GPIO口实现跑马灯，运用在飞思卡尔DSP8356上。可以帮助学习通用输入输出口的功能。-GPIO I realize Marquee, used in the Freescale DSP8356. Can help with learning function Universal input and output ports.

运用在飞思卡尔DSP8356上的程序，利用定时器和GPIO口工作，来点亮小灯。-Freescale DSP8356 used in the program, using the timer and GPIO port work, to light a small lamp.