📄 [技术问答 单片机] 不耗ram的flash读写程序（for msp430）==www_ic37_com.mht
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<P style=3D"TEXT-INDENT: 2em">{</P>
<P style=3D"TEXT-INDENT: 2em">if(i=3D=3DAddress)</P>
<P style=3D"TEXT-INDENT: 2em">{</P>
<P style=3D"TEXT-INDENT: 2em">*Flash_ptrA++ =
=3DFData.Bytes.BHH;//=20
Save Data</P>
<P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
<P style=3D"TEXT-INDENT: 2em">*Flash_ptrA++ =
=3DFData.Bytes.BHL;//=20
Save Data</P>
<P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
<P style=3D"TEXT-INDENT: 2em">*Flash_ptrA++ =
=3DFData.Bytes.BLH;//=20
Save Data</P>
<P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
<P style=3D"TEXT-INDENT: 2em">*Flash_ptrA++ =
=3DFData.Bytes.BLL;//=20
Save Data</P>
<P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
<P style=3D"TEXT-INDENT: 2em">}</P>
<P style=3D"TEXT-INDENT: 2em">else</P>
<P style=3D"TEXT-INDENT: 2em">{</P>
<P style=3D"TEXT-INDENT: 2em">*Flash_ptrA++ =3D =
*Flash_ptrB++;//=20
=
=BB=D6=B8=B4Flash=C4=DA=B5=C4=C6=E4=CB=FB=CA=FD=BE=DD</P>
<P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
<P style=3D"TEXT-INDENT: 2em">}</P>
<P style=3D"TEXT-INDENT: 2em">}</P>
<P style=3D"TEXT-INDENT: 2em">FCTL1 =3D FWKEY;// Clear =
WRT bit</P>
<P style=3D"TEXT-INDENT: 2em">FCTL3 =3D FWKEY + =
LOCK;// Set LOCK=20
bit</P>
<P style=3D"TEXT-INDENT: 2em">} </P>
<P=20
style=3D"TEXT-INDENT: =
2em">//------------------------------------------------------------------=
----------------------------</P>
<P style=3D"TEXT-INDENT: 2em">float Flash_ReadFloat =
(unsigned=20
char Address)</P>
<P style=3D"TEXT-INDENT: 2em">{</P>
<P style=3D"TEXT-INDENT: 2em">unsigned char =
*Flash_ptrA;//=20
Segment A pointer</P>
<P style=3D"TEXT-INDENT: 2em">union FloatChar =
Data;</P>
<P style=3D"TEXT-INDENT: 2em">Flash_ptrA =3D (unsigned =
char *)=20
FLASH_SAVEADDR;// Initialize Flash segment A =
pointer</P>
<P style=3D"TEXT-INDENT: =
2em">Flash_ptrA+=3DAddress;</P>
<P style=3D"TEXT-INDENT: =
2em">Data.Bytes.BHH=3D*Flash_ptrA++;</P>
<P style=3D"TEXT-INDENT: =
2em">Data.Bytes.BHL=3D*Flash_ptrA++;</P>
<P style=3D"TEXT-INDENT: =
2em">Data.Bytes.BLH=3D*Flash_ptrA++;</P>
<P style=3D"TEXT-INDENT: =
2em">Data.Bytes.BLL=3D*Flash_ptrA++;</P>
<P style=3D"TEXT-INDENT: 2em">return(Data.Float);</P>
<P style=3D"TEXT-INDENT: 2em">}</P>
<P style=3D"TEXT-INDENT: 2em">#endif</P>
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<TD height=3D22 width=3D"74%">=A1=A4<A =
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<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
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=BB=D6=AA=B5=C0=CA=C7..</A> </TD>
<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A =
title=3D"[=B5=A5=C6=AC=BB=FA] =
=F5=E8=F5=CE=B5=C4=CE=CA=CC=E2,=C7=F3=B4=F3=CF=C0=B0=EF=C3=A6."=20
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=A6.</A> </TD>
<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
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<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A =
title=3D"[=B5=A5=C6=AC=BB=FA] =
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=CB=A3=A1=A3=A1</A> </TD>
<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
=C7=EB=BD=CC=B8=F6LED =
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=CF=D4=CA=BE=CE=CA=CC=E2=A3=AC=CF=C8..</A> </TD>
<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A =
title=3D"[=B5=A5=C6=AC=BB=FA] =
=C7=EB=BD=CC=D2=BB=B8=F6=BF=B9=B8=C9=C8=C5=CE=CA=CC=E2=B0=A1"=20
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href=3D"http://www.ic37.com/htm_bbs_dic/2006-12/27368_214402.htm"=20
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=A1</A> </TD>
<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
=CC=D6=C2=DB=B9=D8=D3=DAISP=CF=C2=D4=D8=CF=DF=B3=A4=B6=C8=CE=CA=CC=E2"=20
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target=3D_blank>=CC=D6=C2=DB=B9=D8=D3=DAISP=CF=C2=D4=D8=CF=DF=B3=A4=B6=C8=
=CE=CA=CC=E2</A> </TD>
<TD width=3D"26%">2006-12-6</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
AT24C02B=B5=C4=CE=CA=CC=E2=A3=AC=B8=F7=C2=B7=C0=CF=B4=F3=BE=C8=BC=B1=A1=AD=
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target=3D_blank>AT24C02B=B5=C4=CE=CA=CC=E2=A3=AC=B8=F7..</A> </TD>
<TD width=3D"26%">2006-12-7</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
at88sc102=BF=A8=C3=DC=C2=EB=D7=DC=CA=C7=A3=A8=D4=DA=CF=DF=B5=C8=B4=FD=A3=A9=
"=20
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target=3D_blank>at88sc102=BF=A8=C3=DC=C2=EB=D7=DC..</A> </TD>
<TD width=3D"26%">2006-12-7</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
=C3=E2=B7=D1=C9=EA=C7=EBMCU=B5=C4=B0=E9=C2=C2=A3=AD=A3=C6=A3=D2=A3=C1=A3=CD=
=B5=C4 =D1=F9=C6=AC"=20
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href=3D"http://www.ic37.com/htm_bbs_dic/2006-12/27374_922004.htm"=20
=
target=3D_blank>=C3=E2=B7=D1=C9=EA=C7=EBMCU=B5=C4=B0=E9=C2=C2=A3=AD=A3=C6=
=A3=D2..</A> </TD>
<TD width=3D"26%">2006-12-7</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
=BD=D3=B8=F6=C9=CF=C0=AD=B5=E7=D7=E8 =B0=D1AVR IO =
=B5=B151=D3=C3=D0=D0=C2=F0"=20
=
href=3D"http://www.ic37.com/htm_bbs_dic/2006-12/27375_373271.htm"=20
=
target=3D_blank>=BD=D3=B8=F6=C9=CF=C0=AD=B5=E7=D7=E8 =B0=D1AVR =
I..</A> </TD>
<TD width=3D"26%">2006-12-7</TD></TR>
<TR>
<TD height=3D22 width=3D"74%">=A1=A4<A=20
title=3D"[=B5=A5=C6=AC=BB=FA] =
stc=CF=FA=CA=DB=D0=A1=BD=E3=C8=C3=CE=D2=D4=CE=B5=B9=A1=A3=A1=A3=A1=A3=A1=A3=
=A1=A3=A1=A3"=20
=
href=3D"http://www.ic37.com/htm_bbs_dic/2006-12/27377_275805.htm"=20
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target=3D_blank>stc=CF=FA=CA=DB=D0=A1=BD=E3=C8=C3=CE=D2=D4=CE=B5=B9=A1=A3=
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