128 lines
6.1 KiB
HTML
128 lines
6.1 KiB
HTML
|
<?xml version="1.0" encoding="utf-8"?>
|
|||
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
|||
|
|
<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">
|
|||
|
|
<head><title>PULSIN Example</title>
|
|||
|
|
<link href="../../SkinSupport/MadCap.css" rel="stylesheet" />
|
|||
|
|
<link href="../../Resources/Stylesheets/BSE_Help.css" rel="stylesheet" />
|
|||
|
|
<script src="../../SkinSupport/MadCapAll.js" type="text/javascript">
|
|||
|
|
</script>
|
|||
|
|
</head>
|
|||
|
|
<body>
|
|||
|
|
<h1>PULSIN Example</h1>
|
|||
|
|
<div class="ImagePlusCaption">
|
|||
|
|
<div class="Col2">
|
|||
|
|
<p>
|
|||
|
|
<img src="../../graphics/pgm_icon1.gif" border="0" alt="BS1 icon" title="BS1 icon" />
|
|||
|
|
<img src="../../graphics/pgm_icon2.gif" border="0" alt="BS2 icon" title="BS2 icon" />
|
|||
|
|
<img src="../../graphics/pgm_icon2e.gif" border="0" alt="BS2e icon" title="BS2e icon" />
|
|||
|
|
<img src="../../graphics/pgm_icon2sx.gif" border="0" alt="BS2sx icon" title="BS2sx icon" />
|
|||
|
|
<img src="../../graphics/pgm_icon2p.gif" border="0" alt="BS2p icon" title="BS2p icon" />
|
|||
|
|
<img src="../../graphics/pgm_icon2pe.gif" border="0" alt="BS2pe icon" title="BS2pe icon" />
|
|||
|
|
<img src="../../graphics/pgm_icon2px.gif" border="0" alt="BS2px icon" title="BS2px icon" />
|
|||
|
|
</p>
|
|||
|
|
</div>
|
|||
|
|
<p style="text-align: right;">Syntax: <a href="../Commands/PULSIN.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">PULSIN</a></p>
|
|||
|
|
<p> </p>
|
|||
|
|
</div>
|
|||
|
|
<p class="clear"> </p>
|
|||
|
|
<p> </p>
|
|||
|
|
<p class="PlainText" style="text-align: center;">
|
|||
|
|
<img src="../../graphics/pulsin_sch.gif" />
|
|||
|
|
</p><pre class="BScode" xml:space="preserve">' PULSIN.BS1
|
|||
|
|
' This program uses PULSIN to measure a pulse generated by discharging a
|
|||
|
|
' 0.1 uF capacitor through a 1K resistor. Pressing the switch generates
|
|||
|
|
' the pulse, which should ideally be approximately 120 us (12 PULSIN units
|
|||
|
|
' of 10 us) long. Variations in component values may produce results that
|
|||
|
|
' are up to 10 units off from this value. For more information on calculating
|
|||
|
|
' resistor-capacitor timing, see the RCTIME command.
|
|||
|
|
|
|||
|
|
' {$STAMP BS1}
|
|||
|
|
' {$PBASIC 1.0}
|
|||
|
|
|
|||
|
|
SYMBOL Pulse = 7 ' pulse input pin
|
|||
|
|
|
|||
|
|
SYMBOL time = W1 ' pulse width (10 uS units)
|
|||
|
|
|
|||
|
|
|
|||
|
|
Main:
|
|||
|
|
PULSIN Pulse, 1, time ' measure positive pulse
|
|||
|
|
IF time = 0 THEN Main ' if 0, try again
|
|||
|
|
DEBUG CLS, time ' else display result
|
|||
|
|
GOTO Main
|
|||
|
|
END
|
|||
|
|
|
|||
|
|
</pre>
|
|||
|
|
<p class="PlainText"> </p>
|
|||
|
|
<p>NOTE: The example below is written for the BS2 and will run on any of the BS2-family modules. Modify the $STAMP directive (as required) before downloading to the BS2e, BS2sx, BS2p, BS2pe, or BS2px.</p><pre class="BScode" xml:space="preserve">' PULSIN.BS2
|
|||
|
|
' This program uses PULSIN to measure a pulse generated by discharging a
|
|||
|
|
' 0.1 uF capacitor through a 1K resistor. Pressing the switch generates
|
|||
|
|
' the pulse, which should ideally be approximately 120 us (60 PULSIN units
|
|||
|
|
' of 2 us) long (for BS2 and BS2e). Variations in component values may
|
|||
|
|
' produce results that are up to 10 units off from this value. For more
|
|||
|
|
' information on calculating resistor-capacitor timing, see the RCTIME
|
|||
|
|
' command.
