LabWindows/CVI提供了两种在次线程中运行代码的高级机制,分别是线程池(thread pool)和异步定时器(asynchronous timer),线程池适用于需要不连续地执行或在循环中执行的任务,而异步定时器适用于在固定时间间隔内执行的任务。
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Asynchronous Timer Division 异步时分方式
In Power-save mode, the asynchronous timer continues to run, allowing the user to maintain a timer base while the rest of the device is sleeping.
在省 电模式下,异步定时器继续运行,允许用户保持一个时间基准,而其余功能模块处于休眠 状态;
More precisely, the redisplay occurs after some kind of asynchronous event related to the view, such as a keystroke, a timer completion, or a response to an HTTP request.
严格来说,“重新显示”是在某些与视图有关的异步事件之后发生的,例如,按键、定时器完成或对HTTP 请求的响应。
Based on the principle of UART, a software method has been presented for asynchronous communication by using interrupt program of timer, and has been implemented in an application project.
本文通过分析通用异步通信器件的工作原理,给出了一种利用单片机的定时器中断程序实现异步通信的方法,并在实际工程项目中得到了应用。
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