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csantifort |
/*----------------------------------------------------------------
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// //
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// amber-mem-ascii //
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// //
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// This file is part of the Amber project //
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// http://www.opencores.org/project,amber //
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// //
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// Description //
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// Take a stream of hex format text and convert to ascii //
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// format. E.g. converts 4B to K //
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// //
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// Author(s): //
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// - Conor Santifort, csantifort.amber@gmail.com //
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// //
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//////////////////////////////////////////////////////////////////
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// //
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// Copyright (C) 2010 Authors and OPENCORES.ORG //
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// //
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// This source file may be used and distributed without //
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// restriction provided that this copyright statement is not //
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// removed from the file and that any derivative work contains //
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// the original copyright notice and the associated disclaimer. //
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// //
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// This source file is free software; you can redistribute it //
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// and/or modify it under the terms of the GNU Lesser General //
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// Public License as published by the Free Software Foundation; //
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// either version 2.1 of the License, or (at your option) any //
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// later version. //
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// //
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// This source is distributed in the hope that it will be //
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// useful, but WITHOUT ANY WARRANTY; without even the implied //
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //
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// PURPOSE. See the GNU Lesser General Public License for more //
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// details. //
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// //
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// You should have received a copy of the GNU Lesser General //
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// Public License along with this source; if not, download it //
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// from http://www.opencores.org/lgpl.shtml //
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// //
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----------------------------------------------------------------*/
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#include <stdio.h>
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#include <stdlib.h>
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int conv_hstring ( char *string, unsigned int * addr)
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{
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int pos = 0;
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*addr = 0;
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while (((string[pos] >= '0' && string[pos] <= '9') ||
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(string[pos] >= 'a' && string[pos] <= 'f')) && pos < 9) {
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if (string[pos] >= '0' && string[pos] <= '9')
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*addr = (*addr << 4) + ( string[pos++] - '0' );
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else
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*addr = (*addr << 4) + ( string[pos++] - 'a' ) + 10;
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}
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return pos;
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}
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int main (int argc, char **argv)
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{
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FILE *input_file;
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int i;
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int bytes_read;
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size_t nbytes = 100;
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char *line_buffer;
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char s_number[12];
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unsigned int number;
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input_file = stdin;
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if (input_file==NULL)
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{
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printf("Input file open failed\n");
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return 1;
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}
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/* Read the input file into a structure */
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/* reads a line */
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line_buffer = (char *) malloc (nbytes + 1);
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/* Assign names to jumps */
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while ( (bytes_read = getline (&line_buffer, &nbytes, input_file)) > 0)
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{
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sscanf(line_buffer, "%s", s_number);
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if ( !conv_hstring(s_number, &number) )
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{
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fprintf(stderr,"ERROR: conv_hstring error in jumps file, number, with i = %d\n", i);
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return 1;
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}
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printf("%c", number);
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}
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fclose(input_file);
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}
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