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/**************************************************************************
* *
* ADXL345 Driver for Arduino *
* *
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU License. *
* This program 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 License V2 for more details. *
* *
***************************************************************************/
#include "WProgram.h"
#ifndef ADXL345_h
#define ADXL345_h
/* -- ADXL345 addresses --*/
#define ADXL345_ADDR_ALT_HIGH 0x1D // ADXL345 address when ALT is connected to HIGH
#define ADXL345_ADDR_ALT_LOW 0x53 // ADXL345 address when ALT is connected to LOW
/* ------- Register names ------- */
#define ADXL345_DEVID 0x00
#define ADXL345_RESERVED1 0x01
#define ADXL345_THRESH_TAP 0x1d
#define ADXL345_OFSX 0x1e
#define ADXL345_OFSY 0x1f
#define ADXL345_OFSZ 0x20
#define ADXL345_DUR 0x21
#define ADXL345_LATENT 0x22
#define ADXL345_WINDOW 0x23
#define ADXL345_THRESH_ACT 0x24
#define ADXL345_THRESH_INACT 0x25
#define ADXL345_TIME_INACT 0x26
#define ADXL345_ACT_INACT_CTL 0x27
#define ADXL345_THRESH_FF 0x28
#define ADXL345_TIME_FF 0x29
#define ADXL345_TAP_AXES 0x2a
#define ADXL345_ACT_TAP_STATUS 0x2b
#define ADXL345_BW_RATE 0x2c
#define ADXL345_POWER_CTL 0x2d
#define ADXL345_INT_ENABLE 0x2e
#define ADXL345_INT_MAP 0x2f
#define ADXL345_INT_SOURCE 0x30
#define ADXL345_DATA_FORMAT 0x31
#define ADXL345_DATAX0 0x32
#define ADXL345_DATAX1 0x33
#define ADXL345_DATAY0 0x34
#define ADXL345_DATAY1 0x35
#define ADXL345_DATAZ0 0x36
#define ADXL345_DATAZ1 0x37
#define ADXL345_FIFO_CTL 0x38
#define ADXL345_FIFO_STATUS 0x39
#define ADXL345_BW_1600 0xF // 1111
#define ADXL345_BW_800 0xE // 1110
#define ADXL345_BW_400 0xD // 1101
#define ADXL345_BW_200 0xC // 1100
#define ADXL345_BW_100 0xB // 1011
#define ADXL345_BW_50 0xA // 1010
#define ADXL345_BW_25 0x9 // 1001
#define ADXL345_BW_12 0x8 // 1000
#define ADXL345_BW_6 0x7 // 0111
#define ADXL345_BW_3 0x6 // 0110
/*
Interrupt PINs
INT1: 0
INT2: 1
*/
#define ADXL345_INT1_PIN 0x00
#define ADXL345_INT2_PIN 0x01
/*
Interrupt bit position
*/
#define ADXL345_INT_DATA_READY_BIT 0x07
#define ADXL345_INT_SINGLE_TAP_BIT 0x06
#define ADXL345_INT_DOUBLE_TAP_BIT 0x05
#define ADXL345_INT_ACTIVITY_BIT 0x04
#define ADXL345_INT_INACTIVITY_BIT 0x03
#define ADXL345_INT_FREE_FALL_BIT 0x02
#define ADXL345_INT_WATERMARK_BIT 0x01
#define ADXL345_INT_OVERRUNY_BIT 0x00
#define ADXL345_OK 1 // no error
#define ADXL345_ERROR 0 // indicates error is predent
#define ADXL345_NO_ERROR 0 // initial state
#define ADXL345_READ_ERROR 1 // problem reading accel
#define ADXL345_BAD_ARG 2 // bad method argument
class ADXL345
{
public:
bool status; // set when error occurs
// see error code for details
byte error_code; // Initial state
float gains[3]; // counts to Gs
ADXL345();
void init(int address);
void powerOn();
void readAccel(int* xyx);
void readAccel(int* x, int* y, int* z);
void get_Gxyz(float *xyz);
void setTapThreshold(int tapThreshold);
int getTapThreshold();
void setAxisGains(float *_gains);
void getAxisGains(float *_gains);
void setAxisOffset(int x, int y, int z);
void getAxisOffset(int* x, int* y, int*z);
void setTapDuration(int tapDuration);
int getTapDuration();
void setDoubleTapLatency(int floatTapLatency);
int getDoubleTapLatency();
void setDoubleTapWindow(int floatTapWindow);
int getDoubleTapWindow();
void setActivityThreshold(int activityThreshold);
int getActivityThreshold();
void setInactivityThreshold(int inactivityThreshold);
int getInactivityThreshold();
void setTimeInactivity(int timeInactivity);
int getTimeInactivity();
void setFreeFallThreshold(int freeFallthreshold);
int getFreeFallThreshold();
void setFreeFallDuration(int freeFallDuration);
int getFreeFallDuration();
bool isActivityXEnabled();
bool isActivityYEnabled();
bool isActivityZEnabled();
bool isInactivityXEnabled();
bool isInactivityYEnabled();
bool isInactivityZEnabled();
bool isActivityAc();
bool isInactivityAc();
void setActivityAc(bool state);
void setInactivityAc(bool state);
bool getSuppressBit();
void setSuppressBit(bool state);
bool isTapDetectionOnX();
void setTapDetectionOnX(bool state);
bool isTapDetectionOnY();
void setTapDetectionOnY(bool state);
bool isTapDetectionOnZ();
void setTapDetectionOnZ(bool state);
void setActivityX(bool state);
void setActivityY(bool state);
void setActivityZ(bool state);
void setInactivityX(bool state);
void setInactivityY(bool state);
void setInactivityZ(bool state);
bool isActivitySourceOnX();
bool isActivitySourceOnY();
bool isActivitySourceOnZ();
bool isTapSourceOnX();
bool isTapSourceOnY();
bool isTapSourceOnZ();
bool isAsleep();
bool isLowPower();
void setLowPower(bool state);
float getRate();
void setRate(float rate);
void set_bw(byte bw_code);
byte get_bw_code();
byte getInterruptSource();
bool getInterruptSource(byte interruptBit);
bool getInterruptMapping(byte interruptBit);
void setInterruptMapping(byte interruptBit, bool interruptPin);
bool isInterruptEnabled(byte interruptBit);
void setInterrupt(byte interruptBit, bool state);
void getRangeSetting(byte* rangeSetting);
void setRangeSetting(int val);
bool getSelfTestBit();
void setSelfTestBit(bool selfTestBit);
bool getSpiBit();
void setSpiBit(bool spiBit);
bool getInterruptLevelBit();
void setInterruptLevelBit(bool interruptLevelBit);
bool getFullResBit();
void setFullResBit(bool fullResBit);
bool getJustifyBit();
void setJustifyBit(bool justifyBit);
void printAllRegister();
void writeTo(byte address, byte val);
private:
void readFrom(byte address, int num, byte buff[]);
void setRegisterBit(byte regAdress, int bitPos, bool state);
bool getRegisterBit(byte regAdress, int bitPos);
byte _buff[6] ; //6 bytes buffer for saving data read from the device
int _dev_address;
};
void print_byte(byte val);
#endif