PQ_Hybrid_Electrical_Equipment_Team / ADXL375_i2c

3軸加速度センサADXL375のI2Cライブラリ MPU9250では取れないような大きな加速度が取得できます データは粗目です

Dependents:   Hybrid_IZU2019 SWAN_IZU2019_v1 Shock_Alt_Logger_v2_1 ADXL375_Test

ADXL375_i2c.h

Committer:
Sigma884
Date:
2018-11-14
Revision:
0:46fcf349bdca

File content as of revision 0:46fcf349bdca:

#ifndef ADXL375_I2C_H
#define ADXL375_I2C_H

#include "mbed.h"

//Registers.
#define ADXL375_DEVID_REG          0x00
#define ADXL375_THRESH_TAP_REG     0x1D
#define ADXL375_OFSX_REG           0x1E
#define ADXL375_OFSY_REG           0x1F
#define ADXL375_OFSZ_REG           0x20
#define ADXL375_DUR_REG            0x21
#define ADXL375_LATENT_REG         0x22
#define ADXL375_WINDOW_REG         0x23
#define ADXL375_THRESH_ACT_REG     0x24
#define ADXL375_THRESH_INACT_REG   0x25
#define ADXL375_TIME_INACT_REG     0x26
#define ADXL375_ACT_INACT_CTL_REG  0x27
#define ADXL375_THRESH_FF_REG      0x28
#define ADXL375_TIME_FF_REG        0x29
#define ADXL375_TAP_AXES_REG       0x2A
#define ADXL375_ACT_TAP_STATUS_REG 0x2B
#define ADXL375_BW_RATE_REG        0x2C
#define ADXL375_POWER_CTL_REG      0x2D
#define ADXL375_INT_ENABLE_REG     0x2E
#define ADXL375_INT_MAP_REG        0x2F
#define ADXL375_INT_SOURCE_REG     0x30
#define ADXL375_DATA_FORMAT_REG    0x31
#define ADXL375_DATAX0_REG         0x32
#define ADXL375_DATAX1_REG         0x33
#define ADXL375_DATAY0_REG         0x34
#define ADXL375_DATAY1_REG         0x35
#define ADXL375_DATAZ0_REG         0x36
#define ADXL375_DATAZ1_REG         0x37
#define ADXL375_FIFO_CTL           0x38
#define ADXL375_FIFO_STATUS        0x39

//Data rate codes.
#define ADXL375_3200HZ      0x0F
#define ADXL375_1600HZ      0x0E
#define ADXL375_800HZ       0x0D
#define ADXL375_400HZ       0x0C
#define ADXL375_200HZ       0x0B
#define ADXL375_100HZ       0x0A
#define ADXL375_50HZ        0x09
#define ADXL375_25HZ        0x08
#define ADXL375_12HZ5       0x07
#define ADXL375_6HZ25       0x06

// when ALT ADDRESS pin is LOW
#define ADXL375_I2C_LOW_READ    0xA7
#define ADXL375_I2C_LOW_WRITE   0xA6
#define ADXL375_I2C_LOW_ADDRESS 0x53

//when ALT ADDRESS pin is HIGH
#define ADXL375_I2C_HIGH_READ    0x3B
#define ADXL375_I2C_HIGH_WRITE   0x3A
#define ADXL375_I2C_HIGH_ADDRESS 0x1D

#define ADXL375_X           0x00
#define ADXL375_Y           0x01
#define ADXL375_Z           0x02

// modes
#define MeasurementMode     0x08
class ADXL375_i2c
{

public:

    typedef enum{
        ALT_ADDRESS_LOW,
        ALT_ADDRESS_HIGH
    }ALT_ADDRESS;
    
    ADXL375_i2c(I2C &userI2C, ALT_ADDRESS LOW_HIGH);
    
    void getOutput(float* output);
    
    int whoAmI();
    
    void offset(float x, float y, float z);
    
    void setDataRate(char rate);
    
private:
    
    I2C *i2c;
    char ADXL375_I2C_READ;
    char ADXL375_I2C_WRITE;
    char ADXL375_I2C_ADDRESS;
    
    float offset_x, offset_y, offset_z;
    
    char singleByteRead(char address);
    void singleByteWrite(char address, char data);
    void multiByteRead(char startAddress, char* ptr_output, int size);
    
};

#endif