初学5*5键矩阵一法,虽然麻烦也可行得通，作理解矩阵学习参考。汇编-Beginner 5* 5 key matrix of a law, although the trouble may also be feasible, for understanding the matrix study reference. Compilation

这是矩阵键盘的代码，实现对单片机的控制，用的是c语言，不是汇编-This is the keyboard matrix code, to achieve control of the microcontroller, using the c language, not the assembly