103 lines
5.0 KiB
HTML
103 lines
5.0 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>COUNT Example</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>COUNT Example</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/COUNT.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">COUNT</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 $STAMP directive (as required) before downloading to the BS2e, BS2sx, BS2p, BS2pe, or BS2px.</p><pre class="BScode" xml:space="preserve">' COUNT.BS2
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' Connect an active-low button circuit shown to pin P0 of the BS2. The
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' DEBUG screen will prompt you to press the button as quickly as possible
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' for a 1-second count. When the count is done, the screen will display
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' your "score," the total number of cycles registered by COUNT. Note that
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' this score will almost always be greater than the actual number of presses
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' because of switch contact bounce.
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' {$STAMP BS2}
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' {$PBASIC 2.5}
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PushBtn PIN 0 ' pushbutton on P0
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#SELECT $STAMP
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#CASE BS2, BS2E
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DurAdj CON $100 ' / 1
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#CASE BS2SX
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DurAdj CON $280 ' / 0.400
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#CASE BS2P, BS2PX
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OneSec CON $37B ' / 0.287
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#CASE BS2PE
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OneSec CON $163 ' / 0.720
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#ENDSELECT
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Capture CON 1000 ' 1 second
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cycles VAR Word ' counted cycles
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Main:
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DO
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DEBUG CLS,
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"How many times can you press the button in 1 second?", CR
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PAUSE 1000
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DEBUG "Ready, set... "
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PAUSE 500
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DEBUG "GO!", CR
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COUNT PushBtn, (Capture */ DurAdj), cycles
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DEBUG CR, "Your score: ", DEC cycles, CR
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PAUSE 3000
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DEBUG "Press button to go again."
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DO : LOOP UNTIL (PushBtn = 0) ' wait for button press
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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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<script type="text/javascript">/* <![CDATA[ */
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var _gaq = _gaq || [];
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_gaq.push(['_setAccount', 'UA-285614-1']);
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_gaq.push(['_trackPageview']);
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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/* ]]> */</script>
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<script type="text/javascript" src="../../SkinSupport/MadCapBodyEnd.js">
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</script>
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</body>
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</html>
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