Description:
实验板的AVR程序，矩阵4*4键盘键值显示，驱动蜂鸣器发出按键声。
接线定义：SW1～8打开，SW2-1,2,3,4,打开，SW2-6为LED的电源，SW3-8为系统复位脚。
PA2(SW5-7)为蜂鸣器输出端，PB(SW4-1～8)为键盘接入
记事：本程序旨在对矩阵键盘扫描的理解与演示，程序适合初学者使用。
使用器件：ATMEGA8535，可更换。 默认片内1MHz晶振
功能：初始LED显示 - ，按下那个按键显示按键的键值。使用的是4×4矩阵键盘。-AVR Experiment board procedures, the matrix 4* 4 keyboard keys show keys issued driver buzzer sound. Connection definition: SW1 ~ 8 open, SW2-1, 2,3,4, open, SW2-6 for the LED power, SW3-8 for the system reset pin. PA2 (SW5-7) for the buzzer output, PB (SW4-1 ~ 8) for keyboard access Notepad: The procedures are designed to scan the keyboard matrix understanding and demonstration of procedures suitable for beginners to use. The use of devices: ATMEGA8535, can be replaced. Default-chip crystal oscillator 1MHz function: the initial LED display- press the button that shows the key button. Using a 4 × 4 matrix keyboard. Platform: |
Size: 7168 |
Author:夜风 |
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Description: 矩阵键盘驱动程序， unsigned char key(void) 只要调用这个函数即可实现-Matrix keyboard driver, unsigned char key (void) to call this function as long as you realize Platform: |
Size: 1024 |
Author:lzshbobos |
Hits:
Description: 单片机键盘驱动资料，包括键盘接口技术介绍、扫描法矩阵键盘驱动程序、行列反转法矩阵键盘驱动程序、AT89S52单片机键盘接口原理图等。程序有详细的注释。资料基于AT89S52单片机系统，键盘为4×4矩阵键盘。-Singlechip keyboard-driven information, including the keyboard interface technology, the scanning matrix keyboard driver, the ranks of matrix inversion method keyboard driver, AT89S52 Singlechip schematics, such as the keyboard interface. Procedures detailed notes. AT89S52 Single-chip-based information system, the keyboard for 4 × 4 matrix keyboard. Platform: |
Size: 69632 |
Author:老树 |
Hits:
Description: 应该是最全面的基于C语言的4x4矩阵键盘的驱动。
内含三种扫描方式，适应两种不同接法的矩阵键盘，可选的软件消抖处理，还包含一个基于淘宝上最常见的4x4薄膜键盘的驱动型号为HC-543。
共5个驱动程序。
开发环境：Keil-Should be the most comprehensive C-based 4x4 matrix keyboard driver.
Contains three scan mode, to adapt to two different connection matrix keyboard, optional software debounce handling, also includes Taobao based on most common 4x4 film keyboard driver model: HC-543.
A total of five drivers.
Development Environment: Keil Platform: |
Size: 4096 |
Author: |
Hits:
Search - matrix Keyboard driver