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📄 合众达技术论坛 - dsp硬件开发论坛 - 2812 adc初始化问题,急?.mht

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20px">=CE=D2=D6=BB=CF=EB=CA=B9=D3=C3=CD=A8=B5=C00=D7=F6AD=D7=AA=BB=BB=A3=AC=
=BD=F8=D0=D0=C8=E7=CF=C2=B3=F5=CA=BC=BB=AF=BA=F3=A3=AC=D4=DA=B5=F7=CA=D4=BB=
=B7=BE=B3=CF=C2=B7=A2=CF=D6=A3=AC=BD=F8=C8=EBAD=D6=D0=B6=CF=BA=F3=B2=A2=B2=
=BB=CA=C7=C3=BF=B4=CE=B8=FC=D0=C2=CD=A8=B5=C00=B5=C4=B2=C9=D1=F9=D6=B5=A3=
=AC=B6=F8=CA=C7=CB=B3=D0=F2=B8=FC=D0=C2=D6=B1=B5=BD=CD=A8=B5=C015=A3=AC=B6=
=F8=BA=F3=D4=D9=CA=C7=CD=A8=B5=C00=A3=AC=BC=B1=D1=BD=A3=AC=C4=C7=CE=BB=B4=
=F3=CF=C0=B0=EF=CE=D2=BF=B4=BF=B4=CE=D2=B5=C4=B3=F5=CA=BC=BB=AF=B2=BF=B7=D6=
=D3=D0=CE=CA=CC=E2=B0=C9=A3=BF=D0=BB=D0=BB=B0=A1=A3=A1<BR><BR>void=20
                        =
InitAdc(void)<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;uns=
igned=20
                        int=20
                        =
i;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL1.bit.RESET=3D1;<BR>&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NOP;<BR>&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL1.bit.RESET=3D0;<BR>&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL1.bit.SUSMOD=3D3;<BR>&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL1.bit.ACQ_PS=3D=
15;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL1.bi=
t.CPS=3D1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADC=
TRL1.bit.CONT_RUN=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;AdcRegs.ADCTRL1.bit.SEQ_CASC=3D1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.=
ADCTRL3.bit.ADCBGRFDN=3D3;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;for(i=3D0;i&lt;10000;i++)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;NOP;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCT=
RL3.bit.ADCPWDN=3D1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;f=
or(i=3D0;i&lt;5000;i++)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NO=
P;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL3.bit=
.ADCCLKPS=3D7;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs=
.ADCTRL3.bit.SMODE_SEL=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.MAX_CON=
V.bit.MAX_CONV=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B=
R>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.CHSELSEQ1.bit.C=
ONV00=3D0;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs=
.ADC_ST_FLAG.bit.INT_SEQ1_CLR=3D1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;AdcRegs.ADC_ST_FLAG.bit.INT_SEQ2_CLR=3D1;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTR=
L2.bit.EVB_SOC_SEQ=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;AdcRegs.ADCTRL2.bit.RST_SEQ1=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;AdcRegs.ADCTRL2.bit.INT_ENA_SEQ1=3D1;<BR>&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL2.bit.INT_MOD_SEQ1=3D0;<BR>&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL2.bit.EVA_SOC=
_SEQ1=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADC=
TRL2.bit.EXT_SOC_SEQ1=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;AdcRegs.ADCTRL2.bit.RST_SEQ2=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL2.bit.SOC_SEQ2=3D0;<BR>&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL2.bit.INT_ENA_SEQ2=3D0;<BR>&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCTRL2.bit.INT_MOD_=
SEQ2=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AdcRegs.ADCT=
RL2.bit.EVB_SOC_SEQ2=3D0;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;AdcRegs.ADCTRL2.bit.SOC_SEQ1=3D1;<BR>}</FONT>=20
                      </TD></TR></TBODY></TABLE></TD></TR>
              <TR class=3Dtablerow bgColor=3D#dee3e7>
                <TD class=3Dsmalltxt vAlign=3Dcenter><IMG=20
                  =
src=3D"http://www.seeddsp.com/service/bbs/images/cdb/lastpost.gif"=20
                  align=3DabsMiddle> 2006-8-18 11:18 AM</TD>
                <TD vAlign=3Dcenter>
                  <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
                    <TBODY>
                    <TR class=3Dsmalltxt>
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0"><IMG=20
