📄 [技术问答单片机] 不耗ram的flash读写程序（for msp430）==www_ic37_com.mht

📁 介绍430的flash读写的代码,是几篇网页文件资料
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      <TABLE border=3D0 cellSpacing=3D1 cellPadding=3D0 width=3D"99%" =
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      align=3Dcenter>
        <TBODY>
        <TR>
          <TD class=3Dfont14 bgColor=3D#e3f2fd height=3D30><STRONG><FONT =

            =
color=3D#000000>&nbsp;&nbsp;</FONT>=B2=BB=BA=C4RAM=B5=C4Flash=B6=C1=D0=B4=
=B3=CC=D0=F2=A3=A8For=20
            MSP430=A3=A9&nbsp;</STRONG></TD></TR>
        <TR>
          <TD bgColor=3D#ffffff>
            <TABLE class=3Dheigh22 border=3D0 cellSpacing=3D0 =
cellPadding=3D10=20
            width=3D"100%" align=3Dcenter>
              <TBODY>
              <TR>
                <TD class=3Dfont13>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">=BF=B4=BA=DC=B6=E0=CA=E9=C9=CF=B5=C4=C0=FD=B3=CC=A3=ACFlash=B5=C4=B6=
=C1=D0=B4=BA=AF=CA=FD=B6=BC=C0=FB=D3=C3RAM=D4=DD=B4=E6=CA=FD=BE=DD=A3=AC=C8=
=BB=BA=F3=D4=D9=B2=C1=B3=FDFlash=A1=A3=D5=E2=D1=F9RAM=BF=AA=CF=FA=BA=DC=B4=
=F3=A3=AC=CC=D8=B1=F0=CA=C7=D5=FB=B6=CE=B2=C1=D0=B4=B5=C4=CA=B1=BA=F2=A3=AC=
=C4=C4=C5=C2=B8=FC=B8=C4=D2=BB=B8=F6=D7=D6=BD=DA=CA=FD=BE=DD=A3=AC=D2=B2=D2=
=AA=CF=C8=BD=AB=D5=FB=B8=F6=B6=CE=B5=C4=CA=FD=BE=DD=B6=BC=D4=DD=B4=E6=C6=F0=
=C0=B4=A1=A3</P>
                  <P style=3D"TEXT-INDENT: =
2em">=C6=E4=CA=B5=CD=EA=C8=AB=BF=C9=D2=D4=C0=FB=D3=C3=C1=ED=D2=BB=B8=F6Fl=
ash=B6=CE=C0=B4=D4=DD=B4=E6=CA=FD=BE=DD=A3=AC=B2=BB=BF=AA=CF=FARAM=A1=A3<=
/P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">=CF=C2=C3=E6=CF=D7=C9=CF=D0=A1=B5=DC=B2=FA=C6=B7=D6=D0=B5=C4=D2=BB=B6=
=CE=B4=FA=C2=EB=A3=AC=CD=A8=D3=C3=D0=D4=BD=CF=BA=C3=A3=AC=B6=D4=BA=AF=CA=FD=
=B5=F7=D3=C3=D5=DF=C0=B4=CB=B5=CA=C7=BF=B4=B2=BB=BC=FB=B2=C1=D0=B4=B9=FD=B3=
=CC=B5=C4=A3=AC=D6=BB=D0=E8=D2=AA=D6=B8=B6=A8=D0=B4=C8=EB=B5=D8=D6=B7=A3=AC=
=D0=B4=C8=EB=CA=FD=BE=DD=BC=B4=BF=C9=A1=A3</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">=C1=ED=CD=E2=A3=AC=CE=AA=C1=CB=D4=F6=BC=D3Flash=CA=D9=C3=FC=A3=AC=B6=
=E0=D7=D6=BD=DA=B5=C4=CA=FD=BE=DD=BD=E1=B9=B9=D2=BB=B4=CE=D0=B4=C8=EB=A3=AC=
=C0=FD=C8=E7=B1=A3=B4=E6=D2=BB=B8=F6=B8=A1=B5=E3=CA=FD=A3=AC=D6=BB=D0=E8=D2=
=AA=B5=F7=D3=C3=20
                  Flash_WriteFloat()=BA=AF=CA=FD=BC=B4=BF=C9=A1=A3</P>
                  <P style=3D"TEXT-INDENT: =
2em">//=CD=B7=CE=C4=BC=FE=A3=BAFlash.h</P>
                  <P style=3D"TEXT-INDENT: 2em">// =
=D7=F7=D5=DF=A3=BASHARK=B0=E6=B1=BE=A3=BA061204a</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D</P>
                  <P style=3D"TEXT-INDENT: 2em">extern =
voidInitFlash(void);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern=20
                  voidFlash_WriteByte(unsigned char Address,unsigned=20
                  charData);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern unsigned=20
                  charFlash_ReadByte(unsigned char Address);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern=20
                  voidFlash_WriteWord(unsigned char Address,unsigned=20
                  intData);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern unsigned=20
                  intFlash_ReadWord(unsigned char Address);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern=20
                  voidFlash_WriteLong(unsigned char Address,unsigned =
long int=20
                  Data);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern unsigned long int =

                  Flash_ReadLong(unsigned char Address);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern =
voidFlash_WriteFloat=20
                  (unsigned char Address,floatData);</P>
