基于單片機(jī)的音樂(lè)播放器文檔

1、西北師范大學(xué)知行學(xué)院計(jì)算機(jī)與電子信息工程系課程設(shè)計(jì)報(bào)告書(shū)課程名稱：?jiǎn)纹瑱C(jī)程序設(shè)計(jì)專 業(yè)：電子信息工程課題名稱：基于單片機(jī)的音樂(lè)播放器設(shè)計(jì)班 級(jí):12 電本班學(xué) 號(hào):201292160124姓 名：竇紅莉指導(dǎo)教師：胡亞琦二O一四二。一五學(xué)年第一學(xué)期基于單片機(jī)的音樂(lè)播放器設(shè)計(jì)一 、實(shí)驗(yàn)題目基于單片機(jī)的音樂(lè)播放器設(shè)計(jì)二、實(shí)驗(yàn)內(nèi)容本設(shè)計(jì)是一個(gè)基于 AT89C51 系列單片機(jī)的音樂(lè)播放器，依據(jù)單片 機(jī)技術(shù)原理， 通過(guò)硬件電路制作以及軟件編譯， 設(shè)計(jì)制作出一個(gè)多功 能多功能音樂(lè)播放器。該音樂(lè)播放器主要由按鍵電路、復(fù)位電路、時(shí) 鐘電路以及蜂鳴器組成。 使用兩個(gè)按鍵控制音樂(lè)播放器， 一個(gè)用來(lái)切 換歌曲，另一個(gè)

2、用來(lái)切換 8 路 LED 的變化花樣，本音樂(lè)盒共有兩首 歌曲，花樣燈花樣共計(jì) 3 種。播放歌曲時(shí)，蜂鳴器發(fā)出某個(gè)音調(diào)，與 之對(duì)應(yīng)的 LED 亮起。本設(shè)計(jì)利用 KEIL 編程軟件對(duì)音樂(lè)播放器源程 序進(jìn)行編程并調(diào)試，配合 PROTEUS 仿真軟件對(duì)硬件進(jìn)行仿真調(diào)試， 節(jié)約了設(shè)計(jì)時(shí)間?！娟P(guān)鍵字】音樂(lè)盒；AT89C51單片機(jī)； KEIL ; PROTEUS;音調(diào)三 、設(shè)計(jì)目的1、設(shè)計(jì)方案 設(shè)計(jì)一個(gè)基于 AT89C51 系列單片機(jī)的音樂(lè)播放器，利用按鍵切換演 奏出不同的樂(lè)曲。蜂鳴器發(fā)出某個(gè)音調(diào)，與之相對(duì)應(yīng)的 LED 亮起。 使用兩個(gè)按鍵，一個(gè)用來(lái)切換歌曲，另一個(gè)切換八路 LED 的變化花 樣。2、研究?jī)?nèi)

3、容1）電路有兩種工作模式：演奏音樂(lè)模式和花樣燈模式。演奏音樂(lè)模 式：演奏完整的一首的歌曲，八路LED隨著音樂(lè)變化?；訜裟Ｊ剑?八路LED變化出各種花樣，蜂鳴器隨著發(fā)出“嘀嘀”聲2）按下按鍵1進(jìn)入演奏音樂(lè)模式，再按切換歌曲，共兩首歌曲。3）按下按鍵2進(jìn)入花樣燈模式，再按切換LED花樣，共三種花樣。 此電路的程序只占用了 1K左右，可編制更多的音樂(lè)和 LED花樣， 使系統(tǒng)的功能更加強(qiáng)大。3、設(shè)計(jì)原理1）系統(tǒng)組成框圖音樂(lè)播放器的系統(tǒng)結(jié)構(gòu)以 AT89C51單片機(jī)位控制核 心，加上2個(gè)按鍵、時(shí)鐘復(fù)位電路、蜂鳴器、LED模塊組成。單片 機(jī)負(fù)責(zé)接收按鍵的輸入，根據(jù)輸入控制音樂(lè)播放曲目和音樂(lè)花樣燈的顯示樣式

