51单片机温度计+计数器(可调时间)+蜂鸣器(生日歌)+花样流水灯6种

51单片机课程设计蜂鸣器（生日歌）+温度计+计数器（可调时间）+花样流水灯（6种）#include<reg52.h>#include<intrins.h>#include<stdlib.h>#define uchar unsigned char#define uint unsigned int#define led P1 //将P1口定义位8个leduchar a, count, S1num, xqnum, temp, j, tm, key, coun, L, qdq, mb; //定义变量char yue, ri, shi, fen, miao; //定义月日时分秒int nian; //定义年// ==================定义初始化日历uchar code table0[] = "2020-09-4--FRI--";uchar code table1[] = "08:48:00";uchar code xingqi[][3] = { "MON","TUE","WED","THU","FRI","SAT","SUN" };uint led1[]={0x7e,0xbd,0xdb,0xe7,0xff};// ==================定义初始化日历sbit lcdrs=P2^6; //将lcd1602的RS端口（数据/命令选择端）定义到P2.0 sbit lcdrw=P2^7; //将lcd1602的R/W端口（读/写选择端）定义到P2.1 sbit lcden=P2^5; //将lcd1602的E端口（使能端口）定义到P2.2sbit DQ=P3^7;//ds18b20sbit S1=P3^1; //进入设置退出设置sbit S2=P3^2; //+1 或秒表模式sbit S3=P3^3; //-1 或开始秒表计时sbit S0=P3^0; //进入设置退出设置sbit S4=P3^4; //灯模式切换sbit S5=P3^5;sbit beep = P2^2; //定义蜂鸣器uchar code SONG_TONE[]={212,212,190,212,159,169,212,212,190,212,142,159, 212,212,106,126,159,169,190,119,119,126,159,142,159,0};uchar code SONG_LONG[]={9,3,12,12,12,24,9,3,12,12,12,24,9,3,12,12,12,12,12,9,3,12,12,12,24,0};//延时unsigned char code str2[16]={" "};uchar data disdata[5];uint value;//温度值温度值uchar flag;//正负标志正负标志void delay1ms(unsigned int ms)//延时1毫秒{unsigned int i,j;for(i=0;i<ms;i++)for(j=0;j<100;j++);}void write_com1(unsigned char com1)//写指令//{ delay1ms(1);lcdrs=0;lcdrw=0;lcden=0;P0=com1;delay1ms(1);lcden=1;delay1ms(1);lcden=0;}void write_dat1(unsigned char dat1)//写数据// { delay1ms(1);lcdrs=1;lcdrw=0;lcden=0;P0=dat1;delay1ms(1);lcden=1;delay1ms(1);lcden=0;}void lcd_init()//初始化设置//{write_com1(0x38);delay1ms(5);write_com1(0x08);delay1ms(5);write_com1(0x01);delay1ms(5);write_com1(0x06);delay1ms(5);write_com1(0x0c);delay1ms(5);}void display(unsigned char *p)//显示{while(*p!='\0'){write_dat1(*p);p++;delay1ms(1);}}init_play()//初始化显示{lcd_init();write_com1(0xc0);display(str2);}void delay_18B20(unsigned int i)//延时1微秒{while(i--);}void ds1820rst()/*ds1820复位*/{unsigned char x=0;DQ = 1;//DQ复位delay_18B20(4);//延时DQ=0;//DQ拉低delay_18B20(100);//精确延时大于480usDQ=1;//拉高delay_18B20(40);}uchar ds1820rd()/*读数据*/{unsigned char i=0;unsigned char dat1 = 0;for (i=8;i>0;i--){DQ = 0; //给脉冲信号dat1>>=1;DQ=1;//给脉冲信号if(DQ)dat1|=0x80;delay_18B20(10);}return(dat1);}void ds1820wr(uchar wdata)/*写数据*/ {unsigned char i=0;for(i=8;i>0;i--){DQ=0;DQ=wdata&0x01;delay_18B20(10);DQ=1;wdata>>=1;}}read_temp()/*读取温度值并转换*/ {uchar a,b;ds1820rst();ds1820wr(0xcc);//*跳过读序列号*/ds1820wr(0x44);//*启动温度转换*/?ds1820rst();ds1820wr(0xcc);//*跳过读序列号*/ds1820wr(0xbe);//*读取温度*/a=ds1820rd();b=ds1820rd();value=b;value<<=8;value=value|a;if(value<0x0fff)flag=0;else{value=~value+1;flag=1;}value=value*(0.625);//温度值扩大10倍，精确到1位小数return(value);}/*******************************************************************/ void ds1820disp()//温度值显示{uchar flagdat;disdata[0]=value/1000+0x30;//百位数disdata[1]=value%1000/100+0x30;//十位数disdata[2]=value%100/10+0x30;//个位数disdata[3]=value%10+0x30;//小数位if(flag==0)flagdat=0x20;//正温度不显示符号elseflagdat=0x2d;//负温度显示负号:-if(disdata[0]==0x30){disdata[0]=0x20;//如果百位为0，不显示if(disdata[1]==0x30){disdata[1]=0x20;//如果百位为0，十位为0也不显示}}write_com1(0xc8);write_dat1(flagdat);//显示符号位write_com1(0xc9);write_dat1(disdata[0]);//显示百位write_com1(0xca);write_dat1(disdata[1]);//显示十位write_com1(0xcb);write_dat1(disdata[2]);//显示个位write_com1(0xcc);write_dat1(0x2e);//显示小数点write_com1(0xcd);write_dat1(disdata[3]);//显示小数位}void delay(uint t) //@12.000MHz延时函数{uint x, y;for (x = t; x > 0; x--)for (y = 110; y > 0; y--);}void DelayMS(uint x){uchar t;while(x--) for(t=0;t<120;t++);}void PlayMusic(){uint i=0,j,k;while(SONG_LONG[i]!=0||SONG_TONE[i]!=0) { //播放各个音符，SONG_LONG 为拍子长度for(j=0;j<SONG_LONG[i]*20;j++){beep=~beep;//SONG_TONE 延时表决定了每个音符的频率for(k=0;k<SONG_TONE[i]/3;k++);}DelayMS(10);i++;}}//======================液晶void write_com(uchar com) //液晶写指令{lcdrw = 0;lcdrs = 0;P0 = com;delay(2);lcden = 1;delay(2);lcden = 0;}void write_data(uchar dat) //液晶写数据{lcdrw = 0;lcdrs = 1;P0 = dat;delay(2);lcden = 1;delay(2);lcden = 0;}void write_sfm(uchar add, uchar dat) //写时分秒函数{uchar shi, ge;shi = dat / 10;ge = dat % 10;write_com(0x80 + 0x40 + add);write_data(0x30 + shi);write_data(0x30 + ge);}void write_yr(uchar add, uchar dat) //写月日函数{uchar shi, ge;shi = dat / 10;ge = dat % 10;write_com(0x80 + add);write_data(0x30 + shi);write_data(0x30 + ge);}void write_nian(uchar add, uint dat) //写年函数{uint qian, bai, shi, ge;qian = dat / 1000;bai = dat % 1000 / 100;shi = dat % 100 / 10;ge = dat % 10;write_com(0x80 + add);write_data(0x30 + qian);write_data(0x30 + bai);write_data(0x30 + shi);write_data(0x30 + ge);}void init_lcd() //液晶初始化{lcden = 0;nian = 2020;yue = 1;ri = 3;shi = 0; //初始shi、fen、miaofen = 0;miao = 0;write_com(0x38); //设置16x2显示，5x7点阵，8位数据口write_com(0x0c); //设置开显示，不显示光标write_com(0x06); //写一个字符后地址指针加1write_com(0x01); //显示清0，数据指针清0}//==================液晶void init() //总初始化函数{init_lcd(); //液晶初始化write_com(0x80); //设置显示初始坐标for (a = 0; a < 14; a++) //显示年月日初始值{write_data(table0[a]);delay(3);}write_com(0x80 + 0x40); //设置显示初始坐标for (a = 0; a < 8; a++) //显示时分秒初始值{write_data(table1[a]);delay(3);}write_nian(0, nian);write_sfm(6, miao); //分别将shi、fen、miao送去液晶显示write_sfm(3, fen);write_sfm(0, shi);qdq=0;mb=0;j=0;L=0;coun=0;count = 0;xqnum = 0;S1num = 0;PT0=1;PT1=0;TH1=(65536-50000)/256;TL1=(65536-50000)%256;TR1=1;ET1=1;led=0xfe;key=0;TMOD = 0x011; //设置定时器0工作模式1TH0 = (65536-50000) / 256; //定时器装初始值TL0 = (65536-50000) % 256;EA = 1; //开总中断ET0 = 1; //开定时器0中断TR0 = 1; //启动定时器0}//=======================流水灯void t0isr() interrupt 3 //定时器2，用于流水灯{TH1=(65536-50000)/256;TL1=(65536-50000)%256;tm++;if(tm>=9){tm=0;switch(key) //六种样式{case 0:led=_crol_(led,1);break;case 1:led=_cror_(led,1);break;case 2:led=_cror_(led,1);break;case 3:led=_crol_(led,1);break;case 4:if(led==0x00)led=0xff;else led=led*2;break;case 5:led=~led;break;}}}//=======================流水灯//=========================== 独立键盘扫描函数void keyscan(){//————————————————————————————————————————————进入日历时钟设置if(S5 == 0){ read_temp();//读取温度ds1820disp();//显示}if (S0 == 0){ beep=0;PlayMusic(); //播放生日快乐beep=1;}if (S1 == 0){delay(2); //确认定义键被按下if (S1 == 0){while(!S1); //确认按键松开S1num++; //定义键S1按下次数记录if (S1num == 1) //S1按下一次时{TR0 = 0; //关闭定时器write_com(0xc0 + 7); //光标定位到秒位置write_com(0x0f); //光标闪烁}if (S1num == 2) //S1按下两次时{write_com(0xc0 + 4); //光标定位到分位置}if (S1num == 3) //S1按下三次时{write_com(0xc0 + 1); //光标定位到时位置}if (S1num == 4) //S1按下四次时{write_com(0x80 + 13); //光标定位到星期位置}if (S1num == 5) //S1按下五次时{write_com(0x80 + 9); //光标定位到日位置}if (S1num == 6) //S1按下六次时{write_com(0x80 + 6); //光标定位到月位置}if (S1num == 7) //S1按下七次时{write_com(0x80 + 3); //光标定位到年位置}if (S1num == 8) //退出设置，开启中断{S1num = 0;delay(3);TR0 = 1;write_com(0x0c);}}}if (S1num != 0) //只有定义键按下后S2、S3、S4才有效{if (S2 == 0){delay(2); //防抖if (S2 == 0) //确认按键被按下{while (!S2); //释放按键确认if (S1num == 1) //S1按下一次时{miao++; //调整秒加1if (miao == 60) //满60清零miao = 0;write_sfm(6, miao); //每调节一次送液晶显示一次write_com(0x80 + 0x40 + 6); //显示位置重新回到调节处}if (S1num == 2) //S1按下两次时{fen++; //调整分加1if (fen == 60)fen = 0;write_sfm(3, fen);write_com(0x80 + 0x40 + 3);}if (S1num == 3) //S1按下三次时{shi++; //调整时加1if (shi == 24)shi = 0;write_com(0x80 + 0x40);write_sfm(0, shi);}if (S1num == 4) //星期加调整{xqnum++;if (xqnum == 7)xqnum = 0;write_com(0x80 + 0x0b);for (a = 0; a < 3; a++){write_data(xingqi[xqnum][a]);delay(5);}}if (S1num == 5) //日加调整{ri++;if (yue == 2){if (nian % 400 == 0){if (ri == 30)ri = 1;}if (nian % 400 != 0){if (ri == 29)ri = 1;}}else if (yue <= 7){if (yue % 2 == 0 & yue != 2){if (ri == 31){ ri = 1; }}else if (yue % 2 != 0 & yue != 2){if (ri == 32){ ri = 1; }}}else if (yue >= 8){if (yue % 2 == 0){if (ri == 32){ ri = 1; }}else if (yue % 2 != 0){if (ri == 31){ ri = 1; }}}write_yr(8, ri);}if (S1num == 6) //月加调整{yue++;if (yue == 13)yue = 1;write_yr(5, yue);}if (S1num == 7) //年加调整{nian++;if (nian == 2030)nian = 2019;write_nian(0, nian);}}}if (S3 == 0){delay(2);if (S3 == 0) //确认按键被按下{while (!S3); //确认按键松开if (S1num == 1){miao--; //调整秒减1if (miao == -1) //减到00后再减重新设置为59miao = 59;write_sfm(6, miao);write_com(0x80 + 0x40 + 6);}if (S1num == 