84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
/*
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* Milkymist SoC
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* Copyright (C) 2007, 2008, 2009, 2010 Sebastien Bourdeauducq
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* WARNING: This tool is little endian in 16-bit mode
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* and big endian in 32-bit mode.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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int main(int argc, char *argv[])
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{
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int i;
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int pad;
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FILE *fdi, *fdo;
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unsigned char w[4];
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int mode16;
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if((argc != 4) && (argc != 5)) {
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fprintf(stderr, "Usage: bin2hex <infile> <outfile> <size> [16]\n");
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return 1;
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}
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pad = atoi(argv[3]);
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if(pad <= 0) {
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fprintf(stderr, "Incorrect size\n");
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return 1;
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}
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fdi = fopen(argv[1], "rb");
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if(!fdi) {
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perror("Unable to open input file");
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return 1;
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}
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fdo = fopen(argv[2], "w");
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if(!fdo) {
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perror("Unable to open output file");
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fclose(fdi);
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return 1;
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}
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mode16 = (argc == 5) && (strcmp(argv[4], "16") == 0);
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if(mode16) {
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while(1) {
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if(fread(w, 2, 1, fdi) <= 0) break;
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fprintf(fdo, "%02hhx%02hhx\n", w[1], w[0]);
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pad--;
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}
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} else {
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while(1) {
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if(fread(w, 4, 1, fdi) <= 0) break;
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fprintf(fdo, "%02hhx%02hhx%02hhx%02hhx\n", w[0], w[1], w[2], w[3]);
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pad--;
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}
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}
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fclose(fdi);
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if(pad<0)
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fprintf(stderr, "Warning: Input binary is larger than specified size\n");
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if(mode16) {
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for(i=0;i<pad;i++)
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fprintf(fdo, "0000\n");
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} else {
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for(i=0;i<pad;i++)
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fprintf(fdo, "00000000\n");
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}
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if(fclose(fdo) != 0) {
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perror("Unable to close output file");
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return 1;
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}
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return 0;
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}
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