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| 1 | 6 | kaklik | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
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| 3 | <title>Procyon AVRlib: ks0108.c Source File</title> |
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| 7 | <div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related Pages</a></div> |
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| 8 | <h1>ks0108.c</h1><a href="ks0108_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file ks0108.c \brief Graphic LCD driver for HD61202/KS0108 displays. */</span> |
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| 9 | 00002 <span class="comment">//*****************************************************************************</span> |
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| 10 | 00003 <span class="comment">//</span> |
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| 11 | 00004 <span class="comment">// File Name : 'ks0108.c'</span> |
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| 12 | 00005 <span class="comment">// Title : Graphic LCD driver for HD61202/KS0108 displays</span> |
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| 13 | 00006 <span class="comment">// Author : Pascal Stang - Copyright (C) 2001-2003</span> |
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| 14 | 00007 <span class="comment">// Date : 10/19/2002</span> |
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| 15 | 00008 <span class="comment">// Revised : 5/5/2003</span> |
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| 16 | 00009 <span class="comment">// Version : 0.5</span> |
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| 17 | 00010 <span class="comment">// Target MCU : Atmel AVR</span> |
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| 18 | 00011 <span class="comment">// Editor Tabs : 4</span> |
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| 19 | 00012 <span class="comment">//</span> |
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| 20 | 00013 <span class="comment">// NOTE: This code is currently below version 1.0, and therefore is considered</span> |
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| 21 | 00014 <span class="comment">// to be lacking in some functionality or documentation, or may not be fully</span> |
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| 22 | 00015 <span class="comment">// tested. Nonetheless, you can expect most functions to work.</span> |
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| 23 | 00016 <span class="comment">//</span> |
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| 24 | 00017 <span class="comment">// This code is distributed under the GNU Public License</span> |
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| 25 | 00018 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span> |
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| 26 | 00019 <span class="comment">//</span> |
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| 27 | 00020 <span class="comment">//*****************************************************************************</span> |
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| 28 | 00021 |
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| 29 | 00022 <span class="preprocessor">#ifndef WIN32</span> |
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| 30 | 00023 <span class="preprocessor"></span><span class="comment">// AVR specific includes</span> |
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| 31 | 00024 <span class="preprocessor"> #include <avr/io.h></span> |
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| 32 | 00025 <span class="preprocessor"> #include <avr/interrupt.h></span> |
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| 33 | 00026 <span class="preprocessor">#endif</span> |
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| 34 | 00027 <span class="preprocessor"></span> |
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| 35 | 00028 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span> |
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| 36 | 00029 <span class="preprocessor">#include "<a class="code" href="ks0108_8h.html">ks0108.h</a>"</span> |
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| 37 | 00030 |
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| 38 | 00031 <span class="comment">// global variables</span> |
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| 39 | 00032 GrLcdStateType GrLcdState; |
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| 40 | 00033 |
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| 41 | 00034 <span class="comment">/*************************************************************/</span> |
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| 42 | 00035 <span class="comment">/********************** LOCAL FUNCTIONS **********************/</span> |
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| 43 | 00036 <span class="comment">/*************************************************************/</span> |
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| 44 | 00037 |
