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Diffstat (limited to 'nuttx/lib/misc/lib_dumpbuffer.c')
-rw-r--r-- | nuttx/lib/misc/lib_dumpbuffer.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/nuttx/lib/misc/lib_dumpbuffer.c b/nuttx/lib/misc/lib_dumpbuffer.c new file mode 100644 index 000000000..1f1f54e8d --- /dev/null +++ b/nuttx/lib/misc/lib_dumpbuffer.c @@ -0,0 +1,129 @@ +/**************************************************************************** + * lib/misc/lib_dumpbuffer.c + * + * Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +#include <stdint.h> +#include <debug.h> + +/**************************************************************************** + * Pre-processor definitions + ****************************************************************************/ + +/* Select the lowest level debug interface available */ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_ARCH_LOWPUTC +# define message(format, arg...) lib_lowprintf(format, ##arg) +# else +# define message(format, arg...) lib_rawprintf(format, ##arg) +# endif +#else +# ifdef CONFIG_ARCH_LOWPUTC +# define message lib_lowprintf +# else +# define message lib_rawprintf +# endif +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: lib_dumpbuffer + * + * Description: + * Do a pretty buffer dump + * + ****************************************************************************/ + +void lib_dumpbuffer(FAR const char *msg, FAR const uint8_t *buffer, unsigned int buflen) +{ + int i, j, k; + + message("%s (%p):\n", msg, buffer); + for (i = 0; i < buflen; i += 32) + { + message("%04x: ", i); + for (j = 0; j < 32; j++) + { + k = i + j; + + if (j == 16) + { + message(" "); + } + + if (k < buflen) + { + message("%02x", buffer[k]); + } + else + { + message(" "); + } + } + + message(" "); + for (j = 0; j < 32; j++) + { + k = i + j; + + if (j == 16) + { + message(" "); + } + + if (k < buflen) + { + if (buffer[k] >= 0x20 && buffer[k] < 0x7f) + { + message("%c", buffer[k]); + } + else + { + message("."); + } + } + } + message("\n"); + } +} |