📄 msp430读写flash的问题，掉电再读就全变成1 (www_ourdev_cn).mht
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<TD width=3D"81%" align=3Dleft><SPAN class=3Df06><FONT=20
=
color=3D#ffffff>MSP430=B6=C1=D0=B4FLASH=B5=C4=CE=CA=CC=E2=A3=AC=B5=F4=B5=E7=
=D4=D9=B6=C1=BE=CD=C8=AB=B1=E4=B3=C91</FONT></SPAN> </TD>
<TD width=3D"19%" align=3Dmiddle><SPAN class=3Df06><FONT=20
color=3D#ffffff>=BB=D8=B8=B4=CA=FD=A3=BA</FONT><FONT =
color=3D#ffffff>3</FONT>,=B5=E3=BB=F7=CA=FD=A3=BA149</FONT>=20
</SPAN></TD></TR></TBODY></TABLE>
<TABLE style=3D"TABLE-LAYOUT: fixed; WORD-BREAK: break-all" border=3D0 =
cellSpacing=3D0=20
cellPadding=3D6 width=3D"100%">
<TBODY>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #ffffff 0.5pt solid; BORDER-LEFT: #bbbbbb =
0.5pt solid; BORDER-TOP: #ffffff 0.5pt solid; BORDER-RIGHT: #ffffff =
0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dtop rowSpan=3D2 width=3D"19%" =
align=3Dleft>=A1=BE=C2=A5=D6=F7=CE=BB=A1=BF <FONT =
color=3D#000000>oakpc </FONT><BR>=BB=FD=B7=D6=A3=BA<FONT=20
color=3D#000000>76</FONT><BR>=C5=C9=B1=F0=A3=BA<FONT =
color=3D#000000></FONT><BR>=B5=C8=BC=B6=A3=BA<FONT=20
color=3D#000000>------</FONT><BR>=C0=B4=D7=D4=A3=BA<FONT =
color=3D#000000></FONT><BR></TD>
<TD=20
style=3D"BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; =
BORDER-TOP: #ffffff 0.5pt solid; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dtop width=3D"81%"><FONT=20
=
color=3D#000000>=B6=C1=D0=B4FLASH=B5=C4=CE=CA=CC=E2=A3=AC=B5=F4=B5=E7=D4=D9=
=B6=C1=BE=CD=C8=AB=B1=E4=B3=C91=20
<BR><BR>#include <msp430x16x.h> =20
=
<BR><BR>unsigned char writebuff[4]=3D{0x01,0x02,0x04,0x08=
}; //=D3=C3=D3=DA=B4=E6=B7=C5=B1=BB=CA=FD=D7=E9 =20
<BR>unsigned char readbuff[4]; =20
<BR><BR>void erase_SegB(void); =20
<BR>void read_SegB(unsigned char *readbuff); =20
=
<BR>void write_SegB(unsigned char *writebuff); =20
<BR>void main( void ) <BR>{ =20
=
<BR> WDTCTL =3D WDTPW + WDTHOLD; &nbs=
p;  =
; =
//=B9=D8=B1=D5=BF=B4=C3=C5=B9=B7 =20
=
<BR> FCTL2 =3D FWKEY + FSSEL0 + =
FN0; =20
=
<BR><BR> erase_SegB(); &nbs=
p; //=B5=F4=B5=
=E7=BA=F3=A3=AC//=D7=A2=CA=CD=B4=CB=BA=AF=CA=FD =20
=
<BR> write_SegB(writebuff);  =
; //=B5=F4=B5=E7=BA=F3=A3=AC//=D7=A2=CA=CD=B4=CB=BA=AF=CA=FD&n=
bsp; =D6=D8=D0=C2=CF=C2=D4=D8=B3=CC=D0=F2=A3=AC=B6=C1=B3=F6=C8=AB=CA=
=C71 =20
<BR> read_SegB(readbuff); =
<BR> while(1); =20
<BR>} <BR><BR>void erase_SegB(void) <BR>{ =20
=
<BR> char *Flash_ptrB;  =
; =
=20
<BR> =20
=
<BR> Flash_ptrB =3D (char *) 0x01080; =
;=20
=
<BR> FCTL1 =3D FWKEY + ERASE ; &=
nbsp; &n=
bsp; &nb=
sp; //=D4=CA=D0=ED=B6=CE=B2=C1=B3=FD =20
<BR> FCTL3 =3D FWKEY ; =20
=
<BR> *Flash_ptrB =3D 0;  =
; =
&=
nbsp; //=B2=C1=B3=FD =20
<BR>} =20
=
<BR><BR>void read_SegB(unsigned char *readbuff) =20
<BR>{ <BR> char *Flash_ptrB; =20
<BR> unsigned int i; <BR> =20
=
<BR> Flash_ptrB =3D (char *) 0x01080; =
;=20
<BR> =20
<BR> FCTL1 =3D FWKEY; =20
<BR> FCTL3 =3D FWKEY; <BR> =20
=
<BR> for( i =3D0; i < 4; i++&=
nbsp;) =20
<BR> { =20
=
<BR> *readbuff++ =3D *Flash_ptrB++; =
;=20
<BR> } =20
=
<BR> FCTL1 =3D FWKEY; &=
nbsp; &n=
bsp; =20
=
<BR> FCTL3 =3D FWKEY + LOCK; &n=
bsp;=20
<BR>} =20
=
<BR><BR>void write_SegB(unsigned char *writebuff) =20
=
<BR>{ &n=
bsp; =20
=
<BR> char *Flash_ptrB;  =
; =
=20
<BR> unsigned int i; =20
=
<BR><BR> Flash_ptrB =3D (char *) 0x01080;&=
nbsp;=20
=
<BR><BR> FCTL1 =3D FWKEY + WRT;  =
; =20
<BR> FCTL3 =3D FWKEY; <BR> =20
=
<BR> for( i =3D0; i < 4; i++&=
nbsp;) =20
<BR> { =20
=
<BR> *Flash_ptrB++ =3D *writebuff++;&nbs=
p;=20
<BR> } =20
=
<BR> FCTL1 =3D FWKEY; &=
nbsp; &n=
bsp; =20
=
