935 lines
60 KiB
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935 lines
60 KiB
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<title>AVR-GCC Libraries: LCD library <lcd.h></title>
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<div id="projectname">AVR-GCC Libraries
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<div class="title">LCD library <lcd.h></div> </div>
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<div class="contents">
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Basic routines for interfacing a HD44780U-based character LCD display. </p>
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<div class="fragment"><div class="line"><span class="preprocessor">#include <<a class="code" href="lcd_8h.html">lcd.h</a>></span> </div>
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</div><!-- fragment --><p>LCD character displays can be found in many devices, like espresso machines, laser printers. The Hitachi HD44780 controller and its compatible controllers like Samsung KS0066U have become an industry standard for these types of displays.</p>
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<p>This library allows easy interfacing with a HD44780 compatible display and can be operated in memory mapped mode (LCD_IO_MODE defined as 0 in the include file <a class="el" href="lcd_8h.html">lcd.h</a>.) or in 4-bit IO port mode (LCD_IO_MODE defined as 1). 8-bit IO port mode is not supported.</p>
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<p>Memory mapped mode is compatible with old Kanda STK200 starter kit, but also supports generation of R/W signal through A8 address line.</p>
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<dl class="section see"><dt>See also</dt><dd>The chapter <a href=" http://homepage.hispeed.ch/peterfleury/avr-lcd44780.html" target="_blank">Interfacing a HD44780 Based LCD to an AVR</a> on my home page, which shows example circuits how to connect an LCD to an AVR controller.</dd></dl>
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<dl class="section author"><dt>Author</dt><dd>Peter Fleury <a href="#" onclick="location.href='mai'+'lto:'+'pfl'+'eu'+'ry@'+'gm'+'x.c'+'h'; return false;">pfleu<span style="display: none;">.nosp@m.</span>ry@g<span style="display: none;">.nosp@m.</span>mx.ch</a> <a href="http://tinyurl.com/peterfleury">http://tinyurl.com/peterfleury</a></dd></dl>
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<dl class="section version"><dt>Version</dt><dd>2.0</dd></dl>
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<dl class="section copyright"><dt>Copyright</dt><dd>(C) 2015 Peter Fleury, GNU General Public License Version 3 </dd></dl>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Definition for LCD controller type</h2></td></tr>
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<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrp9cebaa2a52e46760a474a1905c7f53a9"></a>Use 0 for HD44780 controller, change to 1 for displays with KS0073 controller. </p>
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</td></tr>
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<tr class="memitem:ga63574b03f72a197aeee823aae95dc3b7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga63574b03f72a197aeee823aae95dc3b7">LCD_CONTROLLER_KS0073</a>   0</td></tr>
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<tr class="separator:ga63574b03f72a197aeee823aae95dc3b7"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Definitions for Display Size</h2></td></tr>
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<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrpcaec0cb1262819d89ffa7f25526cc869"></a>Change these definitions to adapt setting to your display</p>
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<p>These definitions can be defined in a separate include file <b>lcd_definitions.h</b> instead modifying this file by adding -D_LCD_DEFINITIONS_FILE to the CDEFS section in the Makefile. All definitions added to the file lcd_definitions.h will override the default definitions from <a class="el" href="lcd_8h.html">lcd.h</a> </p>
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</td></tr>
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<tr class="memitem:ga01212e90283511562039db786f65ba98"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga01212e90283511562039db786f65ba98">LCD_LINES</a>   2</td></tr>
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<tr class="separator:ga01212e90283511562039db786f65ba98"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga684bb4392e384b7ae7c660d81dacb930"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga684bb4392e384b7ae7c660d81dacb930">LCD_DISP_LENGTH</a>   16</td></tr>
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<tr class="separator:ga684bb4392e384b7ae7c660d81dacb930"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae59a728d9dee9f12c817b29d38746ed9"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gae59a728d9dee9f12c817b29d38746ed9">LCD_LINE_LENGTH</a>   0x40</td></tr>
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<tr class="separator:gae59a728d9dee9f12c817b29d38746ed9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gabd056d70a1488ea2eb1aef87e248e234"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gabd056d70a1488ea2eb1aef87e248e234">LCD_START_LINE1</a>   0x00</td></tr>
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<tr class="separator:gabd056d70a1488ea2eb1aef87e248e234"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7b317b21058ef031716ba040ef75430a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga7b317b21058ef031716ba040ef75430a">LCD_START_LINE2</a>   0x40</td></tr>
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<tr class="separator:ga7b317b21058ef031716ba040ef75430a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae7cca16353048a062baeb3a52da55249"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gae7cca16353048a062baeb3a52da55249">LCD_START_LINE3</a>   0x14</td></tr>
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<tr class="separator:gae7cca16353048a062baeb3a52da55249"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab1b73e05bdb5cc12cdff5a1cf6c4f2a2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gab1b73e05bdb5cc12cdff5a1cf6c4f2a2">LCD_START_LINE4</a>   0x54</td></tr>
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<tr class="separator:gab1b73e05bdb5cc12cdff5a1cf6c4f2a2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gadb35ff6cb242e48ba0545ea919ffc5d3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gadb35ff6cb242e48ba0545ea919ffc5d3">LCD_WRAP_LINES</a>   0</td></tr>
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<tr class="separator:gadb35ff6cb242e48ba0545ea919ffc5d3"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Definitions for 4-bit IO mode</h2></td></tr>
