📄 msp430读写flash程序 -- duanwenbo2004's blog.mht
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=AE=B5<BR>unsigned char write_buff[4]=3D{0x01,0x03,0x04,0x09};=20
//=E7=94=A8=E4=BA=8E=E5=AD=98=E6=94=BE=E8=A2=AB=E6=95=B0=E7=BB=84<BR>unsi=
gned char=20
checkout[4]; &=
nbsp; &n=
bsp; =20
//=E8=AF=BB=E5=87=BA=E7=BC=93=E5=86=B2=E5=8C=BA,=E7=94=A8=E4=BA=8E=E9=AA=8C=
=E8=AF=81=E7=9A=84</P>
<P>unsigned char num=3D"0";</P>
<P>void flash_erase(unsigned int*);<BR>void read_array(unsigned =
char =20
*pc_byte, unsigned char *array,unsigned char amount);<BR>void=20
write_array(unsigned char *pc_byte,unsigned char *array,unsigned char=20
amount);<BR>//***********************************************************=
*******************<BR>//FLASH=E6=AE=B5=E6=93=A6=E9=99=A4<BR>void=20
flash_erase(unsigned int *pc_word)<BR>{<BR> while(FCTL3 &=20
BUSY); &=
nbsp; =20
//=E5=A6=82=E6=9E=9C=E5=A4=84=E4=BA=8E=E5=BF=99=E7=8A=B6=E6=80=81=EF=BC=8C=
=E5=88=99=E7=AD=89=E5=BE=85<BR> FCTL3 =3D FWKEY=20
; =
&=
nbsp;=20
//=E6=B8=85=E5=87=BALOCK=E6=A0=87=E5=BF=97=EF=BC=8C=E8=A7=A3=E9=94=81<BR>=
FCTL1 =3D FWKEY + ERASE=20
; =
=20
//=E5=85=81=E8=AE=B8=E6=AE=B5=E6=93=A6=E9=99=A4<BR> *pc_word =3D=20
0;  =
; =
=20
//=E6=93=A6=E9=99=A4..=E6=93=A6=E9=99=A4..<BR> while(FCTL3 & =
BUSY); <BR> FCTL3 =3D FWKEY +=20
LOCK =
; =
=20
//=E5=8A=A0=E9=94=81<BR>}</P>
<P>//********************************************************************=
**********<BR>//=E5=90=91FLASH=E4=BF=A1=E6=81=AF=E5=8C=BA=E8=AF=BB=E5=87=BA=
=E6=8C=87=E5=AE=9A=E6=95=B0=E9=87=8F=E7=9A=84=E5=AD=97=E8=8A=82=E6=95=B0=E6=
=8D=AE<BR>//unsigned=20
int*pc_word =
:=E4=BF=A1=E6=81=AF=E5=8C=BA=E6=95=B0=E6=8D=AE=E6=8C=87=E9=92=88<BR>//uns=
igned char *array =
:=E8=AF=BB=E5=87=BA=E6=95=B0=E6=8D=AE=E5=AD=98=E6=94=BE=E6=95=B0=E6=8D=AE=
=E6=95=B0=E7=BB=84,8=E4=BD=8D=E9=95=BF<BR>//unsigned=20
char amount =
:=E8=AF=BB=E6=93=8D=E7=9A=84=E6=95=B0=E9=87=8F,=E8=8C=83=E5=9B=B40-127<BR=
>void read_array(unsigned char *pc_byte, unsigned=20
char *array,unsigned char amount)<BR>{ unsigned char i;<BR> =20
if(amount<=3D127)<BR> {<BR> =20
for(i=3D0;i<AMOUNT;I++,PC_BYTE ++)<br> =20
{<BR> *array =3D *pc_byte; =
//=E8=AF=BB=E6=95=B0=E6=8D=AE=EF=BC=8C=E8=AF=BB=E6=95=B0=E6=8D=AE=E6=97=B6=
=EF=BC=8Cflash=E5=9C=B0=E5=9D=80=E8=87=AA=E5=8A=A8=E5=8A=A0 1=20
<BR> =20
array++; =
//=E6=8E=A5=E6=94=B6=E7=BC=93=E5=86=B2=E5=8C=BA=E5=9C=B0=E5=9D=80=E5=8A=A0=
