cocoOS  4.1.0
os_event.h
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1 /*
2  * Copyright (c) 2012 Peter Eckstrand
3  *
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted (subject to the limitations in the
8  * disclaimer below) provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the
16  * distribution.
17  *
18  * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
19  * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
20  * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
21  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
22  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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29  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
30  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  * This file is part of the cocoOS operating system.
33  * Author: Peter Eckstrand <info@cocoos.net>
34  */
35 
36 
37 #ifndef OS_EVENT_H
38 #define OS_EVENT_H
39 
42 #include "cocoos.h"
43 #include "stdarg.h"
44 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
49 #define EVENT_OFS1 10000
50 #define EVENT_OFS2 11000
51 #define EVENT_OFS3 12000
52 
53 #define OS_WAIT_SINGLE_EVENT(x,timeout) do {\
54  os_wait_event(running_tid,x,1,timeout);\
55  OS_SCHEDULE(EVENT_OFS1);\
56  } while (0)
57 
58 
59 
60 
61 
62 
63 #define OS_WAIT_MULTIPLE_EVENTS( waitAll, args...) do {\
64  os_wait_multiple(waitAll, args, NO_EVENT);\
65  OS_SCHEDULE(EVENT_OFS2);\
66  } while (0)
67 
68 
69 
70 
71 
72 
73 #define OS_SIGNAL_EVENT(event) do {\
74  os_signal_event(event);\
75  os_event_set_signaling_tid( event, running_tid );\
76  OS_SCHEDULE(EVENT_OFS3);\
77  } while (0)
78 
79 
80 
81 
82 #define OS_INT_SIGNAL_EVENT(event) do {\
83  os_signal_event(event);\
84  os_event_set_signaling_tid( event, ISR_TID );\
85  } while (0)
86 
87 
88 #ifdef N_TOTAL_EVENTS
89  #define EVENT_QUEUE_SIZE ((N_TOTAL_EVENTS/9)+1)
90 #else
91  #define EVENT_QUEUE_SIZE 1
92 #endif
93 
94 
95 typedef uint8_t Evt_t;
96 
97 typedef struct {
98  uint8_t eventList[ EVENT_QUEUE_SIZE ];
99 } EventQueue_t;
100 
101 
102 void os_event_init();
103 void os_wait_event( uint8_t tid, Evt_t ev, uint8_t waitSingleEvent, uint16_t timeout );
104 void os_wait_multiple( uint8_t waitAll, ...);
105 void os_signal_event( Evt_t ev );
106 void os_event_set_signaling_tid( Evt_t ev, uint8_t tid );
107 Evt_t event_last_signaled_get(void);
108 
109 #ifdef __cplusplus
110 }
111 #endif
112 
113 #endif
Evt_t event_last_signaled_get(void)
Definition: os_event.c:149
Definition: os_event.h:97