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/*****************************************************************************/
/*
* ihex2hdr.c -- Convert Intel HEX files to C header files.
*
* Copyright (C) 1999-2001
* Thomas Sailer (t.sailer@alumni.ethz.ch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Please note that the GPL allows you to use the driver, NOT the radio.
* In order to use the radio, you need a license from the communications
* authority of your country.
*
*
* History:
* 0.1 18.06.99 Created
*
*/
/*****************************************************************************/
#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <stdlib.h>
/* --------------------------------------------------------------------- */
static int hexdigit(const char *s)
{
if (*s >= '0' && *s <= '9')
return *s - '0';
if (*s >= 'A' && *s <= 'F')
return *s - 'A' + 10;
if (*s >= 'a' && *s <= 'f')
return *s - 'a' + 10;
return -1;
}
static int hexbyte(const char *s)
{
int a, b;
a = hexdigit(s);
b = hexdigit(s+1);
if (a == -1 || b == -1)
return -1;
return (a << 4) | b;
}
/* --------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
FILE *fin, *fout;
time_t tm;
unsigned char mem[0x2000] = { 0, };
unsigned char buf[640];
unsigned u, s, sz = 0;
int i;
time(&tm);
if (argc < 4) {
fprintf(stderr, "usage: ihex2hdr file.ihx file.h fname\n");
exit(1);
}
if (!(fin = fopen(argv[1], "r"))) {
fprintf(stderr, "cannot open file \"%s\" error %s\n", argv[1], strerror(errno));
exit(1);
}
if (!(fout = fopen(argv[2], "w"))) {
fprintf(stderr, "cannot create file \"%s\" error %s\n", argv[2], strerror(errno));
exit(1);
}
while (fgets(buf, sizeof(buf), fin)) {
if (buf[0] != ':') {
fprintf(stderr, "invalid intel hex line \"%s\"\n", buf);
continue;
}
for (u = s = 0; u < ((unsigned int)buf[0])+5; u++) {
i = hexbyte(buf+1+2*u);
if (i == -1)
goto nextline;
buf[u] = i;
s += i;
}
if ((s & 0xff) != 0) {
fprintf(stderr, "checksum error in line length %u address 0x%02X%02X checksum %u\n",
buf[0], buf[1], buf[2], s & 0xff);
continue;
}
if (buf[3] != 0)
break;
if (buf[0] == 0)
continue;
u = buf[2] | (((unsigned int)buf[1]) << 8); /* address */
if (u + buf[0] > sz)
sz = u + buf[0];
if (sz > sizeof(mem)) {
fprintf(stderr, "input hex file overflows memory table\n");
exit(1);
}
memcpy(mem+u, buf+4, buf[0]);
nextline:
continue;
}
fclose(fin);
strftime(buf, sizeof(buf), "%Y%m%d", localtime(&tm));
fprintf(fout, "/*****************************************************************************/\n"
"\n"
"/*\n"
" * %s -- Anchorchips Firmware.\n"
" *\n"
" * Copyright (C) 1999 Thomas Sailer (sailer@ife.ee.ethz.ch)\n"
" *\n"
" * This program is free software; you can redistribute it and/or modify\n"
" * it under the terms of the GNU General Public License as published by\n"
" * the Free Software Foundation; either version 2 of the License, or\n"
" * (at your option) any later version.\n"
" *\n"
" * This program is distributed in the hope that it will be useful,\n"
" * but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
" * GNU General Public License for more details.\n"
" *\n"
" * You should have received a copy of the GNU General Public License\n"
" * along with this program; if not, write to the Free Software\n"
" * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
" *\n"
" * Please note that the GPL allows you to use the driver, NOT the radio.\n"
" * In order to use the radio, you need a license from the communications\n"
" * authority of your country.\n"
" *\n"
" */\n"
"\n"
"/*****************************************************************************/\n"
"/* automatically generated, do not edit */\n"
"\n"
"#define %s_DATE \"%s\"\n"
"\n"
"/* firmware */\n"
"static const unsigned char %s[] = {", argv[2], argv[3], buf, argv[3]);
for (u = 0; u < sz; u++) {
if (!(u & 15))
fprintf(fout, "\n\t");
fprintf(fout, "0x%02x", mem[u]);
if (u >= sz-1)
break;
fprintf(fout, ", ");
}
fprintf(fout, "\n};\n");
fclose(fout);
exit(0);
}
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