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EventQueue.cpp
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EventQueue.cpp
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/* events
* Copyright (c) 2016 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "events/EventQueue.h"
#include "events/mbed_events.h"
#include "mbed.h"
EventQueue::EventQueue(unsigned event_size, unsigned char *event_pointer)
{
if (!event_pointer) {
equeue_create(&_equeue, event_size);
} else {
equeue_create_inplace(&_equeue, event_size, event_pointer);
}
}
EventQueue::~EventQueue()
{
equeue_destroy(&_equeue);
}
void EventQueue::dispatch(int ms)
{
return equeue_dispatch(&_equeue, ms);
}
void EventQueue::break_dispatch()
{
return equeue_break(&_equeue);
}
unsigned EventQueue::tick()
{
return equeue_tick();
}
void EventQueue::cancel(int id)
{
return equeue_cancel(&_equeue, id);
}
int EventQueue::time_left(int id)
{
return equeue_timeleft(&_equeue, id);
}
void EventQueue::background(Callback<void(int)> update)
{
_update = update;
if (_update) {
equeue_background(&_equeue, &Callback<void(int)>::thunk, &_update);
} else {
equeue_background(&_equeue, 0, 0);
}
}
void EventQueue::chain(EventQueue *target)
{
if (target) {
equeue_chain(&_equeue, &target->_equeue);
} else {
equeue_chain(&_equeue, 0);
}
}