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