date:

Thu May 02 10:30:09 2013 +0000

Parent:

8:704b1bb01b14

Commit message:

Chair sensor complete with led

Changed in this revision

--- a/main.cpp	Thu May 02 09:10:49 2013 +0000
+++ b/main.cpp	Thu May 02 10:30:09 2013 +0000
@@ -2,6 +2,7 @@
 #include "MMA8451Q.h"
 
 #define MMA8451_I2C_ADDRESS (0x1d<<1)
+DigitalOut led(PTC12);
 
 int main(void) {
     MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
@@ -10,15 +11,27 @@
     PwmOut bled(LED_BLUE);
 
     while (true) {
-        rled = 1.0 - abs(acc.getAccX());
+        //rled = 1.0 - abs(acc.getAccX());
         printf(" X ");
-        printf("%f",acc.getAccX());
-        gled = 1.0 - abs(acc.getAccY());
+        printf("%f",acc.getAccX());                     //gives x coordinate of accelerometer
+        //gled = 1.0 - abs(acc.getAccY());
         printf(" Y ");
-        printf("%f",acc.getAccY());
-        bled = 1.0 - abs(acc.getAccZ());
+        printf("%f",acc.getAccY());                     //gives y coordinate of accelerometer
+        //bled = 1.0 - abs(acc.getAccZ());
         printf(" Z ");
-        printf("%f\r",acc.getAccZ());
+        printf("%f\r",acc.getAccZ());                   //gives z coordinate of accelerometer
+        
+        if  (acc.getAccZ()<-0.3){                       //prints dont slouch + lights led when z axis less than -0.3
+            printf("Don't Slouch");    
+            led=1;    
+        } 
+        else led=0;
+        
+        if  (acc.getAccZ()>0.0){                          //prints sit back = lights led when z axis more than 0 
+            printf("Sit Back");  
+            led=1;
+        }    
+        
         wait(0.1);
     }
 }