技术标签: TI C2000 DSP
bin2srec.c
/*
BIN2SREC - Convert binary to Motorola S-Record file
Copyright (C) 1998-2012 Anthony Goffart
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "common.h"
#define HEADER1 "\nBIN2SREC " SREC_VER " - Convert binary to Motorola S-Record file.\n"
char *filename;
FILE *infile;
uint32_t addr_offset = 0;
uint32_t begin_addr;
uint32_t end_addr;
int addr_bytes = 2;
int do_headers = TRUE;
int verbose = TRUE;
int line_length = 32;
/***************************************************************************/
void syntax(void)
{
fprintf(stderr, HEADER1);
fprintf(stderr, HEADER2);
fprintf(stderr, "Syntax: BIN2SREC <options> INFILE > OUTFILE\n\n");
fprintf(stderr, "-help Show this help.\n");
fprintf(stderr, "-b <begin> Address to begin at in binary file (hex), default = 0.\n");
fprintf(stderr, "-e <end> Address to end at in binary file (hex), default = end of file.\n");
fprintf(stderr, "-o <offset> Generated address offset (hex), default = begin address.\n");
fprintf(stderr, "-a <addrsize> Number of bytes used for address (2-4),\n");
fprintf(stderr, " default = minimum needed for maximum address.\n");
fprintf(stderr, "-l <linelength> Number of bytes per line (8-32), default = 32.\n");
fprintf(stderr, "-s Suppress header and footer records.\n");
fprintf(stderr, "-q Quiet mode - no output except S-Record.\n");
}
/***************************************************************************/
void process(void)
{
int i;
uint32_t max_addr, address;
int byte_count, this_line;
unsigned char checksum;
uint32_t c;
int record_count = 0;
unsigned char buf[32];
max_addr = addr_offset + (end_addr - begin_addr);
fseek(infile, begin_addr, SEEK_SET);
if ((max_addr > 0xffffl) && (addr_bytes < 3))
addr_bytes = 3;
if ((max_addr > 0xffffffl) && (addr_bytes < 4))
addr_bytes = 4;
if (verbose)
{
fprintf(stderr, HEADER1);
fprintf(stderr, HEADER2);
fprintf(stderr, "Input binary file: %s\n", filename);
fprintf(stderr, "Begin address = %Xh\n", begin_addr);
fprintf(stderr, "End address = %Xh\n", end_addr);
fprintf(stderr, "Address offset = %Xh\n", addr_offset);
fprintf(stderr, "Maximum address = %Xh\n", max_addr);
fprintf(stderr, "Address bytes = %d\n", addr_bytes);
}
if (do_headers)
printf("S00600004844521B\n"); /* Header record */
address = addr_offset;
for (;;)
{
if (verbose)
fprintf(stderr, "Processing %08Xh\r", address);
this_line = min(line_length, (max_addr - address) + 1);
byte_count = (addr_bytes + this_line + 1);
printf("S%d%02X", addr_bytes - 1, byte_count);
checksum = byte_count;
for (i = addr_bytes - 1; i >= 0; i--)
{
c = (address >> (i << 3)) & 0xff;
printf("%02X", c);
checksum += c;
}
fread(buf, 1, this_line, infile);
for (i = 0; i < this_line; i++)
{
printf("%02X", buf[i]);
checksum += buf[i];
}
printf("%02X\n", 255 - checksum);
record_count++;
/* check before adding to allow for finishing at 0xffffffff */
if ((address - 1 + line_length) >= max_addr)
break;
address += line_length;
}
if (do_headers)
{
if (record_count > 0xffff)
{
checksum = 4 + (record_count & 0xff) + ((record_count >> 8) & 0xff) + ((record_count >> 16) & 0xff);
printf("S604%06X%02X\n", record_count, 255 - checksum);
}
else
{
checksum = 3 + (record_count & 0xff) + ((record_count >> 8) & 0xff);
printf("S503%04X%02X\n", record_count, 255 - checksum);
}
byte_count = (addr_bytes + 1);
printf("S%d%02X", 11 - addr_bytes, byte_count);
checksum = byte_count;
for (i = addr_bytes - 1; i >= 0; i--)
{
c = (addr_offset >> (i << 3)) & 0xff;
printf("%02X", c);
checksum += c;
}
printf("%02X\n", 255 - checksum);
}
if (verbose)
fprintf(stderr, "Processing complete \n");
}
/***************************************************************************/