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<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrp0d38ed8c5b4202f593f69f9003c1a16c"></a>The four LCD data lines and the three control lines RS, RW, E can be on the same port or on different ports. Change LCD_RS_PORT, LCD_RW_PORT, LCD_E_PORT if you want the control lines on different ports.</p>
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<p>Normally the four data lines should be mapped to bit 0..3 on one port, but it is possible to connect these data lines in different order or even on different ports by adapting the LCD_DATAx_PORT and LCD_DATAx_PIN definitions.</p>
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<p>Adjust these definitions to your target.<br />
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These definitions can be defined in a separate include file <b>lcd_definitions.h</b> instead modifying this file by adding <b>-D_LCD_DEFINITIONS_FILE</b> to the <b>CDEFS</b> section in the Makefile. All definitions added to the file lcd_definitions.h will override the default definitions from <a class="el" href="lcd_8h.html">lcd.h</a> </p>
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</td></tr>
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<tr class="memitem:ga659fcdf979f69bbd14f852f525f25e02"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga659fcdf979f69bbd14f852f525f25e02">LCD_IO_MODE</a>   1</td></tr>
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<tr class="separator:ga659fcdf979f69bbd14f852f525f25e02"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gabcf42bd88b3c36193f301ca25b033875"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a>   PORTA</td></tr>
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<tr class="memitem:gafc0acd4774bcd311595732f5367e266b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gafc0acd4774bcd311595732f5367e266b">LCD_DATA0_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:gafc0acd4774bcd311595732f5367e266b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga345af0248d5739bd8896d4f585618ca2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga345af0248d5739bd8896d4f585618ca2">LCD_DATA1_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:ga345af0248d5739bd8896d4f585618ca2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4d5c48a3f2b9426c14bbca3150834a20"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga4d5c48a3f2b9426c14bbca3150834a20">LCD_DATA2_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:ga4d5c48a3f2b9426c14bbca3150834a20"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaec71b6692f2af7c9de32dbe85fcb51c2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gaec71b6692f2af7c9de32dbe85fcb51c2">LCD_DATA3_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:gaec71b6692f2af7c9de32dbe85fcb51c2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafe54d7d886b5c56bed0cf971febbb773"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gafe54d7d886b5c56bed0cf971febbb773">LCD_DATA0_PIN</a>   0</td></tr>
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<tr class="separator:gafe54d7d886b5c56bed0cf971febbb773"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga97fb520e7b83bb047ac5c9247de57049"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga97fb520e7b83bb047ac5c9247de57049">LCD_DATA1_PIN</a>   1</td></tr>
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<tr class="separator:ga97fb520e7b83bb047ac5c9247de57049"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7f3d53627337f6535cc8daa35876510a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga7f3d53627337f6535cc8daa35876510a">LCD_DATA2_PIN</a>   2</td></tr>
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<tr class="separator:ga7f3d53627337f6535cc8daa35876510a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga54032ce0050853e181f879b69fec4370"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga54032ce0050853e181f879b69fec4370">LCD_DATA3_PIN</a>   3</td></tr>
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<tr class="separator:ga54032ce0050853e181f879b69fec4370"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac5be2a22727fd9ca349e1c9bcbfbcd47"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gac5be2a22727fd9ca349e1c9bcbfbcd47">LCD_RS_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:gac5be2a22727fd9ca349e1c9bcbfbcd47"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae5c0a0a5750f3aaea06083e3a4a31f5d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gae5c0a0a5750f3aaea06083e3a4a31f5d">LCD_RS_PIN</a>   4</td></tr>
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<tr class="separator:gae5c0a0a5750f3aaea06083e3a4a31f5d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae8772bdf31db863b81805c837bdc2da2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gae8772bdf31db863b81805c837bdc2da2">LCD_RW_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:gae8772bdf31db863b81805c837bdc2da2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3ac938dd5fc02a9a232df6605b5f6aa8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga3ac938dd5fc02a9a232df6605b5f6aa8">LCD_RW_PIN</a>   5</td></tr>
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<tr class="separator:ga3ac938dd5fc02a9a232df6605b5f6aa8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf97f97ff3832d1289bbcb471090ea297"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gaf97f97ff3832d1289bbcb471090ea297">LCD_E_PORT</a>   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td></tr>
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<tr class="separator:gaf97f97ff3832d1289bbcb471090ea297"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae644d776392a8d47899d9910c2b8feb6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gae644d776392a8d47899d9910c2b8feb6">LCD_E_PIN</a>   6</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Definitions of delays</h2></td></tr>
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<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrp73324fc181df7d63636f86a5b76e74f2"></a>Used to calculate delay timers. Adapt the F_CPU define in the Makefile to the clock frequency in Hz of your target</p>
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<p>These delay times can be adjusted, if some displays require different delays.<br />
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These definitions can be defined in a separate include file <b>lcd_definitions.h</b> instead modifying this file by adding <b>-D_LCD_DEFINITIONS_FILE</b> to the <b>CDEFS</b> section in the Makefile. All definitions added to the file lcd_definitions.h will override the default definitions from <a class="el" href="lcd_8h.html">lcd.h</a> </p>
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</td></tr>
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<tr class="memitem:ga79ca3fe83448ab158a4c566bf292c260"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga79ca3fe83448ab158a4c566bf292c260">LCD_DELAY_BOOTUP</a>   16000</td></tr>
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<tr class="memitem:gab6ba3c8cdcf1a96b0d4c476eff8f8617"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gab6ba3c8cdcf1a96b0d4c476eff8f8617">LCD_DELAY_INIT</a>   5000</td></tr>
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<tr class="memitem:ga2ce1ac9b146b7baa7169e27f9cf3a99e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga2ce1ac9b146b7baa7169e27f9cf3a99e">LCD_DELAY_INIT_REP</a>   64</td></tr>
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<tr class="separator:ga2ce1ac9b146b7baa7169e27f9cf3a99e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gadf773dcbd0827cd15c788065c9197459"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gadf773dcbd0827cd15c788065c9197459">LCD_DELAY_INIT_4BIT</a>   64</td></tr>
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<tr class="memitem:ga73b2370827e2d350cedd45e08a9eb0b2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga73b2370827e2d350cedd45e08a9eb0b2">LCD_DELAY_BUSY_FLAG</a>   4</td></tr>
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<tr class="memitem:ga5b0632f09757ffe6f018c6ef88cc3296"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga5b0632f09757ffe6f018c6ef88cc3296">LCD_DELAY_ENABLE_PULSE</a>   1</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Definitions for LCD command instructions</h2></td></tr>
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<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrpe1b1604cb195ab970ebf8b6b8b3e322f"></a>The constants define the various LCD controller instructions which can be passed to the function <a class="el" href="group__pfleury__lcd.html#gaea9d14f02df06f948cb5a56776980826" title="Send LCD controller instruction command. ">lcd_command()</a>, see HD44780 data sheet for a complete description. </p>
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</td></tr>
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<tr class="memitem:ga459688213267d13ccfbeb2c9004988cb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga459688213267d13ccfbeb2c9004988cb"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_CLR</b>   0 /* DB0: clear display */</td></tr>
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<tr class="memitem:gae0e309ccad89222eb3457f2da9f2bb8d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae0e309ccad89222eb3457f2da9f2bb8d"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_HOME</b>   1 /* DB1: return to home position */</td></tr>
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<tr class="memitem:gae5d757ddb6d94de8c82191b60b40e442"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae5d757ddb6d94de8c82191b60b40e442"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_MODE</b>   2 /* DB2: set entry mode */</td></tr>
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<tr class="separator:gae5d757ddb6d94de8c82191b60b40e442"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gada766266a0be0d0040fbf86e23b58aa6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gada766266a0be0d0040fbf86e23b58aa6"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_INC</b>   1 /* DB1: 1=increment, 0=decrement */</td></tr>
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<tr class="separator:gada766266a0be0d0040fbf86e23b58aa6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga14d0c7fda147e0dc8cdaa4a2629b3532"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga14d0c7fda147e0dc8cdaa4a2629b3532"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_SHIFT</b>   0 /* DB2: 1=display shift on */</td></tr>
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<tr class="memitem:ga47a809dfec086fdeca93dedc4fb83b44"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga47a809dfec086fdeca93dedc4fb83b44"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ON</b>   3 /* DB3: turn lcd/cursor on */</td></tr>
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<tr class="separator:ga47a809dfec086fdeca93dedc4fb83b44"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae84f634b0a1661c4d5bbaafd9397732a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae84f634b0a1661c4d5bbaafd9397732a"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ON_DISPLAY</b>   2 /* DB2: turn display on */</td></tr>
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<tr class="memitem:ga47638b5ebbaec9600a0ebf9a55caf802"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga47638b5ebbaec9600a0ebf9a55caf802"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ON_CURSOR</b>   1 /* DB1: turn cursor on */</td></tr>
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<tr class="separator:ga47638b5ebbaec9600a0ebf9a55caf802"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga5d76592a978537acee615098ce4d80f5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga5d76592a978537acee615098ce4d80f5"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ON_BLINK</b>   0 /* DB0: blinking cursor ? */</td></tr>
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<tr class="separator:ga5d76592a978537acee615098ce4d80f5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3f4f758b80fcfa6c9e4db58e2515c78a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga3f4f758b80fcfa6c9e4db58e2515c78a"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE</b>   4 /* DB4: move cursor/display */</td></tr>
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<tr class="separator:ga3f4f758b80fcfa6c9e4db58e2515c78a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaaddc2afa9a02bfa748950f2c1e6a204d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaaddc2afa9a02bfa748950f2c1e6a204d"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE_DISP</b>   3 /* DB3: move display (0-> cursor) ? */</td></tr>
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<tr class="separator:gaaddc2afa9a02bfa748950f2c1e6a204d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga97cdb19acf109ad52ab4994d2ad02cee"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga97cdb19acf109ad52ab4994d2ad02cee"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE_RIGHT</b>   2 /* DB2: move right (0-> left) ? */</td></tr>
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<tr class="separator:ga97cdb19acf109ad52ab4994d2ad02cee"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga50de1697f1da8ab075a6b4d7aeace64e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga50de1697f1da8ab075a6b4d7aeace64e"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION</b>   5 /* DB5: function set */</td></tr>
