axmol/cocos2dx/platform/qnx/CCAccelerometer_qnx.cpp

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#include "CCAccelerometer_qnx.h"

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <bps/accelerometer.h>
#include <fcntl.h>

#define BUFFER_SIZE 			30

NS_CC_BEGIN

int	CCAccelerometer::m_initialOrientationAngle = 0;

CCAccelerometer::CCAccelerometer()
{
	m_pAccelDelegate = NULL;
	m_initialOrientationAngle = atoi(getenv("ORIENTATION"));

	accelerometer_set_update_frequency(FREQ_40_HZ);
}

CCAccelerometer::~CCAccelerometer()
{

}

void CCAccelerometer::setDelegate(CCAccelerometerDelegate* pDelegate)
{
	m_pAccelDelegate = pDelegate;
}

void CCAccelerometer::update(long timeStamp)
{
	if ( m_pAccelDelegate != NULL)
	{
		int angle = atoi(getenv("ORIENTATION"));

		double x, y, z;

		accelerometer_read_forces(&x, &y, &z);

		if (m_initialOrientationAngle == 270)
	    {
	    	m_accelerationValue.x = y;
	    	m_accelerationValue.y = -x;
	    }
		else if (m_initialOrientationAngle == 90)
		{
			m_accelerationValue.x = -y;
			m_accelerationValue.y = x;
		}
		else if (m_initialOrientationAngle == 0)
		{
			m_accelerationValue.x = x;
			m_accelerationValue.y = y;
	    }
		else if (m_initialOrientationAngle == 180)
		{
			m_accelerationValue.x = -x;
			m_accelerationValue.y = -y;
		}

		m_accelerationValue.z = z;
		m_accelerationValue.timestamp = (double)timeStamp;

		m_pAccelDelegate->didAccelerate(&m_accelerationValue);
	}
}

NS_CC_END