hex2hex.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:2k
- /*
- * 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, "%sn", why); exit(1); }
- #define MAX_SIZE (256*1024)
- unsigned char buf[MAX_SIZE];
- 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] filenamen");
- 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};nn");
- return 0;
- }