介绍LM3S8962的通用定时器，以及常用的库函数，并附有实例。（本人为一初学者仅共大家互相学习，请多指教！！！）-LM3S8962 introduced general-purpose timers, and common library functions, together with examples. (I for a total beginner just learning about each other, like him advice!!!)