104 lines
3.9 KiB
C
104 lines
3.9 KiB
C
/****************************************************************************
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* libs/libc/hex2bin/fhex2mem.c
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*
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* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <assert.h>
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#include <hex2bin.h>
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#include <nuttx/streams.h>
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#ifdef CONFIG_LIB_HEX2BIN
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: fhex2mem
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*
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* Description:
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* Read the Intel HEX ASCII data provided on the standard stream
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* 'instream' and write the binary to memory.
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*
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* If, for example, instream is stdin, then the HEX ASCII data would be
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* taken from the console and written to memory.
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*
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* Input Parameters:
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* instream - The incoming standard stream from which Intel HEX data
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* will be received.
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* baseaddr - The base address of the memory region stream.
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* endpaddr - The end address (plus 1) of the memory region.
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* swap - Controls byte ordering. See enum hex2bin_swap_e for
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* description of the values.
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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int fhex2mem(FAR FILE *instream, uint32_t baseaddr, uint32_t endpaddr,
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enum hex2bin_swap_e swap)
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{
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struct lib_stdinstream_s stdinstream;
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struct lib_memsostream_s memoutstream;
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/* Check memory addresses */
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DEBUGASSERT(instream != NULL && endpaddr > baseaddr);
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/* Wrap the file descriptor as raw stream; wrap the memory as a memory
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* stream.
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*/
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lib_stdinstream(&stdinstream, instream);
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lib_memsostream(&memoutstream, (FAR char *)baseaddr,
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(int)(endpaddr - baseaddr));
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/* And do the deed */
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return hex2bin(&stdinstream.public, &memoutstream.public,
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(uint32_t)baseaddr, (uint32_t)endpaddr,
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(enum hex2bin_swap_e)swap);
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}
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#endif /* CONFIG_LIB_HEX2BIN */
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