4、以及蜂鳴器發(fā)音。系統(tǒng)組成框圖如圖2.1所示號(hào)豪1趣區(qū)聾I2）音樂(lè)盒的功能結(jié)構(gòu)圖音樂(lè)播放器的功能結(jié)構(gòu)如圖2.2所示。Key1負(fù)責(zé)切換播放歌曲，播放歌曲共2首，分別是千年之戀和寂寞沙洲冷。Key2負(fù)責(zé)切換LED顯示花樣，顯示花樣共3種，第一種順序顯示，第二種由兩邊向中間 移動(dòng)然后向兩邊移動(dòng)，第三種循環(huán)顯示。圈2起音樂(lè)盒功爺結(jié)構(gòu)畫(huà)3）硬件設(shè)計(jì)5i-耳件忖計(jì)忙區(qū)四、總體設(shè)計(jì)框圖五、調(diào)試5.1檢查硬件連接在PROTUES檢查各硬件管腳是否連接正確， 線路邏輯是否正確，例 如：晶振電路的連接，復(fù)位電路是否設(shè)計(jì)正確。5.2檢查軟件系統(tǒng)1. 根據(jù)系統(tǒng)的原理結(jié)構(gòu)檢查各流程圖是否正確，再根據(jù)流程圖來(lái)檢 查程序是否

5、也正確。2. 將所有程序組織起來(lái)，在軟件環(huán)境下運(yùn)行，檢查程序是否正確。通過(guò)對(duì)硬件和軟件系統(tǒng)的認(rèn)真檢查， 反復(fù)測(cè)試，如果沒(méi)有出現(xiàn)問(wèn)題即 可把源程序編譯成HEX文件裝載到單片機(jī)中，對(duì)硬件進(jìn)行仿真。5.3測(cè)試結(jié)果 531.總體運(yùn)行圖由于截圖只能看到靜態(tài)圖，不能看到整體圖樣，下面畫(huà)圖說(shuō)明:(1)第一種花樣燈顯示方式為：從 D1移向D2，然后D1熄滅，再 從D2移向D3，然后D2熄滅，以此類推，往復(fù)循環(huán)。圖E. 4第3中花樣(2)第二種花樣燈顯示方式為：從兩邊向中間移動(dòng)，首先從 D1移 向D8，再?gòu)腄8移向D2，以此類推，往復(fù)循環(huán)。具體如圖 5.3。(3)第三種花樣燈顯示方式為：從 D1移向D2，然后D

6、1熄滅，再?gòu)腄2移向D3，然后D2熄滅，以此往復(fù)循環(huán)。與第一種方式的不同 之處為：當(dāng)D1移向D2時(shí)，D1不熄滅，再?gòu)腄2移向D3時(shí)，D2也 不熄滅，以此類推。六、實(shí)驗(yàn)程序#include <reg52.h>#define uchar unsigned char#define uint unsigned intsbit dua n=P2八6;sbit key仁P3八2;/按keyl可切換花樣sbit key2=P3A3;/按 key2 可切換歌曲sbit fm=P0A7;/蜂鳴器連續(xù)的10 口sbit P34二P3A4;/矩陣鍵盤(pán)的一列uchar code huayang1=0x7f

7、,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf;/ 花樣 1uchar code huayang2=0x7f,0xfe,0xbf,0xfd,0xdf,0xfb,0xef,0xf7, 0xef,0xfb,0xdf,0xfd,0xbf,0xfe;/ 花樣 2uchar code huayang3=0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x0, 0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff;char code huayang4= 0x55,0xaa,0

8、xcc,0x33,0x99,0x66,0x0f,0xf0;uchar coun t1;/花 樣標(biāo)志uchar cou nt2;/歌曲標(biāo)志uchar timeh,timel,i;/ 簡(jiǎn)譜 /編程規(guī)則字節(jié)高位是簡(jiǎn)譜 ,低位是持續(xù)時(shí)間/代表多少個(gè)十六分音符/1-7代表中央C調(diào),8-E代表高八度,0代表停頓/最后的 0 是結(jié)束標(biāo)志uchar code qnzl=/千年之戀0x12,0x22,0x34,0x84,0x74,0x54,0x38,0x42,0x32,0x22,0x42,0x34,0x84,0x72,0x82,0x94,0xA8,0x08,/前奏0x32,0x31,0x21,0x32,0x52

9、,0x32,0x31,0x21,0x32,0x62, /竹林的燈火到過(guò)的沙漠0x32,0x31,0x21,0x32,0x82,0x71,0x81,0x71,0x51,0x32,0x22, /七色的國(guó)度不斷飄逸風(fēng)中0x32,0x31,0x21,0x32,0x52,0x32,0x31,0x21,0x32,0x62, /有一種神秘灰色的旋渦0x32,0x31,0x21,0x32,0x83,0x82,0x71,0x72,0x02,/將我卷入了迷霧中0x63,0xA1,0xA2,0x62,0x92,0x82,0x52,/看不清的雙手0x31,0x51,0x63,0x51,0x63,0x51,0x63,0

