单片机c语言万年历程序LCD显示#defineuintunsignedint#defineucharunsignedcharsbitDS1302_CLK=P3^6;//实时时钟时钟线引脚sbitDS1302_IO=P3^7;//实时时钟数据线引脚sbitDS1302_RST=P1^4;//实时时钟复位线引脚