105 lines
5.0 KiB
HTML
105 lines
5.0 KiB
HTML
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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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<head><title>LCDCMD 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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</head>
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<body>
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<h1>LCDCMD 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/LCDCMD.htm" target="" title="" alt="" class="MCXref_0" xrefformat="{paratext}">LCDCMD</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: This is written for the BS2p and will also run on the BS2pe and BS2px. Modify the $STAMP directive (as required) before downloading to the BS2pe or BS2px.</p><pre class="BScode" xml:space="preserve">' LCDCMD.BSP
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' This program demonstrates initialization and printing on a 2 x 16
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' character LCD display. The set of "LCD constants", below, are provided
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' as pre-defined and useful LCD commands, though not all are actually
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' used in this program.
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' {$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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Lcd PIN 0
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LcdCls CON $01 ' clear the LCD
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LcdHome CON $02 ' move cursor home
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LcdCrsrL CON $10 ' move cursor left
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LcdCrsrR CON $14 ' move cursor right
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LcdDispL CON $18 ' shift chars left
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LcdDispR CON $1C ' shift chars right
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LcdDDRam CON $80 ' Display Data RAM
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LcdCGRam CON $40 ' Character Generator RAM
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LcdLine1 CON $80 ' DDRAM address of line 1
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LcdLine2 CON $C0 ' DDRAM address of line 2
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Init_LCD:
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PAUSE 1000 ' allow LCD to self-initialize first
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LCDCMD Lcd, %00110000 ' send wakeup sequence to LCD
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PAUSE 5 ' pause required by LCD specs
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LCDCMD Lcd, %00110000
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PAUSE 0 ' pause required by LCD specs
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LCDCMD Lcd, %00110000
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PAUSE 0 ' pause required by LCD specs
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LCDCMD Lcd, %00100000 ' set data bus to 4-bit mode
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LCDCMD Lcd, %00101000 ' set to 2-line mode with 5x8 font
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LCDCMD Lcd, %00001100 ' display on without cursor
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LCDCMD Lcd, %00000110 ' auto-increment cursor
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Main:
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DO
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LCDOUT Lcd, LcdCls, ["Hello, World!"]
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LCDOUT Lcd, LcdLine2, ["How are you?"]
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PAUSE 3000
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LCDCMD Lcd, LcdCls
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PAUSE 500
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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 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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