Adafruit_ADXL345_U.h

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

#ifndef Adafruit_ADXL345_h
#define Adafruit_ADXL345_h

#if ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif

#include <Adafruit_I2CDevice.h>
#include <Adafruit_SPIDevice.h>
#include <Adafruit_Sensor.h>

/*=========================================================================
    I2C ADDRESS/BITS
    -----------------------------------------------------------------------*/
#define ADXL345_DEFAULT_ADDRESS (0x53) 
/*=========================================================================*/

/*=========================================================================
    REGISTERS
    -----------------------------------------------------------------------*/
#define ADXL345_REG_DEVID (0x00)        
#define ADXL345_REG_THRESH_TAP (0x1D)   
#define ADXL345_REG_OFSX (0x1E)         
#define ADXL345_REG_OFSY (0x1F)         
#define ADXL345_REG_OFSZ (0x20)         
#define ADXL345_REG_DUR (0x21)          
#define ADXL345_REG_LATENT (0x22)       
#define ADXL345_REG_WINDOW (0x23)       
#define ADXL345_REG_THRESH_ACT (0x24)   
#define ADXL345_REG_THRESH_INACT (0x25) 
#define ADXL345_REG_TIME_INACT (0x26)   
#define ADXL345_REG_ACT_INACT_CTL                                              \
  (0x27) 
#define ADXL345_REG_THRESH_FF (0x28) 
#define ADXL345_REG_TIME_FF (0x29)   
#define ADXL345_REG_TAP_AXES (0x2A)  
#define ADXL345_REG_ACT_TAP_STATUS (0x2B) 
#define ADXL345_REG_BW_RATE (0x2C)        
#define ADXL345_REG_POWER_CTL (0x2D)      
#define ADXL345_REG_INT_ENABLE (0x2E)     
#define ADXL345_REG_INT_MAP (0x2F)        
#define ADXL345_REG_INT_SOURCE (0x30)     
#define ADXL345_REG_DATA_FORMAT (0x31)    
#define ADXL345_REG_DATAX0 (0x32)         
#define ADXL345_REG_DATAX1 (0x33)         
#define ADXL345_REG_DATAY0 (0x34)         
#define ADXL345_REG_DATAY1 (0x35)         
#define ADXL345_REG_DATAZ0 (0x36)         
#define ADXL345_REG_DATAZ1 (0x37)         
#define ADXL345_REG_FIFO_CTL (0x38)       
#define ADXL345_REG_FIFO_STATUS (0x39)    
/*=========================================================================*/

/*=========================================================================
    REGISTERS
    -----------------------------------------------------------------------*/
#define ADXL345_MG2G_MULTIPLIER (0.004) 
/*=========================================================================*/

typedef enum {
  ADXL345_DATARATE_3200_HZ = 0b1111, 
  ADXL345_DATARATE_1600_HZ = 0b1110, 
  ADXL345_DATARATE_800_HZ = 0b1101,  
  ADXL345_DATARATE_400_HZ = 0b1100,  
  ADXL345_DATARATE_200_HZ = 0b1011,  
  ADXL345_DATARATE_100_HZ = 0b1010,  
  ADXL345_DATARATE_50_HZ = 0b1001,   
  ADXL345_DATARATE_25_HZ = 0b1000,   
  ADXL345_DATARATE_12_5_HZ = 0b0111, 
  ADXL345_DATARATE_6_25HZ = 0b0110,  
  ADXL345_DATARATE_3_13_HZ = 0b0101, 
  ADXL345_DATARATE_1_56_HZ = 0b0100, 
  ADXL345_DATARATE_0_78_HZ = 0b0011, 
  ADXL345_DATARATE_0_39_HZ = 0b0010, 
  ADXL345_DATARATE_0_20_HZ = 0b0001, 
  ADXL345_DATARATE_0_10_HZ =
      0b0000 
} dataRate_t;

typedef enum {
  ADXL345_RANGE_16_G = 0b11, 
  ADXL345_RANGE_8_G = 0b10,  
  ADXL345_RANGE_4_G = 0b01,  
  ADXL345_RANGE_2_G = 0b00   
} range_t;

class Adafruit_ADXL345_Unified : public Adafruit_Sensor {
public:
  Adafruit_ADXL345_Unified(int32_t sensorID = -1);
  Adafruit_ADXL345_Unified(uint8_t clock, uint8_t miso, uint8_t mosi,
                           uint8_t cs, int32_t sensorID = -1);
  ~Adafruit_ADXL345_Unified();

  bool begin(uint8_t addr = ADXL345_DEFAULT_ADDRESS);
  void setRange(range_t range);
  range_t getRange(void);
  void setDataRate(dataRate_t dataRate);
  dataRate_t getDataRate(void);
  bool getEvent(sensors_event_t *);
  void getSensor(sensor_t *);

  uint8_t getDeviceID(void);
  void writeRegister(uint8_t reg, uint8_t value);
  uint8_t readRegister(uint8_t reg);
  int16_t read16(uint8_t reg);

  int16_t getX(void), getY(void), getZ(void);

private:
  Adafruit_I2CDevice *i2c_dev = NULL; 
  Adafruit_SPIDevice *spi_dev = NULL; 

  int32_t _sensorID;
  range_t _range;
};

#endif // Adafruit_ADXL345_h