代码收藏家 基于51单片机的音乐盒设计——Proteus仿真原理图与PCB制作指南
功能：
0.本系统采用单片机STC89C52作为系统的主控芯片
1.采用LCD1602液晶显示当前时间/播放曲目信息
2.按键设置时间，切换/暂停曲目
3.内置8首歌曲，本设计采用了优质的外放喇叭，声音清晰、洪亮
4.采用DC002作为电源接口可直接输入5V给整个系统供电
原理图：
PCB ：
主程序：
//
//51单片机音乐播放器程序
//STC89C52+11.0592MHz+无源蜂鸣器
//共三个按键:上一曲、一下曲、播放\暂停
//注意：按键必须按下约1S才有相应动作,播放完一首歌曲无按键按下时顺序播放
//
#include <REG52.H>
#include <stdio.h>
#include "delay.h"
#include "lcd1602.h"
#include "ds1302.h"
#define MUSIC_AMOUNT 8 //歌曲的数量
sbit SPEAKER = P3^2; //无源蜂鸣器
sbit KEY_PAUSE = P3^5;
sbit KEY_SELECT = P3^3;
sbit KEY_PREVIOUS = P3^4;
sbit KEY_NEXT = P3^6;
//
unsigned char g_beatTime = 0; //T0RH,T0RL为定时器T0的高低位初值,g_beatTime为对应的节拍时间
unsigned char g_musicNum = 1; //g_musicNum为歌曲编号,g_noteCnt是查找歌曲数据表的地址
unsigned int g_noteCnt;
signed int g_fre; //对应频率数据表的地址
bit g_playEn = 1; //歌曲播放的使能标志位,用于播放\暂停
unsigned char g_keyValue;
unsigned char dispRow0[] = " / / ";
unsigned char dispRow1[] = " : ";
bit g_switchSong = 1;
bit g_refreshTime = 1;
bit g_setTime = 0;
bit g_playFlag = 0;
unsigned char g_setLocation = 0;
void SetTime();
void DispTime();
void KeyScan(); //按键处理
void DelayOfBeat(unsigned char t); //延时子函数,控制发音的时间长度
void PlayOneNote(void); //演奏一个音符
void PlayMusic(void); //播放歌曲
void DispMusic(void);
void Timer0_Init();
void Timer1_Init();
//
//每三个数字,代表一个音符
//第一个数字是音符的数值1234567之一(第几个音),代表哆来咪发...
//第二个数字是0123之一,代表低音\中音\高音\超高音(第几个八度)
//第三个数字是时间长度,以半拍为单位,乐曲数据表的结尾是三个0
//
//《烟花易冷》
unsigned char code song1[]={
5,2,1, 3,2,1, 2,2,2, 2,2,4, 3,2,1, 1,2,1, 2,2,1, 3,2,4,
5,2,1, 3,2,1, 2,2,2, 2,2,2, 5,1,1, 3,2,1, 4,2,1, 3,2,4,
3,2,1, 3,2,1, 7,2,1, 3,2,1, 2,2,2, 1,2,1, 7,1,1, 1,2,1,
2,2,1, 3,2,1, 6,2,3, 6,1,1, 1,2,1, 3,2,1, 2,2,1, 6,1,1,
