功能很简单，就是控制扬声器响的时间从而产生不同 的音节。   #include <reg51.h>#define uint unsigned int#define uchar unsigned charsbit voice=P1^6;uchar code sound[]={//0xff,0x40,0x10,0x40,0x10,0x39,0x10,0x40,0x10,0x60,0x1