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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: spyglass.c Source File</title>
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8 <h1>spyglass.c</h1><a href="spyglass_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file spyglass.c \brief Spyglass Control Panel UI Board Driver. */</span>
9 00002 <span class="comment">//*****************************************************************************</span>
10 00003 <span class="comment">//</span>
11 00004 <span class="comment">// File Name : 'spyglass.c'</span>
12 00005 <span class="comment">// Title : Spyglass Control Panel UI Board Driver</span>
13 00006 <span class="comment">// Author : Pascal Stang - Copyright (C) 2005</span>
14 00007 <span class="comment">// Created : 7/20/2005</span>
15 00008 <span class="comment">// Revised : 7/23/2005</span>
16 00009 <span class="comment">// Version : 0.9</span>
17 00010 <span class="comment">// Target MCU : Atmel AVR series</span>
18 00011 <span class="comment">// Editor Tabs : 4</span>
19 00012 <span class="comment">//</span>
20 00013 <span class="comment">// This code is distributed under the GNU Public License</span>
21 00014 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>
22 00015 <span class="comment">//</span>
23 00016 <span class="comment">//*****************************************************************************</span>
24 00017
25 00018
26 00019 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span>
27 00020 <span class="preprocessor">#include "<a class="code" href="rprintf_8h.html">rprintf.h</a>"</span>
28 00021 <span class="preprocessor">#include "<a class="code" href="timer_8h.html">timer.h</a>"</span>
29 00022 <span class="preprocessor">#include "<a class="code" href="i2c_8h.html">i2c.h</a>"</span>
30 00023 <span class="preprocessor">#include "<a class="code" href="spyglass_8h.html">spyglass.h</a>"</span>
31 00024
32 00025 <span class="preprocessor">#include "<a class="code" href="lcd_8h.html">lcd.h</a>"</span>
33 00026
34 00027 u08 PcfCtrlData;
35 00028
36 <a name="l00029"></a><a class="code" href="group__spyglass.html#ga11">00029</a> u08 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(u08 nodeAddr, u08 data)
37 00030 {
38 00031 <span class="comment">// write data</span>
39 00032 <span class="keywordflow">return</span> <a class="code" href="i2c_8c.html#a24">i2cMasterSendNI</a>(PCF8574_I2C_BASE_ADDR+(nodeAddr&lt;&lt;1), 1, &amp;data);
40 00033 }
41 00034
42 <a name="l00035"></a><a class="code" href="group__spyglass.html#ga12">00035</a> u08 <a class="code" href="group__spyglass.html#ga12">pcf8574Read</a>(u08 nodeAddr)
43 00036 {
44 00037 u08 data;
45 00038 <a class="code" href="i2c_8c.html#a25">i2cMasterReceiveNI</a>(PCF8574_I2C_BASE_ADDR+(nodeAddr&lt;&lt;1), 1, &amp;data);
46 00039 <span class="keywordflow">return</span> data;
47 00040 }
48 00041
49 <a name="l00042"></a><a class="code" href="group__spyglass.html#ga0">00042</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga0">spyglassInit</a>(<span class="keywordtype">void</span>)
50 00043 {
51 00044 <a class="code" href="i2c_8c.html#a10">i2cInit</a>();
52 00045 <a class="code" href="i2c_8c.html#a11">i2cSetBitrate</a>(100);
53 00046 PcfCtrlData = (SPYGLASS_LED0 | SPYGLASS_LED1 | SPYGLASS_BEEPER);
54 00047 <a class="code" href="group__spyglass.html#ga2">spyglassSetLeds</a>(0);
55 00048 <a class="code" href="group__spyglass.html#ga3">spyglassSetBeeper</a>(0);
56 00049 }
57 00050
58 <a name="l00051"></a><a class="code" href="group__spyglass.html#ga1">00051</a> u08 <a class="code" href="group__spyglass.html#ga1">spyglassGetPushbuttons</a>(<span class="keywordtype">void</span>)
59 00052 {
60 00053 <span class="keywordflow">return</span> ~<a class="code" href="group__spyglass.html#ga12">pcf8574Read</a>(PCF_NODE_BUTTONS);
61 00054 }
62 00055
63 <a name="l00056"></a><a class="code" href="group__spyglass.html#ga2">00056</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga2">spyglassSetLeds</a>(u08 leds)
64 00057 {
65 00058 PcfCtrlData = (PcfCtrlData|0x03) &amp; ~(leds&amp;0x03);
66 00059 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(PCF_NODE_CONTROL, PcfCtrlData);
67 00060 }
68 00061
69 <a name="l00062"></a><a class="code" href="group__spyglass.html#ga3">00062</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga3">spyglassSetBeeper</a>(u08 state)
70 00063 {
71 00064 <span class="keywordflow">if</span>(state)