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<tr class="memitem:ga91d15d8e3008f6cb141406a8b5d0d3c0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga91d15d8e3008f6cb141406a8b5d0d3c0"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_8BIT</b>   4 /* DB4: set 8BIT mode (0->4BIT mode) */</td></tr>
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<tr class="memitem:ga6c24806bed18d565917165caa3475463"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6c24806bed18d565917165caa3475463"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_2LINES</b>   3 /* DB3: two lines (0->one line) */</td></tr>
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<tr class="separator:ga6c24806bed18d565917165caa3475463"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga48de81358277fe4f2810c2b82f90397e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga48de81358277fe4f2810c2b82f90397e"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_10DOTS</b>   2 /* DB2: 5x10 font (0->5x7 font) */</td></tr>
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<tr class="separator:ga48de81358277fe4f2810c2b82f90397e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3b38de74c362be1781fef1136aa9684c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga3b38de74c362be1781fef1136aa9684c"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_CGRAM</b>   6 /* DB6: set CG RAM address */</td></tr>
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<tr class="separator:ga3b38de74c362be1781fef1136aa9684c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae54acf3ccc45b7d6be334a03627740c6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae54acf3ccc45b7d6be334a03627740c6"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_DDRAM</b>   7 /* DB7: set DD RAM address */</td></tr>
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<tr class="separator:gae54acf3ccc45b7d6be334a03627740c6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac8dd1658e235f174d1cabae5c438943d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac8dd1658e235f174d1cabae5c438943d"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_BUSY</b>   7 /* DB7: LCD is busy */</td></tr>
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<tr class="separator:gac8dd1658e235f174d1cabae5c438943d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaad56f8e07634e85663f56888ae97089c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaad56f8e07634e85663f56888ae97089c"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_DEC</b>   0x04 /* display shift off, dec cursor move dir */</td></tr>
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<tr class="separator:gaad56f8e07634e85663f56888ae97089c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1c62932f252c6262cbef728add9696e4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga1c62932f252c6262cbef728add9696e4"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_DEC_SHIFT</b>   0x05 /* display shift on, dec cursor move dir */</td></tr>
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<tr class="separator:ga1c62932f252c6262cbef728add9696e4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad27ddc4b8d03594662c8757f946dde28"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gad27ddc4b8d03594662c8757f946dde28"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_INC_</b>   0x06 /* display shift off, inc cursor move dir */</td></tr>
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<tr class="separator:gad27ddc4b8d03594662c8757f946dde28"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafabd0215cc6ae5539dc638dbec44a506"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gafabd0215cc6ae5539dc638dbec44a506"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_ENTRY_INC_SHIFT</b>   0x07 /* display shift on, inc cursor move dir */</td></tr>
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<tr class="separator:gafabd0215cc6ae5539dc638dbec44a506"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa2966175115943883f51e9c90478540c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaa2966175115943883f51e9c90478540c"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_DISP_OFF</b>   0x08 /* display off */</td></tr>
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<tr class="memitem:ga5163a96b133868975c0738e180b30cb8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga5163a96b133868975c0738e180b30cb8"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_DISP_ON</b>   0x0C /* display on, cursor off */</td></tr>
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<tr class="separator:ga5163a96b133868975c0738e180b30cb8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga470cef85de53e37356b22c66a357a764"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga470cef85de53e37356b22c66a357a764"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_DISP_ON_BLINK</b>   0x0D /* display on, cursor off, blink char */</td></tr>
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<tr class="memitem:gaf56b6d6bdb6fa48b26106dee5f74ae1f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaf56b6d6bdb6fa48b26106dee5f74ae1f"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_DISP_ON_CURSOR</b>   0x0E /* display on, cursor on */</td></tr>
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<tr class="memitem:gac1984ed0db15c6991d34c184fdca5dc6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac1984ed0db15c6991d34c184fdca5dc6"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_DISP_ON_CURSOR_BLINK</b>   0x0F /* display on, cursor on, blink char */</td></tr>
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<tr class="memitem:gac2f0ddce1daaa1bf1a016270a89a264b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac2f0ddce1daaa1bf1a016270a89a264b"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE_CURSOR_LEFT</b>   0x10 /* move cursor left (decrement) */</td></tr>
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<tr class="separator:gac2f0ddce1daaa1bf1a016270a89a264b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0ad58e39e053e97d34527fcbe936899b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga0ad58e39e053e97d34527fcbe936899b"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE_CURSOR_RIGHT</b>   0x14 /* move cursor right (increment) */</td></tr>
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<tr class="separator:ga0ad58e39e053e97d34527fcbe936899b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab3c34ff1eee238bbe9c677215219fb8e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gab3c34ff1eee238bbe9c677215219fb8e"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE_DISP_LEFT</b>   0x18 /* shift display left */</td></tr>
