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mbed-os/events/EventQueue.cpp@4:75df35ef4fb6, 2018-03-30 (annotated)

Committer:
borlanic
Date:
Fri Mar 30 14:07:05 2018 +0000
Revision:
4:75df35ef4fb6
Parent:
0:380207fcb5c1 
commentar

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:380207fcb5c1 1 /* events
borlanic 0:380207fcb5c1 2 * Copyright (c) 2016 ARM Limited
borlanic 0:380207fcb5c1 3 *
borlanic 0:380207fcb5c1 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:380207fcb5c1 5 * you may not use this file except in compliance with the License.
borlanic 0:380207fcb5c1 6 * You may obtain a copy of the License at
borlanic 0:380207fcb5c1 7 *
borlanic 0:380207fcb5c1 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:380207fcb5c1 9 *
borlanic 0:380207fcb5c1 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:380207fcb5c1 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:380207fcb5c1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:380207fcb5c1 13 * See the License for the specific language governing permissions and
borlanic 0:380207fcb5c1 14 * limitations under the License.
borlanic 0:380207fcb5c1 15 */
borlanic 0:380207fcb5c1 16 #include "events/EventQueue.h"
borlanic 0:380207fcb5c1 17
borlanic 0:380207fcb5c1 18 #include "events/mbed_events.h"
borlanic 0:380207fcb5c1 19 #include "mbed.h"
borlanic 0:380207fcb5c1 20
borlanic 0:380207fcb5c1 21
borlanic 0:380207fcb5c1 22 EventQueue::EventQueue(unsigned event_size, unsigned char *event_pointer) {
borlanic 0:380207fcb5c1 23 if (!event_pointer) {
borlanic 0:380207fcb5c1 24 equeue_create(&_equeue, event_size);
borlanic 0:380207fcb5c1 25 } else {
borlanic 0:380207fcb5c1 26 equeue_create_inplace(&_equeue, event_size, event_pointer);
borlanic 0:380207fcb5c1 27 }
borlanic 0:380207fcb5c1 28 }
borlanic 0:380207fcb5c1 29
borlanic 0:380207fcb5c1 30 EventQueue::~EventQueue() {
borlanic 0:380207fcb5c1 31 equeue_destroy(&_equeue);
borlanic 0:380207fcb5c1 32 }
borlanic 0:380207fcb5c1 33
borlanic 0:380207fcb5c1 34 void EventQueue::dispatch(int ms) {
borlanic 0:380207fcb5c1 35 return equeue_dispatch(&_equeue, ms);
borlanic 0:380207fcb5c1 36 }
borlanic 0:380207fcb5c1 37
borlanic 0:380207fcb5c1 38 void EventQueue::break_dispatch() {
borlanic 0:380207fcb5c1 39 return equeue_break(&_equeue);
borlanic 0:380207fcb5c1 40 }
borlanic 0:380207fcb5c1 41
borlanic 0:380207fcb5c1 42 unsigned EventQueue::tick() {
borlanic 0:380207fcb5c1 43 return equeue_tick();
borlanic 0:380207fcb5c1 44 }
borlanic 0:380207fcb5c1 45
borlanic 0:380207fcb5c1 46 void EventQueue::cancel(int id) {
borlanic 0:380207fcb5c1 47 return equeue_cancel(&_equeue, id);
borlanic 0:380207fcb5c1 48 }
borlanic 0:380207fcb5c1 49
borlanic 0:380207fcb5c1 50 void EventQueue::background(Callback<void(int)> update) {
borlanic 0:380207fcb5c1 51 _update = update;
borlanic 0:380207fcb5c1 52
borlanic 0:380207fcb5c1 53 if (_update) {
borlanic 0:380207fcb5c1 54 equeue_background(&_equeue, &Callback<void(int)>::thunk, &_update);
borlanic 0:380207fcb5c1 55 } else {
borlanic 0:380207fcb5c1 56 equeue_background(&_equeue, 0, 0);
borlanic 0:380207fcb5c1 57 }
borlanic 0:380207fcb5c1 58 }
borlanic 0:380207fcb5c1 59
borlanic 0:380207fcb5c1 60 void EventQueue::chain(EventQueue *target) {
borlanic 0:380207fcb5c1 61 if (target) {
borlanic 0:380207fcb5c1 62 equeue_chain(&_equeue, &target->_equeue);
borlanic 0:380207fcb5c1 63 } else {
borlanic 0:380207fcb5c1 64 equeue_chain(&_equeue, 0);
borlanic 0:380207fcb5c1 65 }
borlanic 0:380207fcb5c1 66 }