10、x51,0x62,0x82,0x7C,0x02, /一朵花傳來(lái)誰(shuí)經(jīng)過(guò)的溫柔0x61,0x71,0x82,0x71,0x62,0xA2,0x71,0x76,/穿越千年的傷痛 0x61,0x71,0x82,0x71,0x62,0x52,0x31,0x36,/只為求一個(gè)結(jié)果0x61,0x71,0x82,0x71,0x62,0xA3,0x73,0x62,0x53, /你留下的輪廓指引我 0x42,0x63,0x83,0x83,0x91,0x91,/黑夜中不寂寞0x61,0x71,0x82,0x71,0x62,0x0A2,0x71,0x76,/穿越千年的哀愁0x61,0x71,0x82,0x71,0x6

11、2,0x52,0x31,0x36,/是你在盡頭等我0x61,0x71,0x82,0x71,0x62,0xA3,0x73,0x62,0x53,/最美麗的感動(dòng)會(huì)值得0x42,0x82,0x88,0x02,0x74,0x93,0x89,0xff 結(jié)束標(biāo)志/用一生守候;uchar code jmszl= /寂寞沙洲冷0x12,0x12,0x22,0x32,0x31,0x22,0x21,0x22,/自你走后心憔悴0x21,0x31,0x51,0x52,0x31,0x52,0x61,0x15,0x14,/白色油桐風(fēng)中紛飛0x51,0x52,0x31,0x52,0x62,0x13,0x11,0x13,0x3

12、2,0x28,0x08,0x28,/落花似人有情這個(gè)季節(jié)0x31,0x32,0x31,0x32,0x11,0x21,0x51,0x52,0x51,0x52,/河畔的風(fēng)放肆拼命地吹0x51,0x51,0x31,0x32,0x31,0x32,0x81,0x72,0x63, /不斷撥弄離人的眼淚 0x62,0x71,0x81,0x72,0x61,0x61,0x52,0x31,0x21,0x32,0x51,0x54, /那樣濃烈的愛(ài)再也無(wú)法給 0x22,0x12,0x11,0x12,0x11,0x12,0x12,0x14,0x26,0x32,0x26, /傷感一夜一夜 0x32,0x61,0x51,0

13、x51,0x31,0x31,0x21,0x31,0x51,0x61,0x51,0x31,0x51, /當(dāng)記憶的線纏繞過(guò)往支離破碎 0x02,0x32,0x81,0x81,0x81,0x81,0x62,0x52,0x34,/是慌亂占據(jù)了心扉 0x31,0x81,0x81,0x81,0x61,0x91,0x82,/有花兒伴著蝴蝶 0x51,0x51,0x51,0x51,0x31,0x61,0x53,/孤雁可以雙飛 0x21,0x11,0x21,0x11,0x22,0x11,0x21,0x26,/夜深人靜獨(dú)徘徊0x32,0x61,0x51,0x51,0x31,0x31,0x21,0x31,0x51,

14、0x61,0x51,0x31,0x51, 0x52,/當(dāng)幸福戀人寄來(lái)紅色分享喜悅 0x31,0x31,0x81,0x81,0x81,0x61,0x91,0x81,0x61,0x31,0x56, /閉上雙眼難過(guò)頭也不敢回 0x32,0x32,0x81,0x81,0x81,0x81,0x91,0x81,0x61,0x81,0x61,0x51,0x31,0x51,0x34, /仍然撿盡寒枝不肯安歇微帶著后悔0x21,0x31,0x51,0x31,0x21,0x11,0x61,0x21,0x16,/寂寞沙洲我該思念誰(shuí)0xff;/ 簡(jiǎn) 譜 音 調(diào) 對(duì) 應(yīng) 的 定 時(shí) 器 初 值/適合11.0592M 的

15、晶振uchar code cuzhi=0xff,0xff,/ 占位0xFC,0x8E,中央 C 調(diào) 1-70xFC,0xED,0xFD,0x43,0xFD,0x6A,0xFD,0xB3,0xFD,0xF3,0xFE,0x2D,0xFE,0x47,/高八度 1-70xFE,0x76,0xFE,0xA1,0xFE,0xC7,0xFE,0xD9,0xFE,0xF9,0xFF,0x16;uchar yinyue=0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0x0,0x0;/將音調(diào)轉(zhuǎn)化為對(duì)應(yīng)的 LED 樣式void delay1(uint z); / 延時(shí)

