tos.h

传感器网络中的嵌入式操作系统源代码

// $Id: tos.h,v 1.8.2.4 2003/08/26 09:08:17 cssharp Exp $

/*									tab:4
 * "Copyright (c) 2000-2003 The Regents of the University  of California.  
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement is
 * hereby granted, provided that the above copyright notice, the following
 * two paragraphs and the author appear in all copies of this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 *
 * Copyright (c) 2002-2003 Intel Corporation
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE     
 * file. If you do not find these files, copies can be found by writing to
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, 
 * 94704.  Attention:  Intel License Inquiry.
 */
/*
 *
 * Authors:		Jason Hill, David Gay, Philip Levis, Nelson Lee
 * Date last modified:  6/25/02
 *
 */

/**
 * @author Jason Hill
 * @author David Gay
 * @author Philip Levis
 * @author Nelson Lee
 */


#ifndef __CYGWIN__
#include <inttypes.h>
#else //__CYGWIN
// Must be PLATFORM_PC...
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>

// Earlier cygwins do not define uint8_t & co
#ifndef __uint8_t_defined
#define __uint8_t_defined
typedef u_int8_t uint8_t;
#endif

#ifndef __uint16_t_defined
#define __uint16_t_defined
typedef u_int16_t uint16_t;
#endif

#ifndef __uint32_t_defined
#define __uint32_t_defined
typedef u_int32_t uint32_t;
#endif

#endif //__CYGWIN
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <stddef.h>
#include <ctype.h>

#ifndef GENERICCOMM
# define GENERICCOMM GenericComm //the name of the default generic comm component
#endif

#ifndef GENERICCOMMPROMISCUOUS
# define GENERICCOMMPROMISCUOUS GenericCommPromiscuous //the name of the default promiscuous generic comm component
#endif

typedef unsigned char bool;
enum {
  FALSE = 0,
  TRUE = 1
};

uint16_t TOS_LOCAL_ADDRESS = 1;

enum { /* standard codes for result_t */
  FAIL = 0,
  SUCCESS = 1
};

#if NESC >= 110
uint8_t rcombine(uint8_t r1, uint8_t r2); // keep 1.1alpha1 happy
typedef uint8_t result_t __attribute__((combine(rcombine)));
#else
typedef uint8_t result_t;
#define atomic
#define async
#define norace
#endif

result_t rcombine(result_t r1, result_t r2)
/* Returns: FAIL if r1 or r2 == FAIL , r2 otherwise. This is the standard
     combining rule for results
*/
{
  return r1 == FAIL ? FAIL : r2;
}

result_t rcombine3(result_t r1, result_t r2, result_t r3)
{
  return rcombine(r1, rcombine(r2, r3));
}

result_t rcombine4(result_t r1, result_t r2, result_t r3,
				 result_t r4)
{
  return rcombine(r1, rcombine(r2, rcombine(r3, r4)));
}

#undef NULL
enum {
	NULL = 0x0
};

#include <hardware.h>
#include <dbg.h>
#include <sched.c>

// buggy in avr-gcc 3.1
void *nmemcpy(void *to, const void *from, size_t n)
{
  char *cto = to;
  const char *cfrom = from;

  while (n--) *cto++ = *cfrom++;
  
  return to;
}

void *nmemset(void *to, int val, size_t n)
{
  char *cto = to;

  while (n--) *cto++ = val;

  return to;
}

#if 0 /* to be turned by David Gay later */
int strcasecmp(const char *s1, const char *s2)
{
   while (*s1 && *s2)
     {
       int c1 = tolower(*s1++), c2 = tolower(*s2++);

       if (c1 != c2)
	return c1 - c2;
     }
   if (*s1)
     return 1;
   else if (*s2)
     return -1;
   else
     return 0;
}
#endif

#define memcpy nmemcpy
#define memset nmemset


/* avr-gcc lib 3.3 for 128s defines an output() macro. 
 * This is clearly a bad idea.
 * But we have to live with it. The problem is that
 * the IntOutput interface has a command, output; if we don't
 * undef gcc's output. the compiler tosses an error at you.
 * -pal, 6/2/03
 */ 
#ifdef output
#undef output
#endif