Files
allwpilib/wpilibc/wpilibC++/lib/ADXL345_I2C.cpp
thomasclark 1a77cea13a Removed AnalogModule, DigitalModule, and Module from C++
The HAL calls from Analog/DigitalModule are now directly in the classes
that use them.

Change-Id: I1cf879ab2979be903d03ab8282dfe5a5e7ae9443
2014-07-21 16:32:36 -04:00

79 lines
2.1 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. */
/*----------------------------------------------------------------------------*/
#include "ADXL345_I2C.h"
//#include "NetworkCommunication/UsageReporting.h"
#include "I2C.h"
const uint8_t ADXL345_I2C::kAddress;
const uint8_t ADXL345_I2C::kPowerCtlRegister;
const uint8_t ADXL345_I2C::kDataFormatRegister;
const uint8_t ADXL345_I2C::kDataRegister;
constexpr double ADXL345_I2C::kGsPerLSB;
/**
* Constructor.
*
* @param range The range (+ or -) that the accelerometer will measure.
*/
ADXL345_I2C::ADXL345_I2C(Port port, ADXL345_I2C::DataFormat_Range range):
I2C(port, kAddress)
{
//m_i2c = new I2C((I2C::Port)port, kAddress);
// Turn on the measurements
Write(kPowerCtlRegister, kPowerCtl_Measure);
// Specify the data format to read
Write(kDataFormatRegister, kDataFormat_FullRes | (uint8_t)range);
HALReport(HALUsageReporting::kResourceType_ADXL345, HALUsageReporting::kADXL345_I2C, 0);
}
/**
* Destructor.
*/
ADXL345_I2C::~ADXL345_I2C()
{
//delete m_i2c;
//m_i2c = NULL;
}
/**
* Get the acceleration of one axis in Gs.
*
* @param axis The axis to read from.
* @return Acceleration of the ADXL345 in Gs.
*/
double ADXL345_I2C::GetAcceleration(ADXL345_I2C::Axes axis)
{
int16_t rawAccel = 0;
//if(m_i2c)
//{
Read(kDataRegister + (uint8_t)axis, sizeof(rawAccel), (uint8_t *)&rawAccel);
//}
return rawAccel * kGsPerLSB;
}
/**
* Get the acceleration of all axes in Gs.
*
* @return Acceleration measured on all axes of the ADXL345 in Gs.
*/
ADXL345_I2C::AllAxes ADXL345_I2C::GetAccelerations()
{
AllAxes data = AllAxes();
int16_t rawData[3];
//if (m_i2c)
//{
Read(kDataRegister, sizeof(rawData), (uint8_t*)rawData);
data.XAxis = rawData[0] * kGsPerLSB;
data.YAxis = rawData[1] * kGsPerLSB;
data.ZAxis = rawData[2] * kGsPerLSB;
//}
return data;
}