Jim Carver / MMA8652

A basic library for the MMA8652 accelerometer, provides data in either floating point G's or as a signed 16 bit integer.

Dependents:   Hello_MMA8652 Multi-Sensor Buddi_Blueband Freescale_Multi-Sensor_Shield ... more

Files at this revision

API Documentation at this revision

Revision 2:29c2dd97ca95, committed 2014-06-02

Comitter:
screamer
Date:
Mon Jun 02 18:22:59 2014 +0000
Parent:
1:ff30cc4759b4
Commit message:
Documentation fixes

Changed in this revision

MMA8652.h Show annotated file Show diff for this revision Revisions of this file 
--- a/MMA8652.h	Sat Apr 19 01:28:26 2014 +0000
+++ b/MMA8652.h	Mon Jun 02 18:22:59 2014 +0000
@@ -33,44 +33,54 @@
 #define MMA8652_CTRL_REG1 0x2A
 #define MMA8652_WHOAMI_VAL 0x4A
 
+/**
+ * MMA8652 Xtrinsic accelerometer on I2C
+ */
 class MMA8652
 {
 public:
     /**
-    * MMA8652 constructor
-    *
-    * @param sda SDA pin
-    * @param sdl SCL pin
-    * @param addr addr of the I2C peripheral
-    */
+     * MMA8652 constructor
+     *
+     * @param sda SDA pin
+     * @param sdl SCL pin
+     */
     MMA8652(PinName sda, PinName scl);
 
-  /**
-  * MMA8652 destructor
-  */
-  ~MMA8652();    
-  /**
-   * Get XYZ axis acceleration in floating point G's
-   *
-   * @param res array where acceleration data will be stored
-   */
-    void ReadXYZ(float * a);
+    /**
+     * MMA8652 destructor
+     */
+    ~MMA8652();
     
-   /**
-   * Get XYZ axis acceleration, signed 16 bit values
-   *
-   * @param res array where acceleration data will be stored
-   */    
+    /**
+     * Get XYZ axis acceleration in floating point G's
+     *
+     * @param res array where acceleration data will be stored
+     */
+    void ReadXYZ(float * a);
+
+    /**
+     * Get XYZ axis acceleration, signed 16 bit values
+     *
+     * @param res array where acceleration data will be stored
+     */
     void ReadXYZraw(int16_t * d);
-    char getWhoAmI(void);
     
+    /**
+     * Get the value of the WHO_AM_I register
+     *
+     * @returns DEVICE_ID value == 0x3A
+     */
+    char getWhoAmI(void);
+
 private:
-
     I2C _i2c;
-    /** Set the device in active mode
-    */
+
+    /**
+     * Set the device in active mode
+     */
     void begin( void);
-    
+
     void RegRead( char reg, char * d, int len);
 
 };