neww

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/*
 * helloworld.c: simple test application
 *
 * This application configures UART 16550 to baud rate 9600.
 * PS7 UART (Zynq) is not initialized by this application, since
 * bootrom/bsp configures it to baud rate 115200
 *
 * ------------------------------------------------
 * | UART TYPE   BAUD RATE                        |
 * ------------------------------------------------
 *   uartns550   9600
 *   uartlite    Configurable only in HW design
 *   ps7_uart    115200 (configured by bootrom/bsp)
 */

#include <stdio.h>
#include <string.h>
#include "platform.h"
#include "xil_printf.h"


char digits[] = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
int sbox1[] = {3,8,15,1,10,6,5,11,14,13,4,2,7,0,9,12};
int sbox2[] = {15,12,2,7,9,0,5,10,1,11,14,8,6,13,3,4};
int sbox3[] = {8, 6, 7, 9, 3, 12, 10, 15, 13, 1, 14, 4, 0, 11, 5, 2};
int sbox4[] = {0, 15, 11, 8, 12, 9, 6, 3, 13, 1, 2, 4, 10, 7, 5, 14};
int sbox5[] = {1, 15, 8, 3, 12, 0, 11, 6, 2, 5, 4, 10, 9, 14, 7, 13};
int sbox6[] = {15, 5, 2, 11, 4, 10, 9, 12, 0, 3, 14, 8, 13, 6, 7, 1};
int sbox7[] = {7, 2, 12, 5, 8, 4, 6, 11, 14, 9, 1, 15, 13, 3, 10, 0};
int sbox8[] = {1, 13, 15, 0, 14, 8, 2, 11, 7, 4, 12, 10, 9, 3, 5, 6};
char command[174];//Can be any size
int i,count=0, result;
int j=0,k;
int matric_no;
int id;


void lab2(k)
{
	switch(k)
	{
	case 1:
    for(i=0;i < 174; i++)
    {

        command[i] = getchar();
        while(j<16)
        {
            if(digits[j]==command[i])
            {
                //printf("%c",digits[j]);

                break;
            }
            else
            {
                j++;
            }
            count=count+1;

        }
        printf("%d", sbox1[count]);
        j=0;
        count=0;
    }
    break;

	case 2:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox2[count]);
	        j=0;
	        count=0;
	    }
	    break;
	case 3:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox1[count]);
	        j=0;
	        count=0;
	    }
	    break;
	case 4:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox1[count]);
	        j=0;
	        count=0;
	    }
	    break;
	case 5:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox1[count]);
	        j=0;
	        count=0;
	    }
	    break;
	case 6:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox1[count]);
	        j=0;
	        count=0;
	    }
	    break;
	case 7:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox1[count]);
	        j=0;
	        count=0;
	    }
	    break;
	case 8:
	    for(i=0;i < 174; i++)
	    {

	        command[i] = getchar();
	        while(j<16)
	        {
	            if(digits[j]==command[i])
	            {
	                //printf("%c",digits[j]);

	                break;
	            }
	            else
	            {
	                j++;
	            }
	            count=count+1;

	        }
	        printf("%d", sbox1[count]);
	        j=0;
	        count=0;
	    }
	    break;

	}
	default:
		printf("invalid\n");
	    printf("\n");
}

int main()
{
	init_platform();

	matric_no = getchar();
	id=matric_no%8;
    lab2(id);

    cleanup_platform();
    return 0;
}