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os_event.h
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os_event.h
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/*
* Copyright (c) 2012 Peter Eckstrand
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) 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.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. 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.
*
* This file is part of the cocoOS operating system.
* Author: Peter Eckstrand <info@cocoos.net>
*/
#ifndef OS_EVENT_H
#define OS_EVENT_H
/** @file os_event.h Event header file*/
#include "cocoos.h"
#include "stdarg.h"
#ifdef __cplusplus
extern "C" {
#endif
#define EVENT_OFS1 10000
#define EVENT_OFS2 11000
#define EVENT_OFS3 12000
#define OS_WAIT_SINGLE_EVENT(x,timeout) do {\
os_wait_event(running_tid,x,1,timeout);\
OS_SCHEDULE(EVENT_OFS1);\
} while (0)
#define OS_WAIT_MULTIPLE_EVENTS( waitAll, args...) do {\
os_wait_multiple(waitAll, args, NO_EVENT);\
OS_SCHEDULE(EVENT_OFS2);\
} while (0)
#define OS_SIGNAL_EVENT(event) do {\
os_signal_event(event);\
os_event_set_signaling_tid( event, running_tid );\
OS_SCHEDULE(EVENT_OFS3);\
} while (0)
#define OS_INT_SIGNAL_EVENT(event) do {\
os_signal_event(event);\
os_event_set_signaling_tid( event, ISR_TID );\
} while (0)
#define OS_GET_TASK_TIMEOUT_VALUE() os_task_timeout_get(running_tid)
#ifdef N_TOTAL_EVENTS
#define EVENT_QUEUE_SIZE ((N_TOTAL_EVENTS/9)+1)
#else
#define EVENT_QUEUE_SIZE 1
#endif
typedef uint8_t Evt_t;
typedef struct {
uint8_t eventList[ EVENT_QUEUE_SIZE ];
} EventQueue_t;
void os_event_init( void );
void os_wait_event( uint8_t tid, Evt_t ev, uint8_t waitSingleEvent, uint32_t timeout );
void os_wait_multiple( uint8_t waitAll, ...);
void os_signal_event( Evt_t ev );
void os_event_set_signaling_tid( Evt_t ev, uint8_t tid );
Evt_t event_last_signaled_get(void);
#ifdef __cplusplus
}
#endif
#endif