1,2,1, 7,1,1, 5,1,1, 6,1,6, 5,2,1, 3,2,1, 2,2,2, 2,2,1,
2,2,1, 3,2,1, 1,2,1, 2,2,1, 3,2,4, 5,2,1, 3,2,1, 2,2,2,
2,2,1, 2,2,1, 5,1,1, 3,2,1, 4,2,1, 3,2,4, 3,2,1, 3,2,1,
7,2,3, 3,2,1, 2,2,2, 1,2,1, 7,1,1, 1,2,1, 2,2,1, 3,2,1,
6,2,3, 6,1,1, 1,2,1, 3,2,1, 2,2,1, 6,1,1, 1,2,1, 7,1,2,
5,1,2, 6,1,6, 0,0,0 };
//《发如雪》
unsigned char code song2[]={
5,1,1, 2,2,1, 3,2,2, 2,2,1, 3,2,1, 5,2,1, 6,2,1, 5,2,3, 1,2,1, 2,2,1,
3,2,1, 6,2,1, 5,2,1, 3,2,1, 5,2,3, 5,2,1, 6,2,1, 1,3,2, 6,2,1, 5,2,1,
3,2,1, 5,2,1, 3,2,2, 1,2,1, 2,2,1, 3,2,1, 1,2,1, 6,1,1, 3,2,1, 2,2,1,
5,1,1, 2,2,1, 3,2,2, 2,2,1, 3,2,1, 5,2,1, 6,2,1, 5,2,3, 1,2,1, 2,2,1,
3,2,1, 6,2,1, 5,2,3, 5,2,1, 6,2,1, 1,3,2, 6,2,1,
5,2,1, 3,2,1, 5,2,1, 3,2,2, 1,2,1, 6,1,1, 3,2,1, 2,2,1, 1,2,1, 6,1,1,
1,2,1, 2,2,1, 2,2,1, 1,2,4, 0,0,0 };
//《简单爱》
unsigned char code song3[]={
5,1,1, 1,2,1, 2,2,1, 3,2,1, 2,2,1, 3,2,1, 4,2,1, 5,2,1, 5,2,1, 5,2,1,
4,2,1, 3,2,1, 2,2,3, 5,1,1, 1,2,1, 2,2,1, 3,2,1, 4,2,1, 5,2,1, 5,2,1,
5,2,1, 6,2,1, 5,2,2, 2,2,1, 3,2,1, 1,2,2, 1,2,1, 6,1,1, 2,2,1, 2,2,1,
3,2,1, 3,2,1, 1,2,1, 5,2,1, 1,2,1, 5,2,1, 1,2,1, 7,1,1, 1,2,1, 1,2,1, 6,1,1,
2,2,1, 2,2,1, 3,2,1, 3,2,1, 5,2,1, 5,2,1,
5,2,1, 6,2,1, 5,2,2, 2,2,1, 3,2,1, 1,2,2,
5,1,1, 1,2,1, 2,1,2, 3,2,1, 2,2,1, 3,2,1, 4,2,1, 5,2,1, 5,2,1, 5,2,1,
4,2,1, 3,2,1, 2,2,3, 5,1,1, 1,2,1, 2,2,1, 3,2,1, 2,2,1, 3,2,1, 4,2,1,
5,2,1, 5,2,1, 5,2,2, 2,2,1, 3,2,1, 1,2,2, 1,2,1, 6,1,1, 2,2,1, 2,2,1,
3,2,1, 3,2,1, 1,2,2, 5,2,1, 1,2,1, 5,2,1, 5,2,1, 7,1,1, 1,2,1, 0,0,0 };
//《世上只有妈妈好》
unsigned char code song4[]={
6,2,3, 5,2,1, 3,2,2, 5,2,2, 1,3,2, 6,2,1,
//6,2,3代表6,中音,3个半拍;
//5,2,1代表5,中音,1个半拍;
//3,2,2代表3,中音,2个半拍;
//5,2,2代表5,中音,2个半拍;
//1,3,2代表1,高音,2个半拍;
//...
