学51的朋友们可以参考一下 #include typedef unsigned char uint8; typedef unsigned int uint16; typedef unsigned long uint32;//宏定义 sbit ENLED = P1^4; sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3;//声明38译码器PO口

通过代码的编写，使得在单片机上的蜂鸣器演奏出怒放的心的音乐