📄 单片机试验19“叮咚”门铃.mht
字号:
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"> <O:P> =
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN =
style=3D"mso-spacerun: yes"> =20
</SPAN>while(1)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>{<O:P>=20
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> =20
</SPAN>if(P3_7=3D=3D0)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>{<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>for(i=3D10;i>0;i--)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>for(j=3D248;j>0;j--);<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>if(P3_7=3D=3D0)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>{<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>t5hz=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>t7hz=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>tcnt=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>flag=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>stop=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>TR0=3D1;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> &n=
bsp; =20
</SPAN>while(stop=3D=3D0);<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>}<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>}<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>}<O:P>=20
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt">}<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"> <O:P> =
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt">void t0(void) interrupt 1 =
using 0<O:P>=20
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt">{<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN =
style=3D"mso-spacerun: yes"> =20
</SPAN>tcnt++;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN =
style=3D"mso-spacerun: yes"> =20
</SPAN>if(tcnt=3D=3D2000)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>{<O:P>=20
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> =20
</SPAN>tcnt=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> =20
</SPAN>if(flag=3D=3D0)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>{<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>flag=3D~flag;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>}<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>else<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>{<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>stop=3D1;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>TR0=3D0;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>}<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>}<O:P>=20
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN =
style=3D"mso-spacerun: yes"> =20
</SPAN>if(flag=3D=3D0)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> </SPAN>{<O:P>=20
</O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> =20
</SPAN>t7hz++;<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: yes"> =20
</SPAN>if(t7hz=3D=3D3)<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 12pt; mso-line-height-rule: exactly"><SPAN =
lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
style=3D"mso-spacerun: =
yes"> =20
</SPAN>{<O:P> </O:P></SPAN></P>
<P class=3DMsoNormal=20
style=3D"LINE-HEIGHT: 1
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -