delay time method

  The delay program is widely used in SCM programming, but some readers do not know how to program the time delay programs in the study, and do not know the machine The difference between the period and the instruction period, do not know the

Transferred from: http://blog.sina.com.cn/s/blog_980e19e00101b5dh.htmlSometimes precise delay is required, such as the 18B20 temperature sensor is very strict in timing requirements and must be accurate to the microsecond levelFirst, with the NOP

1 Introduction Nowadays, delay lines have been widely used in signal processing, radar, electronic countermeasure, and other fields. For example, the Unit delay device required for signal processing is a kind of memory, and the dynamic target

One, what is deferred environment variable extension? Delay variable Full name "Delay environment variable extension", to understand this thing, we have to understand what is called variable expansion!When we explain our command, CMD will first

When writing application-level programs, sometimes you need to delay, what should I do?In the kernel code, we often see such a header file using # include , and thought of calling this directly is OK! But at the time of compiling, we found thatThe

$.when's description　　Description: Provides a way to execute a callback function for one or more objects that returns a delay (Deferred) object for those objects.Description (combined with examples and source code):If you do not pass any arguments ,

Experts believe that delay is not because of laziness, but because of anxiety, fear of difficulties, or too much pursuit of perfection. 　　 "I know that there are so many things in front of me: open files, messy wardrobes, just a phone call, an

There are no empty statements in the standard C language. But in the MCU programming of C language, it is often necessary to use a few empty instructions to produce short delay effect. This is easy to achieve in assembly language, write a few nop on

First, we'll introduce the jquery data () function The data () function in jquery is used to append data to a selected element, or to obtain data from a selected element. Data that is accessed through the data () function is temporary, and once the

Delaytime:The duration of the response is milliseconds (milli-second, 1‰ seconds. Feedback:It is just a few voices (for example, more and more voices), and the larger the set, the more sounds. Effectlevel:When the original sound pops up, the greater