=20
1 <BR> }<BR> }<BR>}</P>
<P>//********************************************************************=
**********<BR>//=E5=90=91FLASH=E4=BF=A1=E6=81=AF=E5=8C=BA=E5=86=99=E5=85=A5=
=E6=8C=87=E5=AE=9A=E6=95=B0=E9=87=8F=E7=9A=84=E5=AD=97=E8=8A=82=E6=95=B0=E6=
=8D=AE<BR>//unsigned=20
char *pc_byte =
=E4=BF=A1=E6=81=AF=E5=8C=BA=E6=95=B0=E6=8D=AE=E6=8C=87=E9=92=88<BR>//unsi=
gned char *array =
:=E8=AF=BB=E5=87=BA=E6=95=B0=E6=8D=AE=E5=AD=98=E6=94=BE=E6=95=B0=E6=8D=AE=
=E6=95=B0=E7=BB=84,8=E4=BD=8D=E9=95=BF<BR>//unsigned=20
char amount =
:=E8=AF=BB=E6=93=8D=E7=9A=84=E6=95=B0=E9=87=8F,=E8=8C=83=E5=9B=B40-127<BR=
>void write_array(unsigned char *pc_byte,unsigned=20
char *array, unsigned char amount)<BR>{ unsigned char i;</P>
<P> while(FCTL3 &=20
BUSY); &=
nbsp; =20
//=E5=A6=82=E6=9E=9C=E5=A4=84=E4=BA=8E=E5=BF=99=E7=8A=B6=E6=80=81=EF=BC=8C=
=E5=88=99=E7=AD=89=E5=BE=85<BR> FCTL3 =3D FWKEY=20
; =
=20
//=E6=B8=85=E5=87=BALOCK=E6=A0=87=E5=BF=97<BR> FCTL1 =3D =
FWKEY + WRT=20
; =
=20
//=E5=86=99=E6=93=8D=E4=BD=9C=EF=BC=8C=E5=9D=97=E7=BC=96=E7=A8=8B=EF=BC=8C=
+ BLKWRT;</P>
<P> if(amount<=3D127)<BR> {<BR> =20
for(i=3D0;i<AMOUNT;I++)<BR> { =20
<BR> *pc_byte =3D=20
*array;<BR> //*pc_byte =3D=20
num;<BR> // num =
+=3D1;<BR> =20
array++;  =
; =20
//=E5=8F=91=E9=80=81=E7=BC=93=E5=86=B2=E5=8C=BA=E5=9C=B0=E5=9D=80=E5=8A=A0=
1 <BR> =20
pc_byte++; &nb=
sp; =20
//=E5=86=99flash=E6=97=B6=EF=BC=8C=E5=9C=B0=E5=9D=80=E4=BA=BA=E4=B8=BA=E5=
=8A=A0 1<BR> while(!(FCTL3 &=20
WAIT)); =20
//=E5=A6=82=E6=9E=9C=E5=A4=84=E4=BA=8E=E5=BF=99=E7=8A=B6=E6=80=81=EF=BC=8C=
=E5=88=99=E7=AD=89=E5=BE=85=E3=80=80=EF=BC=8C=E8=8B=A5=E7=94=A8=E8=BD=AF=E4=
=BB=B6=E4=BB=BF=E7=9C=9F=EF=BC=8C=E5=8E=BB=E6=8E=89=E3=80=80=E3=80=80=E3=80=
=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=
=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=E3=80=80=EF=BC=8F=EF=BC=8F=E8=
=BF=99=E8=AF=AD=E5=8F=A5<BR> =20
}<BR> <BR> }<BR> FCTL1 =3D=20
FWKEY; =20
//=E5=86=99=E6=93=8D=E4=BD=9C=E5=AE=8C=E6=88=90=EF=BC=8C=E6=B8=85=E9=99=A4=
=E7=BC=96=E7=A8=8B=E5=85=81=E8=AE=B8=E4=BD=8D =
WRT=EF=BC=8CBLKWRT<BR> while(FCTL3 & BUSY); <BR> FCTL3 =3D =
FWKEY +=20
LOCK;<BR>}<BR>//*********************************************************=
*********************<BR>void=20
main(void)<BR>{ <BR> unsigned char=20
*pc_flash; &nb=
sp; &nbs=
p; =20
//=E5=AE=9A=E4=B9=89=E5=AD=97=E8=8A=82=E6=8C=87=E9=92=88=E5=8F=98=E9=87=8F=
