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基于TTL对单片机矩阵键盘算法的改进
资料介绍
文章针对目前单片机矩阵键盘模块的低实时性问题,设计了一种基于TTL去抖算法的单片机矩阵键盘算法。利用TTL去抖算法的间隔时间采样机制以及双循环扫描法的逐行逐列扫描机制,保证矩阵键盘模块响应按键的实时性以及识别按键的准确性。实验结果表明,该矩阵键盘算法识别按键准,响应时间低,能够识别组合键,通用性强。
Aiming at the low real time problem of MCU matrix keyboard module, a MCU matrix keyboard algorithm based on TTL filtering algorithm is designed. The interval sampling mechanism of TTL filtering algorithm and the row-and-column scanning mechanism of double-loop scanning method are used to ensure the real time response of the matrix keyboard module and the accuracy of the keystroke identification. The experiment shows that the matrix keyboard algorithm can recognize keys accurately with low response time. The algorithm can also recognize combination keys and has strong versatility.
部分文件列表
| 文件名 | 大小 |
| 基于TTL对单片机矩阵键盘算法的改进.pdf | 2M |
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