发布时间:2022-08-19 13:35
在中断的时候降了一个调,一开始没发现后面也懒得改了。
unsigned int code FreqTable[]=
{
63628,63731,63835,63928,64021,64103,64185,64260,64331,64400,64463,64528,//1
64580,64633,64684,64732,64777,64820,64860,64898,64934,64968,65000,65030,
65058,65085,65110,65134,65157,65178,65198,65217,65235,65252,65268,65283,
0
};
unsigned char select,MusicSelect;
unsigned char code Music[]=
{
12,
12,
19,
19,
21,
21,
19,
17,
17,
16,
16,
14,
14,
12,
16,
16,
15,
15,
14,
14,
13,
16,
16,
14,
14,
12,
16,
16,
15,
15,
14,
14,
13,
12,
12,
19,
19,
21,
21,
19,
17,
17,
16,
16,
14,
14,
12,
};
Timer0_Init();
while(1)
{
for(i=0;i<=20;i++)
{
select=Music[MusicSelect];
MusicSelect++;
Delay(500);
TR0=0;
Delay(5);
TR0=1;
}
}
}
void Timer0_Routine() interrupt 1
{
if(FreqTable[select])
{
TL0 = FreqTable[select]%256;
TH0 = FreqTable[select]/256;
Buzzer = !Buzzer;
}
}