<BR> FCTL3 =3D FWKEY + LOCK; &n=
bsp; =20
<BR>} =20
=
<BR><BR>=B5=DA=D2=BB=B4=CE=D4=CB=D0=D0=B3=CC=D0=F2=A3=AC=BF=C9=D2=D4=D0=B4=
=A3=AC=BF=C9=D2=D4=B6=C1=A3=AC=B6=C1=B3=F6=C0=B4=B5=C4=BD=E1=B9=FB=B8=FA=D0=
=B4=C8=EB=B5=C4=D2=BB=D1=F9=A3=AC=D0=DE=B8=C4=B3=CC=D0=F2=BA=F3=A3=AC=D6=BB=
=B6=C1=A3=AC=BE=CD=C8=AB=B1=E4=B3=C91=A3=AC=D5=E2=BE=BF=BE=B9=CA=C7=D4=F5=
=C3=B4=BB=D8=CA=C2?=B3=CC=D0=F2=B4=ED=C1=CB=C2=F0=A3=BF=C7=EB=C7=B0=B1=B2=
=B6=E0=B6=E0=D6=B8=BD=CC=A3=A1=D0=BB=D0=BB=A3=A1=A3=A1=A3=A1 =20
<BR></FONT></TD></TR>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #ffffff 0.5pt solid; BORDER-LEFT: medium =
none; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dbottom>=A1=A1 </TD></TR>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: #bbbbbb =
0.5pt solid; BORDER-TOP: medium none; BORDER-RIGHT: #ffffff 0.5pt solid" =
class=3Df03 bgColor=3D#d1d9e2 width=3D"19%" align=3Dleft><IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D7=20
height=3D1>2009-03-18,18:28:42 </TD>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: medium =
none; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dtop width=3D"81%" ?>
<TABLE width=3D"100%">
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<TD align=3Dleft><IMG =
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src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D7 =
height=3D1>=20
<SPAN class=3Df01>=D3=CA=BC=FE</SPAN> </TD>
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src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D1 height=3D1> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
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<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
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height=3D1> <IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D1 height=3D1> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> <IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D1 height=3D1> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> <SPAN class=3Df01>=B1=E0=BC=AD</SPAN> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<SPAN class=3Df01>=C9=BE=B3=FD</SPAN> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> =
</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
<TABLE style=3D"TABLE-LAYOUT: fixed; WORD-BREAK: break-all" border=3D0 =
cellSpacing=3D0=20
cellPadding=3D6 width=3D"100%">
<TBODY>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: #bbbbbb =
0.5pt solid; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid" =
class=3Df03 bgColor=3D#e8e8e8 vAlign=3Dtop rowSpan=3D2 width=3D"19%" =
align=3Dleft>=A1=BE1=C2=A5=A1=BF=20
<FONT color=3D#000000>xuanyusyj </FONT><BR>=BB=FD=B7=D6=A3=BA<FONT =
color=3D#000000>45</FONT><BR>=C5=C9=B1=F0=A3=BA<FONT =
color=3D#000000></FONT><BR>=B5=C8=BC=B6=A3=BA<FONT=20
color=3D#000000>------</FONT><BR>=C0=B4=D7=D4=A3=BA<FONT =
color=3D#000000></FONT><BR></TD>
<TD=20
style=3D"BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; =
BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#e8e8e8 vAlign=3Dtop width=3D"81%"><FONT=20
=
color=3D#000000>=D0=DE=B8=C4=B3=CC=D0=F2=BA=F3=A3=AC=D6=D8=D0=C2=CF=C2=D4=
=D8FW=A3=ACflash=B1=BB=CF=C2=D4=D8=C8=ED=BC=FE=B8=F8=B2=C1=B3=FD=C1=CB</F=
ONT> </TD></TR>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: medium =
none; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#e8e8e8 vAlign=3Dbottom>=A1=A1 </TD></TR>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: #bbbbbb =
0.5pt solid; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid" =
