175 lines
2.4 KiB
C
175 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2023-06-01 murmur the first version
|
|
*/
|
|
/*
|
|
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
|
|
|
*
|
|
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
|
|
*
|
|
|
|
* Change Logs:
|
|
|
|
* Date Author Notes
|
|
|
|
* 2018-08-24 yangjie the first version
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 程序清单：空闲任务钩子例程
|
|
|
|
*
|
|
|
|
* 这个例程创建一个线程，通过延时进入空闲任务钩子，用于打印进入空闲钩子的次数
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <rtthread.h>
|
|
#include <rtdevice.h>
|
|
#include <rthw.h>
|
|
|
|
|
|
|
|
#define THREAD_PRIORITY 20
|
|
|
|
#define THREAD_STACK_SIZE 1024
|
|
|
|
#define THREAD_TIMESLICE 5
|
|
|
|
|
|
|
|
/* 指向线程控制块的指针 */
|
|
|
|
static rt_thread_t tid = RT_NULL;
|
|
|
|
|
|
|
|
/* 空闲函数钩子函数执行次数 */
|
|
|
|
volatile static int hook_times = 0;
|
|
int t=0;
|
|
extern rt_device_t wdg_dev; /* 看门狗设备句柄 */
|
|
|
|
/* 空闲任务钩子函数 */
|
|
|
|
static void idle_hook()
|
|
|
|
{
|
|
|
|
// if (0 == (hook_times % 10000))
|
|
//
|
|
// {
|
|
//
|
|
// rt_kprintf("enter idle hook %d times.\n", hook_times);
|
|
//
|
|
// }
|
|
rt_thread_mdelay(1000);
|
|
rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_GET_TIMEOUT, &t);
|
|
rt_kprintf("---%d\n", t);
|
|
|
|
// rt_enter_critical();
|
|
//
|
|
// hook_times++;
|
|
//
|
|
// rt_exit_critical();
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 线程入口 */
|
|
|
|
static void thread_entry(void *parameter)
|
|
|
|
{
|
|
|
|
int i = 5;
|
|
|
|
// while (1)
|
|
//
|
|
// {
|
|
|
|
// rt_kprintf("enter thread1.\n");
|
|
//
|
|
// rt_enter_critical();
|
|
//
|
|
// hook_times = 0;
|
|
//
|
|
// rt_exit_critical();
|
|
|
|
|
|
|
|
/* 休眠500ms */
|
|
|
|
// rt_kprintf("thread1 delay 50 OS Tick.\n", hook_times);
|
|
//
|
|
// rt_thread_mdelay(500);
|
|
//
|
|
// }
|
|
|
|
// rt_kprintf("delete idle hook.\n");
|
|
|
|
|
|
|
|
/* 删除空闲钩子函数 */
|
|
|
|
// rt_thread_idle_delhook(idle_hook);
|
|
|
|
// rt_kprintf("thread1 finish.\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
int idle_hook_sample(void)
|
|
|
|
{
|
|
|
|
/* 设置空闲线程钩子 */
|
|
|
|
rt_thread_idle_sethook(idle_hook);
|
|
|
|
|
|
|
|
/* 创建线程 */
|
|
|
|
tid = rt_thread_create("thread1",
|
|
|
|
thread_entry, RT_NULL,
|
|
|
|
THREAD_STACK_SIZE,
|
|
|
|
THREAD_PRIORITY, THREAD_TIMESLICE);
|
|
|
|
if (tid != RT_NULL)
|
|
|
|
rt_thread_startup(tid);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 导出到 msh 命令列表中 */
|
|
|
|
MSH_CMD_EXPORT(idle_hook_sample, idle hook sample);
|
|
|