/*
 * Function accepts a slot number and returns a value representing the type of National 
 *  Instruments card in that slot.   
 *
 *  Allen W. Ingling  7/23/99	
 */

// includes for mex API
#include "mex.h"

// includes for NIDaq API
// #include <MacHeaders.h>
#include <stdio.h>
#include <stdlib.h>
#include "nidaq.h"
#include "utility.h"

 

/* mexFunction is the gateway routine for the MEX-file. */ 
void mexFunction( int nlhs, mxArray *plhs[],
             int nrhs, const mxArray *prhs[] )
{
	
	int mrows,ncols,i;
	double *rsltPntr1;
	double niDeviceNumber, niPort, niPattern;
	i32 	error;


	
	// check to be sure that valid arguments were passed
	if (nrhs !=3) 
	{
		mexErrMsgTxt("Three inputs required.");
	}
	for (i=0;i<3;i++)
	{
		mrows = mxGetM(prhs[i]);
		ncols = mxGetN(prhs[i]);
		if (!mxIsDouble(prhs[i]) || mxIsComplex(prhs[i]) || !(mrows == 1 && ncols == 1))
			{
				mexErrMsgTxt("Inputs must be a noncomplex scalar doubles");
			}
	}

	// create matrices for the return arguments
	plhs[0] = mxCreateDoubleMatrix(1,1,mxREAL);
	rsltPntr1 = mxGetPr(plhs[0]);

	// call the NIDaq function and load results into return variables.
 	niDeviceNumber = mxGetScalar(prhs[0]);
 	niPort = mxGetScalar(prhs[1]);
 	niPattern = mxGetScalar(prhs[2]);
 	
 	error = DIG_Out_Port((u32)niDeviceNumber, (u32)niPort, (u32)niPattern);
 	*rsltPntr1 = (double)error;
 }