16、1MSvoid delay(ui nt z); / 延時(shí) 165MS,即十六分音符void song();void beep();蜂鳴器叫一聲main() uchar x;cou nt1=O;流水燈無(wú)花樣cou nt2=1;唱第一首歌P34=0;選取矩陣鍵盤(pán)的一列EA= 1 ;/開(kāi)總中斷EX0=1;開(kāi)外部中斷0IT0=1;外部中斷0下降沿觸發(fā)方式EX1 = 1;開(kāi)外部中斷1IT1 = 1;外部中斷1下降沿觸發(fā)方式TMOD=0x01;/ 定時(shí)器 0 工作在方式 1TH0=0;TL0=0;ET0=1;while(1)if(count1!=0)switch(count1)case 1:for(x=0

17、;x<14;x+)duan=1;P1=huayang1x; beep(); delay1(300); duan=0;if(count1!=1)break;break;case 2:for(x=0;x<14;x+)duan=1;P1=huayang2x;beep(); delay1(300);duan=0;if(count1!=2)break;break;case 3:for(x=0;x<16;x+)duan=1;P1=huayang3x; beep(); delay1(300); duan=0;if(count1!=3)break;break;case 4:for(x=0;x

18、<8;x+)duan=1;P1=huayang4x; beep(); delay1(300); duan=0;if(count1!=4)break;break;elsesong();delay1(1000);void int0() interrupt 0EA=O;關(guān)總中斷delay1(1); 去抖if(key1=0)cou nt2=0;不讓蜂鳴器唱歌TR0=0;count1+;if(count1=5)count1=1;EA=1;開(kāi)總中斷void int1() interrupt 2EA=0;關(guān)總中斷delay1(1); 去抖 if(key2=0)cou nt仁0;/流水燈無(wú)花樣TR0=1

19、;i= 0 ; /從頭開(kāi)始唱count2+;if(count2=3)count2=1;EA=1;開(kāi)總中斷void timer0() interrupt 1/用于產(chǎn)生各種音調(diào)TH0=timeh;TL0=timel;fm=fm;void song()uint temp;uchar jp;/jp 是簡(jiǎn)譜i=0;while(1) if(count2=0)break;if(count2=1)/ 選曲temp=qnzli;if(count2=2) temp=jmszli;if(temp=0xff)break;jp=temp/16; /取數(shù)的高 4 位duan=1;P1=yinyuejp;duan=0;if

20、(jp!=0)timeh=cuzhijp*2;timel=cuzhijp*2+1;elseTR0=0;fm=1;/ 關(guān)蜂鳴器delay(temp%16); /取數(shù)的低 4 位 TR0=0; / 唱完一個(gè)音停 10MS fm=1;delay1(10);TR0=1;i+;TR0=0;fm=1;void delay(ui nt z) /延時(shí)165MS,即十六分音符 uint x,y;for(x=z;x>0;x-)for(y=19000;y>0;y-);void delay1(uint z)/延時(shí) 1MSuint x,y;for(x=z;x>0;x-)for(y=112;y>0

21、;y-);void beep() /蜂鳴器叫一聲 uchar i;for(i=0;i<50;i+) fm=fm;delay1(1);fm=1;七、設(shè)計(jì)心得： 單片機(jī)的設(shè)計(jì)至今為止已經(jīng)進(jìn)入了令人鼓舞的階段， 在進(jìn)行了長(zhǎng)達(dá)兩 個(gè)多月的時(shí)間的摸索與實(shí)驗(yàn)， 使我不僅僅是對(duì)于單片機(jī)入門(mén)軟件與硬 件的常用設(shè)計(jì)與功能， 還使我對(duì)于一項(xiàng)設(shè)計(jì)研究的制作過(guò)程所需要的 詳細(xì)步驟和具體的實(shí)現(xiàn)方法的力度的掌握。 當(dāng)然在這次寶貴的設(shè)計(jì)活 動(dòng)中，經(jīng)驗(yàn)才是對(duì)于我們最大的收獲， 而且還增強(qiáng)了自身對(duì)未知問(wèn)題 以及對(duì)知識(shí)的深化認(rèn)識(shí)的能力， 用受益匪淺這個(gè)詞語(yǔ)來(lái)概括這次難忘 的活動(dòng)我覺(jué)得再合適不過(guò)了。總之，這次設(shè)計(jì)從軟件編寫(xiě)、

