_LED时钟定时IIC实验代码 #include #define uchar unsigned char #define uint unsigned int #include sbit dula=P2^6; sbit wela=P2^7; sbit fm=P2^3; sbit rs=P3^5; sbit lcden=P3^4; sbit s1=P3^0; sbit s2=P3^1; sbit s3=P3^2; sbit wr=P3^6; sbit rd=P3^7; uchar count,nu