单片机闪烁灯实验源程序，在P1.0端口上接一个发光二极管L1，使L1在不停地一亮一灭，一亮一灭的时间间隔为0.2秒。-Experimental source Singlechip flashing lights, in the P1.0 port after another light-emitting diodes L1, so that L1 in a Ryoichi kept out a Ryoichi eliminate the time interval for 0.2 seconds