5,2,1,6,2,4, 3,2,2, 5,2,1, 6,2,1, 5,2,2, 3,2,2, 1,2,1,6,1,1, 5,2,1,
3,2,1, 2,2,4, 2,2,3, 3,2,1, 5,2,2, 5,2,1, 6,2,1, 3,2,2, 2,2,2,
1,2,4, 5,2,3, 3,2,1,2,2,1, 1,2,1, 6,1,1, 1,2,1, 5,1,6, 0,0,0};
//《当你孤单你会想起谁》
unsigned char code song5[]={
3,2,2, 3,2,1, 4,2,1, 3,2,2, 2,2,1, 1,2,1, 2,2,2, 5,2,2, 2,2,2, 2,2,3,
1,2,2, 1,2,1, 2,2,1, 1,2,2, 7,1,1, 6,1,1, 7,1,2, 3,2,2, 7,1,2, 7,1,3,
6,1,2, 2,2,1, 3,2,1, 2,2,1, 1,2,1, 6,1,2, 5,1,2, 2,2,1, 3,2,1, 2,2,1,
1,2,1, 6,1,2, 6,1,2, 2,2,1, 3,2,1, 2,2,1, 1,2,1, 6,1,1, 7,1,1, 1,2,6, 0,0,0 };
//《乡间小路》
unsigned char code song6[]={
3,1,2, 3,1,1, 3,1,1, 6,0,1, 6,0,1, 1,1,2,
6,0,1, 5,0,1, 6,0,4, 6,0,2, 6,0,1 ,6,0,1, 6,0,2, 6,0,1, 1,1,1,
2,1,2, 2,1,1, 3,1,1, 2,1,4, 3,1,1, 3,1,1, 3,1,1, 2,1,1, 4,1,2,
4,1,2, 3,1,2, 2,1,1, 1,1,1, 2,1,4, 7,0,1, 7,0,1, 7,0,1, 6,0,1,
5,0,1, 5,0,1, 6,0,1, 7,0,1, 7,0,1, 6,0,1, 5,0,1, 6,0,4, 6,1,2,
3,1,1, 6,1,1, 7,1,1, 6,1,1, 5,1,1, 5,1,2, 5,1,1, 2,1,1, 5,1,1,
6,1,1, 5,1,1, 4,1,1, 4,1,2, 4,1,1, 3,1,1, 2,1,2, 1,1,1, 2,1,1,
3,1,1, 2,1,1, 1,1,1, 2,1,1, 3,1,4, 6,1,2, 3,1,1, 6,1,1, 7,1,1,
6,1,1, 5,1,1, 5,1,2, 2,1,1, 5,1,1, 6,1,1, 5,1,1, 4,1,1, 0,0,0};
//《送别》
unsigned char code song7[]={
5,1,2, 3,1,3, 5,1,1, 1,2,3, 6,1,2, 1,2,2,
5,1,4, 5,1,2, 1,1,1, 2,1,1, 3,1,2, 2,1,1, 1,1,1, 2,1,4, 5,1,2,
3,1,1, 5,1,1, 1,2,2, 7,1,1, 6,1,2, 1,2,2, 5,1,4, 5,1,2, 2,1,1,
3,1,1, 4,1,2, 7,0,1, 1,1,4, 6,1,2, 1,2,2, 1,2,4, 7,1,2, 6,1,1,
7,1,1, 1,2,4, 6,1,1, 7,1,1, 1,2,1, 6,1,1, 6,1,1, 5,1,1, 3,1,1,
1,1,1, 2,1,8, 5,1,2, 3,1,1, 5,1,1, 1,2,2, 7,1,1, 6,1,2, 1,2,2,
5,1,4, 5,1,2, 2,1,1, 3,1,1, 4,1,2, 7,0,2, 1,1,4, 0,0,0};
//《最浪漫的事》
unsigned char code song8[]={
5,1,1, 6,1,1, 1,2,1, 6,1,2, 6,1,1, 5,1,1, 6,1,1, 5,1,1, 3,1,1, 5,1,5,
5,1,1, 6,1,1, 1,2,1, 6,1,2, 6,1,1, 5,1,1, 6,1,1, 5,1,1, 6,1,1, 1,1,5,
1,1,1, 2,1,1, 3,1,1, 2,1,1, 2,1,1, 2,1,1, 1,1,1, 2,1,1, 1,1,1, 6,1,1,
3,1,2, 2,1,3, 5,1,1, 6,1,1, 1,2,1, 6,1,2, 6,1,1, 5,1,1, 6,1,1, 5,1,1,
6,1,1, 1,1,5, 1,1,1, 2,1,1, 3,1,1, 4,1,2, 4,1,1, 5,1,1, 6,1,1, 6,1,1,
5,1,1, 6,1,2, 1,2,1, 6,1,3, 1,2,1, 6,1,1, 5,1,1, 5,1,4, 1,1,1, 6,1,1,
5,1,5, 5,1,1, 6,1,1, 1,2,1, 3,1,1, 2,1,1, 3,1,1, 1,1,6, 0,0,0};
// 频率-半周期数据表 高八位 共保存了四个八度的28个频率数据