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<tr class="separator:gab3c34ff1eee238bbe9c677215219fb8e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9a90bb926f5ba59378af81fe8e246ffb"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga9a90bb926f5ba59378af81fe8e246ffb"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MOVE_DISP_RIGHT</b>   0x1C /* shift display right */</td></tr>
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<tr class="separator:ga9a90bb926f5ba59378af81fe8e246ffb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaff4e5baa36a0322eb97557dcb18cd96e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaff4e5baa36a0322eb97557dcb18cd96e"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_4BIT_1LINE</b>   0x20 /* 4-bit interface, single line, 5x7 dots */</td></tr>
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<tr class="separator:gaff4e5baa36a0322eb97557dcb18cd96e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab35032ab368a8bc90798e0c547fb24c2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gab35032ab368a8bc90798e0c547fb24c2"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_4BIT_2LINES</b>   0x28 /* 4-bit interface, dual line, 5x7 dots */</td></tr>
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<tr class="separator:gab35032ab368a8bc90798e0c547fb24c2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa8aeee098cb4c84ec420e00d054abcce"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaa8aeee098cb4c84ec420e00d054abcce"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_8BIT_1LINE</b>   0x30 /* 8-bit interface, single line, 5x7 dots */</td></tr>
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<tr class="separator:gaa8aeee098cb4c84ec420e00d054abcce"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga160a214f47869f8f98ad5add3a7568db"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga160a214f47869f8f98ad5add3a7568db"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_FUNCTION_8BIT_2LINES</b>   0x38 /* 8-bit interface, dual line, 5x7 dots */</td></tr>
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<tr class="separator:ga160a214f47869f8f98ad5add3a7568db"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga1849e2087d3034a3fffa67444beed109"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga1849e2087d3034a3fffa67444beed109"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>LCD_MODE_DEFAULT</b>   ((1<<LCD_ENTRY_MODE) | (1<<LCD_ENTRY_INC) )</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga9af28b2779326b63ff4356e2b1828984"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga9af28b2779326b63ff4356e2b1828984">lcd_init</a> (uint8_t dispAttr)</td></tr>
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<tr class="memdesc:ga9af28b2779326b63ff4356e2b1828984"><td class="mdescLeft"> </td><td class="mdescRight">Initialize display and select type of cursor. <a href="#ga9af28b2779326b63ff4356e2b1828984">More...</a><br /></td></tr>
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<tr class="separator:ga9af28b2779326b63ff4356e2b1828984"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf8da853dba4b9d5f2aea4e294444e14d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gaf8da853dba4b9d5f2aea4e294444e14d">lcd_clrscr</a> (void)</td></tr>
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<tr class="memdesc:gaf8da853dba4b9d5f2aea4e294444e14d"><td class="mdescLeft"> </td><td class="mdescRight">Clear display and set cursor to home position. <a href="#gaf8da853dba4b9d5f2aea4e294444e14d">More...</a><br /></td></tr>
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<tr class="separator:gaf8da853dba4b9d5f2aea4e294444e14d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga3aabf730aa4e0393bb5c959583c00a8e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga3aabf730aa4e0393bb5c959583c00a8e">lcd_home</a> (void)</td></tr>
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<tr class="memdesc:ga3aabf730aa4e0393bb5c959583c00a8e"><td class="mdescLeft"> </td><td class="mdescRight">Set cursor to home position. <a href="#ga3aabf730aa4e0393bb5c959583c00a8e">More...</a><br /></td></tr>
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<tr class="separator:ga3aabf730aa4e0393bb5c959583c00a8e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gadbf47a5efdf02367ded1ebf8f9edb5fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gadbf47a5efdf02367ded1ebf8f9edb5fe">lcd_gotoxy</a> (uint8_t x, uint8_t y)</td></tr>
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<tr class="memdesc:gadbf47a5efdf02367ded1ebf8f9edb5fe"><td class="mdescLeft"> </td><td class="mdescRight">Set cursor to specified position. <a href="#gadbf47a5efdf02367ded1ebf8f9edb5fe">More...</a><br /></td></tr>
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<tr class="separator:gadbf47a5efdf02367ded1ebf8f9edb5fe"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafa7e36b95c43d603f510273ad077cbbe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gafa7e36b95c43d603f510273ad077cbbe">lcd_putc</a> (char c)</td></tr>
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<tr class="memdesc:gafa7e36b95c43d603f510273ad077cbbe"><td class="mdescLeft"> </td><td class="mdescRight">Display character at current cursor position. <a href="#gafa7e36b95c43d603f510273ad077cbbe">More...</a><br /></td></tr>
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<tr class="separator:gafa7e36b95c43d603f510273ad077cbbe"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8ffdfcac7638368ff04364c14984266e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga8ffdfcac7638368ff04364c14984266e">lcd_puts</a> (const char *s)</td></tr>
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<tr class="memdesc:ga8ffdfcac7638368ff04364c14984266e"><td class="mdescLeft"> </td><td class="mdescRight">Display string without auto linefeed. <a href="#ga8ffdfcac7638368ff04364c14984266e">More...</a><br /></td></tr>
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<tr class="separator:ga8ffdfcac7638368ff04364c14984266e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9022a24a56a9b15681f62eb6ba77e5de"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga9022a24a56a9b15681f62eb6ba77e5de">lcd_puts_p</a> (const char *progmem_s)</td></tr>
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<tr class="memdesc:ga9022a24a56a9b15681f62eb6ba77e5de"><td class="mdescLeft"> </td><td class="mdescRight">Display string from program memory without auto linefeed. <a href="#ga9022a24a56a9b15681f62eb6ba77e5de">More...</a><br /></td></tr>
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<tr class="separator:ga9022a24a56a9b15681f62eb6ba77e5de"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaea9d14f02df06f948cb5a56776980826"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gaea9d14f02df06f948cb5a56776980826">lcd_command</a> (uint8_t cmd)</td></tr>