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| 45 | 00038 <span class="keywordtype">void</span> glcdInitHW(<span class="keywordtype">void</span>) |
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| 46 | 00039 { |
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| 47 | 00040 <span class="comment">// initialize I/O ports</span> |
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| 48 | 00041 <span class="comment">// if I/O interface is in use</span> |
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| 49 | 00042 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 50 | 00043 <span class="preprocessor"></span> |
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| 51 | 00044 <span class="comment">//TODO: make setup of chip select lines contingent on how</span> |
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| 52 | 00045 <span class="comment">// many controllers are actually in the display</span> |
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| 53 | 00046 |
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| 54 | 00047 <span class="comment">// initialize LCD control lines levels</span> |
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| 55 | 00048 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RS); |
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| 56 | 00049 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 57 | 00050 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 58 | 00051 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS0); |
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| 59 | 00052 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS1); |
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| 60 | 00053 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS2); |
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| 61 | 00054 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS3); |
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| 62 | 00055 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RESET); |
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| 63 | 00056 <span class="comment">// initialize LCD control port to output</span> |
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| 64 | 00057 sbi(GLCD_CTRL_DDR, GLCD_CTRL_RS); |
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| 65 | 00058 sbi(GLCD_CTRL_DDR, GLCD_CTRL_RW); |
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| 66 | 00059 sbi(GLCD_CTRL_DDR, GLCD_CTRL_E); |
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| 67 | 00060 sbi(GLCD_CTRL_DDR, GLCD_CTRL_CS0); |
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| 68 | 00061 sbi(GLCD_CTRL_DDR, GLCD_CTRL_CS1); |
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| 69 | 00062 sbi(GLCD_CTRL_DDR, GLCD_CTRL_CS2); |
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| 70 | 00063 sbi(GLCD_CTRL_DDR, GLCD_CTRL_CS3); |
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| 71 | 00064 sbi(GLCD_CTRL_DDR, GLCD_CTRL_RESET); |
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| 72 | 00065 <span class="comment">// initialize LCD data</span> |
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| 73 | 00066 outb(GLCD_DATA_PORT, 0x00); |
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| 74 | 00067 <span class="comment">// initialize LCD data port to output</span> |
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| 75 | 00068 outb(GLCD_DATA_DDR, 0xFF); |
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| 76 | 00069 <span class="preprocessor">#endif</span> |
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| 77 | 00070 <span class="preprocessor"></span>} |
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| 78 | 00071 |
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| 79 | 00072 <span class="keywordtype">void</span> glcdControllerSelect(u08 controller) |
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| 80 | 00073 { |
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| 81 | 00074 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 82 | 00075 <span class="preprocessor"></span> <span class="comment">//TODO: make control of chip select lines contingent on how</span> |
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| 83 | 00076 <span class="comment">// many controllers are actually in the display</span> |
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| 84 | 00077 |
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| 85 | 00078 <span class="comment">// unselect all controllers</span> |
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| 86 | 00079 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS0); |
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| 87 | 00080 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS1); |
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| 88 | 00081 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS2); |
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| 89 | 00082 cbi(GLCD_CTRL_PORT, GLCD_CTRL_CS3); |
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| 90 | 00083 |
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| 91 | 00084 <span class="comment">// select requested controller</span> |