                  <P style=3D"TEXT-INDENT: 2em">extern=20
                  floatFlash_ReadFloat(unsigned char Address);</P>
                  <P style=3D"TEXT-INDENT: 2em"><BR><FONT=20
                  =
color=3D#999999>=D7=F7=D5=DF=A3=BAsharks&nbsp;&nbsp;2006-12-7 =
13:18:00</FONT>=20
                  </P></TD></TR></TBODY></TABLE></TD></TR>
        <TR>
          <TD bgColor=3D#e3f2fd height=3D25><STRONG><FONT =
color=3D#000000><FONT=20
            color=3D#ffffff>&nbsp;&nbsp;</FONT></FONT></STRONG><FONT=20
            =
color=3D#0066cc>=BB=D8=B8=B41</FONT>&nbsp;&nbsp;=B2=BB=BA=C4RAM=B5=C4Flas=
h=B6=C1=D0=B4=B3=CC=D0=F2=A3=A8For=20
          MSP430=A3=A9113245</TD></TR>
        <TR>
          <TD bgColor=3D#ffffff height=3D38>
            <TABLE class=3Dheigh22 border=3D0 cellSpacing=3D0 =
cellPadding=3D10=20
            width=3D"100%" align=3Dcenter>
              <TBODY>
              <TR>
                <TD class=3Dfont13>
                  <P style=3D"TEXT-INDENT: 2em">#include =
"MSP430X12X2.h"</P>
                  <P style=3D"TEXT-INDENT: 2em">#defineON1</P>
                  <P style=3D"TEXT-INDENT: 2em">#defineOFF 0</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">#defineSAVEWORDON/*=CB=AB=D7=D6=BD=DA=CA=FD=B6=C1=D0=B4=BA=AF=CA=FD=B1=
=E0=D2=EB=BF=AA=B9=D8*/</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">#defineSAVELONGON/*=CB=C4=D7=D6=BD=DA=CA=FD=B6=C1=D0=B4=BA=AF=CA=FD=B1=
=E0=D2=EB=BF=AA=B9=D8*/</P>
                  <P style=3D"TEXT-INDENT: 2em">#defineSAVEFLOAT=20
                  =
ON/*=B8=A1=B5=E3=CA=FD=B6=C1=D0=B4=BA=AF=CA=FD=B1=E0=D2=EB=BF=AA=B9=D8*/<=
/P>
                  <P style=3D"TEXT-INDENT: =
2em">#defineMAXNUM16/*=D7=EE=B4=F3=CA=FD=BE=DD=C1=BF(=D7=D6=BD=DA)*/</P>
                  <P style=3D"TEXT-INDENT: =
2em">#defineFLASH_SAVEADDR(0x1080)=20
                  =
/*Flash=CA=FD=BE=DD=B4=E6=B4=A2=C7=F8=CA=D7=B5=D8=D6=B7*/</P>
                  <P style=3D"TEXT-INDENT: =
2em">#defineFLASH_COPYADDR(0x1000)=20
                  =
/*Flash=B1=B8=B7=DD=B4=E6=B4=A2=C7=F8=CA=D7=B5=D8=D6=B7*/</P>
                  <P style=3D"TEXT-INDENT: 2em">union =
LongChar//=B3=A4=D5=FB=D7=D6=BD=DA=B8=B4=BA=CF=BD=E1=B9=B9</P>
                  <P style=3D"TEXT-INDENT: 2em">{ unsigned long int =
Long;</P>
                  <P style=3D"TEXT-INDENT: 2em">struct ByteL4</P>
                  <P style=3D"TEXT-INDENT: 2em">{</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBHH;</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBHL;</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBLH;</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBLL;</P>
                  <P style=3D"TEXT-INDENT: 2em">}Bytes;</P>
                  <P style=3D"TEXT-INDENT: 2em">};</P>
                  <P style=3D"TEXT-INDENT: 2em">union =
FloatChar//=B8=A1=B5=E3=D7=D6=BD=DA=B8=B4=BA=CF=BD=E1=B9=B9</P>
                  <P style=3D"TEXT-INDENT: 2em">{ unsigned long int =
Float;</P>
                  <P style=3D"TEXT-INDENT: 2em">struct ByteF4</P>
                  <P style=3D"TEXT-INDENT: 2em">{</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBHH;</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBHL;</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBLH;</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned charBLL;</P>
                  <P style=3D"TEXT-INDENT: 2em">}Bytes;</P>
                  <P style=3D"TEXT-INDENT: 2em">};</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</P>
                  <P style=3D"TEXT-INDENT: 2em">void InitFlash(void)</P>
                  <P style=3D"TEXT-INDENT: 2em">{</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL2 =3D FWKEY + FSSEL0 =
