nuttx/drivers/wireless/ieee80211/bcm43xxx/bcmf_utils.c

/****************************************************************************
 * drivers/wireless/ieee80211/bcm43xxx/bcmf_utils.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 <stdint.h>
#include <string.h>
#include <time.h>
#include <debug.h>
#include <stdio.h>

#include "bcmf_utils.h"

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#define LINE_LEN 16

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: bcmf_hexdump
 ****************************************************************************/

void bcmf_hexdump(FAR uint8_t *data, unsigned int len, unsigned long offset)
{
  unsigned int i;
  unsigned int char_count = 0;
  char char_line[20];
  char hex_line[64];

  for (i = 0; i < len; i++)
    {
      if (char_count >= LINE_LEN)
        {
          /* Flush line */

          wlinfo("%08lx: %s%s\n",
                 offset + i - char_count, hex_line, char_line);
          char_count = 0;
        }

      sprintf(hex_line + 3 * char_count, "%02x ", data[i]);
      sprintf(char_line + char_count, "%c",
              data[i] < 0x20 || data[i] >= 0x7f? '.': data[i]);
      char_count++;
    }

  if (char_count > 0)
    {
      /* Flush last line */

      memset(hex_line + 3 * char_count, ' ', 3 * (LINE_LEN - char_count));
      hex_line[3 * LINE_LEN] = 0;
      wlinfo("%08lx: %s%s\n", offset + i - char_count, hex_line, char_line);
    }
}