|
|||
|
|
|
|||
|
|
' {$STAMP BS2}
|
|||
|
|
' {$PBASIC 2.5}
|
|||
|
|
|
|||
|
|
Pulse PIN 7 ' pulse input pin
|
|||
|
|
|
|||
|
|
#SELECT $STAMP
|
|||
|
|
#CASE BS2, BS2E, BS2PE
|
|||
|
|
Scale CON $200 ' 2.0 us per unit
|
|||
|
|
#CASE BS2SX
|
|||
|
|
Scale CON $0CD ' 0.8 us per unit
|
|||
|
|
#CASE BS2P
|
|||
|
|
Scale CON $0C0 ' 0.75 us per unit
|
|||
|
|
#CASE BS2PX
|
|||
|
|
Scale CON $0CF ' 0.81 us per unit
|
|||
|
|
#ENDSELECT
|
|||
|
|
|
|||
|
|
time VAR Word
|
|||
|
|
|
|||
|
|
|
|||
|
|
Main:
|
|||
|
|
PULSIN Pulse, 1, time ' measure positive pulse
|
|||
|
|
IF (time > 0) THEN ' if not 0
|
|||
|
|
DEBUG HOME,
|
|||
|
|
DEC time, " units ", CLREOL ' display raw input
|
|||
|
|
time = time */ Scale ' adjust for Stamp
|
|||
|
|
DEBUG CR,
|
|||
|
|
DEC time, " us " ' display microseconds
|
|||
|
|
ELSE
|
|||
|
|
DEBUG CLS, "Out of Range" ' else error message
|
|||
|
|
ENDIF
|
|||
|
|
PAUSE 200
|
|||
|
|
GOTO Main
|
|||
|
|
END</pre>
|
|||
|
|
<div class="Col2">
|
|||
|
|
<div class="MasterFoot">
|
|||
|
|
<p MadCap:conditions="BSEconditions.BSEWebHelp (Primary)-INCLUDE"><a href="../../HomeTopics/HomePage.htm">Go to Welcome page</a>
|
|||
|
|
</p>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
<div class="Col2">
|
|||
|
|
<div class="MasterFoot">
|
|||
|
|
<p style="text-align: right;"><span class="ContactInfoProjectName">BASIC Stamp Help</span> <![CDATA[ ]]><span class="ContactInfoVersion#">Version 2.5.4</span> <![CDATA[ ]]></p>
|
|||
|
|
<p style="text-align: right;">Copyright © <span class="ContactInfoCompanyName">Parallax Inc.</span></p>
|
|||
|
|
<p style="text-align: right;"><span class="SystemShortDate">8/8/2012</span>
|
|||
|
|
</p>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
<script type="text/javascript">/* <![CDATA[ */
|
|||
|
|
|
|||
|
|
var _gaq = _gaq || [];
|
|||
|
|
_gaq.push(['_setAccount', 'UA-285614-1']);
|
|||
|
|
_gaq.push(['_trackPageview']);
|
|||
|
|
|
|||
|
|
(function() {
|
|||
|
|
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
|
|||
|
|
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
|
|||
|
|
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
|
|||
|
|
})();
|
|||
|
|
|
|||
|
|
/* ]]> */</script>
|
|||
|
|
<script type="text/javascript" src="../../SkinSupport/MadCapBodyEnd.js">
|
|||
|
|
</script>
|
|||
|
|
</body>
|
|||
|
|
</html>
|