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| 92 | 00085 <span class="keywordflow">switch</span>(controller) |
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| 93 | 00086 { |
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| 94 | 00087 <span class="keywordflow">case</span> 0: sbi(GLCD_CTRL_PORT, GLCD_CTRL_CS0); <span class="keywordflow">break</span>; |
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| 95 | 00088 <span class="keywordflow">case</span> 1: sbi(GLCD_CTRL_PORT, GLCD_CTRL_CS1); <span class="keywordflow">break</span>; |
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| 96 | 00089 <span class="keywordflow">case</span> 2: sbi(GLCD_CTRL_PORT, GLCD_CTRL_CS2); <span class="keywordflow">break</span>; |
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| 97 | 00090 <span class="keywordflow">case</span> 3: sbi(GLCD_CTRL_PORT, GLCD_CTRL_CS3); <span class="keywordflow">break</span>; |
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| 98 | 00091 <span class="keywordflow">default</span>: <span class="keywordflow">break</span>; |
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| 99 | 00092 } |
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| 100 | 00093 <span class="preprocessor">#endif</span> |
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| 101 | 00094 <span class="preprocessor"></span>} |
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| 102 | 00095 |
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| 103 | 00096 <span class="keywordtype">void</span> glcdBusyWait(u08 controller) |
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| 104 | 00097 { |
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| 105 | 00098 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 106 | 00099 <span class="preprocessor"></span> cli(); |
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| 107 | 00100 <span class="comment">// wait until LCD busy bit goes to zero</span> |
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| 108 | 00101 <span class="comment">// select the controller chip</span> |
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| 109 | 00102 glcdControllerSelect(controller); |
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| 110 | 00103 <span class="comment">// do a read from control register</span> |
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| 111 | 00104 outb(GLCD_DATA_PORT, 0xFF); |
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| 112 | 00105 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RS); |
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| 113 | 00106 outb(GLCD_DATA_DDR, 0x00); |
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| 114 | 00107 sbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 115 | 00108 sbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 116 | 00109 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 117 | 00110 <span class="keywordflow">while</span>(inb(GLCD_DATA_PIN) & GLCD_STATUS_BUSY) |
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| 118 | 00111 { |
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| 119 | 00112 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 120 | 00113 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 121 | 00114 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 122 | 00115 sbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 123 | 00116 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 124 | 00117 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 125 | 00118 } |
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| 126 | 00119 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 127 | 00120 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 128 | 00121 outb(GLCD_DATA_DDR, 0xFF); |
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| 129 | 00122 sei(); |
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| 130 | 00123 <span class="preprocessor">#else</span> |
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| 131 | 00124 <span class="preprocessor"></span> <span class="comment">// sbi(MCUCR, SRW); // enable RAM waitstate</span> |
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| 132 | 00125 <span class="comment">// wait until LCD busy bit goes to zero</span> |
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| 133 | 00126 <span class="keywordflow">while</span>(*(<span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) |
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| 134 | 00127 (GLCD_CONTROLLER0_CTRL_ADDR + GLCD_CONTROLLER_ADDR_OFFSET*controller) & GLCD_STATUS_BUSY); |
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| 135 | 00128 <span class="comment">// cbi(MCUCR, SRW); // disable RAM waitstate</span> |
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| 136 | 00129 <span class="preprocessor">#endif</span> |
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| 137 | 00130 <span class="preprocessor"></span>} |
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| 138 | 00131 |
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| 139 | 00132 <span class="keywordtype">void</span> glcdControlWrite(u08 controller, u08 data) |
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| 140 | 00133 { |
