【正文】 30,0x80,0x20,0x30,0x1C,0x10,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00}。 //解碼后數(shù)據(jù)uchar disp[2]。uchar irdata[33]。//數(shù)碼管顯示編碼uchar irtime,startflag,bitnum,irreceok,irprocok,shuaxin,n。參考文獻[1] 張毅剛．MCS51單片機應(yīng)用設(shè)計．哈爾濱：哈爾濱工業(yè)大學(xué)出版社，2003[2] 求是科技．8051系列單片機C程序設(shè)計完全手冊．北京：人民郵電出版社，2006[3] 李升．單片機原理與接口技術(shù)．北京：北京大學(xué)出版社，2011附錄1 整體電路圖及實物圖附錄2 電路元件1單片機AT89S521片2鎖存器74HC5731片3三八譯碼器74HC1381片4達林頓晶體管ULN20031片5紅外一體接收頭SM00381個6電容30PF2個7電容1041個8電解電容10UF2個9電阻10K1個10電阻1002個11排阻10K1個12晶振12MHz1個13兩位共陰數(shù)碼管1個14蜂鳴器1個15按鍵1個附錄3 程序源碼includedefine uchar unsigned chardefine uint unsigned intsbit FM=P2^3。并且，培養(yǎng)了我查閱參考書和獨立思考的能力。加深了我對組合邏輯電路、時序邏輯電路以及單片機程序設(shè)計方面的認(rèn)識，也進一步增進了對一些常見邏輯器件的了解。結(jié)論通過此次課程設(shè)計，我對單片機的相關(guān)知識有了進一步的了解和認(rèn)識，在單片機外圍電路的設(shè)計過程中也學(xué)到了許多課本上沒有的知識，并且學(xué)會了使用Proteus仿真軟件，可以讓我們在虛擬的環(huán)境中進行仿真，可以先通過它來檢驗電路的正確性和程序的可行性，而不需要真實電路環(huán)境的介入，不必顧及儀器設(shè)備的短缺與環(huán)境的限制，能夠極大的提高實驗的效率。(6) 按下音量“+”，對應(yīng)碼值05，數(shù)碼管顯示05，蜂鳴器播放曲目2，實現(xiàn)播放時更換曲目。(5) 按下頻道“+”，對應(yīng)碼值02，數(shù)碼管顯示02，蜂鳴器暫停播放曲目2。(4) 按下頻道“+”，對應(yīng)碼值02，數(shù)碼管顯示02，蜂鳴器暫停播放曲目2。(2)按下數(shù)字鍵1，對應(yīng)碼值17，數(shù)碼管顯示17，蜂鳴器工作，實現(xiàn)播放曲目1：祝你平安。 //關(guān)閉位選}void main(){ while(1) { display()。 //數(shù)據(jù)管位選 delay_50us(2)。 //關(guān)閉位選 P0=table[disp[1]]。 //數(shù)據(jù)管位選 delay_50us(2)。 //取出ircode中的兩位“數(shù)據(jù)碼”}void display(void) //數(shù)碼管顯示函數(shù){ P0=table[disp[0]]。 //送往數(shù)碼管的數(shù)void irwork(void) //把解碼后的數(shù)據(jù)轉(zhuǎn)成16進制的兩位數(shù){ disp[0]=ircode[2]/16。 //長度加1}數(shù)碼管顯示紅外解碼值源碼如下：define uchar unsigned charuchar table[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}。 TL0 = 0x00。 //定時器初始化 while(1) { play(0)。 break。 delay_50us(temp1)。 TR0 = 1。 } else if (temp1 == 0x00) //歌曲結(jié)束符 { return。 if (temp1 == 0xFF) //休止符 { TR0 = 0。 //中斷計數(shù)清0 addr = i * 217。 uint addr。 //定時10ms TL0 = 0x00。 //定時器0 定時方式1 IE = 0x82。j)。t) { for(j=19。 for(。unsigned char code song[] ={ //祝你平安0x26,0x20,0x20,0x20,0x20,0x20,0x26,0x10,0x20,0x10,0x20,0x80,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x30,0x10,0x30,0x80,0x26,0x20,0x20,0x20,0x20,0x20,0x1c,0x20,0x20,0x80,0x2b,0x20,0x26,0x20,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x80,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x60,0x40,0x10,0x39,0x10,0x26,0x20,0x30,0x20,0x30,0x20,0x39,0x10,0x26,0x10,0x26,0x80,0x26,0x20,0x2b,0x10,0x2b,0x10,0x2b,0x20,0x30,0x10,0x39,0x10,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x20,0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x40,0x26,0x20,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x1c,0x20,0x1c,0x20,0x1c,0x20,0x30,0x20,0x30,0x60,0x39,0x10,0x30,0x10,0x20,0x20,0x2b,0x10,0x26,0x10,0x2b,0x10,0x26,0x10,0x26,0x10,0x2b,0x10,0x2b,0x80,0x18,0x20,0x18,0x20,0x26,0x20,0x20,0x20,0x20,0x60,0x26,0x10,0x2b,0x20,0x30,0x20,0x30,0x20,0x1c,0x20,0x20,0x20,0x20,0x80,0x26,0x20,0x30,0x10,0x30,0x10,0x30,0x20,0x39,0x20,0x26,0x10,0x2b,0x10,0x2b,0x20,0x2b,0x40,0x40,0x10,0x40,0x10,0x20,0x10,0x20,0x10,0x2b,0x10,0x26,0x30,0x30,0x80,0x00, //八月桂花遍地開0x18,0x30,0x1C,0x10,0x20,0x40,0x1C,0x10,0x18,0x10,0x20,0x10,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,0x20,0x1C,0x20,0x18,0x20,0x20,0x80,0xFF,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0xFF,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x20,0x1C,0x10,0x18,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x80,0x20,0x30,0x1C,0x10,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x15,0x1F,0x05,0x20,0x10,0x1C,0x10,0x20,0x20,0x26,0x20,0x2B,0x20,0x30,0x20,0x2B,0x40,0x20,0x30,0x1C,0x10,0x18,0x20,0x15,0x20,0x1C,0x20,0x20,0x20,0x26,0x40,0x20,0x20,0x2B,0x20,0x26,0x20,0x20,0x20,0x30,0x30,0x20,0x30,0x1C,0x10,0x18,0x40,0x1C,0x20,0x20,0x20,0x26,0x40,0x13,0x60,0x18,0x20,0x15,0x40,0x13,0x40,0x18,0x80,0x00}。顯示電路的74HC573用于數(shù)碼管的驅(qū)動，74HC138用于數(shù)碼管動態(tài)掃描時的位選，蜂鳴器播放音樂源碼如下：define uchar unsigned chardefine uint unsigned intsbit FM=P2^3。本設(shè)計中歌曲的音符存在一個數(shù)組中，以在開始位置和在中間位置播放不同的曲目。其中每個音符使用兩個字節(jié)表示：低位字節(jié)（偶地址）代表音