Stanley Cohen / MMA8451Q8b

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   KL46z_single_tap_empty_DE_4_1_PROJECT1B_wInterrupts KL46z_single_tap_empty_DE_4_1_PROJECT1D KL46z_single_tap_generic RAHUL_KL46z_single_tap_generic_copy ... more

Fork of MMA8451Q8a by Stanley Cohen

MMA8451Q.h

Committer:
emilmont
Date:
2012-10-11
Revision:
0:6149091f755d
Child:
1:d2630136d51e

File content as of revision 0:6149091f755d:

#ifndef MMA8451Q_H
#define MMA8451Q_H

#include "mbed.h"

//!Library for the MMA8451Q motion sensor.
class MMA8451Q
{
public:
  //!Creates an instance of the class.
  /*
  * Connect module at I2C address addr using I2C port pins sda and scl.
  * MMA8451Q
  * \param sda SDA pin
  * \param sdl SCL pin
  * \param addr addr of the I2C peripheral
  */
  MMA8451Q(PinName sda, PinName scl, int addr);

  /*
  * Destroys instance.
  */
  ~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
   */
  int16_t getAccX();

  /*
   * Get Y axis acceleration
   *
   * \returns Y axis acceleration
   */
  int16_t getAccY();

  /*
   * Get Z axis acceleration
   *
   * \returns Z axis acceleration
   */
  int16_t getAccZ();

  /*
   * Get XYZ axis acceleration
   *
   * \param res array where acceleration data will be stored
   */
  void    getAccAllAxis(int16_t * res);

  I2C m_i2c;

private:
  int m_addr;
  void read_regs(int addr, uint8_t * data, int len);
  void write_regs(uint8_t * data, int len);
  int16_t getAccAxis(uint8_t addr);

};

#endif