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Diffstat (limited to 'examples/kernel/messageq_simple.c')
| -rw-r--r-- | examples/kernel/messageq_simple.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/examples/kernel/messageq_simple.c b/examples/kernel/messageq_simple.c deleted file mode 100644 index 90bed7dd82..0000000000 --- a/examples/kernel/messageq_simple.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * Copyright (c) 2006-2021, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * - */ - -/* - * 程序清单：消息队列例程 - * - * 这个程序会创建3个动态线程，一个线程会从消息队列中收取消息；一个线程会定时给消 - * 息队列发送消息；一个线程会定时给消息队列发送紧急消息。 - */ -#include <rtthread.h> -#include "tc_comm.h" - -/* 指向线程控制块的指针 */ -static rt_thread_t tid1 = RT_NULL; -static rt_thread_t tid2 = RT_NULL; -static rt_thread_t tid3 = RT_NULL; - -/* 消息队列控制块 */ -static struct rt_messagequeue mq; -/* 消息队列中用到的放置消息的内存池 */ -static char msg_pool[2048]; - -/* 线程1入口函数 */ -static void thread1_entry(void* parameter) -{ - char buf[128]; - - while (1) - { - rt_memset(&buf[0], 0, sizeof(buf)); - - /* 从消息队列中接收消息 */ - if (rt_mq_recv(&mq, &buf[0], sizeof(buf), RT_WAITING_FOREVER) == RT_EOK) - { - rt_kprintf("thread1: recv msg from message queue, the content:%s\n", buf); - } - - /* 延迟10个OS Tick */ - rt_thread_delay(10); - } -} - -/* 线程2入口函数 */ -static void thread2_entry(void* parameter) -{ - int i, result; - char buf[] = "this is message No.x"; - - while (1) - { - for (i = 0; i < 10; i++) - { - buf[sizeof(buf) - 2] = '0' + i; - - rt_kprintf("thread2: send message - %s\n", buf); - /* 发送消息到消息队列中 */ - result = rt_mq_send(&mq, &buf[0], sizeof(buf)); - if ( result == -RT_EFULL) - { - /* 消息队列满， 延迟1s时间 */ - rt_kprintf("message queue full, delay 1s\n"); - rt_thread_delay(100); - } - } - - /* 延时10个OS Tick */ - rt_thread_delay(10); - } -} - -/* 线程3入口函数 */ -static void thread3_entry(void* parameter) -{ - char buf[] = "this is an urgent message!"; - - while (1) - { - rt_kprintf("thread3: send an urgent message\n"); - - /* 发送紧急消息到消息队列中 */ - rt_mq_urgent(&mq, &buf[0], sizeof(buf)); - - /* 延时25个OS Tick */ - rt_thread_delay(25); - } -} - -int messageq_simple_init() -{ - /* 初始化消息队列 */ - rt_mq_init(&mq, "mqt", - &msg_pool[0], /* 内存池指向msg_pool */ - 128 - sizeof(void*), /* 每个消息的大小是 128 - void* */ - sizeof(msg_pool), /* 内存池的大小是msg_pool的大小 */ - RT_IPC_FLAG_PRIO); /* 如果有多个线程等待，按照优先级由高到低的方法分配消息 */ - - /* 创建线程1 */ - tid1 = rt_thread_create("t1", - thread1_entry, RT_NULL, /* 线程入口是thread1_entry, 入口参数是RT_NULL */ - THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); - if (tid1 != RT_NULL) - rt_thread_startup(tid1); - else - tc_stat(TC_STAT_END | TC_STAT_FAILED); - - /* 创建线程2 */ - tid2 = rt_thread_create("t2", - thread2_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ - THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); - if (tid2 != RT_NULL) - rt_thread_startup(tid2); - else - tc_stat(TC_STAT_END | TC_STAT_FAILED); - - /* 创建线程3 */ - tid3 = rt_thread_create("t3", - thread3_entry, RT_NULL, /* 线程入口是thread2_entry, 入口参数是RT_NULL */ - THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE); - if (tid3 != RT_NULL) - rt_thread_startup(tid3); - else - tc_stat(TC_STAT_END | TC_STAT_FAILED); - - return 0; -} - -#ifdef RT_USING_TC -static void _tc_cleanup() -{ - /* 调度器上锁，上锁后，将不再切换到其他线程，仅响应中断 */ - rt_enter_critical(); - - /* 删除线程 */ - if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE) - rt_thread_delete(tid1); - if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE) - rt_thread_delete(tid2); - if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE) - rt_thread_delete(tid3); - - /* 执行消息队列对象脱离 */ - rt_mq_detach(&mq); - - /* 调度器解锁 */ - rt_exit_critical(); - - /* 设置TestCase状态 */ - tc_done(TC_STAT_PASSED); -} - -int _tc_messageq_simple() -{ - /* 设置TestCase清理回调函数 */ - tc_cleanup(_tc_cleanup); - messageq_simple_init(); - - /* 返回TestCase运行的最长时间 */ - return 100; -} -/* 输出函数命令到finsh shell中 */ -FINSH_FUNCTION_EXPORT(_tc_messageq_simple, a simple message queue example); -#else -/* 用户应用入口 */ -int rt_application_init() -{ - messageq_simple_init(); - - return 0; -} -#endif |