Files
allwpilib/wpilibc/wpilibC++/include/ADXL345_I2C.h
Peter Johnson 7f4e1e39ae ADXL345_I2C: Make constructor explicit.
The second argument has a default value, so it needs to be explicit.

Change-Id: I5c38f8f55f9c21576835c005acd8d80fe6864140
2014-07-27 23:59:59 -07:00

54 lines
1.7 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
/*----------------------------------------------------------------------------*/
#pragma once
#include "interfaces/Accelerometer.h"
#include "I2C.h"
/**
* ADXL345 Accelerometer on I2C.
*
* This class allows access to a Analog Devices ADXL345 3-axis accelerometer on an I2C bus.
* This class assumes the default (not alternate) sensor address of 0x1D (7-bit address).
*/
class ADXL345_I2C : public Accelerometer, public I2C
{
protected:
static const uint8_t kAddress = 0x1D;
static const uint8_t kPowerCtlRegister = 0x2D;
static const uint8_t kDataFormatRegister = 0x31;
static const uint8_t kDataRegister = 0x32;
static constexpr double kGsPerLSB = 0.00390625;
enum PowerCtlFields {kPowerCtl_Link=0x20, kPowerCtl_AutoSleep=0x10, kPowerCtl_Measure=0x08, kPowerCtl_Sleep=0x04};
enum DataFormatFields {kDataFormat_SelfTest=0x80, kDataFormat_SPI=0x40, kDataFormat_IntInvert=0x20,
kDataFormat_FullRes=0x08, kDataFormat_Justify=0x04};
public:
enum Axes {kAxis_X=0x00, kAxis_Y=0x02, kAxis_Z=0x04};
struct AllAxes
{
double XAxis;
double YAxis;
double ZAxis;
};
public:
explicit ADXL345_I2C(Port port, Range range = kRange_2G);
virtual ~ADXL345_I2C();
// Accelerometer interface
virtual void SetRange(Range range);
virtual double GetX();
virtual double GetY();
virtual double GetZ();
virtual double GetAcceleration(Axes axis);
virtual AllAxes GetAccelerations();
protected:
//I2C* m_i2c;
};