实验目的 目的：掌握定时器T0、T1的方式选择和编程方法，了解中断服务程序的设计方法，学会实时程序的调试技巧。 -Aim Objective: To master the timer T0, T1 of the mode selection and programming methods, to understand the design method of the interrupt service routine, and learn skills in real-time debu