unsigned char code FREQH[]={
0xF2, 0xF3, 0xF5, 0xF5, 0xF6, 0xF7, 0xF8, //低音1234567
0xF9, 0xF9, 0xFA, 0xFA, 0xFB, 0xFB, 0xFC, 0xFC,//1,2,3,4,5,6,7,i
0xFC, 0xFD, 0xFD, 0xFD, 0xFD, 0xFE, //高音 234567
0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFF}; //超高音 1234567
// 频率-半周期数据表 低八位
unsigned char code FREQL[]={
0x42, 0xC1, 0x17, 0xB6, 0xD0, 0xD1, 0xB6, //低音1234567
0x21, 0xE1, 0x8C, 0xD8, 0x68, 0xE9, 0x5B, 0x8F, //1,2,3,4,5,6,7,i
0xEE, 0x44, 0x6B, 0xB4, 0xF4, 0x2D, //高音 234567
0x47, 0x77, 0xA2, 0xB6, 0xDA, 0xFA, 0x16}; //超高音 1234567
void main(void)
{
Timer0_Init();
Timer1_Init();
DS1302_Init();
// DS1302_Write_Time();
LcdReset();
DelayMs(10);
LcdClear();
DispStr(0, 0, " MusicBox ");
DelaySecond(2);
LcdClear();
while (1)
{
if (g_setTime == 1)
{
SetTime();
}
else
{
DS1302_Read_Time();
DispMusic();
}
if (g_playFlag == 1)
{
PlayMusic(); //根据当前状态播放相应歌曲的某个音符
}
if (g_refreshTime == 1) //每200ms刷新一次屏幕
{
DispTime();
g_refreshTime = 0;
}
KeyScan();
}
}
void DelayOfBeat(unsigned char t) //延时子函数,控制发音的时间长度,每个节拍0.4S
{
unsigned char t1;
unsigned long t2;
for (t1 = 0; t1 < t; t1++) //嵌套循环, 共延时t个半拍
{
for (t2 = 0; t2 < 8000; t2++) //延时期间, 可进入T0中断去发音
{
;
}
}
TR0 = 0; //关闭T0, 停止发音
}
void PlayOneNote(void) //演奏一个音符
{
TH0 = FREQH[g_fre]; //下次的中断时间,这个时间控制音调高低
TL0 = FREQL[g_fre];
TR0 = 1; //启动T0, 由T0输出方波发音
DelayOfBeat(g_beatTime); //每个音符的演奏时间
}
void PlayMusic(void) //播放相应歌曲的某个音符
{
if ((g_musicNum == 1) && (g_playEn == 1))
{
g_fre = song1[g_noteCnt] + 7 * song1[g_noteCnt + 1] - 1; //第i个是音符,第i+1个是第几个八度
g_beatTime = song1[g_noteCnt + 2]; //读出时间长度数值
g_noteCnt += 3;
if (g_fre < 0) //判断歌曲的结束位,结束后转到下一首
{
g_noteCnt = 0; //下一首从头播放
g_musicNum = 2;
}
PlayOneNote(); //发出一个音符
}
if ((g_musicNum == 2) && (g_playEn == 1))
{
g_fre = song2[g_noteCnt] + 7 * song2[g_noteCnt + 1] - 1;
g_beatTime = song2[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 3;
}
PlayOneNote();
}
if ((g_musicNum == 3) && (g_playEn == 1))
{
g_fre = song3[g_noteCnt] + 7 * song3[g_noteCnt + 1] - 1;
g_beatTime = song3[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 4;
}
PlayOneNote();
}
if ((g_musicNum == 4) && (g_playEn == 1))
{
