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