SmartARM2200实验板上可用的自制时钟控件程序，能在屏幕上显示一个小时钟，非常漂亮。并且原配套书籍上的clock程序只能在threads模式下运行，该程序可在STR模式下运行。-SmartARM2200 made available experiments on-board clock control procedures can be displayed on the screen a little clock, very beautiful. And the original mat