g_fre = song4[g_noteCnt] + 7 * song4[g_noteCnt + 1] - 1;
g_beatTime = song4[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 5;
}
PlayOneNote();
}
if ((g_musicNum == 5) && (g_playEn == 1))
{
g_fre = song5[g_noteCnt] + 7 * song5[g_noteCnt + 1] - 1;
g_beatTime = song5[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 6;
}
PlayOneNote();
}
if ((g_musicNum == 6) && (g_playEn == 1))
{
g_fre = song6[g_noteCnt] + 7 * song6[g_noteCnt + 1] - 1;
g_beatTime = song6[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 7;
}
PlayOneNote();
}
if ((g_musicNum == 7) && (g_playEn == 1))
{
g_fre = song7[g_noteCnt] + 7 * song7[g_noteCnt + 1] - 1;
g_beatTime = song7[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 8;
}
PlayOneNote();
}
if ((g_musicNum == 8) && (g_playEn == 1))
{
g_fre = song8[g_noteCnt] + 7 * song8[g_noteCnt + 1] - 1;
g_beatTime = song8[g_noteCnt + 2];
g_noteCnt += 3;
if (g_fre < 0)
{
g_noteCnt = 0;
g_musicNum = 1;
}
PlayOneNote();
}
}
void KeyScan() //按键程序
{
/*********************歌曲播放*********************/
if (!KEY_SELECT)
{
DelayMs(10); //按键去抖动
if (!KEY_SELECT)
{
g_playFlag = 0;
g_setTime = 1;
g_setLocation++;
}
while (!KEY_SELECT)
;
}
if (!KEY_PAUSE)
{
DelayMs(5);
if (!KEY_PAUSE)
{
g_playFlag = ~g_playFlag;
}
while (!KEY_PAUSE)
;
}
if (!KEY_PREVIOUS)
{
DelayMs(5);
if (!KEY_PREVIOUS)
{
if (g_setTime == 1)
{
switch (g_setLocation)
{
case 1:
{
if (timeBufDec[1] == 0)
{
timeBufDec[1] = 100;
}
timeBufDec[1]--;
break;
}
case 2:
{
timeBufDec[2]--;
if (timeBufDec[2] < 1)
{
timeBufDec[2] = 12;
}
break;
}
case 3:
{
timeBufDec[3]--;
if (timeBufDec[3] < 1)
{
timeBufDec[3] = YDay(timeBufDec[1], timeBufDec[2]);
}
break;
}
case 4:
{
if (timeBufDec[4] == 0)
{
timeBufDec[4] = 24;
}
timeBufDec[4]--;
break;
}
case 5:
{
if (timeBufDec[5] == 0)
{
timeBufDec[5] = 60;
}
timeBufDec[5]--;
break;
}
case 6:
{
timeBufDec[7]--;
if (timeBufDec[7] < 1)
{
timeBufDec[7] = 7;
}
break;
}
default:;
}
}
else
{
g_musicNum--;
g_noteCnt = 0;
if (g_musicNum < 1)
{
g_musicNum = MUSIC_AMOUNT;
TR0 = 0;
}
}
while (!KEY_PREVIOUS)
;
}
}
仿真演示视频：
https://www.bilibili.com/video/BV1he4y1u7Ux/
实物演示视频：
https://www.bilibili.com/video/BV1cR4y1C7Sf/