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<tr class="memdesc:gaea9d14f02df06f948cb5a56776980826"><td class="mdescLeft"> </td><td class="mdescRight">Send LCD controller instruction command. <a href="#gaea9d14f02df06f948cb5a56776980826">More...</a><br /></td></tr>
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<tr class="separator:gaea9d14f02df06f948cb5a56776980826"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad0729d2cba627825a089ca1fff12ba29"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#gad0729d2cba627825a089ca1fff12ba29">lcd_data</a> (uint8_t data)</td></tr>
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<tr class="memdesc:gad0729d2cba627825a089ca1fff12ba29"><td class="mdescLeft"> </td><td class="mdescRight">Send data byte to LCD controller. <a href="#gad0729d2cba627825a089ca1fff12ba29">More...</a><br /></td></tr>
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<tr class="separator:gad0729d2cba627825a089ca1fff12ba29"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4f1928f1515e21422d5a33af2949f2f7"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga4f1928f1515e21422d5a33af2949f2f7"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pfleury__lcd.html#ga4f1928f1515e21422d5a33af2949f2f7">lcd_puts_P</a>(__s)   <a class="el" href="group__pfleury__lcd.html#ga9022a24a56a9b15681f62eb6ba77e5de">lcd_puts_p</a>(PSTR(__s))</td></tr>
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<tr class="memdesc:ga4f1928f1515e21422d5a33af2949f2f7"><td class="mdescLeft"> </td><td class="mdescRight">macros for automatically storing string constant in program memory <br /></td></tr>
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</table>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<a class="anchor" id="ga63574b03f72a197aeee823aae95dc3b7"></a>
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<td class="memname">#define LCD_CONTROLLER_KS0073   0</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Use 0 for HD44780 controller, 1 for KS0073 controller </p>
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</div>
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<td class="memname">#define LCD_LINES   2</td>
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</table>
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</div><div class="memdoc">
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<p>number of visible lines of the display </p>
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</div>
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</div>
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<a class="anchor" id="ga684bb4392e384b7ae7c660d81dacb930"></a>
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<td class="memname">#define LCD_DISP_LENGTH   16</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>visibles characters per line of the display </p>
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</div>
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</div>
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<a class="anchor" id="gae59a728d9dee9f12c817b29d38746ed9"></a>
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<td class="memname">#define LCD_LINE_LENGTH   0x40</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>internal line length of the display </p>
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</div>
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</div>
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<a class="anchor" id="gabd056d70a1488ea2eb1aef87e248e234"></a>
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<td class="memname">#define LCD_START_LINE1   0x00</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>DDRAM address of first char of line 1 </p>
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</div>
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</div>
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<a class="anchor" id="ga7b317b21058ef031716ba040ef75430a"></a>
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<td class="memname">#define LCD_START_LINE2   0x40</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>DDRAM address of first char of line 2 </p>
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</div>
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</div>
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<a class="anchor" id="gae7cca16353048a062baeb3a52da55249"></a>
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<td class="memname">#define LCD_START_LINE3   0x14</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>DDRAM address of first char of line 3 </p>
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</div>
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<a class="anchor" id="gab1b73e05bdb5cc12cdff5a1cf6c4f2a2"></a>
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<td class="memname">#define LCD_START_LINE4   0x54</td>
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</table>
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</div><div class="memdoc">
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<p>DDRAM address of first char of line 4 </p>
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</div>
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</div>
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<a class="anchor" id="gadb35ff6cb242e48ba0545ea919ffc5d3"></a>
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<td class="memname">#define LCD_WRAP_LINES   0</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>0: no wrap, 1: wrap at end of visibile line </p>
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</div>
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</div>
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<a class="anchor" id="ga659fcdf979f69bbd14f852f525f25e02"></a>
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<td class="memname">#define LCD_IO_MODE   1</td>
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</table>
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</div><div class="memdoc">
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<p>0: memory mapped mode, 1: IO port mode </p>
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</div>
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</div>
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<a class="anchor" id="gabcf42bd88b3c36193f301ca25b033875"></a>
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<td class="memname">#define LCD_PORT   PORTA</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>port for the LCD lines </p>
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</div>
