/**************************************************************************** * include/hex2bin.h * * Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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. * ****************************************************************************/ #ifndef __INCLUDE_HEX2BIN_H #define __INCLUDE_HEX2BIN_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #ifdef CONFIG_LIB_HEX2BIN /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Some environments may return CR as end-of-line, others LF, and others * both. If not specified, the logic here assumes either (but not both) as * the default. */ #if defined(CONFIG_EOL_IS_CR) # undef CONFIG_EOL_IS_LF # undef CONFIG_EOL_IS_BOTH_CRLF # undef CONFIG_EOL_IS_EITHER_CRLF #elif defined(CONFIG_EOL_IS_LF) # undef CONFIG_EOL_IS_CR # undef CONFIG_EOL_IS_BOTH_CRLF # undef CONFIG_EOL_IS_EITHER_CRLF #elif defined(CONFIG_EOL_IS_BOTH_CRLF) # undef CONFIG_EOL_IS_CR # undef CONFIG_EOL_IS_LF # undef CONFIG_EOL_IS_EITHER_CRLF #elif defined(CONFIG_EOL_IS_EITHER_CRLF) # undef CONFIG_EOL_IS_CR # undef CONFIG_EOL_IS_LF # undef CONFIG_EOL_IS_BOTH_CRLF #else # undef CONFIG_EOL_IS_CR # undef CONFIG_EOL_IS_LF # undef CONFIG_EOL_IS_BOTH_CRLF # define CONFIG_EOL_IS_EITHER_CRLF 1 #endif /**************************************************************************** * Public Types ****************************************************************************/ /* Intel HEX data steams are normally in big endian order. The following * enumeration selects other ordering. */ enum hex2bin_swap_e { HEX2BIN_NOSWAP = 0, /* No swap, stream is in the correct byte order */ HEX2BIN_SWAP16 = 1, /* Swap bytes in 16-bit values */ HEX2BIN_SWAP32 = 2 /* Swap bytes in 32-bit values */ }; /**************************************************************************** * Public Data ****************************************************************************/ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Function Prototypes ****************************************************************************/ /**************************************************************************** * Name: hex2bin * * Description: * Read the Intel HEX ASCII data provided on the serial IN stream and write * the binary to the seek-able serial OUT stream. * * These streams may be files or, in another usage example, the IN stream * could be a serial port and the OUT stream could be a memory stream. This * would decode and write the serial input to memory. * * Input Parameters: * instream - The incoming stream from which Intel HEX data will be * received. * outstream - The outgoing stream in which binary data will be written. * baseaddr - The base address of the outgoing stream. Seeking in the * output stream will be relative to this address. * endpaddr - The end address (plus 1) of the outgoing stream. This * value is used only for range checking. endpaddr must * be larger than baseaddr. A zero value for endpaddr * disables range checking. * swap - Controls byte ordering. See enum hex2bin_swap_e for * description of the values. * * Returned Value * Zero (OK) is returned on success; a negated errno value is returned on * failure. * ****************************************************************************/ struct lib_instream_s; struct lib_sostream_s; int hex2bin(FAR struct lib_instream_s *instream, FAR struct lib_sostream_s *outstream, uint32_t baseaddr, uint32_t endpaddr, enum hex2bin_swap_e swap); /**************************************************************************** * Name hex2mem * * Description: * Read the Intel HEX ASCII data provided on the file descriptor 'fd' and * write the binary to memory. * * If, for example, fd is zero (corresponding to stdin), then the HEX * ASCII data would be taken from the console and written to memory. * * Input Parameters: * fd - The file descriptor from which Intel HEX data will be * received. * baseaddr - The base address of the memory region stream. * endpaddr - The end address (plus 1) of the memory region. * swap - Controls byte ordering. See enum hex2bin_swap_e for * description of the values. * * Returned Value * Zero (OK) is returned on success; a negated errno value is returned on * failure. * ****************************************************************************/ int hex2mem(int fd, uint32_t baseaddr, uint32_t endpaddr, enum hex2bin_swap_e swap); /**************************************************************************** * Name fhex2mem * * Description: * Read the Intel HEX ASCII data provided on the standard stream * 'instream' and write the binary to memory. * * If, for example, instream is stdin, then the HEX ASCII data would be * taken from the console and written to memory. * * Input Parameters: * instream - The incoming standard stream from which Intel HEX data * will be received. * baseaddr - The base address of the memory region stream. * endpaddr - The end address (plus 1) of the memory region. * swap - Controls byte ordering. See enum hex2bin_swap_e for * description of the values. * * Returned Value * Zero (OK) is returned on success; a negated errno value is returned on * failure. * ****************************************************************************/ int fhex2mem(FAR FILE *instream, uint32_t baseaddr, uint32_t endpaddr, enum hex2bin_swap_e swap); /**************************************************************************** * 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_SUCESS on success; EXIT_FAILURE on failure * ****************************************************************************/ #ifdef CONFIG_SYSTEM_HEX2BIN_BUILTIN int hex2bin_main(int argc, char **argv); #endif /* CONFIG_SYSTEM_HEX2BIN_BUILTIN */ /**************************************************************************** * Name: hex2mem_main * * Description: * Main entry point when hex2mem is built as an NSH built-in task. * * Input Parameters: * Standard task inputs * * Returned Value * EXIT_SUCESS on success; EXIT_FAILURE on failure * ****************************************************************************/ #ifdef CONFIG_SYSTEM_HEX2MEM_BUILTIN int hex2mem_main(int argc, char **argv); #endif /* CONFIG_SYSTEM_HEX2MEM_BUILTIN */ #undef EXTERN #ifdef __cplusplus } #endif #endif /* CONFIG_SYSTEM_HEX2BIN */ #endif /* __INCLUDE_HEX2BIN_H */