EL4121 Embedded System / mbed-os

mbed-os

Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

events/EventQueue.cpp@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 /* events
be_bryan 0:b74591d5ab33 2 * Copyright (c) 2016 ARM Limited
be_bryan 0:b74591d5ab33 3 *
be_bryan 0:b74591d5ab33 4 * Licensed under the Apache License, Version 2.0 (the "License");
be_bryan 0:b74591d5ab33 5 * you may not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 6 * You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 7 *
be_bryan 0:b74591d5ab33 8 * http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 9 *
be_bryan 0:b74591d5ab33 10 * Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 11 * distributed under the License is distributed on an "AS IS" BASIS,
be_bryan 0:b74591d5ab33 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 13 * See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 14 * limitations under the License.
be_bryan 0:b74591d5ab33 15 */
be_bryan 0:b74591d5ab33 16 #include "events/EventQueue.h"
be_bryan 0:b74591d5ab33 17
be_bryan 0:b74591d5ab33 18 #include "events/mbed_events.h"
be_bryan 0:b74591d5ab33 19 #include "mbed.h"
be_bryan 0:b74591d5ab33 20
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 EventQueue::EventQueue(unsigned event_size, unsigned char *event_pointer) {
be_bryan 0:b74591d5ab33 23 if (!event_pointer) {
be_bryan 0:b74591d5ab33 24 equeue_create(&_equeue, event_size);
be_bryan 0:b74591d5ab33 25 } else {
be_bryan 0:b74591d5ab33 26 equeue_create_inplace(&_equeue, event_size, event_pointer);
be_bryan 0:b74591d5ab33 27 }
be_bryan 0:b74591d5ab33 28 }
be_bryan 0:b74591d5ab33 29
be_bryan 0:b74591d5ab33 30 EventQueue::~EventQueue() {
be_bryan 0:b74591d5ab33 31 equeue_destroy(&_equeue);
be_bryan 0:b74591d5ab33 32 }
be_bryan 0:b74591d5ab33 33
be_bryan 0:b74591d5ab33 34 void EventQueue::dispatch(int ms) {
be_bryan 0:b74591d5ab33 35 return equeue_dispatch(&_equeue, ms);
be_bryan 0:b74591d5ab33 36 }
be_bryan 0:b74591d5ab33 37
be_bryan 0:b74591d5ab33 38 void EventQueue::break_dispatch() {
be_bryan 0:b74591d5ab33 39 return equeue_break(&_equeue);
be_bryan 0:b74591d5ab33 40 }
be_bryan 0:b74591d5ab33 41
be_bryan 0:b74591d5ab33 42 unsigned EventQueue::tick() {
be_bryan 0:b74591d5ab33 43 return equeue_tick();
be_bryan 0:b74591d5ab33 44 }
be_bryan 0:b74591d5ab33 45
be_bryan 0:b74591d5ab33 46 void EventQueue::cancel(int id) {
be_bryan 0:b74591d5ab33 47 return equeue_cancel(&_equeue, id);
be_bryan 0:b74591d5ab33 48 }
be_bryan 0:b74591d5ab33 49
be_bryan 0:b74591d5ab33 50 void EventQueue::background(Callback<void(int)> update) {
be_bryan 0:b74591d5ab33 51 _update = update;
be_bryan 0:b74591d5ab33 52
be_bryan 0:b74591d5ab33 53 if (_update) {
be_bryan 0:b74591d5ab33 54 equeue_background(&_equeue, &Callback<void(int)>::thunk, &_update);
be_bryan 0:b74591d5ab33 55 } else {
be_bryan 0:b74591d5ab33 56 equeue_background(&_equeue, 0, 0);
be_bryan 0:b74591d5ab33 57 }
be_bryan 0:b74591d5ab33 58 }
be_bryan 0:b74591d5ab33 59
be_bryan 0:b74591d5ab33 60 void EventQueue::chain(EventQueue *target) {
be_bryan 0:b74591d5ab33 61 if (target) {
be_bryan 0:b74591d5ab33 62 equeue_chain(&_equeue, &target->_equeue);
be_bryan 0:b74591d5ab33 63 } else {
be_bryan 0:b74591d5ab33 64 equeue_chain(&_equeue, 0);
be_bryan 0:b74591d5ab33 65 }
be_bryan 0:b74591d5ab33 66 }