Subversion Repositories openrisc_2011-10-31

/*$$HEADER*/

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/*                    H E A D E R   I N F O R M A T I O N                     */

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// Project Name                   : ORPSoC v2

// File Name                      : bin2srec.c

// Prepared By                    : 

// Project Start                  : 

/*$$COPYRIGHT NOTICE*/

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/*                      C O P Y R I G H T   N O T I C E                       */

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/*

  This library is free software; you can redistribute it and/or

  modify it under the terms of the GNU Lesser General Public

  License as published by the Free Software Foundation;

  version 2.1 of the License, a copy of which is available from

  http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt.

  This library is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public

  License along with this library; if not, write to the Free Software

  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*/

/*$$DESCRIPTION*/

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/*                           D E S C R I P T I O N                            */

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//

// Generates SREC file output to stdout from binary file

//

#include <stdio.h>

#include <stdlib.h>

#define SMARK "S214"

#define SADDR 0x000000

#define INIT_ADDR 0x100100

#define SCHKSUM 0xff

int main(int argc, char **argv)

{

        FILE  *fd;

        int c, j;

        unsigned long addr = INIT_ADDR;

        unsigned char chksum;

        if(argc < 2) {

                fprintf(stderr,"no input file specified\n");

                exit(1);

        }

        if(argc > 2) {

                fprintf(stderr,"too many input files (more than one) specified\n");

                exit(1);

        }

        fd = fopen( argv[1], "r" );

        if (fd == NULL) {

                fprintf(stderr,"failed to open input file: %s\n",argv[1]);

                exit(1);

        }

        while (!feof(fd)) {

                j = 0;

                chksum = SCHKSUM;

                printf("%s%.6lx", SMARK, addr);

                while (j < 16) {

                        c = fgetc(fd);

                        if (c == EOF) {

                                c = 0;

                        }

                        printf("%.2x", c);

                        chksum -= c;

                        j++;

                }

                chksum -= addr & 0xff;

                chksum -= (addr >> 8) & 0xff;

                chksum -= (addr >> 16) & 0xff;

                chksum -= 0x14;

                printf("%.2x\r\n", chksum);

                addr += 16;

        }

        return 0;

}