📄 msp430读写擦除flash程序 - 飞雪博客.mht
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<H2 class=3DContentAuthor>=E4=BD=9C=E8=80=85:=E9=A3=9E=E9=9B=AA =
=E6=97=A5=E6=9C=9F:2009-03-11</H2></DIV>
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<DIV id=3DlogPanel=20
class=3DContent-body><BR>1-=E7=AE=80=E4=BB=8B<BR> =
MSP430=E5=8D=95=E7=89=87=E6=9C=BA=E5=AF=B9=E7=89=87=E5=86=85FLASH=E7=9A=84=
=E8=AF=BB=E5=86=99=E6=93=8D=E4=BD=9C=E7=A8=8B=E5=BA=8F=E8=8C=83=E4=BE=8B=E3=
=80=82<BR><BR>2-=E7=A8=8B=E5=BA=8F=E4=BE=8B=E7=A8=8B<BR>//***************=
***************************************************************<BR><BR>//=
=20
=E5=8F=82=E6=95=B0=EF=BC=9A wAddr =E4=B8=BA=E5=9C=B0=E5=9D=80 , =
=E8=8C=83=E5=9B=B4 0x1000~0xFFFF<BR><BR>void ReadFlash(U16 wAddr,U8 =
*bBuf,U8=20
bLen) <BR>{ <BR> while (bLen--) <BR> =
*bBuf++=3D*(U8 *)wAddr++; <BR> return; <BR>} <BR><BR>void=20
WriteFlash(U16 wAddr,U8 *bBuf,U8 bLen) <BR>{ =
<BR> U8=20
reg1,reg2;=20
<BR><BR> reg1=3D_BIC_SR(GIE);<BR><BR> &=
nbsp; reg2=3DIE1;IE1=3D0; &=
nbsp; =20
// =
=E4=BF=9D=E6=8A=A4=E5=8E=9F=E6=9D=A5=E4=B8=AD=E6=96=AD=E6=A0=87=E5=BF=97=EF=
=BC=8C=E5=B9=B6=E5=85=B3=E9=97=AD=E6=9C=89=E5=85=B3=E4=B8=AD=E6=96=AD=E3=80=
=82<BR> <BR> //=20
=E5=86=99=E4=B8=80=E4=B8=AA=E5=AD=97=E8=8A=82=E6=95=B0=E6=8D=AE=E5=88=B0=E6=
=8C=87=E5=AE=9Aflash=E5=9C=B0=E5=9D=80 <BR> while =
(bLen--)=20
<BR> { =
<BR> while=20
(FCTL3&BUSY); &n=
bsp; =20
// =
=E7=AD=89=E5=BE=85=E4=BB=A5=E5=89=8DFLASH=E6=93=8D=E4=BD=9C=E5=AE=8C=E6=88=
=90 <BR> FCTL3 =3D=20
FWKEY; =
<BR> FCTL1=20
=3DFWKEY+WRT; =
=20
// =E5=8F=91=E9=80=81=E5=86=99flash=E5=91=BD=E4=BB=A4 =
<BR> *(U8=20
*)wAddr++=3D*bBuf &n=
bsp; //=20
=E5=86=99=E6=95=B0=E6=8D=AE=E5=88=B0=E6=8C=87=E5=AE=9A=E7=9A=84flash=E5=9C=
=B0=E5=9D=80=20
<BR><BR> while(FCTL3&BUSY); &=
nbsp; &n=
bsp;//=20
=E7=AD=89=E5=BE=85=E5=86=99=E6=93=8D=E4=BD=9C=E5=AE=8C=E6=88=90 =
<BR> FCTL1 =3D=20
FWKEY; <BR> &nb=
sp; FCTL3=20
=3D=20
FWKEY+LOCK; &n=
bsp; =20
// =
=E5=AF=B9FLASH=E5=86=85=E5=AE=B9=E8=BF=9B=E8=A1=8C=E5=8A=A0=E9=94=81=E4=BF=
=9D=E6=8A=A4<BR> } =
<BR><BR> =20
if(reg1&GIE) _BIS_SR(GIE); //=20
=E6=81=A2=E5=A4=8D=E4=B8=AD=E6=96=AD=E6=A0=87=E5=BF=97<BR> &nb=
sp; IE1=3Dreg2;  =
; <BR> <BR> &nbs=
p;return;=20
<BR>}<BR><BR>void EraseSectorFlash(U16 wAddr) <BR>{=20
<BR> U8 reg1,reg2;=20
<BR> <BR> reg1=3D_BIC_SR(GIE);<BR> =
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