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andy
2025-07-05 19:47:28 +08:00
parent 8c12c1ffc3
commit 079aa9f868
550 changed files with 13358 additions and 17326 deletions
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56
Project/Src/rt-thread/examples/kernel/semaphore_dynamic.c
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@@ -1,38 +1,38 @@
/*
* 程序清单：动态信号量
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>
*
* 这个例子中将创建一个动态信号量（初始值为0 ）及一个动态线程，在这个动态线程中
* 将试图采用超时方式去持有信号量，应该超时返回。然后这个线程释放一次信号量，并
* 在后面继续采用永久等待方式去持有信号量， 成功获得信号量后返回。
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼֵΪ0 <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>̬<EFBFBD>̣߳<DFB3><CCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>߳<EFBFBD><DFB3><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>ó<EFBFBD>ʱ<EFBFBD><EFBFBD>ʽȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ó<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ء<EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD>ͷ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õȴ<EFBFBD><EFBFBD><EFBFBD>ʽȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ɹ<EFBFBD><C9B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD>󷵻ء<F3B7B5BB>
*/
#include <rtthread.h>
#include "tc_comm.h"
/* 指向线程控制块的指针 */
/* ָ<EFBFBD><EFBFBD><EFBFBD>߳̿<EFBFBD><EFBFBD>ƿ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> */
static rt_thread_t tid = RT_NULL;
/* 指向信号量的指针 */
/* ָ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD> */
static rt_sem_t sem = RT_NULL;
/* 线程入口 */
/* <EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
static void thread_entry(void* parameter)
{
rt_err_t result;
rt_tick_t tick;
/* 获得当前的OS Tick */
/* <EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD>OS Tick */
tick = rt_tick_get();
/* 试图持有一个信号量，如果10个OS Tick依然没拿到，则超时返回 */
/* <EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>10<EFBFBD><EFBFBD>OS Tick<63><6B>Ȼû<C8BB>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> */
result = rt_sem_take(sem, 10);
if (result == -RT_ETIMEOUT)
{
rt_tick_t new_tick = rt_tick_get();
/* 可以有两个 tick 的误差 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> tick <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
if (new_tick - tick >= 12)
{
rt_kprintf("tick error to large: expect: 10, get %d\n",
new_tick - tick);
/* 如果失败，则测试失败 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD> */
tc_done(TC_STAT_FAILED);
rt_sem_delete(sem);
return;
@@ -41,34 +41,34 @@ static void thread_entry(void* parameter)
}
else
{
/* 因为并没释放信号量，应该是超时返回，否则测试失败 */
/* <EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>û<EFBFBD>ͷ<EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD>dz<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD> */
tc_done(TC_STAT_FAILED);
rt_sem_delete(sem);
return;
}
/* 释放一次信号量 */
/* <EFBFBD>ͷ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD> */
rt_sem_release(sem);
/* 继续持有信号量，并永远等待直到持有到信号量 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>ȴ<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD> */
result = rt_sem_take(sem, RT_WAITING_FOREVER);
if (result != RT_EOK)
{
/* 返回不正确，测试失败 */
/* <EFBFBD><EFBFBD><EFBFBD>ز<EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD> */
tc_done(TC_STAT_FAILED);
rt_sem_delete(sem);
return;
}
/* 测试成功 */
/* <EFBFBD><EFBFBD><EFBFBD>Գɹ<EFBFBD> */
tc_done(TC_STAT_PASSED);
/* 删除信号量 */
/* ɾ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD> */
rt_sem_delete(sem);
}
int semaphore_dynamic_init()
{
/* 创建一个信号量，初始值是0 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼֵ<EFBFBD><EFBFBD>0 */
sem = rt_sem_create("sem", 0, RT_IPC_FLAG_FIFO);
if (sem == RT_NULL)
{
@@ -76,9 +76,9 @@ int semaphore_dynamic_init()
return 0;
}
/* 创建线程 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD> */
tid = rt_thread_create("thread",
thread_entry, RT_NULL, /* 线程入口是thread_entry, 入口参数是RT_NULL */
thread_entry, RT_NULL, /* <EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread_entry, <EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
if (tid != RT_NULL)
rt_thread_startup(tid);
@@ -91,7 +91,7 @@ int semaphore_dynamic_init()
#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 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󣬽<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ж<EFBFBD> */
rt_enter_critical();
if (sem)
@@ -100,32 +100,32 @@ static void _tc_cleanup()
sem = RT_NULL;
}
/* 删除线程 */
/* ɾ<EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD> */
if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
{
rt_thread_delete(tid);
}
/* 调度器解锁 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
rt_exit_critical();
/* 设置TestCase状态 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>TestCase״̬ */
tc_done(TC_STAT_PASSED);
}
int _tc_semaphore_dynamic()
{
/* 设置TestCase清理回调函数 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>TestCase<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
tc_cleanup(_tc_cleanup);
semaphore_dynamic_init();
/* 返回TestCase运行的最长时间 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>TestCase<EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD> */
return 100;
}
/* 输出函数命令到finsh shell中 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>finsh shell<EFBFBD><EFBFBD> */
FINSH_FUNCTION_EXPORT(_tc_semaphore_dynamic, a dynamic semaphore example);
#else
/* 用户应用入口 */
/* <EFBFBD>û<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
int rt_application_init()
{
semaphore_dynamic_init();