--- /dev/null
+/* 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 MMA8451Q_H
+#define MMA8451Q_H
+
+#include "mbed.h"
+
+/**
+* MMA8451Q accelerometer example
+*
+* @code
+* #include "mbed.h"
+* #include "MMA8451Q.h"
+*
+* #define MMA8451_I2C_ADDRESS (0x1d<<1)
+*
+* int main(void) {
+*
+* MMA8451Q acc(P_E25, P_E24, MMA8451_I2C_ADDRESS);
+* PwmOut rled(LED_RED);
+* PwmOut gled(LED_GREEN);
+* PwmOut bled(LED_BLUE);
+*
+* while (true) {
+* rled = 1.0 - abs(acc.getAccX());
+* gled = 1.0 - abs(acc.getAccY());
+* bled = 1.0 - abs(acc.getAccZ());
+* wait(0.1);
+* }
+* }
+* @endcode
+*/
+class MMA8451Q
+{
+public:
+ /**
+ * MMA8451Q constructor
+ *
+ * @param sda SDA pin
+ * @param sdl SCL pin
+ * @param addr addr of the I2C peripheral
+ */
+ MMA8451Q(PinName sda, PinName scl, int addr);
+
+ /**
+ * MMA8451Q destructor
+ */
+ ~MMA8451Q();
+
+ /**
+ * 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);
+
+ /** 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;
+ 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