单片机蜂鸣器唱歌

蜂鸣器唱歌#include #define uchar unsigned charbit flag; /标志音乐输出脚电平的高低 sbit spk=P01;uchar ptr = 0x00; /取音符uchar high; /计数器高位uchar low; /计数器低位/ 本曲谱为 新年好,前两个十六进制表示发声频率,后一个表示发声时间,0xFF,0xFF 表示休止符/ 0x00 表示结束/*uchar code music=0xfe,0x2a,0x7f,0xfe,0x2a,0x7f,0xfe,0x2a,0xff,0xfd,0x81,0xff,/新年好0xfe,0x84,0x7f,0xfe,0x84,0x7f,0xfe,0x84,0xff,0xfe,0x2a,0xff,0xfe,0x2a,0x7f,0xfe,0x84,0x7f,0xfe,0xc0,0xff,0xfe,0xc0,0xff,0xfe,0x99,0x7f,0xfe,0x84,0x7f,0xfe,0x55,0xff,0xff,0xff,0xff,0xfe,0x55,0x7f,0xfe,0x84,0x7f,0xfe,0x99,0xff,0xfe,0x99,0xff,0xfe,0x84,0x7f,0xfe,0x55,0x7f,0xfe,0x84,0xff,0xfe,0x2a,0xff,0xfe,0x84,0x7f,0xfe,0x84,0x7f,0xfe,0x55,0xff,0xfd,0x81,0xff,0xfe,0x05,0x7f,0xfe,0x55,0x7f,0xfe,0x2a,0xff,0xff,0xff,0xff,0x00;*/uchar code music=0xf8,0x8b,0x7f,0xfd,0x08,0x7f,0xfd,0x08,0x7f,0xfd,0x08,0x7f,/兰花草0xfd,0x08,0xff,0xfc,0xab,0xff,0xfc,0x4a,0x7f,0xfc,0xab,0x7f,0xfc,0x4a,0x7f,0xfc,0x0b,0x7f,0xfb,0x8f,0xff,0xff,0xff,0xff,0xfd,0xc7,0x7f,0xfd,0xc7,0x7f,0xfd,0xc7,0x7f,0xfd,0xc7,0x7f,0xfd,0xc7,0xff,0xfd,0x81,0xff,0xfd,0x08,0x7f,0xfd,0x81,0x7f,0xfd,0x81,0x7f,0xfd,0x33,0x7f,0xfd,0x08,0xff,0xff,0xff,0xff,0xfd,0x08,0x7f,0xfd,0xc7,0x7f,0xfd,0xc7,0x7f,0xfd,0x81,0x7f,0xfd,0x08,0xff,0xfc,0xab,0xff,0xfc,0x4a,0x7f,0xfc,0xab,0x7f,0xfc,0x4a,0x7f,0xfc,0x0b,0x7f,0xfb,0x8f,0xff,0xfa,0x14,0xff,0xfa,0x14,0x7f,0xfc,0x4a,0x7f,0xfc,0x4a,0x7f,0xfc,0x0b,0x7f,0xfb,0x8f,0xff,0xfd,0x08,0xff,0xfc,0xab,0x7f,0xfc,0x4a,0x7f,0xfc,0x0b,0x7f,0xfb,0x03,0x7f,0xfb,0x8f,0xff,0xff,0xff,0xff,0x00;/*生日歌uchar code music=0xfd,0x81,0x7f,0xfd,0x81,0x7f,0xfe,0xc0,0xff,0xfe,0x84,0xff,0xfe,0x84,0xff,0xfe,0x05,0xff,/a0xfd,0xc7,0xff,0xff,0xff,0xff,0xfe,0x99,0x7f,0xfe,0x99,0x7f,0xfe,0x84,0xff,/40xfe,0x2a,0xff,0xfe,0x55,0xff,0xfe,0x2a,0xff,0xff,0xff,0xff,0xfd,0x81,0x7f,0xfd,0x81,0x7f,/b0xfd,0xc7,0xff,0xfd,0x81,0xff,0xfe,0x2a,0xff,0xfe,0x05,0xff,0xff,0xff,0xff,0xfd,0x81,0x7f,0xfd,0x81,0x7f,/20xfd,0xc7,0xff,0xfd,0x81,0xff,0xfe,0x55,0xff,0xfe,0x2a,0xff,0xff,0xff,0xff,0xfd,0x81,0x7f,0xfd,0x81,0x7f,/30xfe,0xc0,0xff,0xfe,0x84,0xff,0xfe,0x84,0xff,0xfe,0x05,0xff,0xfd,0xc7,0xff,0xff,0xff,0xff,0xfe,0x99,0x7f,0xfe,0x99,0x7f,0xfe,0x84,0xff,/40xfe,0x2a,0xff,0xfe,0x55,0xff,0xfe,0x2a,0xff,0xff,0xff,0xff,0xfd,0x81,0x7f,0xfd,0x81,0x7f,/b0xfe,0x2a,0xff,0xff,0xff,0xff,0xfd,0x81,0x7f,0xfd,0x81,0x7f,/30xfe,0xc0,0xff,0xfe,0x84,0xff,0xfe,0x84,0xff,0xfe,0x05,0xff,0xfd,0xc7,0xff,0xff,0xff,0xff,0xfe,0x99,0x7f,0xfe,0x99,0x7f,0xfe,0x84,0xff,/40xfe,0x2a,0xff,0xfe,0x55,0xff,0xfe,0x2a,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00;*/void Init(void); /初始化函数void DelayMs(unsigned int time); /毫秒级延时函数void main()uchar time;Init();TH0 = high;TL0 = low;while (1)if (musicptr != 0xFF & musicptr != 0x00)/判断是否是正常音符TR0 = 0;spk = 1;DelayMs(10); /间歇TR0 = 1;high = musicptr; /取设置频率数值的高8 位low = musicptr + 1; /取设置频率数值的低8 位time = musicptr + 2; /取发声时间DelayMs(time);ptr += 3;else if (musicptr = 0xFF) /判断是否是休止符time = musicptr + 2;DelayMs(time);ptr += 3;else /结束符,停止2 秒后继续TR0 = 0;spk= 1;DelayMs(2000);ptr = 0;/* 名称：Count1(void) interrupt 1* 功能：设置计时器0 溢出中断,每中断一次改变P2_3 引脚电平*/void Count1(void) interrupt 1TH0 = high;TL0 = low;if (flag = 0) /改变P2_3 引脚电平spk= 0;flag = 1;elsespk= 1;flag = 0;/* 名称：Init()* 功能：设置计数器0 工作方式,16 位计数,溢出中断方式*/void Init()TMOD = 0x01; /定时器0 处于计时方式,16 位EA = 1;ET0 = 1; /定时器0 溢出中断/*