微機(jī)與接口技術(shù)課程設(shè)計(jì)音樂(lè)發(fā)生器實(shí)驗(yàn)-wenkub.com
2025-05-28 18:02 本頁(yè)面
【正文】 這次課程設(shè)計(jì)能夠順利的完成，當(dāng)然有我個(gè)人的努力，當(dāng)同時(shí)也離不開(kāi)指導(dǎo)老師的答疑解惑。}5 課程設(shè)計(jì)的總結(jié)與體會(huì)通過(guò)這次課程設(shè)計(jì)使我充分理解了8253和8255兩個(gè)芯片的工作原理，知道了音樂(lè)發(fā)聲器的硬件和軟件的實(shí)現(xiàn)過(guò)程，并且通過(guò)自己動(dòng)手編寫(xiě)的程序來(lái)控制音樂(lè)發(fā)器的工作，我感到非常有成就感，也鍛煉了我的編程能力。 // 獲取下一個(gè)音頻燈閃爍的數(shù)目 } // 歌曲結(jié)束或按了任意鍵 outportb( 0x303, 0x0c)。 outportb( 0x303, 0x00)。 //printf(%x , ~*pr)。 // 再送高字節(jié) // 以上置8253通道2 的計(jì)數(shù)初值 outportb( 0x303, 0x01)。 // 取歌曲的第一個(gè)時(shí)延 while ( *pFreq amp。 // 置pc6=0 禁止8253通道2的gate引腳 outportb( 0x303, 0x00)。 } }}int Playing(void){ oldhandler = getvect(INTR)。 pr = read(s)。 Playing()。){ s[] = “d:\\”。 pt = nTimeDelay2。239。 pf = nFreq1。 if(c==39。 printf(please choose the song you want to sing\n)。 printf(yifenqian2\n)。 printf(now play music!\n)。 } pp = dd。739。639。539。439。339。239。139。 FILE * fp。void interrupt handler(__CPPARGS){ (*pTimeDelay) 。 // 聲明指向歌曲延時(shí)的指針short int *pFreq。const unsigned long CLK = 1193180。short int nFreq3[] = { //聲明歌曲“香水有毒”的音樂(lè)頻率 196,220,262,262,262,294,330,330,294,262,220,262,196,220,262,262,262,294,330,440,392,330,392,392,330,392,440,440,523,440,392,392,330,294,330,294,294,262,220,220,330,294,294,196,220,262,262,262,294,330,330,294,262,220,262,196,220,262,262,262,294,330,440,392,330,392,392,330,392,440,440,523,440,392,392,330,294,330,294,294,262,220,220,294,262,262,392,440,440,440,330,440,392,392,330,294,262,262,220,262,392,330,330,330,294,262,262,262,262,220,196,392,440,294,392,330,330,440,440,440,440,440,440,392,392,523,588,784,784,784,660,660,523,588,588,588,984,984,984,984,984,392,392,523,523,523,440,523,523,523,440,880,784,523,523,523,523,523,523,523,440,588,523,588,784,784,784,660,660,523,588,588,588,984,984,984,984,984,392,392,523,523,523,440,523,523,523,440,880,784,523,440,523,523,660,660,440,523,588,523,523,523,0}。ifdef __cplusplus define __CPPARGS ...else define __CPPARGSendifshort int nFreq1[] = { //聲明歌曲“美酒加咖啡”的音樂(lè)頻率 196,165,196,220,262,294,330,392,392,440,330,294,262,330,294,294,330,392,330,294,262,220,262,196,220,262,220,196,165,196,220,262,196,196,165,196,220,262,294,330,294,262,294,330,294,330,392,440,392,330,294,262,294,294,330,392,330,294,262,220,196,220,262,294,330,392,294,196,330,294,262,262,294,330,392,294,196,330,294,262,0}。 setvect()。 pf = nFreq4。 } else if(c==39。 pr = read(s)。 Playing()。){ s[] = “d:\\”。 pt = nTimeDelay1。139。 while(c!=39。 printf(xiangshuiyoudu3\n)。 printf(strike ESC to exit\n)。最后關(guān)閉揚(yáng)聲器，恢復(fù)中段向量。然后是就是初始化8255和8253，在通過(guò)一個(gè)while循環(huán)，
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