WebbIn this tutorial, I’ll show you a couple of methods to implement STM32 delay functions both in microseconds and milliseconds. We’ve seen the HAL_Delay () utility in the built-in HAL libraries by STMicroelectronics. But it can only give you milliseconds delay, and that’s the goal for this tutorial. We’ll be using the DWT and STM32 ... Webb23 mars 2024 · INIT_DELAYED_WORK()是一个宏,我们给它传递了两个参数.&hub->leds和led_work.对设备驱动熟悉的人不会觉得INIT_DELAYED_WORK()很陌生,其实鸦片战争 …
7.6. Workqueues - Make Linux
Webb23 juni 2015 · kernel: delay_work_init:ret=1,i=1 kernel: delay_work_init:ret=1,i=2 kernel: second ret=0! kernel: Exit! ret=1 . 從例子可以看出當工作隊列還在執行該任務,調用 … Webb2 mars 2024 · Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, C ... ciara renee broadway
Driver porting: the workqueue interface. [LWN.net]
Webbint cancel_delayed_work (struct work_struct *work); The return value is nonzero if the entry was canceled before it began execution. The kernel guarantees that execution of the given entry will not be initiated after a call to cancel_delayed_work. Webb带你入门: 1.INIT_WORK (struct work_struct *work, void (*function) (void *), void *data) 上面一句只是定义了work和work对应的操作。 要是在实际使用的时候还是需要你去在适当的条件下激活这个work。 只有激活了这个work, 这个work才有运行的机会。 这个激活操作接口是shudule_work或是queue_work。 这两个接口之后只是说这个work有了运行 … WebbINIT_DELAYED_WORK 初始化延迟的工作 work_struct,指定工作函数 queue_delayed_work 将初始化后的延迟的工作 加入到工作队列中,在第三个参数指定的时间周期后去执行 如果不使用延时 则是分别替换掉三个函数 // INIT_DELAYED_WORK, queue_delayed_work, cancel_delayed_work INIT_WORK(&mdwq.work, … ciara russell wilson