133 lines
4.0 KiB
C
133 lines
4.0 KiB
C
/****************************************************************************
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* libc/misc/lib_dumpbuffer.c
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*
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* Copyright (C) 2009, 2011, 2014 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 <nuttx/compiler.h>
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#include <stdint.h>
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#include <debug.h>
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/****************************************************************************
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* Pre-processor definitions
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****************************************************************************/
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/* Select the lowest level debug interface available */
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# ifdef CONFIG_ARCH_LOWPUTC
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# define message(format, arg...) lowsyslog(format, ##arg)
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# else
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# define message(format, arg...) syslog(format, ##arg)
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# endif
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#else
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# ifdef CONFIG_ARCH_LOWPUTC
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# define message lowsyslog
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# else
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# define message syslog
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# endif
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lib_dumpbuffer
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*
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* Description:
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* Do a pretty buffer dump
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*
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****************************************************************************/
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void lib_dumpbuffer(FAR const char *msg, FAR const uint8_t *buffer, unsigned int buflen)
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{
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unsigned int i;
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unsigned int j;
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unsigned int k;
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message("%s (%p):\n", msg, buffer);
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for (i = 0; i < buflen; i += 32)
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{
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message("%04x: ", i);
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for (j = 0; j < 32; j++)
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{
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k = i + j;
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if (j == 16)
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{
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message(" ");
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}
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if (k < buflen)
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{
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message("%02x", buffer[k]);
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}
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else
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{
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message(" ");
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}
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}
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message(" ");
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for (j = 0; j < 32; j++)
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{
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k = i + j;
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if (j == 16)
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{
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message(" ");
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}
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if (k < buflen)
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{
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if (buffer[k] >= 0x20 && buffer[k] < 0x7f)
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{
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message("%c", buffer[k]);
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}
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else
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{
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message(".");
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}
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}
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}
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message("\n");
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}
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}
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