Initial commit after migrating repo and assuring the product launches
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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>OWIN / OWOUT 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>
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</head>
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<body>
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<h1>OWIN / OWOUT 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_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/OWIN.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">OWIN</a>, <a href="../Commands/OWOUT.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">OWOUT</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 class="PlainText">This program uses a Dallas Semiconductor DS1820 Digital Thermometer device connected as follows. Note that the 4.7 kΩ pull-up resistor is required for proper operation.</p>
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<p class="PlainText" style="text-align: center;">
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<img src="../../graphics/ds1820_sch.gif" />
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</p>
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<p>NOTE: This is written for the BS2p and will also run on the BS2pe and BS2px. Modify the $STAMP directive (as required) before downloading to the BS2pe or BS2px.</p><pre class="BScode" xml:space="preserve">' OWIN_OWOUT.BSP
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' This program demonstrates interfacing to a Dallas Semiconductor DS1822
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' 1-Wire Digital Thermometer chip using the BS2p's 1-Wire commands. Connect
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' the BS2p/BS2pe/BS2px to the DS1822 as shown in the diagram in the OWIN or
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' OWOUT command description. This program uses a simplified approach that
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' ignores the fractional portion of the temperature.
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' {$STAMP BS2p}
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' {$PBASIC 2.5}
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DQ PIN 0 ' 1-Wire buss pin
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RdROM CON $33 ' read serial number
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MatchROM CON $55 ' match SN -- for multiple devices
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SkipROM CON $CC ' ignore SN -- use for one device
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CvrtTmp CON $44 ' start temperature conversion
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RdSP CON $BE ' read DS1822 scratchpad
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tempIn VAR Word ' raw temperature
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sign VAR tempIn.BIT11 ' 1 = negative temperature
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tLo VAR tempIn.BYTE0
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tHi VAR tempIn.BYTE1
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tSign VAR Bit ' saved sign bit
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tempC VAR Word ' final Celsius temp
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tempF VAR Word ' final Fahrenheit temp
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Main:
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DO
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GOSUB Get_Temperature ' read temperature from DS1822
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DEBUG HOME, ' display
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"DS1822", CR,
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"------", CR,
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SDEC tempC, " C ", CR,
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SDEC tempF, " F "
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PAUSE 1000
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LOOP
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END
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Get_Temperature:
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OWOUT DQ, 1, [SkipROM, CvrtTmp] ' send convert temperatrue command
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DO ' wait on conversion
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PAUSE 25 ' small loop pad
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OWIN DQ, 4, [tempIn] ' check status (bit transfer)
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LOOP UNTIL (tempIn) ' 1 when complete
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OWOUT DQ, 1, [SkipROM, RdSP] ' read DS1822 scratchpad
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OWIN DQ, 2, [tLo, tHi] ' get raw temp data
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tSign = sign ' save sign bit
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tempC = tempIn >> 4 ' round to whole degrees
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tempC.BYTE1 = $FF * tSign ' correct 2's compliment bits
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tempF = (ABS tempC) * 9 / 5 ' start F conversion
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IF (tSign) THEN ' finish F conversion
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tempF = 32 - tempF ' C was negative
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ELSE
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tempF = tempF + 32 ' C was positive
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ENDIF
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RETURN
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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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