22、調(diào)試到軟 硬件聯(lián)機(jī)調(diào)試， 我傾注了大量的時(shí)間和心血。 真是曾經(jīng)為程序的編寫(xiě) 而冥思查找過(guò)， 曾經(jīng)為無(wú)法找出錯(cuò)誤而郁悶苦惱過(guò)， 也曾經(jīng)為某一功 能不能實(shí)現(xiàn)而猶豫彷徨過(guò)， 但最終我成功了。 我不僅品味到了結(jié)果的 喜悅，更明白了過(guò)程的彌足珍貴感謝我的導(dǎo)師胡亞琪老師， 他嚴(yán)謹(jǐn)細(xì) 致、一絲不茍的作風(fēng)一直是我工作、學(xué)習(xí)中的榜樣；他循循善誘的教 導(dǎo)和不拘一格的思路給予我無(wú)盡的啟迪。八、參考文獻(xiàn)：1、單片機(jī)原理及應(yīng)用系統(tǒng)設(shè)計(jì)胡亞琦 編著西安科技大學(xué)出版社2、C語(yǔ)言程序設(shè)計(jì)（第三版）林小茶中國(guó)鐵道出版社附錄：源程序代碼#include <reg52.h>#define uchar unsigned

23、char#define uint unsigned intsbit dua n=P2八6;sbit key仁P3八2;/按keyl可切換花樣sbit key2=P3A3;/按 key2 可切換歌曲sbit fm=P3A7;/蜂鳴器連續(xù)的10 口sbit P34二P3A4;/矩陣鍵盤(pán)的一列 uchar code huayang1=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe, 0xfd,0xfb,0xf7,0xef,0xdf,0xbf;/ 花樣 1uchar code huayang2=0x7f,0xfe,0xbf,0xfd,0xdf,0xfb,0xef,0xf

24、7, 0xef,0xfb,0xdf,0xfd,0xbf,0xfe;/ 花樣 2uchar code huayang3=0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x0, 0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff;char code huayang4= 0x55,0xaa,0xcc,0x33,0x99,0x66,0x0f,0xf0;uchar coun t1;/花 樣標(biāo)志uchar cou nt2;/歌曲標(biāo)志uchar timeh,timel,i;/ 簡(jiǎn)譜 /編程規(guī)則字節(jié)高位是簡(jiǎn)譜 ,低位是持續(xù)時(shí)間 , /代表多少個(gè)十六分音符/1

25、-7代表中央C調(diào),8-E代表高八度,0代表停頓/最后的 0 是結(jié)束標(biāo)志uchar code qnzl=/千年之戀0x12,0x22,0x34,0x84,0x74,0x54,0x38,0x42,0x32,0x22,0x42,0x34,0x84, 0x72,0x82,0x94,0xA8,0x08,/前奏 0x32,0x31,0x21,0x32,0x52,0x32,0x31,0x21,0x32,0x62, /竹林的燈火到過(guò)的沙漠0x32,0x31,0x21,0x32,0x82,0x71,0x81,0x71,0x51,0x32,0x22, /七色的國(guó)度不斷飄逸風(fēng)中0x32,0x31,0x21,0x32

26、,0x52,0x32,0x31,0x21,0x32,0x62, /有一種神秘灰色的旋渦 0x32,0x31,0x21,0x32,0x83,0x82,0x71,0x72,0x02, /將我卷入了迷霧中0x63,0xA1,0xA2,0x62,0x92,0x82,0x52,/看不清的雙手0x31,0x51,0x63,0x51,0x63,0x51,0x63,0x51,0x62,0x82,0x7C,0x02, /一朵花傳來(lái)誰(shuí)經(jīng)過(guò)的溫柔0x61,0x71,0x82,0x71,0x62,0xA2,0x71,0x76,/穿越千年的傷痛0x61,0x71,0x82,0x71,0x62,0x52,0x31,0x3

27、6,/只為求一個(gè)結(jié)果0x61,0x71,0x82,0x71,0x62,0xA3,0x73,0x62,0x53, /你留下的輪廓指引我0x42,0x63,0x83,0x83,0x91,0x91,/黑夜中不寂寞 0x61,0x71,0x82,0x71,0x62,0x0A2,0x71,0x76,/穿越千年的哀愁 0x61,0x71,0x82,0x71,0x62,0x52,0x31,0x36,/是你在盡頭等我 0x61,0x71,0x82,0x71,0x62,0xA3,0x73,0x62,0x53, /最美麗的感動(dòng)會(huì)值得0x42,0x82,0x88,0x02,0x74,0x93,0x89,0xff 結(jié)

