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nuttx-apps/system/hex2bin/hex2bin_main.c

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/****************************************************************************
* apps/system/hex2bin_main.c
*
* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <hex2bin.h>
#include <nuttx/streams.h>
#ifdef CONFIG_SYSTEM_HEX2BIN_BUILTIN
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: show_usage
****************************************************************************/
static void show_usage(FAR const char *progname, int exitcode)
{
#ifdef CONFIG_SYSTEM_HEX2BIN_USAGE
fprintf(stderr, "Usage:\n");
fprintf(stderr, "\t%s [OPTIONS] <hexfile> <binfile>\n", progname);
fprintf(stderr, "\t%s -h\n", progname);
fprintf(stderr, "Where:\n");
fprintf(stderr, "\t<hexfile>:\n");
fprintf(stderr, "\t\tThe file containing the Intel HEX data to be converted.\n");
fprintf(stderr, "\t<binfile>:\n");
fprintf(stderr, "\t\tThe output file to be created contained the converted\n");
fprintf(stderr, "\t\tbinary data.\n");
fprintf(stderr, "\t-h:\n");
fprintf(stderr, "\t\tPrints this message and exits\n");
fprintf(stderr, "And [OPTIONS] include:\n");
fprintf(stderr, "\t-s <start address>\n");
fprintf(stderr, "\t\tSets the start address of the binary output. This value\n");
fprintf(stderr, "\t\tis used to (1) calculate offsets into the output stream,\n");
fprintf(stderr, "\t\tand (2) for error checking. Default: 0x%08x\n",
CONFIG_SYSTEM_HEX2BIN_BASEADDR);
fprintf(stderr, "\t-e <end address>\n");
fprintf(stderr, "\t\tSets the maximum address (plus 1) of the binary output.\n");
fprintf(stderr, "\t\tThis value is used to only for error checking. The value\n");
fprintf(stderr, "\t\tzero disables error checking. Default: 0x%08x\n",
CONFIG_SYSTEM_HEX2BIN_ENDPADDR);
fprintf(stderr, "\t\tno error checking\n");
fprintf(stderr, "\t-w <swap code>\n");
fprintf(stderr, "\t\t(0) No swap, (1) swap bytes in 16-bit values, or (3) swap\n");
fprintf(stderr, "\t\tbytes in 32-bit values. Default: %d\n",
CONFIG_SYSTEM_HEX2BIN_SWAP);
#endif
exit(exitcode);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: hex2bin_main
*
* Description:
* Main entry point when hex2bin is built as an NSH built-in task.
*
* Input Parameters:
* Standard task inputs
*
* Returned Value
* EXIT_SUCCESS on success; EXIT_FAILURE on failure
*
****************************************************************************/
#ifdef BUILD_MODULE
int main(int argc, FAR char *argv[])
#else
int hex2bin_main(int argc, char **argv)
#endif
{
struct lib_stdinstream_s stdinstream;
struct lib_stdsostream_s stdoutstream;
FAR const char *hexfile;
FAR const char *binfile;
FAR char *endptr;
FAR FILE *instream;
FAR FILE *outstream;
unsigned long baseaddr;
unsigned long endpaddr;
unsigned long swap;
int option;
int ret;
/* Parse the command line options */
baseaddr = CONFIG_SYSTEM_HEX2BIN_BASEADDR;
endpaddr = CONFIG_SYSTEM_HEX2BIN_ENDPADDR;
swap = CONFIG_SYSTEM_HEX2BIN_SWAP;
while ((option = getopt(argc, argv, ":hs:e:w:")) != ERROR)
{
switch (option)
{
#ifdef CONFIG_SYSTEM_HEX2BIN_USAGE
case 'h':
show_usage(argv[0], EXIT_SUCCESS);
break;
#endif
case 's':
baseaddr = strtoul(optarg, &endptr, 16);
if (endptr == optarg)
{
fprintf(stderr, "ERROR: Invalid argument to the -s option\n");
show_usage(argv[0], EXIT_FAILURE);
}
break;
case 'e':
endpaddr = strtoul(optarg, &endptr, 16);
if (endptr == optarg)
{
fprintf(stderr, "ERROR: Invalid argument to the -e option\n");
show_usage(argv[0], EXIT_FAILURE);
}
break;
case 'w':
swap = strtoul(optarg, &endptr, 16);
if (endptr == optarg || swap > (unsigned long)HEX2BIN_SWAP32)
{
fprintf(stderr, "ERROR: Invalid argument to the -w option\n");
show_usage(argv[0], EXIT_FAILURE);
}
break;
case ':':
fprintf(stderr, "ERROR: Missing required argument\n");
show_usage(argv[0], EXIT_FAILURE);
break;
default:
case '?':
fprintf(stderr, "ERROR: Unrecognized option\n");
show_usage(argv[0], EXIT_FAILURE);
break;
}
}
/* There should be two final parameters remaining on the command line */
if (optind >= argc)
{
printf("ERROR: Missing required <hexfile> and <binfile> arguments\n");
show_usage(argv[0], EXIT_FAILURE);
}
hexfile = argv[optind];
optind++;
if (optind >= argc)
{
printf("ERROR: Missing required <binfile> argument\n");
show_usage(argv[0], EXIT_FAILURE);
}
binfile = argv[optind];
optind++;
if (optind < argc)
{
printf("ERROR: Garbage at end of command line\n");
show_usage(argv[0], EXIT_FAILURE);
}
/* Open the HEX file for reading */
instream = fopen(hexfile, "r");
if (instream == NULL)
{
int errcode = errno;
DEBUGASSERT(errcode > 0);
fprintf(stderr, "ERROR: Failed to open \"%s\" for reading: %d\n",
hexfile, errcode);
return -errcode;
}
/* Open the BIN file for reading */
outstream = fopen(binfile, "wb");
if (outstream == NULL)
{
int errcode = errno;
DEBUGASSERT(errcode > 0);
fprintf(stderr, "ERROR: Failed to open \"%s\" for writing: %d\n",
binfile, errcode);
fclose(instream);
return -errcode;
}
/* Wrap the FILE streams as standard streams */
lib_stdinstream(&stdinstream, instream);
lib_stdsostream(&stdoutstream, outstream);
/* And do the deed */
ret = hex2bin(&stdinstream.public, &stdoutstream.public,
(uint32_t)baseaddr, (uint32_t)endpaddr,
(enum hex2bin_swap_e)swap);
if (ret < 0)
{
fprintf(stderr, "ERROR: Failed to convert to binary: %d\n", ret);
}
/* Clean up and return */
fflush(outstream);
fclose(instream);
fclose(outstream);
return ret < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
#endif /* CONFIG_SYSTEM_HEX2BIN_BUILTIN */
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