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</div>
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<a class="anchor" id="gafc0acd4774bcd311595732f5367e266b"></a>
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<td class="memname">#define LCD_DATA0_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>port for 4bit data bit 0 </p>
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</div>
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</div>
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<a class="anchor" id="ga345af0248d5739bd8896d4f585618ca2"></a>
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<td class="memname">#define LCD_DATA1_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>port for 4bit data bit 1 </p>
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</div>
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</div>
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<a class="anchor" id="ga4d5c48a3f2b9426c14bbca3150834a20"></a>
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<td class="memname">#define LCD_DATA2_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>port for 4bit data bit 2 </p>
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</div>
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<a class="anchor" id="gaec71b6692f2af7c9de32dbe85fcb51c2"></a>
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<td class="memname">#define LCD_DATA3_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>port for 4bit data bit 3 </p>
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</div>
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</div>
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<a class="anchor" id="gafe54d7d886b5c56bed0cf971febbb773"></a>
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<td class="memname">#define LCD_DATA0_PIN   0</td>
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</table>
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</div><div class="memdoc">
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<p>pin for 4bit data bit 0 </p>
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</div>
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</div>
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<a class="anchor" id="ga97fb520e7b83bb047ac5c9247de57049"></a>
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<td class="memname">#define LCD_DATA1_PIN   1</td>
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</div><div class="memdoc">
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<p>pin for 4bit data bit 1 </p>
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</div>
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</div>
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<a class="anchor" id="ga7f3d53627337f6535cc8daa35876510a"></a>
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<td class="memname">#define LCD_DATA2_PIN   2</td>
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</div><div class="memdoc">
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<p>pin for 4bit data bit 2 </p>
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</div>
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</div>
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<a class="anchor" id="ga54032ce0050853e181f879b69fec4370"></a>
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<td class="memname">#define LCD_DATA3_PIN   3</td>
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</div><div class="memdoc">
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<p>pin for 4bit data bit 3 </p>
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</div>
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</div>
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<a class="anchor" id="gac5be2a22727fd9ca349e1c9bcbfbcd47"></a>
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<td class="memname">#define LCD_RS_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>port for RS line </p>
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</div>
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</div>
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<a class="anchor" id="gae5c0a0a5750f3aaea06083e3a4a31f5d"></a>
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<td class="memname">#define LCD_RS_PIN   4</td>
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<p>pin for RS line </p>
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</div>
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<a class="anchor" id="gae8772bdf31db863b81805c837bdc2da2"></a>
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<td class="memname">#define LCD_RW_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</table>
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</div><div class="memdoc">
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<p>port for RW line </p>
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</div>
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<a class="anchor" id="ga3ac938dd5fc02a9a232df6605b5f6aa8"></a>
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<td class="memname">#define LCD_RW_PIN   5</td>
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<p>pin for RW line </p>
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<a class="anchor" id="gaf97f97ff3832d1289bbcb471090ea297"></a>
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<td class="memname">#define LCD_E_PORT   <a class="el" href="group__pfleury__lcd.html#gabcf42bd88b3c36193f301ca25b033875">LCD_PORT</a></td>
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</table>
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</div><div class="memdoc">
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<p>port for Enable line </p>
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</div>
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</div>
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<a class="anchor" id="gae644d776392a8d47899d9910c2b8feb6"></a>
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<td class="memname">#define LCD_E_PIN   6</td>
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</table>
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<p>pin for Enable line </p>
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</div>
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<a class="anchor" id="ga79ca3fe83448ab158a4c566bf292c260"></a>
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<td class="memname">#define LCD_DELAY_BOOTUP   16000</td>
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<p>delay in micro seconds after power-on </p>
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<td class="memname">#define LCD_DELAY_INIT   5000</td>