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| 141 | 00134 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 142 | 00135 <span class="preprocessor"></span> cli(); |
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| 143 | 00136 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 144 | 00137 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RS); |
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| 145 | 00138 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 146 | 00139 sbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 147 | 00140 outb(GLCD_DATA_DDR, 0xFF); |
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| 148 | 00141 outb(GLCD_DATA_PORT, data); |
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| 149 | 00142 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 150 | 00143 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 151 | 00144 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 152 | 00145 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 153 | 00146 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 154 | 00147 sei(); |
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| 155 | 00148 <span class="preprocessor">#else</span> |
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| 156 | 00149 <span class="preprocessor"></span> <span class="comment">//sbi(MCUCR, SRW); // enable RAM waitstate</span> |
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| 157 | 00150 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 158 | 00151 *(<span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) (GLCD_CONTROLLER0_CTRL_ADDR + GLCD_CONTROLLER_ADDR_OFFSET*controller) = data; |
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| 159 | 00152 <span class="comment">//cbi(MCUCR, SRW); // disable RAM waitstate</span> |
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| 160 | 00153 <span class="preprocessor">#endif</span> |
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| 161 | 00154 <span class="preprocessor"></span>} |
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| 162 | 00155 |
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| 163 | 00156 u08 glcdControlRead(u08 controller) |
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| 164 | 00157 { |
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| 165 | 00158 <span class="keyword">register</span> u08 data; |
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| 166 | 00159 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 167 | 00160 <span class="preprocessor"></span> cli(); |
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| 168 | 00161 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 169 | 00162 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RS); |
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| 170 | 00163 outb(GLCD_DATA_DDR, 0x00); |
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| 171 | 00164 sbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 172 | 00165 sbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 173 | 00166 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 174 | 00167 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 175 | 00168 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 176 | 00169 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 177 | 00170 data = inb(GLCD_DATA_PIN); |
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| 178 | 00171 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 179 | 00172 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 180 | 00173 outb(GLCD_DATA_DDR, 0xFF); |
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| 181 | 00174 sei(); |
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| 182 | 00175 <span class="preprocessor">#else</span> |
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| 183 | 00176 <span class="preprocessor"></span> <span class="comment">//sbi(MCUCR, SRW); // enable RAM waitstate</span> |
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| 184 | 00177 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 185 | 00178 data = *(<span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) (GLCD_CONTROLLER0_CTRL_ADDR + GLCD_CONTROLLER_ADDR_OFFSET*controller); |
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| 186 | 00179 <span class="comment">//cbi(MCUCR, SRW); // disable RAM waitstate</span> |
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| 187 | 00180 <span class="preprocessor">#endif</span> |
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| 188 | 00181 <span class="preprocessor"></span> <span class="keywordflow">return</span> data; |
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| 189 | 00182 } |
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| 190 | 00183 |
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| 191 | 00184 <span class="keywordtype">void</span> glcdDataWrite(u08 data) |
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| 192 | 00185 { |
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| 193 | 00186 <span class="keyword">register</span> u08 controller = (GrLcdState.lcdXAddr/GLCD_CONTROLLER_XPIXELS); |
