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c经典源程900.rar
- 包含按键扫描,字符处理到数学运算、功能函数等从初级到深入的各类源程序。
矩阵键盘键值lcd显示演示程序
- 此程序为单片机开发过程中的按键扫描程序。采用汇编 语言编写,经调试通过。-procedure for microcontroller development process button scanning procedures. Using language compilation, debugging through.
dsfs
- 扫描信号从C3 ~C0送入,信号依序为1000 ->0100 ->0010 -> 0001->1000 循环,当扫描信号为1000时,则扫描第0行中的四个按键. 扫描信号为0100时,则扫描第1行中的四个按键, 以此类推.如果有按键被按下,则R3~R0的输出信号中会有一个为1,但我们还是是无法确定哪一个键被按下,必須要从R3 ~R0 的输出信号与C3~C0的-scan signal from C0 to C3 into the signal in order of 100
4X4键盘程序实现多个按键程序
- 4X4键盘程序实现多个按键程序 键盘扫描-4x4 keyboard procedures to implement multiple keys keyboard scan procedure
TI8050I KeilC(20051130)
- 8051单片机的LCDTV用户界面程序,包括IR解码,按键扫描,ISP,IAP,PWM,IIC等程序-8051 the LCD user interface procedures, including IR decoding, button scanning, ISP, IAP, PWM, IIC procedures
C51soft
- 使用C语言实现的用串行方式驱动led显示、EEPROM存贮器操作、按键扫描、红外接收等-use of the C language Serial Port Driver led, EEPROM memory operation, scan buttons, infrared receiver, etc.
20063161712468
- 序(约延时8ms)后再回到按键查询状态,不断循环;有按键时,LED动态显示子程序作为按键防抖延时被连续调用二次(约延时16ms),待按键处理程序执行完后,再回到按键查询状态,同时兼顾了按键扫描取值的准确性和LED动态显示的稳定性。秒定时采用定时器T0中断方式进行,60秒计数由定时-sequence (about 8ms delay) to come back button inquiries and continuously cycle; When a button, LED dynamic d
acmftsj_n
- 一个完整且典型的遥控器程序,包括了按键扫描,液晶驱动,红外发射,内有比较完整的备注,到目前为止市面上的同类产品均是采用此架构,采用了NEC3106芯片和编译器,可以从NEC官方网站或跟NEC联系免费索要开发工具,或电邮我也可以提供-complete a typical remote control procedures, including a button scanning, LCD driver, the infrared emission, which have a relatively
zlg7289_control
- zlg7289芯片控制程序,ZLG7289芯片应用于键盘接口,自动按键扫描,LED输出等功能,包含源程序和头文件-zlg7289 chip control procedures, ZLG7289 chips used in the keyboard interface, automatic Scan button, LED output functions, including source and header files
liangtao
- 红外遥控协议的发送程序,带按键扫描,51的,可用KEIL编译-infrared remote control agreement this procedure, with button scanning, 51, available KEIL compiler
keyScan00
- 收集了一些按键扫描程序,希望对大家在按键学习上有所帮助-collected some buttons scanning procedures in the hope that the keys to all learning help
key011
- 按键扫描驱动程序 写的还不错,希望大家看看阿!第一次上这个网,才知道这个网好好啊!-button scanning driver wrote was pretty good, we hope to see A! First on the net, before we know the net good ah!
keyscan_new
- 按键扫描的程序,优化还需要加双重防抖,解释按键的值或者名称-button scanning procedures, optimizing also required to double Fangdou explain the value of the keys or name
up51s005
- 按键扫描程序-Press Scan ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stc89c52_12key_ok
- 利用C语言编写一个很好的矩阵式按键扫描程序.-C language a good matrix keypad scanning procedures.
62-矩阵键盘行列扫描
- 4X4的矩阵,行扫描矩阵,并使数码管随着产生数字,第几个按键按下数码管显示几(roe scannning the matrix, nixie light show the matrix'value.)
KeyScan
- 只需一条线,理论上可接16个按键,但实际不行,按键上要加一个104的电容,保证稳定。参考电压和案件判断参考值在中断中修改,若觉得麻烦,可以通过宏定义实现。有些函数没作用可以注释掉。(Only one line, in theory can be connected with 16 keys, but not in practice, the key to add a 104 capacitance, to ensure stability. The reference voltage and t
3、矩阵按键
- 矩阵键盘的扫描,通过矩阵按键让不同数码管显示不同数值,按键采集一整数数据(Matrix keyboard scanning, through matrix buttons, let different digital tube display different values, and button to collect an integer data.)
按键处理办法
- 新型的按键扫描程序,这种按键处理办法的便捷和高效,你可以移植到任何一种嵌入式处理器上面,因为C语言强大的可移植性,你可以在MCS-51,AVR,PIC,甚至是ARM平台上面测试这个程序性能。(The new button scanning program, which is convenient and efficient, can be ported to any of the embedded processors. Because of the portability of the C l
4乘4键盘扫描控制器
- 1. 键值采用16进制编码,即16个按键分别对应显示16进制数 0~F,按键对应关系如下:最上面一行从左至右依次为0~3, 第二行从左至右依次为4~7,第三行从左至右依次为8~B,最 下面一行从左至右依次为C~F,其中b、d显示为小写,其他字 母大写; 2. 按键按下时显示当前键值并保持,直到下一按键被按下时更新 显示; 3. 只有按键被按下时蜂鸣器发出按键音,放开后蜂鸣器不发声。 4. 每个按键对应不同的按键音。(1. The key value is encoded in hexadecim