串口作的显示 4*4键盘扫描 四个数码显示管 经过测试成功程序

一些扫描仪控件……,有助于做扫描仪采集图像的方便-Some scanner control ... ... to help make a convenient image scanner,

纯c实现键盘码扫描 纯c实现键盘码扫描-Net c realization of pure c keyboard scan code to achieve the keyboard scan code

键盘扫描的方法 扫描法 和 线反法 汇编实现-Keypad scanning method and the line scanning method to achieve anti-French compilation

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