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| 194 | 00187 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 195 | 00188 <span class="preprocessor"></span> cli(); |
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| 196 | 00189 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 197 | 00190 sbi(GLCD_CTRL_PORT, GLCD_CTRL_RS); |
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| 198 | 00191 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 199 | 00192 sbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 200 | 00193 outb(GLCD_DATA_DDR, 0xFF); |
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| 201 | 00194 outb(GLCD_DATA_PORT, data); |
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| 202 | 00195 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 203 | 00196 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 204 | 00197 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 205 | 00198 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 206 | 00199 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 207 | 00200 sei(); |
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| 208 | 00201 <span class="preprocessor">#else</span> |
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| 209 | 00202 <span class="preprocessor"></span> <span class="comment">//sbi(MCUCR, SRW); // enable RAM waitstate</span> |
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| 210 | 00203 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 211 | 00204 *(<span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) (GLCD_CONTROLLER0_CTRL_ADDR + GLCD_CONTROLLER_ADDR_OFFSET*controller) = data; |
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| 212 | 00205 <span class="comment">//cbi(MCUCR, SRW); // disable RAM waitstate</span> |
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| 213 | 00206 <span class="preprocessor">#endif</span> |
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| 214 | 00207 <span class="preprocessor"></span> <span class="comment">// increment our local address counter</span> |
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| 215 | 00208 GrLcdState.ctrlr[controller].xAddr++; |
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| 216 | 00209 GrLcdState.lcdXAddr++; |
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| 217 | 00210 <span class="keywordflow">if</span>(GrLcdState.lcdXAddr >= GLCD_XPIXELS) |
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| 218 | 00211 { |
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| 219 | 00212 GrLcdState.lcdYAddr++; |
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| 220 | 00213 glcdSetYAddress(GrLcdState.lcdYAddr); |
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| 221 | 00214 glcdSetXAddress(0); |
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| 222 | 00215 } |
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| 223 | 00216 } |
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| 224 | 00217 |
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| 225 | 00218 u08 glcdDataRead(<span class="keywordtype">void</span>) |
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| 226 | 00219 { |
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| 227 | 00220 <span class="keyword">register</span> u08 data; |
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| 228 | 00221 <span class="keyword">register</span> u08 controller = (GrLcdState.lcdXAddr/GLCD_CONTROLLER_XPIXELS); |
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| 229 | 00222 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 230 | 00223 <span class="preprocessor"></span> cli(); |
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| 231 | 00224 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 232 | 00225 sbi(GLCD_CTRL_PORT, GLCD_CTRL_RS); |
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| 233 | 00226 outb(GLCD_DATA_DDR, 0x00); |
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| 234 | 00227 sbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 235 | 00228 sbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 236 | 00229 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 237 | 00230 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 238 | 00231 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 239 | 00232 <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"nop"</span>); |
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| 240 | 00233 data = inb(GLCD_DATA_PIN); |
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| 241 | 00234 cbi(GLCD_CTRL_PORT, GLCD_CTRL_E); |
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| 242 | 00235 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RW); |
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| 243 | 00236 sei(); |
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| 244 | 00237 <span class="preprocessor">#else</span> |
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| 245 | 00238 <span class="preprocessor"></span> <span class="comment">//sbi(MCUCR, SRW); // enable RAM waitstate</span> |
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| 246 | 00239 glcdBusyWait(controller); <span class="comment">// wait until LCD not busy</span> |
