1、该段程序是4*4键盘扫描程序,功能比较全,根据实际情况可在次基础上进行修改； 2、已调试通过，实现了组合按键功能 连发功能-1, this section of the program is 4* 4 keyboard scanning procedures, full-feature comparison, can modify the times on the basis of the actual situation 2, has been debugging through

一种基于STM32F030的12232LED点阵屏幕显示程序，多个按键扫描控制，按键采用查询方式，支持按键连按，组合按键，使用485与其他主机通讯-Based on STM32F030 12232 led lattice screen display program, scanning control multiple buttons, button adopts query method, support the button press, combination keys, using th