2){fen--; //调整分减1if (fen == -1)fen = 59;write_sfm(3, fen);write_com(0x80 + 0x40 + 3);}if (S1num == 3){shi--; //调整时减1if (shi == -1)shi = 23;write_sfm(0, shi);write_com(0x80 + 0x40);}if (S1num == 4){xqnum--; //调整星期减一if (xqnum == -1)xqnum = 6;write_com(0x80 + 0x0b);for (a = 0; a < 3; a++){write_data(xingqi[xqnum][a]);delay(5);}}if (S1num == 5) //调整日{ri--;if (yue == 2){if (nian % 400 == 0){if (ri == 0){ ri = 29; }}if (nian % 400 != 0){if (ri == 0){ ri = 28; }}}else if (yue <= 7){if (yue % 2 == 0 & yue != 2){if (ri == 0){ ri = 30; }}else if (yue % 2 != 0 & yue != 2){if (ri == 0){ ri = 31; }}}else if (yue >= 8){if (yue % 2 == 0){if (ri == 0){ ri = 31; }}else if (yue % 2 != 0){if (ri == 0){ ri = 30; }}}write_yr(8, ri);}if (S1num == 6) //调整月{yue--;if (yue == 0)yue = 12;write_yr(5, yue);}if (S1num == 7) //调整年{nian--;if (nian == 2030)nian = 2019;write_nian(0, nian);}}}}//————————————————————————————————————-推出日历时钟设置//——————————————————————————————————流水灯设置初值if(S4==0){delay(2);if(S4==0) //确认按键按下{while(!S4);qdq=0; //抢答器重置TR1=1;delay(2);while(S4==0);delay(2);key++;key%=6;if(key==0)led=0xfe;else if(key==1)led=0x7f;else if(key==2)led=0x80;else if(key==3)led=0x01;else if(key==4)led=0xfe;else led=0x55;}}//——————————————————————————————————结束流水灯设置初值}//=========================== 独立键盘扫描函数//=======================定时器0中断服务程序，用于日历时钟、秒表void timer0() interrupt 1{TH0 = (65536-50000) / 256; //重装定时器初始值TL0 = (65536-50000) % 256;count++; //中断次数累加//————————————————————————————————————————————日历时钟if (count == 20) //20次50毫秒即一秒{count = 0;miao++;if (miao == 60) //秒加到60时分进位{miao = 0;fen++;if (fen == 60) //分加到60时时进位{fen = 0;shi++;if (shi == 24) //时加到24时清0{shi = 0;xqnum++;ri++;if (yue == 2) //如果是二月{if (nian % 400 == 0) //闰年判断{if (ri == 30){ri = 1;yue++;write_yr(5, yue);}}if (nian % 400 != 0) //平年判断{if (ri == 29){ri = 1;yue++;write_yr(5, yue);}}}else if (yue <= 7 & yue != 2) //一月到七月{if (yue % 2 == 0) //偶数月（除二月）{if (ri == 31){ri = 1;yue++;}}else if (yue % 2 != 0) //奇数月{if (ri == 32){ri = 1;yue++;}}write_yr(5, yue);}else if (yue >= 8) //八月到12月{if (yue % 2 == 0) //偶数月（除二月）{if (ri == 32){ri = 1;yue++;if (yue == 13) //如果判断月份为12月，则加一后重新定义月份为1{yue = 1;nian++;write_nian(0, nian);}write_yr(5, yue);}}else if (yue % 2 != 0) //奇数月{if (ri == 31){ri = 1;yue++;write_yr(5, yue);}}}write_yr(8, ri);if (xqnum == 7) //星期写入xqnum = 0;write_com(0x80 + 0x0b);for (a = 0; a < 3; a++){write_data(xingqi[xqnum][a]);delay(5);}}write_sfm(0, shi); //重新写入数据}write_sfm(3, fen); //重新写入数据}write_sfm(6, miao); //重新写入数据}//——————————————————————————————————————————日历时钟结束}//=======================定时器0中断服务程序，用于日历时钟void main() //主函数{init(); //初始化while (1){keyscan(); //检测按键是否被按下}}相关视频在哔哩哔哩：BV1ef4y1q7xY。