Diff: MMA8451Q.h

Revision:

5:2d14600116fc

Parent:

4:c4d879a39775

--- a/MMA8451Q.h	Fri Oct 12 11:35:07 2012 +0000
+++ b/MMA8451Q.h	Sun Mar 10 04:34:03 2013 +0000
@@ -97,6 +97,55 @@
    * @param res array where acceleration data will be stored
    */
   void getAccAllAxis(float * res);
+  
+  /** JK
+  * Setup Double Tap detection
+ 
+ 
+Example:
+
+#include "mbed.h"
+#include "MMA8451Q.h"
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+#define ON  0
+#define OFF !ON
+
+//Setup the interrupts for the MMA8451Q
+InterruptIn accInt1(PTA14);
+InterruptIn accInt2(PTA15);//not used in this prog but this is the other int from the accelorometer
+
+uint8_t togstat=0;//Led status
+DigitalOut bled(LED_BLUE);
+
+
+void tapTrue(void){//ISR
+    if(togstat == 0){
+        togstat = 1;
+        bled=ON;
+    } else {
+        togstat = 0;
+        bled=OFF;
+    }
+        
+}
+
+
+int main(void) {
+
+    MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);//accelorometer instance
+  
+    acc.setDoubleTap();//Setup the MMA8451Q to look for a double Tap
+    accInt1.rise(&tapTrue);//call tapTrue when an interrupt is generated on PTA14
+    
+    while (true) {
+    //Interrupt driven so nothing in main loop
+    }
+}
+
+
+  */
+  void setDoubleTap(void);
 
 private:
   I2C m_i2c;