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<p>delay in micro seconds after initialization command sent </p>
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<td class="memname">#define LCD_DELAY_INIT_REP   64</td>
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</div><div class="memdoc">
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<p>delay in micro seconds after initialization command repeated </p>
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<td class="memname">#define LCD_DELAY_INIT_4BIT   64</td>
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</div><div class="memdoc">
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<p>delay in micro seconds after setting 4-bit mode </p>
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<td class="memname">#define LCD_DELAY_BUSY_FLAG   4</td>
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</div><div class="memdoc">
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<p>time in micro seconds the address counter is updated after busy flag is cleared </p>
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<td class="memname">#define LCD_DELAY_ENABLE_PULSE   1</td>
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<p>enable signal pulse width in micro seconds </p>
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</div>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">void lcd_init </td>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>dispAttr</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Initialize display and select type of cursor. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">dispAttr</td><td><b>LCD_DISP_OFF</b> display off<br />
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<b>LCD_DISP_ON</b> display on, cursor off<br />
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<b>LCD_DISP_ON_CURSOR</b> display on, cursor on<br />
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<b>LCD_DISP_ON_CURSOR_BLINK</b> display on, cursor on flashing </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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</div>
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</div>
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<td class="memname">void lcd_clrscr </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Clear display and set cursor to home position. </p>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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</div>
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<td class="memname">void lcd_home </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Set cursor to home position. </p>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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<td class="memname">void lcd_gotoxy </td>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>x</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>y</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Set cursor to specified position. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>horizontal position<br />
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(0: left most position) </td></tr>
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<tr><td class="paramname">y</td><td>vertical position<br />
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(0: first line) </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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<td class="memname">void lcd_putc </td>
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<td>(</td>
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<td class="paramtype">char </td>
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<td class="paramname"><em>c</em></td><td>)</td>
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<td></td>
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<p>Display character at current cursor position. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">c</td><td>character to be displayed </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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<td class="memname">void lcd_puts </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>s</em></td><td>)</td>
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<td></td>
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<p>Display string without auto linefeed. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">s</td><td>string to be displayed </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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<td class="memname">void lcd_puts_p </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>progmem_s</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Display string from program memory without auto linefeed. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">progmem_s</td><td>string from program memory be be displayed </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__pfleury__lcd.html#ga4f1928f1515e21422d5a33af2949f2f7" title="macros for automatically storing string constant in program memory ">lcd_puts_P</a> </dd></dl>
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<td class="memname">void lcd_command </td>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>cmd</em></td><td>)</td>
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<td></td>
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<p>Send LCD controller instruction command. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">cmd</td><td>instruction to send to LCD controller, see HD44780 data sheet </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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<td class="memname">void lcd_data </td>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>data</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Send data byte to LCD controller. </p>
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<p>Similar to <a class="el" href="group__pfleury__lcd.html#gafa7e36b95c43d603f510273ad077cbbe" title="Display character at current cursor position. ">lcd_putc()</a>, but without interpreting LF </p><dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">data</td><td>byte to send to LCD controller, see HD44780 data sheet </td></tr>
|
|
</table>
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</dd>
|
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</dl>
|
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<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
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</div>
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</div>
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</div><!-- contents -->
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