int main(int argc, char *argv[])
{
int i;
uint32_t size;
int offset_specified = FALSE;
int end_specified = FALSE;
for (i = 1; i < argc; i++)
{
if (!strcmp(argv[i], "-o"))
{
addr_offset = str_to_uint32(argv[++i]);
offset_specified = TRUE;
continue;
}
else if (!strcmp(argv[i], "-b"))
{
begin_addr = str_to_uint32(argv[++i]);
continue;
}
else if (!strcmp(argv[i], "-e"))
{
end_addr = str_to_uint32(argv[++i]);
end_specified = TRUE;
continue;
}
else if (!strcmp(argv[i], "-a"))
{
sscanf(argv[++i], "%d", &addr_bytes);
addr_bytes = max(2, addr_bytes);
addr_bytes = min(4, addr_bytes);
continue;
}
else if (!strcmp(argv[i], "-l"))
{
sscanf(argv[++i], "%d", &line_length);
line_length = max(8, line_length);
line_length = min(32, line_length);
continue;
}
else if (!strcmp(argv[i], "-s"))
{
do_headers = FALSE;
continue;
}
else if (!strcmp(argv[i], "-q"))
{
verbose = FALSE;
continue;
}
else if (!strncmp(argv[i], "-h", 2)) /* -h or -help */
{
syntax();
return(0);
}
else
{
filename = argv[i];
}
}
if (filename == NULL)
{
syntax();
fprintf(stderr, "\n** No input filename specified\n");
return(1);
}
if ((infile = fopen(filename, "rb")) != NULL)
{
size = file_size(infile) - 1;
if (end_specified)
end_addr = min(size, end_addr);
else
end_addr = size;
if (begin_addr > size)
{
fprintf(stderr, "Begin address %Xh is greater than file size %Xh\n", begin_addr, size);
return(3);
}
if (end_addr < begin_addr)
{
fprintf(stderr, "End address %Xh is less than begin address %Xh\n", end_addr, begin_addr);
return(3);
}
if (!offset_specified)
addr_offset = begin_addr;
process();
fclose(infile);
return(0);
}
else
{
fprintf(stderr, "Input file %s not found\n", filename);
return(2);
}
}
/***************************************************************************/
/*
common.c - Common functions for both srec2bin and bin2srec
Copyright (C) 1998-2012 Anthony Goffart
This file is part of SREC2BIN and BIN2SREC
BIN2SREC and SREC2BIN are free software: you can redistribute them
and/or modify them under the terms of the GNU General Public License
as published by the Free Software Foundation, either version 3
of the License, or (at your option) any later version.
BIN2SREC and SREC2BIN are distributed in the hope that they 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 BIN2SREC and SREC2BIN. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/stat.h>
#include "common.h"
/***************************************************************************/
unsigned int char_to_uint(char c)
{
int res = 0;
if (c >= '0' && c <= '9')
res = (c - '0');
else if (c >= 'A' && c <= 'F')
res = (c - 'A' + 10);
else if (c >= 'a' && c <= 'f')
res = (c - 'a' + 10);
return(res);
}
/***************************************************************************/
uint32_t str_to_uint32(char *s)
{
int i;
char c;
uint32_t res = 0;
for (i = 0; (i < 8) && (s[i] != '\0'); i++)
{
c = s[i];
res <<= 4;
res += char_to_uint(c);
}
return(res);
}
/***************************************************************************/
uint32_t file_size(FILE *f)
{
struct stat info;
if (!fstat(fileno(f), &info))
return((uint32_t)info.st_size);
else
return(0);
}
/***************************************************************************/
#ifndef COMMON_H
#define COMMON_H
#define SREC_VER "1.43"
#define HEADER2 "Copyright (c) 2000-2014 Ant Goffart - http://www.s-record.com/\n\n"
#include <stdio.h>
#include <stdint.h>
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (~FALSE)
#endif
#define max(a,b) (((a)>(b))?(a):(b))
#define min(a,b) (((a)<(b))?(a):(b))
unsigned int char_to_uint(char s);
uint32_t str_to_uint32(char *s);
uint32_t file_size(FILE *f);
#endif
更快学习的动力来源于适当的压力。
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