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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Sample MSP430-4619LCD Project: lcd.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.1 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul></div><h1>lcd.c</h1><a href="lcd_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment"> * File: lcd.c</span><a name="l00003"></a>00003 <span class="comment"> * Purpose: Nokia 6610 LCD handling functions</span><a name="l00004"></a>00004 <span class="comment"> * Author: Peter Ivanov, Olimex Ltd.</span><a name="l00005"></a>00005 <span class="comment"> * Modified by:</span><a name="l00006"></a>00006 <span class="comment"> * Created: 2007-05-19 11:29:32</span><a name="l00007"></a>00007 <span class="comment"> * Last modify: 2007-10-21 10:37:53 ivanovp {Time-stamp}</span><a name="l00008"></a>00008 <span class="comment"> * Copyright: (C) Peter Ivanov, Olimex Ltd., 2007</span><a name="l00009"></a>00009 <span class="comment"> * Licence: GPL</span><a name="l00010"></a>00010 <span class="comment"> */</span><a name="l00016"></a>00016 <span class="comment">//#include <msp430x44x.h></span><a name="l00017"></a>00017 <span class="preprocessor">#include <msp430xG461x.h></span><a name="l00018"></a>00018 <span class="preprocessor">#include <stdio.h></span><a name="l00019"></a>00019 <span class="preprocessor">#include <signal.h></span><a name="l00020"></a>00020 <span class="preprocessor">#include <string.h></span><a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="lcd_8h.html">lcd.h</a>"</span><a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="ball_8h.html">ball.h</a>"</span><a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="bits_8h.html">bits.h</a>"</span><a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="font_8h.html">font.h</a>"</span><a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="time_8h.html">time.h</a>"</span><a name="l00026"></a>00026 <a name="l00027"></a><a class="code" href="lcd_8c.html#2605c646365a0ea248d84611516500c2">00027</a> <span class="preprocessor">#define LCD_RESET_LOW() P7OUT &= ~BIT4;</span><a name="l00028"></a><a class="code" href="lcd_8c.html#8b0834470600628625d6618ad0e15f11">00028</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_RESET_HIGH() P7OUT |= BIT4;</span><a name="l00029"></a>00029 <span class="preprocessor"></span><a name="l00030"></a>00030 <span class="comment">// Chip Select: P4.2</span><a name="l00031"></a><a class="code" href="lcd_8c.html#b6b224028ee993b43049cd45010ec00f">00031</a> <span class="preprocessor">#define CS_LOW() P4OUT &= ~BIT2;</span><a name="l00032"></a><a class="code" href="lcd_8c.html#f67a5c0216de0cfadf059fa4cf05d65d">00032</a> <span class="preprocessor"></span><span class="preprocessor">#define CS_HIGH() P4OUT |= BIT2; </span><a name="l00033"></a>00033 <span class="preprocessor"></span><a name="l00034"></a>00034 <span class="keyword">static</span> uint8_t xBase = 0;<a name="l00035"></a>00035 <span class="keyword">static</span> uint8_t x = 0;<a name="l00036"></a>00036 <span class="keyword">static</span> uint8_t y = 0;<a name="l00037"></a>00037 <span class="keyword">static</span> uint16_t fgColor = <a class="code" href="lcd_8h.html#b0f75a33be4f9ea27ead31c123edae99">LCD_DEFAULT_FG_COLOR</a>;<a name="l00038"></a>00038 <span class="keyword">static</span> uint16_t bgColor = <a class="code" href="lcd_8h.html#b0a83d95837cf59b58af31669122a4ac">LCD_DEFAULT_BG_COLOR</a>;<a name="l00039"></a>00039 <a name="l00040"></a>00040 <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#9a0adff5b072b14051704d512f1088b9">LCD_writeSpiCommand</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data);<a name="l00041"></a>00041 <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#c0963fd7b312161a5d86e4096ae9b8b6">LCD_writeSpiData</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data);<a name="l00042"></a>00042 <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#830b48a2c526d783e3711d79d09d139f">LCD_setup</a> (<span class="keywordtype">void</span>);<a name="l00043"></a>00043 <a name="l00044"></a><a class="code" href="lcd_8h.html#301a0b73016a44e015dbd374c08243d4">00044</a> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#301a0b73016a44e015dbd374c08243d4">LCD_init</a> (<span class="keywordtype">void</span>) <a name="l00045"></a>00045 {<a name="l00046"></a>00046 <span class="comment">// USART1 initialization for SPI communications //</span><a name="l00047"></a>00047 <a name="l00048"></a>00048 U1CTL |= SWRST; <span class="comment">// Enable software reset P-I-</span><a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="comment">// Enable USART0 SPI mode</span><a name="l00051"></a>00051 U1ME |= USPIE1;<a name="l00052"></a>00052 <a name="l00053"></a>00053 U1CTL &= ~SWRST; <span class="comment">// Disable software reset P-I-</span><a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="comment">/* USART Control Register */</span><a name="l00056"></a>00056 <span class="comment">// 8-bit, SPI Master</span><a name="l00057"></a>00057 U1CTL = CHAR + SYNC + MM;<a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="comment">/* USART Transmit Control Register */</span><a name="l00060"></a>00060 <span class="comment">// Select SMCLK and 3-pin SPI select, Clock Polarity</span><a name="l00061"></a>00061 U1TCTL = SSEL_SMCLK + STC + CKPL;<a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="comment">/* USART Baud Rate Control Register 0 and 1 */</span><a name="l00064"></a>00064 <span class="comment">// Set BaudRate - no divider</span><a name="l00065"></a>00065 U1BR0 = 0x02;<a name="l00066"></a>00066 U1BR1 = 0x00;<a name="l00067"></a>00067 <a name="l00068"></a>00068 <span class="comment">/* USART Modulation Control Register */</span><a name="l00069"></a>00069 U1MCTL = 0x00;<a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="comment">// Setup P4 for SPI1 operation</span><a name="l00072"></a>00072 P4SEL |= (BIT3 | BIT5); <span class="comment">// P4.3 and P4.5 SPI option select</span><a name="l00073"></a>00073 <a name="l00074"></a>00074 P4SEL &= ~(BIT4); <span class="comment">// P4.2 as GPIO</span><a name="l00075"></a>00075 P4OUT |= BIT2; <span class="comment">// CS high</span><a name="l00076"></a>00076 P4DIR |= BIT2; <span class="comment">// P4.2 output direction</span><a name="l00077"></a>00077 <a name="l00078"></a>00078 <span class="comment">// Reset Pin</span><a name="l00079"></a>00079 P7SEL &= ~BIT4; <span class="comment">// P7.4 as GPIO</span><a name="l00080"></a>00080 P7OUT |= BIT4; <span class="comment">// reset high</span><a name="l00081"></a>00081 P7DIR |= BIT4; <span class="comment">// P7.4 output direction</span><a name="l00082"></a>00082 <a name="l00083"></a>00083 <a class="code" href="lcd_8c.html#830b48a2c526d783e3711d79d09d139f">LCD_setup</a> ();<a name="l00084"></a>00084 }<a name="l00085"></a>00085 <a name="l00086"></a><a class="code" href="lcd_8c.html#9a0adff5b072b14051704d512f1088b9">00086</a> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#9a0adff5b072b14051704d512f1088b9">LCD_writeSpiCommand</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data)<a name="l00087"></a>00087 {<a name="l00088"></a>00088 <span class="comment">// Software clock for first bit (must be high)</span><a name="l00089"></a>00089 P4SEL &= ~(BIT3 + BIT5); <span class="comment">// P4.3 and P4.5 as GPIO</span><a name="l00090"></a>00090 P4OUT |= BIT5; <span class="comment">// P4.5 -> HIGH</span><a name="l00091"></a>00091 P4OUT &= ~BIT3; <span class="comment">// P4.3 -> LOW</span><a name="l00092"></a>00092 P4DIR |= BIT3 + BIT5; <span class="comment">// P4.3 and P4.5 -> OUTPUT</span><a name="l00093"></a>00093 <a name="l00094"></a>00094 <span class="comment">// CS Low</span><a name="l00095"></a>00095 <a class="code" href="lcd_8c.html#b6b224028ee993b43049cd45010ec00f">CS_LOW</a> ();<a name="l00096"></a>00096 <a name="l00097"></a>00097 P4OUT &= ~BIT5; <span class="comment">// P4.5 -> LOW</span><a name="l00098"></a>00098 P4OUT |= BIT5; <span class="comment">// P4.5 -> HIGH</span><a name="l00099"></a>00099 <a name="l00100"></a>00100 P4SEL |= BIT3 + BIT5; <span class="comment">// P4.3 and P4.5 SPI option select</span><a name="l00101"></a>00101 <a name="l00102"></a>00102 <span class="comment">// Write byte</span><a name="l00103"></a>00103 <span class="comment">//TXBUF1 = data;</span><a name="l00104"></a>00104 U1TXBUF = data;<a name="l00105"></a>00105 <a name="l00106"></a>00106 <span class="comment">// wait to send data</span><a name="l00107"></a>00107 <span class="keywordflow">while</span> ((U1TCTL & TXEPT) == 0);<a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="comment">// CS High</span><a name="l00110"></a>00110 <span class="comment">// CS_HIGH ();</span><a name="l00111"></a>00111 }<a name="l00112"></a>00112 <a name="l00113"></a><a class="code" href="lcd_8c.html#c0963fd7b312161a5d86e4096ae9b8b6">00113</a> <span class="keywordtype">void</span> <a class="code" href="lcd_8c.html#c0963fd7b312161a5d86e4096ae9b8b6">LCD_writeSpiData</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data)<a name="l00114"></a>00114 {<a name="l00115"></a>00115 <span class="comment">// Software clock for first bit (must be high)</span><a name="l00116"></a>00116 P4SEL &= ~ (BIT3 + BIT5); <span class="comment">// P4.3 and P4.5 as GPIO</span><a name="l00117"></a>00117 P4OUT |= BIT3 + BIT5; <span class="comment">// P4.3 and P4.5 -> HIGH</span>⌨️ 快捷键说明
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