/**************************************************************************** * libs/libc/hex2bin/fhex2mem.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 #include #include #include #include #ifdef CONFIG_LIB_HEX2BIN /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * 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) { struct lib_stdinstream_s stdinstream; struct lib_memsostream_s memoutstream; /* Check memory addresses */ DEBUGASSERT(instream != NULL && endpaddr > baseaddr); /* Wrap the file descriptor as raw stream; wrap the memory as a memory * stream. */ lib_stdinstream(&stdinstream, instream); lib_memsostream(&memoutstream, (FAR char *)baseaddr, (int)(endpaddr - baseaddr)); /* And do the deed */ return hex2bin(&stdinstream.public, &memoutstream.public, (uint32_t)baseaddr, (uint32_t)endpaddr, (enum hex2bin_swap_e)swap); } #endif /* CONFIG_LIB_HEX2BIN */