102 lines
1.9 KiB
C
102 lines
1.9 KiB
C
|
/*
|
||
|
|
* hex2hex reads stdin in Intel HEX format and produces an
|
||
|
|
* (unsigned char) array which contains the bytes and writes it
|
||
|
|
* to stdout using C syntax
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#define ABANDON(why) { fprintf(stderr, "%s\n", why); exit(1); }
|
||
|
|
#define MAX_SIZE (256*1024)
|
||
|
|
unsigned char buf[MAX_SIZE];
|
||
|
|
|
||
|
|
static int loadhex(FILE *inf, unsigned char *buf)
|
||
|
|
{
|
||
|
|
int l=0, c, i;
|
||
|
|
|
||
|
|
while ((c=getc(inf))!=EOF)
|
||
|
|
{
|
||
|
|
if (c == ':') /* Sync with beginning of line */
|
||
|
|
{
|
||
|
|
int n, check;
|
||
|
|
unsigned char sum;
|
||
|
|
int addr;
|
||
|
|
int linetype;
|
||
|
|
|
||
|
|
if (fscanf(inf, "%02x", &n) != 1)
|
||
|
|
ABANDON("File format error");
|
||
|
|
sum = n;
|
||
|
|
|
||
|
|
if (fscanf(inf, "%04x", &addr) != 1)
|
||
|
|
ABANDON("File format error");
|
||
|
|
sum += addr/256;
|
||
|
|
sum += addr%256;
|
||
|
|
|
||
|
|
if (fscanf(inf, "%02x", &linetype) != 1)
|
||
|
|
ABANDON("File format error");
|
||
|
|
sum += linetype;
|
||
|
|
|
||
|
|
if (linetype != 0)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
for (i=0;i<n;i++)
|
||
|
|
{
|
||
|
|
if (fscanf(inf, "%02x", &c) != 1)
|
||
|
|
ABANDON("File format error");
|
||
|
|
if (addr >= MAX_SIZE)
|
||
|
|
ABANDON("File too large");
|
||
|
|
buf[addr++] = c;
|
||
|
|
if (addr > l)
|
||
|
|
l = addr;
|
||
|
|
sum += c;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fscanf(inf, "%02x", &check) != 1)
|
||
|
|
ABANDON("File format error");
|
||
|
|
|
||
|
|
sum = ~sum + 1;
|
||
|
|
if (check != sum)
|
||
|
|
ABANDON("Line checksum error");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return l;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main( int argc, const char * argv [] )
|
||
|
|
{
|
||
|
|
const char * varline;
|
||
|
|
int i,l;
|
||
|
|
int id=0;
|
||
|
|
|
||
|
|
if(argv[1] && strcmp(argv[1], "-i")==0)
|
||
|
|
{
|
||
|
|
argv++;
|
||
|
|
argc--;
|
||
|
|
id=1;
|
||
|
|
}
|
||
|
|
if(argv[1]==NULL)
|
||
|
|
{
|
||
|
|
fprintf(stderr,"hex2hex: [-i] filename\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
varline = argv[1];
|
||
|
|
l = loadhex(stdin, buf);
|
||
|
|
|
||
|
|
printf("/*\n *\t Computer generated file. Do not edit.\n */\n");
|
||
|
|
printf("static int %s_len = %d;\n", varline, l);
|
||
|
|
printf("static unsigned char %s[] %s = {\n", varline, id?"__initdata":"");
|
||
|
|
|
||
|
|
for (i=0;i<l;i++)
|
||
|
|
{
|
||
|
|
if (i) printf(",");
|
||
|
|
if (i && !(i % 16)) printf("\n");
|
||
|
|
printf("0x%02x", buf[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("\n};\n\n");
|
||
|
|
return 0;
|
||
|
|
}
|