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| 247 | 00240 data = *(<span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) (GLCD_CONTROLLER0_CTRL_ADDR + GLCD_CONTROLLER_ADDR_OFFSET*controller); |
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| 248 | 00241 <span class="comment">//cbi(MCUCR, SRW); // disable RAM waitstate</span> |
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| 249 | 00242 <span class="preprocessor">#endif</span> |
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| 250 | 00243 <span class="preprocessor"></span> <span class="comment">// increment our local address counter</span> |
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| 251 | 00244 GrLcdState.ctrlr[controller].xAddr++; |
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| 252 | 00245 GrLcdState.lcdXAddr++; |
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| 253 | 00246 <span class="keywordflow">if</span>(GrLcdState.lcdXAddr >= GLCD_XPIXELS) |
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| 254 | 00247 { |
||
| 255 | 00248 GrLcdState.lcdYAddr++; |
||
| 256 | 00249 glcdSetYAddress(GrLcdState.lcdYAddr); |
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| 257 | 00250 glcdSetXAddress(0); |
||
| 258 | 00251 } |
||
| 259 | 00252 <span class="keywordflow">return</span> data; |
||
| 260 | 00253 } |
||
| 261 | 00254 |
||
| 262 | 00255 <span class="keywordtype">void</span> glcdReset(u08 resetState) |
||
| 263 | 00256 { |
||
| 264 | 00257 <span class="comment">// reset lcd if argument is true</span> |
||
| 265 | 00258 <span class="comment">// run lcd if argument is false</span> |
||
| 266 | 00259 <span class="preprocessor">#ifdef GLCD_PORT_INTERFACE</span> |
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| 267 | 00260 <span class="preprocessor"></span> <span class="keywordflow">if</span>(resetState) |
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| 268 | 00261 cbi(GLCD_CTRL_PORT, GLCD_CTRL_RESET); |
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| 269 | 00262 <span class="keywordflow">else</span> |
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| 270 | 00263 sbi(GLCD_CTRL_PORT, GLCD_CTRL_RESET); |
||
| 271 | 00264 <span class="preprocessor">#endif</span> |
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| 272 | 00265 <span class="preprocessor"></span>} |
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| 273 | 00266 |
||
| 274 | 00267 <span class="keywordtype">void</span> glcdSetXAddress(u08 xAddr) |
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| 275 | 00268 { |
||
| 276 | 00269 u08 i; |
||
| 277 | 00270 <span class="comment">// record address change locally</span> |
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| 278 | 00271 GrLcdState.lcdXAddr = xAddr; |
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| 279 | 00272 |
||
| 280 | 00273 <span class="comment">// clear y (col) address on all controllers</span> |
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| 281 | 00274 <span class="keywordflow">for</span>(i=0; i<GLCD_NUM_CONTROLLERS; i++) |
||
| 282 | 00275 { |
||
| 283 | 00276 glcdControlWrite(i, GLCD_SET_Y_ADDR | 0x00); |
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| 284 | 00277 GrLcdState.ctrlr[i].xAddr = 0; |
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| 285 | 00278 } |
||
| 286 | 00279 |
||
| 287 | 00280 <span class="comment">// set y (col) address on destination controller</span> |
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| 288 | 00281 glcdControlWrite((GrLcdState.lcdXAddr/GLCD_CONTROLLER_XPIXELS), |
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| 289 | 00282 GLCD_SET_Y_ADDR | (GrLcdState.lcdXAddr & 0x3F)); |
||
| 290 | 00283 } |
||
| 291 | 00284 |
||
| 292 | 00285 <span class="keywordtype">void</span> glcdSetYAddress(u08 yAddr) |
||
| 293 | 00286 { |
||
| 294 | 00287 u08 i; |
||
| 295 | 00288 <span class="comment">// record address change locally</span> |
||
| 296 | 00289 GrLcdState.lcdYAddr = yAddr; |
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| 297 | 00290 <span class="comment">// set page address for all controllers</span> |
||
| 298 | 00291 <span class="keywordflow">for</span>(i=0; i<GLCD_NUM_CONTROLLERS; i++) |
||
| 299 | 00292 { |
||
| 300 | 00293 glcdControlWrite(i, GLCD_SET_PAGE | yAddr); |
||
| 301 | 00294 } |
||
| 302 | 00295 } |
||
| 303 | 00296 |
||
| 304 | 00297 <span class="comment">/*************************************************************/</span> |
||
| 305 | 00298 <span class="comment">/********************* PUBLIC FUNCTIONS **********************/</span> |
||
| 306 | 00299 <span class="comment">/*************************************************************/</span> |
||
| 307 | 00300 |
||
| 308 | <a name="l00301"></a><a class="code" href="ks0108_8h.html#a19">00301</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a11">glcdInit</a>() |
||
| 309 | 00302 { |
||
| 310 | 00303 u08 i; |
||
| 311 | 00304 <span class="comment">// initialize hardware</span> |
||
| 312 | 00305 glcdInitHW(); |
||
| 313 | 00306 <span class="comment">// bring lcd out of reset</span> |
||
| 314 | 00307 glcdReset(FALSE); |
||
| 315 | 00308 <span class="comment">// Turn on LCD</span> |
||
| 316 | 00309 <span class="keywordflow">for</span>(i=0; i<GLCD_NUM_CONTROLLERS; i++) |
