Matlab 7.1+ and Visual Studio 2005

// MatlabVS.cpp : Defines the entry point for the console application.
// by A. Bryant Nichols Jr. 2007

#include "stdafx.h"
#include <Windows.h>
#include "mex.h"
#include "matrix.h"
//#include <AerSys.h>

void StartDevice();

int iCase=0;
double dist1=0;
double dist2=0;
double dXPos, dYPos;
double *data1;
TCHAR szProgram[_MAX_PATH];
const double AZCOUNTS=87466.666667;
const double ELCOUNTS=-65777.777778;

void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
	if (nrhs>0)
	{
		data1 = mxGetPr(prhs[0]);
		iCase = (int)data1[0];
	}
	if (nrhs>1)
	{
		data1 = mxGetPr(prhs[1]);
		dist1 = data1[0];
		if (iCase==4)
		{
			char buf[128];
			mwSize buflen;
			/* Allocate enough memory to hold the converted string. */ 
			buflen = mxGetNumberOfElements(prhs[1]) + 1;		
			mxGetString(prhs[1], buf, buflen);
			sprintf_s(szProgram,buf);
		}
	}
	if (nrhs>2)
	{
		data1 = mxGetPr(prhs[2]);
		dist2 = data1[0];
	}
	StartDevice();
	if (iCase==3)
	{
		if (nlhs>=2)
		{
			plhs[0] = mxCreateDoubleMatrix(1, 1, mxREAL);
			plhs[1] = mxCreateDoubleMatrix(1, 1, mxREAL);
			data1 = mxGetPr(plhs[0]);
			data1[0] = dXPos/AZCOUNTS;
			data1 = mxGetPr(plhs[1]);
			data1[0] = dYPos/ELCOUNTS;
		}
	}
	return;
}

// This function is just an example, it will not compile without the correct libraries.
void StartDevice()
{
/*	HAERCTRL          hAerCtrl = NULL;
	AERERR_CODE       eRc = AERERR_NOERR;
	HCOMPILER         hCompiler = NULL;
	DWORD             dwSpeeds[2];
	LONG              lDists[2];
	DWORD			  dwMode;

	if (iCase==1)
	{
		printf("Initializing...");
		eRc = AerSysInitialize( 0, NULL, 1, &hAerCtrl, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
		eRc = AerMoveEnable( hAerCtrl, AXISINDEX_1);
		eRc = AerMoveWaitDone( hAerCtrl, AXISINDEX_1, 1000, 0 );
		eRc = AerMoveEnable( hAerCtrl, AXISINDEX_2);
		eRc = AerMoveWaitDone( hAerCtrl, AXISINDEX_2, 1000, 0 );
		Sleep(1000);
	}
	else
	{
		eRc = AerSysOpen( AER_UNIDEX_DEFAULT, AER_CARD_DEFAULT, &hAerCtrl );
		if( hAerCtrl )
		{
			switch (iCase)
			{
			case 0:
				// Exit activities
				printf("Shutting Down NDrives...");
				lDists[0]=0;
				lDists[1]=0;
				dwSpeeds[0]=(DWORD)AZCOUNTS*10;
				dwSpeeds[1]=(DWORD)AZCOUNTS*10;
				eRc = AerMoveMAbsolute( hAerCtrl, (AXISMASK_1 | AXISMASK_2), lDists, dwSpeeds);
				eRc = AerMoveMWaitDone( hAerCtrl, (AXISMASK_1 | AXISMASK_2), 1000, 0 );
				// Reset Drive hardware (kills SMC also)
				eRc = AerSysStop( hAerCtrl );
				break;
			case 2:
				//Move Absolute Function
				lDists[0]=AZCOUNTS*dist1;
				lDists[1]=ELCOUNTS*dist2;
				dwSpeeds[0]=(DWORD)AZCOUNTS*10;
				dwSpeeds[1]=(DWORD)AZCOUNTS*10;
				eRc = AerMoveMAbsolute( hAerCtrl, (AXISMASK_1 | AXISMASK_2), lDists, dwSpeeds);
				eRc = AerMoveMWaitDone( hAerCtrl, (AXISMASK_1 | AXISMASK_2), 1000, 0 );
				Sleep(1000);
				break;
			case 3:
				//Position Return
				eRc = AerParmGetValue( hAerCtrl, AER_PARMTYPE_AXIS, AXISINDEX_1, AXISPARM_PositionCnts, 0, &dXPos);
				eRc = AerParmGetValue( hAerCtrl, AER_PARMTYPE_AXIS, AXISINDEX_2, AXISPARM_PositionCnts, 0, &dYPos);
				printf( "AZ Pos: %f", dXPos/AZCOUNTS);
				printf( "EL Pos: %f", dYPos/ELCOUNTS);
				break;
			case 4:
				//Run GCode Program
				printf("Running Program...");
				dwMode = AERPROG_RUN_FILE_CMPL;
				eRc = AerProgramRun( hAerCtrl, szProgram, dwMode, TASKINDEX_1);
				break;
			case 5:
				//Move Incremental Function
				lDists[0]=AZCOUNTS*dist1;
				lDists[1]=ELCOUNTS*dist2;
				dwSpeeds[0]=(DWORD)AZCOUNTS*10;
				dwSpeeds[1]=(DWORD)AZCOUNTS*10;
				eRc = AerMoveMIncremental( hAerCtrl, (AXISMASK_1 | AXISMASK_2), lDists, dwSpeeds);
				Sleep(1000);
				break;
			case 6:
				//Home
				printf("Homing...");
				eRc = AerMoveHome( hAerCtrl, AXISINDEX_1 );
				eRc = AerMoveWaitDone( hAerCtrl, AXISINDEX_1, 1000, 0 );
				Sleep(25000);
				eRc = AerMoveHome( hAerCtrl, AXISINDEX_2 );
				eRc = AerMoveWaitDone( hAerCtrl, AXISINDEX_2, 1000, 0 );
				Sleep(25000);	
				printf("Homing Complete.");
			}
		}
		else
			printf("NMotion Handle Not Found.");
	}
	printf("\n");
	return;*/
}