Diff: MMA8452Q.h

Revision:

0:c315c3fd48fb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8452Q.h	Sun Dec 13 08:05:49 2015 +0000
@@ -0,0 +1,134 @@
+/* Copyright (c) 2013-2015 Design Methodology Lab
+*/
+/*
+* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef MMA8452Q_H
+#define MMA8452Q_H
+
+#include "mbed.h"
+
+/**
+* MMA8452Q accelerometer example
+*
+* @code
+#include "mbed.h"
+#include "MMA8452Q.h"
+
+#if defined (TARGET_KL25Z)
+#define PIN_SCL  PTE1
+#define PIN_SDA  PTE0
+#elif defined (TARGET_KL46Z)
+#define PIN_SCL  PTE1
+#define PIN_SDA  PTE0
+#elif defined (TARGET_K64F)
+#define PIN_SCL  PTE24
+#define PIN_SDA  PTE25
+#elif defined (TARGET_K22F)
+#define PIN_SCL  PTE1
+#define PIN_SDA  PTE0
+#elif defined (TARGET_KL05Z)
+#define PIN_SCL  PTB3
+#define PIN_SDA  PTB4
+#elif define (TARGET_F411RE)
+#define PIN_SCL  PB_8
+#define PIN_SDA  PB_9
+#else
+ #error TARGET NOT DEFINED
+#endif
+ 
+#define MMA8452_I2C_ADDRESS (0x1d)
+ 
+int main(void) {
+     float x, y, z ;
+
+     MMA8452Q acc(PIN_SDA, PIN_SCL, MMA8452_I2C_ADDRESS);
+ 
+     while (true) {       
+         x = acc.getAccX() ;
+         y = acc.getAccY() ;
+         z = acc.getAccZ() ;
+         printf("X[%.2f] Y[%.2f] Z[%.2f]\n",x, y, z) ;
+         wait(0.1);
+    }
+}
+* @endcode
+*/
+class MMA8452Q
+{
+public:
+  /**
+  * MMA8452Q constructor
+  *
+  * @param sda SDA pin
+  * @param sdl SCL pin
+  * @param addr addr of the I2C peripheral
+  */
+  MMA8452Q(PinName sda, PinName scl, int addr);
+
+  /**
+  * MMA8452Q destructor
+  */
+  ~MMA8452Q();
+
+  /**
+   * Get the value of the WHO_AM_I register
+   *
+   * @returns WHO_AM_I value
+   */
+  uint8_t getWhoAmI();
+
+  /**
+   * Get X axis acceleration
+   *
+   * @returns X axis acceleration
+   */
+  float getAccX();
+
+  /**
+   * Get Y axis acceleration
+   *
+   * @returns Y axis acceleration
+   */
+  float getAccY();
+
+  /**
+   * Get Z axis acceleration
+   *
+   * @returns Z axis acceleration
+   */
+  float getAccZ();
+
+  /**
+   * Get XYZ axis acceleration
+   *
+   * @param res array where acceleration data will be stored
+   */
+  void getAccAllAxis(float * res);
+
+private:
+  I2C m_i2c;
+  int m_addr;
+  void readRegs(int addr, uint8_t * data, int len);
+  void writeRegs(uint8_t * data, int len);
+  int16_t getAccAxis(uint8_t addr);
+
+};
+
+#endif