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>I2CIN / I2COUT 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>I2CIN / I2COUT 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/I2CIN.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">I2CIN</a>, <a href="../Commands/I2COUT.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">I2COUT</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> </p>
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<p class="PlainText" style="text-align: center;">
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<img src="../../graphics/24lc16_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 $STAMP directive (as required) before downloading to the BS2pe or BS2px.</p><pre class="BScode" xml:space="preserve">' I2C.BSP
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' This program demonstrates writing and reading every location in a 24LC16B
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' EEPROM using the BS2p/BS2pe.BS2px's I2C commands. Connect the BS2p, BS2pe,
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' or BS2px to the 24LC16B DIP EEPROM as shown in the diagram in the I2CIN
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' or I2COUT command description.
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' {$STAMP BS2p}
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' {$PBASIC 2.5}
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#IF ($STAMP < BS2P) #THEN
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#ERROR "Program requires BS2p, BS2pe, or BS2px."
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#ENDIF
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SDA PIN 0 ' I2C SDA pin
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SCL PIN SDA + 1
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addr VAR Word ' internal address
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block VAR Nib ' block address in 24LC16
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value VAR Byte ' value to write
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check VAR Nib ' for checking retuned values
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result VAR Byte(16) ' array for returned value
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Write_To_EEPROM:
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DEBUG "Writing...", CR
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PAUSE 2000
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FOR addr = 0 TO 2047 STEP 16 ' loop through all addresses
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block = addr.NIB2 << 1 ' calculate block address
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value = addr >> 4 ' create value from upper 8 bits
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' write 16 bytes
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I2COUT SDA, $A0 | block, addr, [REP value\16]
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PAUSE 5
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DEBUG "Addr: ", DEC4 addr, "-", DEC4 addr + 15, " ",
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"Value: ", DEC3 value, CR
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NEXT
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PAUSE 2000
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Read_From_EEPROM:
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DEBUG CR, "Reading...", CR
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PAUSE 2000
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FOR addr = 0 TO 2047 STEP 16
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block = addr.NIB2 << 1
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value = addr >> 4
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I2CIN SDA, $A1 | block, addr, [STR result\16]
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FOR check = 0 TO 15
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IF (result(check) <> value) THEN Error
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NEXT
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DEBUG "Addr: ", DEC4 addr, "-", DEC4 addr + 15, " ",
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"Value: ", DEC3 result, CR
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NEXT
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PAUSE 100
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DEBUG CR, "All locations passed"
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END
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Error:
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DEBUG "Error at location: ", DEC4 addr + check, CR,
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"Found: ", DEC3 result(check), ", Expected: ", DEC3 value
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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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</body>
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</html>
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