btinq.c

linux系统下的关于蓝牙模块的源代码！十分的经典的程序！

/*
 * btinq.c -- Performs inquiry scan
 *
 * Copyright (C) 2000, 2001  Axis Communications AB
 *
 * Author: Mattias Agren <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Exceptionally, Axis Communications AB grants discretionary and
 * conditional permissions for additional use of the text contained
 * in the company's release of the AXIS OpenBT Stack under the
 * provisions set forth hereunder.
 *
 * Provided that, if you use the AXIS OpenBT Stack with other files,
 * that do not implement functionality as specified in the Bluetooth
 * System specification, to produce an executable, this does not by
 * itself cause the resulting executable to be covered by the GNU
 * General Public License. Your use of that executable is in no way
 * restricted on account of using the AXIS OpenBT Stack code with it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the provisions of the GNU
 * General Public License.
 *
 * $Id: btinq.c,v 1.3 2001/05/14 11:29:36 pkj Exp $
 *
 */

#include <sys/time.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <time.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#include <getopt.h>

#include "btd.h"
#include "bt_if.h"
#include "bt_conf.h"

/* 
 * Syntax: btinq -n <max # returned> -t <max inq time> 
 */

int
main(int argc, char **argv)
{ 
  int bt_cfd, opt, t = 10, nbr = 10;

  while ((opt = getopt(argc, argv, "n:t:")) != -1)
  {
    switch(opt)
    {
     case 'n':
      nbr = atoi(optarg);
      break;
      
     case 't':
      t = atoi(optarg);
      break;

     default:
      break;
    }
  }

  /* Open BT ctrl device */  
  if ((bt_cfd = bt_openctrl()) < 0)
  {
    perror("Could not open BT control device");
    exit(1);
  }

  /* First of all check that stack is running */
  if (!bt_isinitiated(bt_cfd))
  {
    printf("Stack not initiated, exit\n");
    exit(1);
  }

  bt_inquiry(bt_cfd, nbr, t);
 
  close(bt_cfd);
  exit(0);
}