class=3Df03 bgColor=3D#e8e8e8 width=3D"19%" align=3Dleft><IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D7=20
height=3D1>2009-03-18,18:44:25 </TD>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: medium =
none; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#e8e8e8 vAlign=3Dtop width=3D"81%" ?>
<TABLE width=3D"100%">
<TBODY>
<TR>
<TD align=3Dleft><IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D7 height=3D1> <A class=3Dtt4=20
=
href=3D"http://www.ourdev.cn/bbs/user_information.jsp?user_name=3Dxuanyus=
yj"=20
target=3D_blank>=D7=CA=C1=CF</A> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D7 =
height=3D1>=20
<SPAN class=3Df01>=D3=CA=BC=FE</SPAN> </TD>
<TD align=3Dright><IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D1 height=3D1> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> <IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D1 height=3D1> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> <IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D1 height=3D1> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> <SPAN class=3Df01>=B1=E0=BC=AD</SPAN> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<SPAN class=3Df01>=C9=BE=B3=FD</SPAN> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D1 =
height=3D1>=20
<IMG src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" =
width=3D1=20
height=3D1> =
</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>
<TABLE style=3D"TABLE-LAYOUT: fixed; WORD-BREAK: break-all" border=3D0 =
cellSpacing=3D0=20
cellPadding=3D6 width=3D"100%">
<TBODY>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #ffffff 0.5pt solid; BORDER-LEFT: #bbbbbb =
0.5pt solid; BORDER-TOP: #ffffff 0.5pt solid; BORDER-RIGHT: #ffffff =
0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dtop rowSpan=3D2 width=3D"19%" =
align=3Dleft>=A1=BE2=C2=A5=A1=BF=20
<FONT color=3D#000000>xuanyusyj </FONT><BR>=BB=FD=B7=D6=A3=BA<FONT =
color=3D#000000>45</FONT><BR>=C5=C9=B1=F0=A3=BA<FONT =
color=3D#000000></FONT><BR>=B5=C8=BC=B6=A3=BA<FONT=20
color=3D#000000>------</FONT><BR>=C0=B4=D7=D4=A3=BA<FONT =
color=3D#000000></FONT><BR></TD>
<TD=20
style=3D"BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; =
BORDER-TOP: #ffffff 0.5pt solid; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dtop width=3D"81%"><FONT=20
=
color=3D#000000>IAR=C9=E8=D6=C3=D2=BB=CF=C2=A3=ACdownload=D6=BB=B8=FC=D0=C2=
main memory</FONT> </TD></TR>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #ffffff 0.5pt solid; BORDER-LEFT: medium =
none; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dbottom>=A1=A1 </TD></TR>
<TR>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: #bbbbbb =
0.5pt solid; BORDER-TOP: medium none; BORDER-RIGHT: #ffffff 0.5pt solid" =
class=3Df03 bgColor=3D#d1d9e2 width=3D"19%" align=3Dleft><IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D7=20
height=3D1>2009-03-18,18:46:42 </TD>
<TD=20
style=3D"BORDER-BOTTOM: #bbbbbb 0.5pt solid; BORDER-LEFT: medium =
none; BORDER-TOP: medium none; BORDER-RIGHT: #bbbbbb 0.5pt solid"=20
class=3Df03 bgColor=3D#d1d9e2 vAlign=3Dtop width=3D"81%" ?>
<TABLE width=3D"100%">
<TBODY>
<TR>
<TD align=3Dleft><IMG =
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif"=20
width=3D7 height=3D1> <A class=3Dtt4=20
=
href=3D"http://www.ourdev.cn/bbs/user_information.jsp?user_name=3Dxuanyus=
yj"=20
target=3D_blank>=D7=CA=C1=CF</A> <IMG=20
src=3D"http://www.ourdev.cn/bbs/images/pixel.gif" width=3D7 =
height=3D1>=20
<SPAN class=3Df01>=D3=CA=BC=FE</SPAN> </TD>
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