让蜂鸣器发出7个音阶的程序答:uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//标准音符频率对应的延时表 uchar code HI_LIST[]={0,226,229,232,233,236,238,240,241,242,244,245,246,247,248};uchar code LO_LIST[]={0,4,13,10,20,3,8,6,2,23,5,26,1,4,3};//...
怎么用单片机C语言编写驱动蜂鸣器发出7个音的电路图和程序代码(最好有...答:} ;// 音阶频率表 定时器低八位 code unsigned char FREQL[]={ 0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i 0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,};/*--- uS延...
蜂鸣器(1、2、3、4、5、6、7)哆瑞咪发嗦啊西多,音阶的频率是多少?答:table:;1db82h,01h,81h,94h,84h,0b4h,0a4h,04h,82h,01h,81h,94h,84h,0c4h,0b4h,04h;2db82h,01h,81h,0f4h,0d4h,0b4h,0a4h,94h,0e2h,01h,0e1h,0d4h,0b4h,0c4h,0b4h,04h;3db82h,01h,81h,94h,84h,0b4h,0a4h,04h,82h,01h,81h,94h,84h,0c4h,0b4h,04h;4db...