+ FN1;//=20
                  MCLK/3 =3D333KHz for Flash Timing Generator</P>
                  <P style=3D"TEXT-INDENT: =
2em">}//257~476KHz=D6=AE=BC=E4</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</P>
                  <P style=3D"TEXT-INDENT: 2em">void Flash_Busy()</P>
                  <P style=3D"TEXT-INDENT: 2em">{</P>
                  <P style=3D"TEXT-INDENT: 2em">while((FCTL3 &amp; BUSY) =
=3D=3D=20
                  BUSY){_NOP();}//Busy</P>
                  <P style=3D"TEXT-INDENT: 2em">}</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</P>
                  <P style=3D"TEXT-INDENT: 2em">void Flash_CopyA2B()</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">unsigned char =
*Flash_ptrB;//=20
                  Segment B pointer</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned int i;</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_ptrB =3D (unsigned =
char *)=20
                  FLASH_COPYADDR;// Initialize Flash segment B =
pointer</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL1 =3D FWKEY + =
ERASE;// Set Erase=20
                  bit</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL3 =3D FWKEY;// Clear =
Lock=20
bit</P>
                  <P style=3D"TEXT-INDENT: 2em">*Flash_ptrB =3D 0;// =
Dummy write to=20
                  erase Flash segment B</P>
                  <P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL1 =3D FWKEY + WRT;// =
Set WRT bit=20
                  for write operation</P>
                  <P style=3D"TEXT-INDENT: 2em">for (i=3D0; i&lt;MAXNUM; =
i++)</P>
                  <P style=3D"TEXT-INDENT: 2em">{</P>
                  <P style=3D"TEXT-INDENT: 2em">*Flash_ptrB++ =3D =
*Flash_ptrA++;//=20
                  copy value segment A to segment B</P>
                  <P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</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">//=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</P>
                  <P style=3D"TEXT-INDENT: 2em">void Flash_WriteByte =
(unsigned=20
                  char Address,unsigned char Data)</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">unsigned char =
*Flash_ptrB;//=20
                  Segment B pointer</P>
                  <P style=3D"TEXT-INDENT: 2em">unsigned int i;</P>
                  <P=20
                  style=3D"TEXT-INDENT: =
2em">Flash_CopyA2B();//Flash=C4=DA=B5=C4=CA=FD=BE=DD=CF=C8=B1=A3=B4=E6=C6=
=F0=C0=B4</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_ptrB =3D (unsigned =
char *)=20
                  FLASH_COPYADDR;// Initialize Flash segment B =
pointer</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL1 =3D FWKEY + =
ERASE;// Set Erase=20
                  bit</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL3 =3D FWKEY;// Clear =
Lock=20
bit</P>
                  <P style=3D"TEXT-INDENT: 2em">*Flash_ptrA =3D 0;// =
Dummy write to=20
                  erase Flash segment A</P>
                  <P style=3D"TEXT-INDENT: 2em">Flash_Busy();//Busy</P>
                  <P style=3D"TEXT-INDENT: 2em">FCTL1 =3D FWKEY + WRT;// =
Set WRT bit=20
                  for write operation</P>
                  <P style=3D"TEXT-INDENT: 2em">for (i=3D0; i&lt;MAXNUM; =
i++)</P>
                  <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++ =3DData;// =
Save=20
                  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>
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📄 [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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📄 [技术问答单片机] 不耗ram的flash读写程序（for msp430）==www_ic37_com.mht
