按键消抖程序，用Verilog硬件描述语言编写，实现了按键消抖动作-Buffeting eliminate key procedures, using Verilog hardware descr iption language, the realization of the keys for jitter elimination

实现按键输入十进制，具有按键消抖功能，时钟分频及复位功能-Key input decimal

这是一个4*4矩阵键盘扫描函数,用状态机实现,不用延时以消抖,只需在一个定时10~12ms左右的中断函数里调用,从而节省了单片机时间-This is a 4* 4 matrix keyboard scan function, using the state machine implemented without delay in order to eliminate shaking, just a timer interrupt function calls in about 10 ~ 12m

实现简单的滤波，一般用于按键的消抖，简单实用，直接调用就可以实现轻松地滤波。-Simple filtering, generally used debounced keys, simple and practical, direct calls can be achieved easily filtered.