- From-XML-to-generate-Excel-file 由XML生成Excel文件 提供XML语言的简单编写方法
- colordrawout 用matlab编程实现彩色图像的局部分割
- 5ivb_打印16位图形的演示 可以打印16位图形的演示
- finite_element_toolbox_v2.01 matlab工具箱
- 8254-Timer The Intel 8254 is a counter/timer device designed to solve the common timing control problems in microcomputer system design. It provides three independent 16
- storageManage 操作系统进程调度算法和内存管理的实现
文件名称:66KeyLock
-
所属分类：
- 标签属性：
- 上传时间：2012-11-16
-
文件大小：54.14kb
-
已下载：0次
-
提 供 者：
-
相关连接：无下载说明：别用迅雷下载，失败请重下，重下不扣分！
介绍说明－－下载内容来自于网络，使用问题请自行百度
此题目是通过键盘来实现密码输入是否正确，正确的时候数码管亮，否则发出报警声。
判断是按键还是干扰是非常有用的，它体现了一个系统的抗干扰能力。高低电平在瞬间的变换是很正常的，如果没有这条语句，系统很容易出错。
其中2秒是由定时器0来完成的。
在程序的定时器中断中，用switch代替了if else结构，使得程序的可读性大大增强。
TH0 = (65536-50000) / 256
TL0 = (65536-50000) 256 使得TH0 = 3CH, TL0 = B0H,由于该单片机的晶振为12MHz 因此定时时间就为0.05ms.在定时器中断服务程序中用FLASH计数，当计数达到40时正好是2秒。-This topic is through the keyboard to realize the correct password is correct, when GuanLiang digital alarm sound, otherwise.
Judgment is a key or interference is very useful, it reflects the anti-interference ability of a system. High level in the instant transformation is very normal, if not this statement, the system is very easy to make a mistake.
2 seconds is accomplished by the timer 0.
In the process of the timer interrupt, switch with replaced if else structure, make the readability of the procedures enhanced greatly.
TH0 = (65536-50000)/256,
TL0 = (65536-50000) 256, Make TH0 3CH, TL0 = = B0H, because the MCU crystals for 12MHz, So regularly time is 0.05 ms in timer interrupt service routines, when using FLASH counting 40 count when exactly 2 seconds.
判断是按键还是干扰是非常有用的，它体现了一个系统的抗干扰能力。高低电平在瞬间的变换是很正常的，如果没有这条语句，系统很容易出错。
其中2秒是由定时器0来完成的。
在程序的定时器中断中，用switch代替了if else结构，使得程序的可读性大大增强。
TH0 = (65536-50000) / 256
TL0 = (65536-50000) 256 使得TH0 = 3CH, TL0 = B0H,由于该单片机的晶振为12MHz 因此定时时间就为0.05ms.在定时器中断服务程序中用FLASH计数，当计数达到40时正好是2秒。-This topic is through the keyboard to realize the correct password is correct, when GuanLiang digital alarm sound, otherwise.
Judgment is a key or interference is very useful, it reflects the anti-interference ability of a system. High level in the instant transformation is very normal, if not this statement, the system is very easy to make a mistake.
2 seconds is accomplished by the timer 0.
In the process of the timer interrupt, switch with replaced if else structure, make the readability of the procedures enhanced greatly.
TH0 = (65536-50000)/256,
TL0 = (65536-50000) 256, Make TH0 3CH, TL0 = = B0H, because the MCU crystals for 12MHz, So regularly time is 0.05 ms in timer interrupt service routines, when using FLASH counting 40 count when exactly 2 seconds.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
66 Key Lock/Key Lock (2)
66 Key Lock/Key Lock (2).asm
66 Key Lock/Key Lock (2).DSN
66 Key Lock/Key Lock (2).hex
66 Key Lock/Key Lock (2).lnp
66 Key Lock/Key Lock (2).LST
66 Key Lock/Key Lock (2).M51
66 Key Lock/Key Lock (2).OBJ
66 Key Lock/Key Lock (2).Opt
66 Key Lock/Key Lock (2).plg
66 Key Lock/Key Lock (2).PWI
66 Key Lock/Key Lock (2).Uv2
66 Key Lock/Key Lock (2)_Opt.Bak
66 Key Lock/Key Lock (2)_Uv2.Bak
66 Key Lock/Last Loaded Key Lock (2).DBK
66 Key Lock/new66.c
66 Key Lock/new66.LST
66 Key Lock/new66.OBJ
66 Key Lock
66 Key Lock/Key Lock (2).asm
66 Key Lock/Key Lock (2).DSN
66 Key Lock/Key Lock (2).hex
66 Key Lock/Key Lock (2).lnp
66 Key Lock/Key Lock (2).LST
66 Key Lock/Key Lock (2).M51
66 Key Lock/Key Lock (2).OBJ
66 Key Lock/Key Lock (2).Opt
66 Key Lock/Key Lock (2).plg
66 Key Lock/Key Lock (2).PWI
66 Key Lock/Key Lock (2).Uv2
66 Key Lock/Key Lock (2)_Opt.Bak
66 Key Lock/Key Lock (2)_Uv2.Bak
66 Key Lock/Last Loaded Key Lock (2).DBK
66 Key Lock/new66.c
66 Key Lock/new66.LST
66 Key Lock/new66.OBJ
66 Key Lock
本网站为编程资源及源代码搜集、介绍的搜索网站，版权归原作者所有！ 粤ICP备11031372号
1999-2046 搜珍网 All Rights Reserved.