main_demo.c

基于dsp55系列的指纹识别系统。已调试通过

/****************************************************************************
*
*             
*             TEXAS INSTRUMENTS PROPRIETARY INFORMATION
*
*  (c) Copyright, Texas Instruments Incorporated, 2003.
*      All Rights Reserved.
*
*  Property of Texas Instruments Incorporated. Restricted Rights -
*  Use, duplication, or disclosure is subject to restrictions set
*  forth in TI's program license agreement and associated documentation.
*
***************************************************************************** 
*****************************************************************************
*
* NAME: main.c
*   
*
* DESCRIPTION: main file to test the image readout from Fingerprint Card FPC1010 sensor
*   
*
*   CREATED:       05/20/2002 
*   MODIFIED:      06/13/2003 
*   
*
* COMPILATION: CCS 2.12.07
*   
*
****************************************************************************/

/* Include files */
#include <csl.h>
#include <stdio.h>


#include "dsk5510.h"
#include "dsk5510_led.h"
#include "fpc1010.h"
#include "spi.h"


//The fingerprint is 152*200 bytes, but an area of
//208*160 bytes needs to be allocated for the fingerprint  
#pragma DATA_SECTION(image,"imagebuf")
unsigned char image[208][160];

/* Global Variables used for gel file */
unsigned captureFP=0,exitDemo=0;




/*Function needed for GEL control*/
void dummyFunc(void)
{
 
}



void main(void) 
{              
	
	
	unsigned pcrValue = 0x0A0C;// FSXM=1,CLKXM=1, FSXP and FSRP=1
	
	unsigned freq = 0x0045; //CLKGDV = 69, 200Mhz/(1+CLKGDV)=2.8571Mhz
	
	unsigned xcr2Value = 0x0005;
	
	unsigned char	*imageptr;

     /* Call BSL init */
     /*Sets all CPLD registers to their power-on states 
     and initializes internal BSL data structures. Must be called
     before any other BSL functions.*/
     
     
     DSK5510_init();
     
     
     /*Initialize the LED module.  Must be called before any LED functions.*/
     DSK5510_LED_init();
     
     
     /*Initialize CSL*/
    CSL_init();
     
     /*To connect DSP's TIN0 and TIN1 (timer)signals as 
     outputs to the peripheral expansion connectors */
     
     DSK5510_rset(DSK5510_MISC , 0xC);
     
     
     
     /*Timer 1 and Timer 0 are used to Enable/Disable and Set/Reset Sensor*/
     /* Configure timer pin function to be General Purpose output, by setting
     the FUNC bits (bit(s) 12-11) of Timer Control Registers (TCR1 and TCR0) as 10b */ 
	*(volatile unsigned ioport *)0x1002 = 0x1000;
	*(volatile unsigned ioport *)0x2402 = 0x1000;
     
     
     
    
    /*Initialize McBSP0 for SPI communication, McBSP as Master*/
    //2.8571 Mhz
   	SPI_init(pcrValue,freq,xcr2Value);
	
	imageptr = &image[0][0];
	//Most printf statements are commented out, as they occupy extra memory
	/*printf (" To capture fingerprint: \n");
    
    printf (" Place your finger on the sensor \n");
    printf (" Under Menu GEL , choose>> DemoMenu->CaptureFingerPrint \n");
	printf (" ====================================================== \n");*/
	

	waitForFP:	
		while(!captureFP){
			if(exitDemo) { /* user want to exit the demo ? */
			printf (" Exiting the Demo for FPC1010 on 5510DSK... \n");
			 exit(); }
		}
		captureFP=0;
	
	printf (" Capturing Image...\n");
	/* The sensor has to be initialized before every call to the read image function */
	sensorInit();
	
	/*Read complete image from the sensor*/
	readImage(imageptr); 
	
	printf (" Reading Done. You may remove your finger.\n");
    /*printf (" ****************************************************** \n");
    printf (" To recapture fingerprint: \n");
    printf (" Place your finger on the sensor \n");
    printf (" GEL>> DemoMenu->CaptureFingerPrint \n");
    printf (" ====================================================== \n");
    printf (" To Exit Demo: \n");
    printf (" Under Menu GEL , choose>> DemoMenu->ExitDemo \n");
    printf (" ====================================================== \n");*/
	dummyFunc(); /* dummy function for  refeshing the image */
	
	goto waitForFP; //infinite loop	
	
	
} /* End of main() */