c51單片機(jī)課程設(shè)計(jì)——電子琴-文庫(kù)吧
2025-05-17 09:16 本頁(yè)面
【正文】 序設(shè)計(jì)： 本系統(tǒng)的 程序 流程圖如下： 開(kāi)始 模塊初始化 音樂(lè)控制按鍵是否按下？ 播放音樂(lè) 音符按鍵是否按下？ 播放音符按鍵所對(duì)應(yīng)的音符 終止 1 程序如下 ： include define uchar unsigned char define uint unsigned int sbit kongzhi=P1^1。 sbit fm=P1^0。 //蜂鳴器輸出的 IO口 uchar timeh,timel,i=8,t。 //timeh， timel為定時(shí)器高低 4位， i為演奏音符個(gè)數(shù) uchar code yinyue[]={ 0x63,0x71,0x83,0x71,0x82,0xA2,0x76,0x32,0x32,0x63,0x51,0x62,0x82,0x54,0x32,0x32,0x42,0x32,0x42,0x11, 0x32,0x81,0x81,0x81,0x73,0x41,0x41,0x71,0x74,0x63,0x71,0x83,0x71,0x82,0xA2,0x74,0x31,0x31,0x63,0x51,0x62,0x82, 0x54,0x31,0x42,0x83,0x71,0x71,0x83,0x91,0x91,0xA1,0x82,0x83,0x71,0x61,0x61,0x72,0x51,0x66,0xff}。 //簡(jiǎn)譜 //17代表中音 do~si,8代表 高音 do uchar code yinfu[]={0x11,0x21,0x31,0x41,0x51,0x61,0x71,0x81,0xff}。 // 簡(jiǎn) 譜 音 調(diào) 對(duì) 應(yīng) 的 定 時(shí) 器 初 值 uchar code cuzhi[]={ 0xff,0xff, //占位符 0xFC,0x44,0xFC,0xAD,0xFD,0x0A,0xFD,0x34,0xFD,0x83,0xFD,0xC8,0xFE,0x06, //中音 do~si的 T計(jì)數(shù)初值 0xFE,0x22,0xFE,0x57,0xFE,0x85,0xFE,0x9B,0xFE,0xC2,0xFE,0xE4,0xFF,0x03}。 //高音 do的 T計(jì)數(shù)初值 void delay1ms(unsigned int ms)。 //延時(shí) ms毫秒子程序 vo
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