/****************************************************************************
* apps/system/hex2bin/hex2bin_main.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.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\n");
fprintf(stderr, "\t\tconverted.\n");
fprintf(stderr, "\t<binfile>:\n");
fprintf(stderr, "\t\tThe output file to be created contained the\n");
fprintf(stderr, "\t\tconverted binary 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\n");
fprintf(stderr, "\t\tvalue is used to (1) calculate offsets into the\n");
fprintf(stderr, "\t\toutput stream, and (2) for error checking.\n");
fprintf(stderr, "\t\tDefault: 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\n");
fprintf(stderr, "\t\toutput. This value is used to only for error\n");
fprintf(stderr, "\t\tchecking. The value zero disables error checking.\n");
fprintf(stderr, "\t\t 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\n");
fprintf(stderr, "\t\t(3) swap bytes 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
*
****************************************************************************/
int main(int argc, FAR char *argv[])
{
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 */