Contiki-NG
simEnvChange.h
1 /*
2  * Copyright (c) 2006, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  */
30 
31 #ifndef SIMENVCHANGE_H_
32 #define SIMENVCHANGE_H_
33 
34 #include "contiki.h"
35 
36 /* Simulation interface structure */
37 struct simInterface {
38  void (* doActionsBeforeTick) (void);
39  void (* doActionsAfterTick) (void);
40 };
41 
42 // Variable for keeping the last process_run() return value
43 extern int simProcessRunValue;
44 extern int simEtimerPending;
45 extern clock_time_t simEtimerNextExpirationTime;
46 extern clock_time_t simCurrentTime;
47 
48 // Variable that when set to != 0, stops the mote from falling asleep next tick
49 extern char simDontFallAsleep;
50 
51 // Definition for registering an interface
52 #define SIM_INTERFACE(name, doActionsBeforeTick, doActionsAfterTick) \
53 const struct simInterface name = { doActionsBeforeTick, doActionsAfterTick }
54 
55 // Definition for getting access to simulation interface
56 #define SIM_INTERFACE_NAME(name) \
57 extern const struct simInterface name
58 
59 // Definition for creating all interface (from main file)
60 #define SIM_INTERFACES(...) \
61 const struct simInterface *simInterfaces[] = {__VA_ARGS__, NULL};
62 
63 // Functions which polls all interfaces
64 void doActionsBeforeTick();
65 void doActionsAfterTick();
66 
67 #endif /* SIMENVCHANGE_H_ */