||
| 317 | 00310 { |
||
| 318 | 00311 glcdControlWrite(i, GLCD_ON_CTRL | GLCD_ON_DISPLAY); |
||
| 319 | 00312 } |
||
| 320 | 00313 <span class="comment">// clear lcd</span> |
||
| 321 | 00314 <a class="code" href="ks0108_8c.html#a13">glcdClearScreen</a>(); |
||
| 322 | 00315 <span class="comment">// initialize positions</span> |
||
| 323 | 00316 <a class="code" href="ks0108_8c.html#a12">glcdHome</a>(); |
||
| 324 | 00317 } |
||
| 325 | 00318 |
||
| 326 | <a name="l00319"></a><a class="code" href="ks0108_8h.html#a21">00319</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a12">glcdHome</a>(<span class="keywordtype">void</span>) |
||
| 327 | 00320 { |
||
| 328 | 00321 u08 i; |
||
| 329 | 00322 <span class="comment">// initialize addresses/positions</span> |
||
| 330 | 00323 <a class="code" href="ks0108_8c.html#a14">glcdStartLine</a>(0); |
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| 331 | 00324 <a class="code" href="ks0108_8c.html#a15">glcdSetAddress</a>(0,0); |
||
| 332 | 00325 <span class="comment">// initialize local data structures</span> |
||
| 333 | 00326 <span class="keywordflow">for</span>(i=0; i<GLCD_NUM_CONTROLLERS; i++) |
||
| 334 | 00327 { |
||
| 335 | 00328 GrLcdState.ctrlr[i].xAddr = 0; |
||
| 336 | 00329 GrLcdState.ctrlr[i].yAddr = 0; |
||
| 337 | 00330 } |
||
| 338 | 00331 } |
||
| 339 | 00332 |
||
| 340 | <a name="l00333"></a><a class="code" href="ks0108_8h.html#a20">00333</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a13">glcdClearScreen</a>(<span class="keywordtype">void</span>) |
||
| 341 | 00334 { |
||
| 342 | 00335 u08 pageAddr; |
||
| 343 | 00336 u08 xAddr; |
||
| 344 | 00337 |
||
| 345 | 00338 <span class="comment">// clear LCD</span> |
||
| 346 | 00339 <span class="comment">// loop through all pages</span> |
||
| 347 | 00340 <span class="keywordflow">for</span>(pageAddr=0; pageAddr<(GLCD_YPIXELS>>3); pageAddr++) |
||
| 348 | 00341 { |
||
| 349 | 00342 <span class="comment">// set page address</span> |
||
| 350 | 00343 <a class="code" href="ks0108_8c.html#a15">glcdSetAddress</a>(0, pageAddr); |
||
| 351 | 00344 <span class="comment">// clear all lines of this page of display memory</span> |
||
| 352 | 00345 <span class="keywordflow">for</span>(xAddr=0; xAddr<GLCD_XPIXELS; xAddr++) |
||
| 353 | 00346 { |
||
| 354 | 00347 glcdDataWrite(0x00); |
||
| 355 | 00348 } |
||
| 356 | 00349 } |
||
| 357 | 00350 } |
||
| 358 | 00351 |
||
| 359 | <a name="l00352"></a><a class="code" href="ks0108_8h.html#a24">00352</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a14">glcdStartLine</a>(u08 start) |
||
| 360 | 00353 { |
||
| 361 | 00354 glcdControlWrite(0, GLCD_START_LINE | start); |
||
| 362 | 00355 glcdControlWrite(1, GLCD_START_LINE | start); |
||
| 363 | 00356 } |
||
| 364 | 00357 |
||
| 365 | <a name="l00358"></a><a class="code" href="ks0108_8h.html#a23">00358</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a15">glcdSetAddress</a>(u08 x, u08 yLine) |
||
| 366 | 00359 { |
||
| 367 | 00360 <span class="comment">// set addresses</span> |
||
| 368 | 00361 glcdSetYAddress(yLine); |
||
| 369 | 00362 glcdSetXAddress(x); |
||
| 370 | 00363 } |
||
| 371 | 00364 |
||
| 372 | <a name="l00365"></a><a class="code" href="ks0108_8h.html#a22">00365</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a16">glcdGotoChar</a>(u08 line, u08 col) |
||
| 373 | 00366 { |
||
| 374 | 00367 <a class="code" href="ks0108_8c.html#a15">glcdSetAddress</a>(col*6, line); |
||
| 375 | 00368 } |
||
| 376 | 00369 |
||
| 377 | <a name="l00370"></a><a class="code" href="ks0108_8h.html#a25">00370</a> <span class="keywordtype">void</span> <a class="code" href="ks0108_8c.html#a17">glcdDelay</a>(u16 p) <span class="comment">// 1-8us ...2-13us ...5-31us</span> |
||
| 378 | 00371 { <span class="comment">// 10-60us ...50-290us</span> |
||
| 379 | 00372 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i; <span class="comment">// 100-580us ...500-2,9ms</span> |
||
| 380 | 00373 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> j; <span class="comment">// 1000-5,8ms ...5000-29ms</span> |
||
| 381 | 00374 <span class="comment">// 10000-56ms ...30000-170ms</span> |
||
| 382 | 00375 <span class="comment">// 50000-295ms...60000-345ms</span> |
||
| 383 | 00376 <span class="comment">// for (i = 0; i < p; i++) for (j = 0; j < 10; j++) asm volatile ("nop");</span> |
||
| 384 | 00377 <span class="keywordflow">for</span> (i = 0; i < p; i++) <span class="keywordflow">for</span> (j = 0; j < 10; j++); |
||
| 385 | 00378 } |
||
| 386 | 00379 |
||
| 387 | 00380 |
||
| 388 | 00381 <span class="comment">// Higher level functionality has been moved to the API-layer glcd.c/glcd.h</span> |
||
| 389 | </pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:07 2006 for Procyon AVRlib by |
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| 390 | <a href="http://www.doxygen.org/index.html"> |
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| 391 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address> |
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| 392 | </body> |
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| 393 | </html> |
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