<BR> unsigned int=20
*pc_flash_segment; &=
nbsp; =20
//=E5=AE=9A=E4=B9=89=E6=AE=B5=E5=9C=B0=E5=9D=80=E6=8C=87=E9=92=88=E5=8F=98=
=E9=87=8F</P>
<P> WDTCTL =3D WDTPW + WDTHOLD;<BR> FCTL2 =3D FWKEY + =
FSSEL_1 +=20
FN1; &nb=
sp; =20
//=E5=B7=A5=E4=BD=9C=E9=A2=91=E7=8E=87=E8=AE=BE=E4=B8=BA =
MCLK/3=EF=BC=8C333.3KHZ<BR> _DINT(); <BR> <BR> =20
pc_flash =3D (unsigned char *)=20
FLASH_ADDRESS; =20
//=E4=B8=BA=E6=8C=87=E9=92=88=E5=88=9D=E5=A7=8B=E5=8C=96<BR> =
pc_flash_segment =3D (unsigned int *) FLASH_ADDRESS; =20
<BR>//---------------------------------------------------<BR> =
=20
while(1)<BR> { =20
<BR> flash_erase(=20
pc_flash_segment); &=
nbsp; =20
//=E6=AE=B5=E6=93=A6=E9=99=A4<BR> <BR> =
write_array(pc_flash,=20
write_buff,4);  =
; =20
//=E5=86=99=E5=85=A5=E6=8C=87=E5=AE=9A=E5=AD=97=E8=8A=82=E6=95=B0=E9=87=8F=
<BR> <BR> =20
read_array(pc_flash,&checkout[0],4); &nb=
sp; &nbs=
p; =20
//=E5=86=8D=E8=AF=BB=E5=87=BA=E5=88=9A=E6=89=8D=E5=86=99=E7=9A=84=E5=AD=97=
=E8=8A=82<BR> _NOP();<BR> } <BR> =20
<BR> /*for=20
(;;) &nb=
sp; &nbs=
p; =20
<BR> {<BR> //P1OUT ^=3D =
0x01;<BR> =20
_BIS_SR(LPM3_bits); =
=20
// Enter LPM3<BR> =20
_NOP(); =
&=
nbsp; =20
// Required only for C-spy<BR> }*/<BR>}</P>
<P>// Basic Timer interrupt service routine<BR>#pragma=20
vector=3D"BASICTIMER"_VECTOR<BR>__interrupt void =
BT_ISR(void)<BR>{<BR> P1OUT=20
^=3D=20
0x01; &n=
bsp; =20
// Toggle P5.1 using exclusive-OR<BR>}<BR></P>
<P></P>
<P class=3DTextInfo>=E7=B3=BB=E7=BB=9F=E5=88=86=E7=B1=BB: <A=20
href=3D"http://blog.ednchina.com/10042/Category.aspx">=E5=8D=95=E7=89=87=E6=
=9C=BA</A> | =E7=94=A8=E6=88=B7=E5=88=86=
=E7=B1=BB:=20
<A=20
href=3D"http://blog.ednchina.com/duanwenbo2004/19482/category.aspx">MSP43=
0=E5=8D=95=E7=89=87=E6=9C=BA</A> | =E6=9D=
=A5=E6=BA=90:=20
=E5=8E=9F=E5=88=9B | <A =
id=3DaRecommend=20
href=3D"http://article.ednchina.com/tools/mail.aspx?type=3Dblog&id=3D=
59713">=E3=80=90=E6=8E=A8=E8=8D=90=E7=BB=99=E6=9C=8B=E5=8F=8B=E3=80=91</A=
> | <A=20
id=3Dctl00_ctl00_SkinBody_Content_ContentControl_ctl00_lbAddFavourite=20
href=3D"javascript:__doPostBack('ctl00$ctl00$SkinBody$Content$ContentCont=
rol$ctl00$lbAddFavourite','')">=E3=80=90=E6=B7=BB=E5=8A=A0=E5=88=B0=E6=94=
=B6=E8=97=8F=E5=A4=B9=E3=80=91</A>=20
</P></DIV>
<DIV class=3Dclear></DIV></DIV>
<DIV=20
class=3DDiaryInfo> =E9=98=85=E8=AF=BB(1311) &=
nbsp; =E5=9B=9E=E5=A4=8D(0) =20
