資源簡介
本設計是基于單片機開發電子琴有七個中音和一個高音和一個音樂播放鍵.
代碼片段和文件信息
#include
#include?
#include //?DING?YI?WAIBU?DIZHI
#define?uchar?unsigned?char
#define?uint?unsigned?int
sbit?speaker=P3^3;
sbit?du=P3^2;
sbit?music_aj=P3^0;
#define?PA?XBYTE[0xff7c]
#define?PB?XBYTE[0xff7d]
#define?PC?XBYTE[0xff7e]
#define?CTROL?XBYTE[0xff7f]
uchar?code?freq[36*2]={????//YINJIE?MA?BIAO
0xf70xd8?//440hz??1????//0
0xf80x50?//466hz??1#???//1
0xf80xbc?//494hz??2????//2
0xf90x26?//524hz??2#???//3
0xf90x85?//554hz??3????//4
0xf90xe5?//588hz??4????//5
0xfa0x3d?//622hz??4#???//6
0xfa0x92?//660hz??5????//7
0xfa0xdd?//698hz??5#???//8
0xfb0x29?//740hz??6????//9
0xfb0x70?//784hz??6#???//10
0xfb0xb0?//830hz??7????//11
0xfb0xef?//880hz??1????//12
?屬性????????????大小?????日期????時間???名稱
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?????文件???????6343??2009-07-11?20:35??基于單片機開發的電子琴\shiyan2.c
?????文件?????130043??2009-07-11?20:35??基于單片機開發的電子琴\實驗2.DSN
?????目錄??????????0??2009-07-11?22:33??基于單片機開發的電子琴
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???????????????136386????????????????????3
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