BIN 文件转换为 HEX 文件

bin2hex ，bin 文件转换为 hex 文件（源码），可用于将 STM32 二进制可执行 bin 文件转化为 hex 可执行烧录文件。

源码下载地址：bin2hex.zip

/*
     使用方法 : bin2hex -b adress filename
     -b : 指示hex文件起始地址
     address : hex文件的起始地址(FIXME:当前版本只支持k字节边界)
     filename : 待转换的文件名
     示例 : bin2hex -b 32k rom.bin
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
FILE *fp_read;               /* 待读取文件句柄 */
FILE *fp_write;              /* 待写入文件句柄 */
       
       
unsigned long start_adr;     /* 转换成Hex格式的起始地址 */
unsigned short cur_base;     /* 转换成Hex格式的当前地址高16位 */
unsigned short cur_offset;   /* 转换成Hex格式的当前地址低16位 */
unsigned char read_buf[16];
unsigned char write_buf[48];

void calc_start_adr (char *buf)
{
     unsigned int len;
    
     len = strlen(buf);
    
     if ((buf[len-1] != 'k') && (buf[len-1] != 'K')) {
         printf ("Invalid argument.\n");
         exit (-1);
     }    
     buf[len-1] = 0;
    
     start_adr = atoi (buf);
     start_adr = start_adr * 1024;
     cur_base =   start_adr >> 16; 
     cur_offset = (unsigned short)start_adr;
}

void start_convert (void)
{
     unsigned char cnt;
     unsigned char read_num;
     unsigned char cksum, highc, lowc;
    
     /* 设置当前地址高16位 */
     highc = cur_base >> 8;
     lowc = (unsigned char)cur_base;
     cksum = 2 + 4 + highc + lowc;
     cksum = 0xFF - cksum;
     cksum = cksum + 1;
     sprintf (write_buf, ":02000004%04x%02x", cur_base, cksum);
     write_buf[15] = 0x0D; write_buf[16] = 0x0A; 
     fwrite (write_buf, 1, 17, fp_write);
    
     read_num = fread (read_buf, 1, 16, fp_read);
     while (read_num == 16) {
         /* 写入读取的16字节 */
         highc = cur_offset >> 8;
         lowc = (unsigned char)cur_offset;
         cksum = 0x10 + highc + lowc;
         for (cnt=0; cnt<16; cnt++) {
             cksum += read_buf[cnt];
         }
         cksum = 0xFF - cksum;
         cksum = cksum + 1;
        
         sprintf (write_buf, ":10%02x%02x00%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", 
                 highc, lowc,
                 read_buf[0], read_buf[1], read_buf[2], read_buf[3], 
                 read_buf[4], read_buf[5], read_buf[6], read_buf[7], 
                 read_buf[8], read_buf[9], read_buf[10], read_buf[11], 
                 read_buf[12], read_buf[13], read_buf[14], read_buf[15], 
                 cksum);
         write_buf[43] = 0x0D; write_buf[44] = 0x0A;
         fwrite (write_buf, 1, 45, fp_write);
        
         /* 计算当前地址低16位，当越限时写入当前地址高16位 */
         if (cur_offset == 65520) {
             cur_offset = 0;
             cur_base ++;
             highc = cur_base >> 8;
             lowc = (unsigned char)cur_base;
             cksum = 2 + 4 + highc + lowc;
             cksum = 0xFF - cksum;
             cksum = cksum + 1;
             sprintf (write_buf, ":02000004%04x%02x", cur_base, cksum);
             write_buf[15] = 0x0D; write_buf[16] = 0x0A; 
             fwrite (write_buf, 1, 17, fp_write);
         } else {
             cur_offset += 16;
         }
        
         read_num = fread (read_buf,1,16,fp_read);
     }
    
     /* 写入剩余的字节 */
     if (read_num) {
         highc = cur_offset >> 8;
         lowc = (unsigned char)cur_offset;
         cksum = read_num + highc + lowc;
         for (cnt=0; cnt<read_num; cnt++) {
             cksum += read_buf[cnt];
         }
         cksum = 0xFF - cksum;
         cksum = cksum + 1;
        
         sprintf (write_buf, ":%02x%02x%02x00", read_num, highc, lowc);
         for (cnt=0; cnt<read_num; cnt++) {
             sprintf (&write_buf[9 + cnt * 2], "%02x", read_buf[cnt]);
         }
         sprintf (&write_buf[9 + cnt * 2], "%02x", cksum);
         write_buf[11 + read_num * 2] = 0x0D;
         write_buf[12 + read_num * 2] = 0x0A;
         fwrite (write_buf, 1, 13 + read_num * 2, fp_write);
     }
    
     /* 写入终止序列 */
     sprintf (write_buf, ":00000001FF");
     write_buf[11] = 0x0D; write_buf[12] = 0x0A;
     fwrite (write_buf, 1, 13, fp_write);
}

int main (int argc, char *argv[])
{    
     if (argc != 4) {
         printf ("Usage : %s -b address filename.xxx\n", argv[0]);
         printf ("-b : indicate the starting address convert to.\n");
         printf ("address : starting address.\n");
         printf ("filename.xxx : file to be converted.\n");
         printf ("output :   filename.hex\n");
         printf ("example : %s -b 64k rom.bin\n", argv[0]);
         return -1;
     }
    
     if (strcmp (argv[1], "-b")) {
         printf ("Invalid argument.\n");
         return -1;
     };
    
     fp_read = fopen (argv[3], "rb");
     if (fp_read == NULL) {
         printf ("Can't open file %s", argv[3]);
         return -1;
     }
     fp_write = fopen ("rom.hex", "w");
     if (fp_write == NULL) {
         printf ("Can't create file rom.hex");
         return -1;
     }
    
     calc_start_adr (argv[2]);
     start_convert ();
    
     fclose (fp_read);
     fclose (fp_write);
    
     printf("Convert Seccessfully!\n");
    
     return 0;
}