source: rtos_arduino/trunk/arduino_lib/libraries/LuckyShield/src/lib/MMA8491Q.h@ 175

/*
****************************************************************************
* This file is part of Arduino Lucky Shield Library
*
* Copyright (c) 2016 Arduino srl. All right reserved.
*
* File : MMA8491Q.h
* Date : 2016/03/21
* Revision : 0.0.1 $
* Author: andrea[at]arduino[dot]org
*
****************************************************************************

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

******************************************************************************/

#ifndef MMA8491Q_h
#define MMA8491Q_h

#include <Arduino.h>

///////////////////////////////////
// MMA8491Q Register Definitions  //
///////////////////////////////////

#define STATE                                   (uint8_t)0x00
#define GPIO_ADDRESS                    (uint8_t)0x20
#define GPIO_READ                               (uint8_t)0x00
#define GPIO_WRITE_PORT0                (uint8_t)0x02
#define ADDRESS                                 (uint8_t)0x55   

////////////////////////////////
// MMA8491Q Class Declaration  //
////////////////////////////////
class MMA8491Q
{
public: 
        MMA8491Q(uint8_t addr = ADDRESS);
        void read();
        float x(){return x_;};
        float y(){return y_;};
        float z(){return z_;};

private:
        byte address;
        uint8_t data_read;
        void readRegister(int reg);
        float value(int val);
        void enable();
        void disable();
        float x_;
        float y_;
        float z_;
        uint16_t cx;
        uint16_t cy;
        uint16_t cz;
        uint16_t state;

};

extern MMA8491Q mma8491q;

#endif