28、束標(biāo)志/用一生守候;uchar code jmszl= /寂寞沙洲冷0x12,0x12,0x22,0x32,0x31,0x22,0x21,0x22,/自你走后心憔悴0x21,0x31,0x51,0x52,0x31,0x52,0x61,0x15,0x14,/白色油桐風(fēng)中紛飛0x51,0x52,0x31,0x52,0x62,0x13,0x11,0x13,0x32,0x28,0x08,0x28,/落花似人有情這個(gè)季節(jié)0x31,0x32,0x31,0x32,0x11,0x21,0x51,0x52,0x51,0x52,/河畔的風(fēng)放肆拼命地吹0x51,0x51,0x31,0x32,0x31,0x32,0x

29、81,0x72,0x63,/不斷撥弄離人的眼淚0x62,0x71,0x81,0x72,0x61,0x61,0x52,0x31,0x21,0x32,0x51,0x54,/那樣濃烈的愛(ài)再也無(wú)法給0x22,0x12,0x11,0x12,0x11,0x12,0x12,0x14,0x26,0x32,0x26,/傷感一夜一夜0x32,0x61,0x51,0x51,0x31,0x31,0x21,0x31,0x51,0x61,0x51,0x31,0x51,/當(dāng)記憶的線纏繞過(guò)往支離破碎0x02,0x32,0x81,0x81,0x81,0x81,0x62,0x52,0x34,/是慌亂占據(jù)了心扉0x31,0x81,

30、0x81,0x81,0x61,0x91,0x82, /有花兒伴著蝴蝶 0x51,0x51,0x51,0x51,0x31,0x61,0x53,/孤雁可以雙飛0x21,0x11,0x21,0x11,0x22,0x11,0x21,0x26,/夜深人靜獨(dú)徘徊0x32,0x61,0x51,0x51,0x31,0x31,0x21,0x31,0x51,0x61,0x51,0x31,0x51,0x52,/當(dāng)幸福戀人寄來(lái)紅色分享喜悅0x31,0x31,0x81,0x81,0x81,0x61,0x91,0x81,0x61,0x31,0x56,/閉上雙眼難過(guò)頭也不敢回0x32,0x32,0x81,0x81,0x81

31、,0x81,0x91,0x81,0x61,0x81,0x61,0x51,0x31,0x51,0x34,/仍然撿盡寒枝不肯安歇微帶著后悔0x21,0x31,0x51,0x31,0x21,0x11,0x61,0x21,0x16,/寂寞沙洲我該思念誰(shuí)0xff;/ 簡(jiǎn) 譜 音 調(diào) 對(duì) 應(yīng) 的 定 時(shí) 器 初 值/適合11.0592M 的晶振uchar code cuzhi=0xff,0xff,/ 占位0xFC,0x8E,中央 C 調(diào) 1-70xFC,0xED,0xFD,0x43,0xFD,0x6A,0xFD,0xB3,0xFD,0xF3,0xFE,0x2D,0xFE,0x47,/高八度 1-70xFE

32、,0x76,0xFE,0xA1,0xFE,0xC7,0xFE,0xD9,0xFE,0xF9,0xFF,0x16;uchar yinyue=0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0x0,0x0;/將音調(diào)轉(zhuǎn)化為對(duì)應(yīng)的 LED 樣式void delay1(uint z); /延時(shí) 1MSvoid delay(ui nt z); / 延時(shí) 165MS,即十六分音符 void song();void beep();蜂鳴器叫一聲main() uchar x;cou nt1=O;流水燈無(wú)花樣cou nt2=1;唱第一首歌P34=0;選取矩陣鍵盤(pán)的一列EA=

33、 1 ;/開(kāi)總中斷EX0=1;開(kāi)外部中斷0IT0=1;外部中斷0下降沿觸發(fā)方式EX1 = 1;開(kāi)外部中斷1IT1 = 1;外部中斷1下降沿觸發(fā)方式TMOD=0x01;/ 定時(shí)器 0工作在方式 1TH0=0;TL0=0;ET0=1;while(1)if(count1!=0)switch(count1)case 1:for(x=0;x<14;x+)duan=1;P1=huayang1x; beep(); delay1(300); duan=0;if(count1!=1) break;break;case 2:for(x=0;x<14;x+)duan=1;P1=huayang2x; beep(); delay1(300); duan=0;if(count