Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/events/EventQueue.cpp@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 /* events
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2016 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16 #include "events/EventQueue.h"
marcozecchini 0:9fca2b23d0ba 17
marcozecchini 0:9fca2b23d0ba 18 #include "events/mbed_events.h"
marcozecchini 0:9fca2b23d0ba 19 #include "mbed.h"
marcozecchini 0:9fca2b23d0ba 20
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 EventQueue::EventQueue(unsigned event_size, unsigned char *event_pointer) {
marcozecchini 0:9fca2b23d0ba 23 if (!event_pointer) {
marcozecchini 0:9fca2b23d0ba 24 equeue_create(&_equeue, event_size);
marcozecchini 0:9fca2b23d0ba 25 } else {
marcozecchini 0:9fca2b23d0ba 26 equeue_create_inplace(&_equeue, event_size, event_pointer);
marcozecchini 0:9fca2b23d0ba 27 }
marcozecchini 0:9fca2b23d0ba 28 }
marcozecchini 0:9fca2b23d0ba 29
marcozecchini 0:9fca2b23d0ba 30 EventQueue::~EventQueue() {
marcozecchini 0:9fca2b23d0ba 31 equeue_destroy(&_equeue);
marcozecchini 0:9fca2b23d0ba 32 }
marcozecchini 0:9fca2b23d0ba 33
marcozecchini 0:9fca2b23d0ba 34 void EventQueue::dispatch(int ms) {
marcozecchini 0:9fca2b23d0ba 35 return equeue_dispatch(&_equeue, ms);
marcozecchini 0:9fca2b23d0ba 36 }
marcozecchini 0:9fca2b23d0ba 37
marcozecchini 0:9fca2b23d0ba 38 void EventQueue::break_dispatch() {
marcozecchini 0:9fca2b23d0ba 39 return equeue_break(&_equeue);
marcozecchini 0:9fca2b23d0ba 40 }
marcozecchini 0:9fca2b23d0ba 41
marcozecchini 0:9fca2b23d0ba 42 unsigned EventQueue::tick() {
marcozecchini 0:9fca2b23d0ba 43 return equeue_tick();
marcozecchini 0:9fca2b23d0ba 44 }
marcozecchini 0:9fca2b23d0ba 45
marcozecchini 0:9fca2b23d0ba 46 void EventQueue::cancel(int id) {
marcozecchini 0:9fca2b23d0ba 47 return equeue_cancel(&_equeue, id);
marcozecchini 0:9fca2b23d0ba 48 }
marcozecchini 0:9fca2b23d0ba 49
marcozecchini 0:9fca2b23d0ba 50 void EventQueue::background(Callback<void(int)> update) {
marcozecchini 0:9fca2b23d0ba 51 _update = update;
marcozecchini 0:9fca2b23d0ba 52
marcozecchini 0:9fca2b23d0ba 53 if (_update) {
marcozecchini 0:9fca2b23d0ba 54 equeue_background(&_equeue, &Callback<void(int)>::thunk, &_update);
marcozecchini 0:9fca2b23d0ba 55 } else {
marcozecchini 0:9fca2b23d0ba 56 equeue_background(&_equeue, 0, 0);
marcozecchini 0:9fca2b23d0ba 57 }
marcozecchini 0:9fca2b23d0ba 58 }
marcozecchini 0:9fca2b23d0ba 59
marcozecchini 0:9fca2b23d0ba 60 void EventQueue::chain(EventQueue *target) {
marcozecchini 0:9fca2b23d0ba 61 if (target) {
marcozecchini 0:9fca2b23d0ba 62 equeue_chain(&_equeue, &target->_equeue);
marcozecchini 0:9fca2b23d0ba 63 } else {
marcozecchini 0:9fca2b23d0ba 64 equeue_chain(&_equeue, 0);
marcozecchini 0:9fca2b23d0ba 65 }
marcozecchini 0:9fca2b23d0ba 66 }