基于c51的交通信号灯程序
#include
#defineuintunsignedint
#defineucharunsignedchar
sbitmyellow=P1^2;
sbitsyellow=P1^6;
ucharcodetable[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,
0x80,0x90};
ucharcodewei[4]={0x01,0x02,0x04,0x08};
voidinitime();
voiddelay(uintz);
ucharmroad(intx0,uint
