ms_frame.c

MatLab图像传感器网络仿真平台WiSNAP

/*******************************************************************************
 * Mouse sensor frame capture.                                                 *
 * Syntax: Imager = Ms_Frame(Port)                                             *
 *                                                                             *
 *    Input Parameters:                                                        *
 *    ================                                                         *
 *                                                                             *
 *       Port --------> Parallel port base address decimal (positive integer). *
 *                                                                             *
 *    Output Parameters:                                                       *
 *    =================                                                        *
 *                                                                             *
 *       Imager ------> Image array, 30x30 pixels, 6 bit grayscale (array).    *
 *                                                                             *
 *    See also Ms_Power(), Ms_Reset().                                         *
 *                                                                             *
 * Compile: mex -v ms_frame.c ms_spi.c inpout32.lib                            *
 * Version: 02-02-2005                                                         *
 *                                                                             *
 * (C) 2005 Stephan Hengstler, Stanford Wireless Sensor Networks Lab           *
 *******************************************************************************/


#include <stdio.h>
#include <windows.h>
#include "mex.h"

void mexFunction(int nlhs, mxArray *plhs[],int nrhs, const mxArray *prhs[])
{
	double		*result;
	short	      port;

   /* define mouse sensor parameters */
   const int   MS_IMG_WIDTH         = 30;    // Image array: Width.
   const int   MS_IMG_HEIGHT        = 30;    // Image array: Height.

   /* get the value(s) of the input variable(s) */
	port 			= (short) mxGetScalar(prhs[0]);

	/* set the value(s) of the output variable(s) */
	plhs[0] 		= mxCreateDoubleMatrix(MS_IMG_WIDTH, MS_IMG_HEIGHT, mxREAL);
   result		= mxGetPr(plhs[0]);

	/* call the respective subroutine(s) */
   ms_frame(port, result);
   
   /* show debug information */
	if (nrhs == 2)
	{
		printf("Debug Information\n");
		printf("port      = %d\n", port);
	}

	/* clean exit */
	return;
}