132 lines
6.3 KiB
HTML
132 lines
6.3 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns:MadCap="http://www.madcapsoftware.com/Schemas/MadCap.xsd" MadCap:lastBlockDepth="6" MadCap:lastHeight="94" MadCap:lastWidth="853" MadCap:disableMasterStylesheet="true" MadCap:tocPath="" MadCap:InPreviewMode="false" MadCap:PreloadImages="false" MadCap:RuntimeFileType="Topic" MadCap:TargetType="WebHelp" lang="en-us" xml:lang="en-us" MadCap:PathToHelpSystem="../../../" MadCap:HelpSystemFileName="Default.xml" MadCap:SearchType="Stem">
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<head><title>RCTIME Examples</title>
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<link href="../../SkinSupport/MadCap.css" rel="stylesheet" />
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<link href="../../Resources/Stylesheets/BSE_Help.css" rel="stylesheet" />
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<script src="../../SkinSupport/MadCapAll.js" type="text/javascript">
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</script>
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</head>
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<body>
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<h1>RCTIME Examples</h1>
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<div class="ImagePlusCaption">
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<div class="Col2">
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<p>
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<img src="../../graphics/pgm_icon2.gif" border="0" alt="BS2 icon" title="BS2 icon" />
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<img src="../../graphics/pgm_icon2e.gif" border="0" alt="BS2e icon" title="BS2e icon" />
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<img src="../../graphics/pgm_icon2sx.gif" border="0" alt="BS2sx icon" title="BS2sx icon" />
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<img src="../../graphics/pgm_icon2p.gif" border="0" alt="BS2p icon" title="BS2p icon" />
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<img src="../../graphics/pgm_icon2pe.gif" border="0" alt="BS2pe icon" title="BS2pe icon" />
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<img src="../../graphics/pgm_icon2px.gif" border="0" alt="BS2px icon" title="BS2px icon" />
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</p>
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</div>
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<p style="text-align: right;">Syntax: <a href="../Commands/RCTIME.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">RCTIME</a></p>
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<p> </p>
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</div>
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<p class="clear"> </p>
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<p class="PlainText"> </p>
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<p>NOTE: The example below is written for the BS2 and will run on any of the BS2-family modules. Modify the $STAMP directive (as required) before downloading to the BS2e, BS2sx, BS2p, BS2pe, or BS2px.</p>
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<p class="PlainText" style="text-align: center;"> </p>
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<p class="PlainText" style="text-align: center;">
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<img src="../../graphics/rctime_demo_sch.gif" />
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</p><pre class="BScode" xml:space="preserve">' RCTIME1.BS2
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' This program shows the standard use of the RCTIME instruction measuring
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' an RC charge/discharge time. Use the circuit in the RCTIME description
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' (in the manual) with R = 10K pot and C = 0.1 uF. Connect the circuit to
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' pin 7 and run the program. Adjust the pot and watch the value shown on
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' the Debug screen change.
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' {$STAMP BS2}
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' {$PBASIC 2.5}
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RC PIN 7
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result VAR Word
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Main:
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DO
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HIGH RC ' charge the cap
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PAUSE 1 ' for 1 ms
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RCTIME RC, 1, result ' measure RC discharge time
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DEBUG HOME, DEC result ' display value
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PAUSE 50
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LOOP
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END
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</pre>
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<p class="PlainText"> </p>
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<p>NOTE: The example below is written for the BS2 and will run on any of the BS2-family modules. Modify the $STAMP directive (as required) before downloading to the BS2e, BS2sx, BS2p, BS2pe, or BS2px.</p>
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<p class="PlainText" style="text-align: center;"> </p>
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<p class="PlainText" style="text-align: center;">
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<img src="../../graphics/rctime2_sch.gif" />
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</p><pre class="BScode" xml:space="preserve">' RCTIME2.BS2
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' This program illustrates the use of RCTIME as a fast stopwatch. The
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' program energizes a relay coil, then measures how long it takes for the
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' relay contacts to close. The circuit for this program can be found in
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' the manual. Note that RCTIME doesn't start timing instantly -- as with
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' all PBASIC instructions, it must be fetched from program EEPROM before
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' it can execute.
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' {$STAMP BS2}
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' {$PBASIC 2.5}
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Coil PIN 6
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RC PIN 7
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#SELECT $STAMP
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#CASE BS2, BS2E, BS2PE
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Adjust CON $200 ' x 2 us per unit
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#CASE BS2SX
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Adjust CON $0CC ' x 0.8 us per unit
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#CASE BS2P
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Adjust CON $0C0 ' x 0.75 us per unit
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#CASE BS2PX
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Adjust CON $0C0 ' x 0.75 us per unit
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#ENDSELECT
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result VAR Word
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Main:
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DO
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LOW Coil ' energize relay coil
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RCTIME RC, 1, result ' measure time to contact closure
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result = result */ Adjust ' adjust for device
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DEBUG "Time to close: ",
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DEC Result, CR
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HIGH Coil ' release relay
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PAUSE 1000 ' wait one second
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LOOP
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END
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</pre>
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<div class="Col2">
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<div class="MasterFoot">
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<p MadCap:conditions="BSEconditions.BSEWebHelp (Primary)-INCLUDE"><a href="../../HomeTopics/HomePage.htm">Go to Welcome page</a>
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</p>
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</div>
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</div>
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<div class="Col2">
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<div class="MasterFoot">
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<p style="text-align: right;"><span class="ContactInfoProjectName">BASIC Stamp Help</span> <![CDATA[ ]]><span class="ContactInfoVersion#">Version 2.5.4</span> <![CDATA[ ]]></p>
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<p style="text-align: right;">Copyright © <span class="ContactInfoCompanyName">Parallax Inc.</span></p>
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<p style="text-align: right;"><span class="SystemShortDate">8/8/2012</span>
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</p>
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</div>
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</div>
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