Knight KE / Mbed OS Game_Master

游戏王对战板，目前code还是空的

mbed-os/events/mbed_shared_queues.cpp@0:9b3d4731edbb, 2018-06-21 (annotated)

Committer:
WFKnight
Date:
Thu Jun 21 13:51:43 2018 +0000
Revision:
0:9b3d4731edbb
UART, RTOS, LED

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WFKnight 0:9b3d4731edbb 1 /* events
WFKnight 0:9b3d4731edbb 2 * Copyright (c) 2017 ARM Limited
WFKnight 0:9b3d4731edbb 3 *
WFKnight 0:9b3d4731edbb 4 * Licensed under the Apache License, Version 2.0 (the "License");
WFKnight 0:9b3d4731edbb 5 * you may not use this file except in compliance with the License.
WFKnight 0:9b3d4731edbb 6 * You may obtain a copy of the License at
WFKnight 0:9b3d4731edbb 7 *
WFKnight 0:9b3d4731edbb 8 * http://www.apache.org/licenses/LICENSE-2.0
WFKnight 0:9b3d4731edbb 9 *
WFKnight 0:9b3d4731edbb 10 * Unless required by applicable law or agreed to in writing, software
WFKnight 0:9b3d4731edbb 11 * distributed under the License is distributed on an "AS IS" BASIS,
WFKnight 0:9b3d4731edbb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
WFKnight 0:9b3d4731edbb 13 * See the License for the specific language governing permissions and
WFKnight 0:9b3d4731edbb 14 * limitations under the License.
WFKnight 0:9b3d4731edbb 15 */
WFKnight 0:9b3d4731edbb 16
WFKnight 0:9b3d4731edbb 17 #include "events/mbed_shared_queues.h"
WFKnight 0:9b3d4731edbb 18 #include "mbed.h"
WFKnight 0:9b3d4731edbb 19
WFKnight 0:9b3d4731edbb 20 using namespace events;
WFKnight 0:9b3d4731edbb 21
WFKnight 0:9b3d4731edbb 22 namespace mbed {
WFKnight 0:9b3d4731edbb 23
WFKnight 0:9b3d4731edbb 24 #ifdef MBED_CONF_RTOS_PRESENT
WFKnight 0:9b3d4731edbb 25 /* Create an event queue, and start the thread that dispatches it. Static
WFKnight 0:9b3d4731edbb 26 * variables mean this happens once the first time each template instantiation
WFKnight 0:9b3d4731edbb 27 * is called. This is currently instantiated no more than twice.
WFKnight 0:9b3d4731edbb 28 */
WFKnight 0:9b3d4731edbb 29 template
WFKnight 0:9b3d4731edbb 30 <osPriority Priority, size_t QueueSize, size_t StackSize>
WFKnight 0:9b3d4731edbb 31 EventQueue *do_shared_event_queue_with_thread()
WFKnight 0:9b3d4731edbb 32 {
WFKnight 0:9b3d4731edbb 33 static uint64_t queue_buffer[QueueSize / sizeof(uint64_t)];
WFKnight 0:9b3d4731edbb 34 static EventQueue queue(sizeof queue_buffer, (unsigned char *) queue_buffer);
WFKnight 0:9b3d4731edbb 35
WFKnight 0:9b3d4731edbb 36 static uint64_t stack[StackSize / sizeof(uint64_t)];
WFKnight 0:9b3d4731edbb 37 static Thread thread(Priority, StackSize, (unsigned char *) stack);
WFKnight 0:9b3d4731edbb 38
WFKnight 0:9b3d4731edbb 39 Thread::State state = thread.get_state();
WFKnight 0:9b3d4731edbb 40 if (state == Thread::Inactive || state == Thread::Deleted) {
WFKnight 0:9b3d4731edbb 41 osStatus status = thread.start(callback(&queue, &EventQueue::dispatch_forever));
WFKnight 0:9b3d4731edbb 42 MBED_ASSERT(status == osOK);
WFKnight 0:9b3d4731edbb 43 if (status != osOK) {
WFKnight 0:9b3d4731edbb 44 return NULL;
WFKnight 0:9b3d4731edbb 45 }
WFKnight 0:9b3d4731edbb 46 }
WFKnight 0:9b3d4731edbb 47
WFKnight 0:9b3d4731edbb 48 return &queue;
WFKnight 0:9b3d4731edbb 49 }
WFKnight 0:9b3d4731edbb 50 #endif
WFKnight 0:9b3d4731edbb 51
WFKnight 0:9b3d4731edbb 52 EventQueue *mbed_event_queue()
WFKnight 0:9b3d4731edbb 53 {
WFKnight 0:9b3d4731edbb 54 #if MBED_CONF_EVENTS_SHARED_DISPATCH_FROM_APPLICATION || !defined MBED_CONF_RTOS_PRESENT
WFKnight 0:9b3d4731edbb 55 /* Only create the EventQueue, but no dispatching thread */
WFKnight 0:9b3d4731edbb 56 static unsigned char queue_buffer[MBED_CONF_EVENTS_SHARED_EVENTSIZE];
WFKnight 0:9b3d4731edbb 57 static EventQueue queue(sizeof queue_buffer, queue_buffer);
WFKnight 0:9b3d4731edbb 58
WFKnight 0:9b3d4731edbb 59 return &queue;
WFKnight 0:9b3d4731edbb 60 #else
WFKnight 0:9b3d4731edbb 61 return do_shared_event_queue_with_thread<osPriorityNormal, MBED_CONF_EVENTS_SHARED_EVENTSIZE, MBED_CONF_EVENTS_SHARED_STACKSIZE>();
WFKnight 0:9b3d4731edbb 62 #endif
WFKnight 0:9b3d4731edbb 63 }
WFKnight 0:9b3d4731edbb 64
WFKnight 0:9b3d4731edbb 65 #ifdef MBED_CONF_RTOS_PRESENT
WFKnight 0:9b3d4731edbb 66 EventQueue *mbed_highprio_event_queue()
WFKnight 0:9b3d4731edbb 67 {
WFKnight 0:9b3d4731edbb 68 return do_shared_event_queue_with_thread<osPriorityHigh, MBED_CONF_EVENTS_SHARED_HIGHPRIO_EVENTSIZE, MBED_CONF_EVENTS_SHARED_HIGHPRIO_STACKSIZE>();
WFKnight 0:9b3d4731edbb 69 }
WFKnight 0:9b3d4731edbb 70 #endif
WFKnight 0:9b3d4731edbb 71
WFKnight 0:9b3d4731edbb 72 }