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[/] [minsoc/] [branches/] [rc-1.0/] [sw/] [utils/] [bin2hex.c] - Rev 130
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/*$$HEADER*/ /******************************************************************************/ /* */ /* H E A D E R I N F O R M A T I O N */ /* */ /******************************************************************************/ // Project Name : ORPSoC v2 // File Name : bin2hex.c // Prepared By : // Project Start : /*$$COPYRIGHT NOTICE*/ /******************************************************************************/ /* */ /* C O P Y R I G H T N O T I C E */ /* */ /******************************************************************************/ /* 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*/ /******************************************************************************/ /* */ /* D E S C R I P T I O N */ /* */ /******************************************************************************/ // // Generates basic ASCII hex output to stdout from binary file input // Compile and run the program with no options for usage. // #include <stdio.h> #include <stdlib.h> #include <string.h> /* Number of bytes before line is broken For example if target flash is 8 bits wide, define BREAK as 1. If it is 16 bits wide, define it as 2 etc. */ #define BREAK 1 int main(int argc, char **argv) { FILE *fd; int c; int i = 0; int write_size_word=0; // Disabled by default int filename_index=1; int bytes_per_line=1; int bytes_per_line_index=2; unsigned int image_size; if(argc < 3) { fprintf(stderr,"\n\tInsufficient options.\n"); fprintf(stderr,"\tPlease specify, in this order: a binary file to\n"); fprintf(stderr,"\tconvert and the number of bytes of data to putput\n"); fprintf(stderr,"\tper line.\n"); fprintf(stderr,"\tOptionally specify the option -size_word to output,\n"); fprintf(stderr,"\tthe size of the image in the first 4 bytes. This is\n"); fprintf(stderr,"\tused by some of the new OR1k bootloaders.\n\n"); exit(1); } if(argc == 4) { if (strcmp("-size_word", argv[3]) == 0) // We will calculate the number of bytes first write_size_word=1; } fd = fopen( argv[filename_index], "r" ); bytes_per_line = atoi(argv[bytes_per_line_index]); if ((bytes_per_line == 0) || (bytes_per_line > 8)) { fprintf(stderr,"bytes per line incorrect or missing: %s\n",argv[bytes_per_line_index]); exit(1); } // Now subtract 1 from bytes_per_line //if (bytes_per_line == 2) // bytes_per_line--; if (fd == NULL) { fprintf(stderr,"failed to open input file: %s\n",argv[1]); exit(1); } if (write_size_word) { // or1200 startup method of determining size of boot image we're copying by reading out // the very first word in flash is used. Determine the length of this file fseek(fd, 0, SEEK_END); image_size = ftell(fd); fseek(fd,0,SEEK_SET); // Now we should have the size of the file in bytes. Let's ensure it's a word multiple image_size+=3; image_size &= 0xfffffffc; // Sanity check on image size if (image_size < 8){ fprintf(stderr, "Bad binary image. Size too small\n"); return 1; } // Now write out the image size i=0; printf("%.2x",(image_size >> 24) & 0xff); if(++i==bytes_per_line){ printf("\n"); i=0; } printf("%.2x",(image_size >> 16) & 0xff); if(++i==bytes_per_line){ printf("\n"); i=0; } printf("%.2x",(image_size >> 8) & 0xff); if(++i==bytes_per_line){ printf("\n"); i=0; } printf("%.2x",(image_size) & 0xff); if(++i==bytes_per_line){ printf("\n"); i=0; } } // Fix for the current bootloader software! Skip the first 4 bytes of application data. Hopefully it's not important. 030509 -- jb for(i=0;i<4;i++) c=fgetc(fd); i=0; // Now write out the binary data to hex format while ((c = fgetc(fd)) != EOF) { printf("%.2x", (unsigned int) c); if (++i == bytes_per_line) { printf("\n"); i = 0; } } return 0; }
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