nuttx/drivers/wireless/ieee80211/bcmf_utils.c

117 lines
4.0 KiB
C

/****************************************************************************
* drivers/wireless/ieee80211/bcmf_utils.c
*
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
* Author: Simon Piriou <spiriou31@gmail.com>
*
* 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 <stdint.h>
#include <string.h>
#include <time.h>
#include <semaphore.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(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("%08x: %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("%08x: %s%s\n", offset+i-char_count, hex_line, char_line);
}
}
/****************************************************************************
* Name: bcmf_sem_wait
****************************************************************************/
int bcmf_sem_wait(sem_t *sem, unsigned int timeout_ms)
{
struct timespec abstime;
/* Get the current time */
(void)clock_gettime(CLOCK_REALTIME, &abstime);
abstime.tv_nsec += 1000 * 1000* timeout_ms;
if (abstime.tv_nsec >= 1000 * 1000 * 1000)
{
abstime.tv_sec++;
abstime.tv_nsec -= 1000 * 1000 * 1000;
}
return sem_timedwait(sem, &abstime);
}