c51单片机交通灯程序

#includereg51.hvoiddelay(intm)//{unsignedchars;for(;m0;m--)for(s=124;s0;s--);}voidmain(){unsignedcharcodetable[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//共阳unsignedinti;while(1){P1=0xf3;//绿5for(i=5;i0;i--){P0=table[i];P2=table[i+3];delay(6000);}for(i=3;i0;i--)//黄3{P1=0xf5;//11110101;P0=table[i];P2=table[i];delay(500);P1=0xf7;//11110111;P0=table[i];P2=table[i];delay(500);}P1=0xde;//红9for(i=6;i0;i--){P0=table[i+3];P2=table[i];delay(6000);}for(i=3;i0;i--){P1=0xee;//11101110;P0=table[i];P2=table[i];delay(500);P1=0xfe;//11111110;P0=table[i];P2=table[i];delay(500);}}}