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'Window', 600, 500);"=20
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                        =
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01734"><IMG=20
                        alt=3D"dhlwq007 =B5=C4 OICQ"=20
                        =
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                        border=3D0></A> <!-- /viewthread_post_oicq =
-->&nbsp;</TD>
                      <TD align=3Dright><!-- viewthread_post_edit --><A=20
                        =
href=3D"http://www.seeddsp.com/service/bbs/post.php?action=3Dedit&amp;fid=
=3D5&amp;tid=3D26513&amp;pid=3D74306"><IMG=20
                        alt=3D=B1=E0=BC=AD=CC=F9=D7=D3=20
                        =
src=3D"http://www.seeddsp.com/service/bbs/images/cdb/edit.gif"=20
                        border=3D0></A> <!-- /viewthread_post_edit =
--><!-- viewthread_post_repquote --><A=20
                        =
href=3D"http://www.seeddsp.com/service/bbs/post.php?action=3Dreply&amp;fi=
d=3D5&amp;tid=3D26513&amp;repquote=3D74306"><IMG=20
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                        =
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                        border=3D0></A>=20
                    <!-- /viewthread_post_repquote =
--></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY>=
</TABLE></A><!-- /viewthread_post --><!-- viewthread_post --><A=20
      name=3Dpid>
      <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"97%" =
align=3Dcenter border=3D0>
        <TBODY>
        <TR>
          <TD bgColor=3D#0099cc>
            <TABLE style=3D"TABLE-LAYOUT: fixed" cellSpacing=3D1 =
cellPadding=3D6=20
            width=3D"100%" border=3D0>
              <TBODY>
              <TR bgColor=3D#efefef>
                <TD class=3Dtablerow vAlign=3Dtop=20
                  =
width=3D"21%"><B>tongbill</B><BR>=B8=DF=BC=B6=BB=E1=D4=B1<BR><IMG=20
                  =
src=3D"http://www.seeddsp.com/service/bbs/images/cdb/star.gif"><IMG=20
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src=3D"http://www.seeddsp.com/service/bbs/images/cdb/star.gif"><BR><BR>
                  <CENTER>
                  <TABLE style=3D"TABLE-LAYOUT: fixed" cellSpacing=3D0 =
cellPadding=3D0=20
                  width=3D"95%" border=3D0>
                    <TBODY>
                    <TR>
                      <TD align=3Dmiddle><IMG=20
                        =
src=3D"http://www.seeddsp.com/service/bbs/images/avatars/011.gif"></TD></=
TR></TBODY></TABLE><BR><BR></CENTER><BR><BR>=B7=A2=CC=FB=20
                  165<BR>=D7=A2=B2=E1 2002-2-20<BR></TD>
                <TD class=3Dtablerow height=3D"100%">
                  <TABLE style=3D"TABLE-LAYOUT: fixed" height=3D"100%" =
cellSpacing=3D0=20
                  cellPadding=3D0 width=3D"100%" border=3D0>
                    <TBODY>
                    <TR>
                      <TD vAlign=3Dtop><FONT =
class=3Dsubject><B></B></FONT><FONT=20
                        style=3D"LINE-HEIGHT: =
20px">=C4=E3=BA=F6=CA=D3=C1=CB=D5=E2=BE=E4=A3=BAAdcRegs.MAX_CONV.all=3D0x=
0;=A3=AD=A3=AD=A3=AD=A3=AD=D3=C3=C0=B4=C9=E8=D6=C3=D7=AA=BB=BB=CD=A8=B5=C0=
=CA=FD</FONT>=20
                      </TD></TR></TBODY></TABLE></TD></TR>
              <TR class=3Dtablerow bgColor=3D#efefef>
                <TD class=3Dsmalltxt vAlign=3Dcenter><IMG=20
                  =
src=3D"http://www.seeddsp.com/service/bbs/images/cdb/lastpost.gif"=20
                  align=3DabsMiddle> 2006-8-18 05:19 PM</TD>
                <TD vAlign=3Dcenter>
                  <TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"100%" =
border=3D0>
                    <TBODY>
                    <TR class=3Dsmalltxt>
                      <TD align=3Dleft><!-- viewthread_post_profile_ =
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0"><IMG=20
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                      <TD align=3Dright><!-- viewthread_post_edit --><A=20
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