说明：  此程序应用在德州仪器生产的msp430单片机中的，其作用是一个流水灯实验，教你怎么用其中的定时器产生中断，控制流水灯！
(Application of this procedure in the Texas Instruments MSP430 MCU production, and its role is a light water experiments, which teach you how to use the timer generate an interrupt, control water lights!)