</DIV></DIV><!--=E6=8A=95=E7=A5=A8-->
<DIV style=3D"PADDING-BOTTOM: 10px; DISPLAY: none">
<P><A href=3D"http://blog.ednchina.com/duanwenbo2004/59713/"><IMG =
align=3DabsMiddle=20
src=3D"http://blog.ednchina.com/images/vote.gif"></A><SPAN=20
style=3D"PADDING-LEFT: =
15px">=E6=8A=95=E4=B8=80=E7=A5=A8=E6=82=A8=E5=B0=86=E5=92=8C=E5=8D=9A=E4=B8=
=BB=E9=83=BD=E6=9C=89=E8=8E=B7=E5=A5=96=E6=9C=BA=E4=BC=9A=EF=BC=81</SPAN>=
</P></DIV>
<DIV id=3DComment>
<DIV id=3DCommentTitle>
<H2 style=3D"FLOAT: left">=E6=9C=80=E6=96=B0=E8=AF=84=E8=AE=BA =
</H2></DIV>
<DIV class=3DContent>
<UL></UL></DIV>
<DIV class=3DFillIn><A name=3Dfeedback>
<TABLE style=3D"MARGIN-LEFT: 30px" id=3Dsimplyreply>
<TBODY>
<TR>
<TD><SPAN style=3D"MARGIN-RIGHT: 30px">=E6=A0=87=E9=A2=98</SPAN> =
<SPAN><INPUT=20
style=3D"WIDTH: 350px"=20
=
id=3Dctl00_ctl00_SkinBody_Content_SimplyReplyControl_SubjectControl=20
value=3Dre:MSP430=E8=AF=BB=E5=86=99flash=E7=A8=8B=E5=BA=8F =
type=3Dtext=20
=
name=3Dctl00$ctl00$SkinBody$Content$SimplyReplyControl$SubjectControl></S=
PAN>=20
</TD></TR>
<TR>
<TD><SPAN style=3D"MARGIN-RIGHT: 30px">=E5=A7=93=E5=90=8D</SPAN> =
<SPAN><INPUT=20
style=3D"WIDTH: 350px"=20
=
id=3Dctl00_ctl00_SkinBody_Content_SimplyReplyControl_UserNameControl=20
type=3Dtext=20
=
name=3Dctl00$ctl00$SkinBody$Content$SimplyReplyControl$UserNameControl></=
SPAN>=20
<SPAN style=3D"VISIBILITY: hidden; COLOR: red"=20
=
id=3Dctl00_ctl00_SkinBody_Content_SimplyReplyControl_RequiredFieldValidat=
or2>=E5=BF=85=E5=A1=AB</SPAN>=20
</TD></TR>
<TR>
<TD><SPAN style=3D"MARGIN-RIGHT: 30px">=E4=B8=BB=E9=A1=B5</SPAN> =
<SPAN><INPUT=20
style=3D"WIDTH: 350px"=20
=
id=3Dctl00_ctl00_SkinBody_Content_SimplyReplyControl_HomePageControl=20
type=3Dtext=20
=
name=3Dctl00$ctl00$SkinBody$Content$SimplyReplyControl$HomePageControl></=
SPAN>=20
</TD></TR>
<TR>
<TD style=3D"PADDING-LEFT: 64px"><TEXTAREA style=3D"WIDTH: 350px; =
HEIGHT: 200px" =
id=3Dctl00_ctl00_SkinBody_Content_SimplyReplyControl_ContentControl =
rows=3D2 cols=3D20 =
name=3Dctl00$ctl00$SkinBody$Content$SimplyReplyControl$ContentControl></T=
EXTAREA>=20
</TD></TR>
<TR>
<TD><SPAN style=3D"MARGIN-LEFT: =
11px">=E9=AA=8C=E8=AF=81=E7=A0=81=EF=BC=9A</SPAN><INPUT style=3D"WIDTH: =
50px"=20
=
id=3Dctl00_ctl00_SkinBody_Content_SimplyReplyControl_EnterCodeControl=20
maxLength=3D4 type=3Dtext=20
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