File content as of revision 1:b226b04d2c21:

/*****************************************************************************
  KX224_I2C.h

 Copyright (c) 2017 ROHM Co.,Ltd.

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 THE SOFTWARE.
*
*  KX224-1053 3 axis accelerometer library
*
*  @modified by Ren Boting
*  @version 1.0
*  @date    18-February-2019
*
*  Library for "KX224-1053 3 axis accelerometer library"
*    https://www.rohm.co.jp/sensor-shield-support/accelerometer
*
*/
#ifndef _KX224_H_
#define _KX224_H_

#include "mbed.h"

#define KX224_DEVICE_ADDRESS_1E   (0x1E << 1)    // 7bit Addrss
#define KX224_DEVICE_ADDRESS_1F   (0x1F << 1)    // 7bit Address
#define KX224_WAI_VAL             (0x2B)

#define KX224_XOUT_L              (0x06)
#define KX224_WHO_AM_I            (0x0F)
#define KX224_CNTL1               (0x18)
#define KX224_ODCNTL              (0x1B)

#define KX224_CNTL1_TPE           (1 << 0)
#define KX224_CNTL1_WUFE          (1 << 1)
#define KX224_CNTL1_TDTE          (1 << 2)
#define KX224_CNTL1_GSELMASK      (0x18)
#define KX224_CNTL1_GSEL_8G       (0x00)
#define KX224_CNTL1_GSEL_16G      (0x08)
#define KX224_CNTL1_GSEL_32G      (0x10)
#define KX224_CNTL1_DRDYE         (1 << 5)
#define KX224_CNTL1_RES           (1 << 6)
#define KX224_CNTL1_PC1           (1 << 7)

#define KX224_ODCNTL_OSA_50HZ     (2)
#define KX224_ODCNTL_LPRO         (1 << 6)
#define KX224_IIR_BYPASS          (1 << 7)

#define KX224_CNTL1_VAL           (KX224_CNTL1_RES | KX224_CNTL1_GSEL_8G)
#define KX224_ODCNTL_VAL          (KX224_ODCNTL_OSA_50HZ)

#ifdef _DEBUG
#undef DEBUG_PRINT
#define DEBUG_PRINT(...) printf(__VA_ARGS__)
#else
#define DEBUG_PRINT(...)
#endif

class KX224
{
public:
    /**
    * KX224 constructor
    *
    * @param sda SDA pin
    * @param sdl SCL pin
    * @param addr slave address of the I2C peripheral (default: 0x1E)
    */
	KX224(PinName sda, PinName scl, int slave_addr = KX224_DEVICE_ADDRESS_1E);
    /**
    * KX224 destructor
    */
    ~KX224();
    uint8_t initialize(void);
    void get_val(float *data);
private:
    I2C m_i2c;
    int m_addr;
    uint16_t _g_sens;
    void write(uint8_t memory_address, char *data);
    void read(uint8_t memory_address, char *data, int size);
};

#endif // _KX224_H_