/**************************************************************************** * include/hex2bin.h * * 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. * ****************************************************************************/ #ifndef __INCLUDE_HEX2BIN_H #define __INCLUDE_HEX2BIN_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #ifdef CONFIG_LIBC_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 streams 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_SUCCESS 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_SUCCESS 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 */