2021-03-08 07:18:51 +08:00
|
|
|
|
/*
|
|
|
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
|
|
|
*
|
|
|
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
|
|
|
*
|
|
|
|
|
* Change Logs:
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
2010-03-22 17:17:38 +08:00
|
|
|
|
/*
|
|
|
|
|
* 程序清单:邮箱例程
|
|
|
|
|
*
|
|
|
|
|
* 这个程序会创建2个动态线程,一个静态的邮箱对象,其中一个线程往邮箱中发送邮件,
|
|
|
|
|
* 一个线程往邮箱中收取邮件。
|
|
|
|
|
*/
|
|
|
|
|
#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;
|
|
|
|
|
|
2010-03-23 17:45:58 +08:00
|
|
|
|
/* 邮箱控制块 */
|
2010-03-22 17:17:38 +08:00
|
|
|
|
static struct rt_mailbox mb;
|
2010-03-23 17:45:58 +08:00
|
|
|
|
/* 用于放邮件的内存池 */
|
2010-03-22 17:17:38 +08:00
|
|
|
|
static char mb_pool[128];
|
2010-03-23 17:45:58 +08:00
|
|
|
|
|
2010-03-22 17:17:38 +08:00
|
|
|
|
static char mb_str1[] = "I'm a mail!";
|
|
|
|
|
static char mb_str2[] = "this is another mail!";
|
|
|
|
|
|
|
|
|
|
/* 线程1入口 */
|
|
|
|
|
static void thread1_entry(void* parameter)
|
|
|
|
|
{
|
2013-12-21 11:56:33 +08:00
|
|
|
|
unsigned char* str;
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
while (1)
|
|
|
|
|
{
|
|
|
|
|
rt_kprintf("thread1: try to recv a mail\n");
|
2010-03-23 17:45:58 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 从邮箱中收取邮件 */
|
|
|
|
|
if (rt_mb_recv(&mb, (rt_uint32_t*)&str, RT_WAITING_FOREVER) == RT_EOK)
|
|
|
|
|
{
|
|
|
|
|
rt_kprintf("thread1: get a mail from mailbox, the content:%s\n", str);
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 延时10个OS Tick */
|
|
|
|
|
rt_thread_delay(10);
|
|
|
|
|
}
|
|
|
|
|
}
|
2010-03-22 17:17:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* 线程2入口 */
|
|
|
|
|
static void thread2_entry(void* parameter)
|
|
|
|
|
{
|
2013-12-21 11:56:33 +08:00
|
|
|
|
rt_uint8_t count;
|
|
|
|
|
|
|
|
|
|
count = 0;
|
|
|
|
|
while (1)
|
|
|
|
|
{
|
|
|
|
|
count ++;
|
|
|
|
|
if (count & 0x1)
|
|
|
|
|
{
|
|
|
|
|
/* 发送mb_str1地址到邮箱中 */
|
|
|
|
|
rt_mb_send(&mb, (rt_uint32_t)&mb_str1[0]);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* 发送mb_str2地址到邮箱中 */
|
|
|
|
|
rt_mb_send(&mb, (rt_uint32_t)&mb_str2[0]);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* 延时20个OS Tick */
|
|
|
|
|
rt_thread_delay(20);
|
|
|
|
|
}
|
2010-03-22 17:17:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int mbox_simple_init()
|
|
|
|
|
{
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 初始化一个mailbox */
|
|
|
|
|
rt_mb_init(&mb,
|
|
|
|
|
"mbt", /* 名称是mbt */
|
|
|
|
|
&mb_pool[0], /* 邮箱用到的内存池是mb_pool */
|
|
|
|
|
sizeof(mb_pool)/4, /* 大小是mb_pool大小除以4,因为一封邮件的大小是4字节 */
|
|
|
|
|
RT_IPC_FLAG_FIFO); /* 采用FIFO方式进行线程等待 */
|
|
|
|
|
|
|
|
|
|
/* 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);
|
|
|
|
|
|
|
|
|
|
return 0;
|
2010-03-22 17:17:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef RT_USING_TC
|
|
|
|
|
static void _tc_cleanup()
|
|
|
|
|
{
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 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();
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 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);
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 执行邮箱对象脱离 */
|
|
|
|
|
rt_mb_detach(&mb);
|
2010-03-23 17:45:58 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 调度器解锁 */
|
|
|
|
|
rt_exit_critical();
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 设置TestCase状态 */
|
|
|
|
|
tc_done(TC_STAT_PASSED);
|
2010-03-22 17:17:38 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int _tc_mbox_simple()
|
|
|
|
|
{
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 设置TestCase清理回调函数 */
|
|
|
|
|
tc_cleanup(_tc_cleanup);
|
|
|
|
|
mbox_simple_init();
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
/* 返回TestCase运行的最长时间 */
|
|
|
|
|
return 100;
|
2010-03-22 17:17:38 +08:00
|
|
|
|
}
|
|
|
|
|
/* 输出函数命令到finsh shell中 */
|
|
|
|
|
FINSH_FUNCTION_EXPORT(_tc_mbox_simple, a simple mailbox example);
|
|
|
|
|
#else
|
|
|
|
|
/* 用户应用入口 */
|
|
|
|
|
int rt_application_init()
|
|
|
|
|
{
|
2013-12-21 11:56:33 +08:00
|
|
|
|
mbox_simple_init();
|
2010-03-22 17:17:38 +08:00
|
|
|
|
|
2013-12-21 11:56:33 +08:00
|
|
|
|
return 0;
|
2010-03-22 17:17:38 +08:00
|
|
|
|
}
|
|
|
|
|
#endif
|