72 00065 PcfCtrlData &amp;=~SPYGLASS_BEEPER; <span class="comment">// beeper on</span>
73 00066 <span class="keywordflow">else</span>
74 00067 PcfCtrlData |= SPYGLASS_BEEPER; <span class="comment">// beeper off</span>
75 00068 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(PCF_NODE_CONTROL, PcfCtrlData);
76 00069 }
77 00070
78 <a name="l00071"></a><a class="code" href="group__spyglass.html#ga4">00071</a> u08 <a class="code" href="group__spyglass.html#ga4">spyglassSetLcdContrast</a>(u08 contrast)
79 00072 {
80 00073 u08 data[2];
81 00074 data[0] = 0;
82 00075 data[1] = contrast;
83 00076 <span class="keywordflow">return</span> <a class="code" href="i2c_8c.html#a24">i2cMasterSendNI</a>(MAX517_I2C_BASE_ADDR, 2, data);
84 00077 }
85 00078
86 <a name="l00079"></a><a class="code" href="group__spyglass.html#ga9">00079</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(u08 rs, u08 data)
87 00080 {
88 00081 <span class="comment">// prepare LCD control lines</span>
89 00082 PcfCtrlData &amp;= ~(SPYGLASS_LCD_RW | SPYGLASS_LCD_RS | SPYGLASS_LCD_E);
90 00083 <span class="keywordflow">if</span>(rs)
91 00084 PcfCtrlData |= SPYGLASS_LCD_RS;
92 00085 <span class="comment">// set LCD control lines</span>
93 00086 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(PCF_NODE_CONTROL, PcfCtrlData);
94 00087 <span class="comment">// set data lines</span>
95 00088 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(PCF_NODE_LCD_DATA, data);
96 00089 <span class="comment">// clock E line</span>
97 00090 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(PCF_NODE_CONTROL, PcfCtrlData|SPYGLASS_LCD_E);
98 00091 <a class="code" href="group__spyglass.html#ga11">pcf8574Write</a>(PCF_NODE_CONTROL, PcfCtrlData);
99 00092 }
100 00093
101 <a name="l00094"></a><a class="code" href="group__spyglass.html#ga10">00094</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga10">spyglassLcdWriteChar</a>(u08 c)
102 00095 {
103 00096 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(1,c);
104 00097 }
105 00098
106 <a name="l00099"></a><a class="code" href="group__spyglass.html#ga5">00099</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga5">spyglassLcdInit</a>(<span class="keywordtype">void</span>)
107 00100 {
108 00101 <span class="comment">// LCD function set</span>
109 00102 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,LCD_FUNCTION_DEFAULT);
110 00103 <span class="comment">// clear LCD</span>
111 00104 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_CLR);
112 00105 delay(60000); <span class="comment">// wait 60ms</span>
113 00106 <span class="comment">// set entry mode</span>
114 00107 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_ENTRY_MODE | 1&lt;&lt;LCD_ENTRY_INC);
115 00108 <span class="comment">// set display to on</span>
116 00109 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_ON_CTRL | 1&lt;&lt;LCD_ON_DISPLAY );
117 00110 <span class="comment">// move cursor to home</span>
118 00111 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_HOME);
119 00112 <span class="comment">// set data address to 0</span>
120 00113 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_DDRAM | 0x00);
121 00114
122 00115 <span class="comment">// set contrast</span>
123 00116 <a class="code" href="group__spyglass.html#ga4">spyglassSetLcdContrast</a>(20);
124 00117 }
125 00118
126 <a name="l00119"></a><a class="code" href="group__spyglass.html#ga6">00119</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga6">spyglassLcdHome</a>(<span class="keywordtype">void</span>)
127 00120 {
128 00121 <span class="comment">// move cursor to home</span>
129 00122 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_HOME);
130 00123 }
131 00124
132 <a name="l00125"></a><a class="code" href="group__spyglass.html#ga7">00125</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga7">spyglassLcdClear</a>(<span class="keywordtype">void</span>)
133 00126 {
134 00127 <span class="comment">// clear LCD</span>
135 00128 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_CLR);
136 00129 }
137 00130
138 <a name="l00131"></a><a class="code" href="group__spyglass.html#ga8">00131</a> <span class="keywordtype">void</span> <a class="code" href="group__spyglass.html#ga8">spyglassLcdGotoXY</a>(u08 x, u08 y)
139 00132 {
140 00133 <span class="keyword">register</span> u08 DDRAMAddr;
141 00134
142 00135 <span class="comment">// remap lines into proper order</span>
143 00136 <span class="keywordflow">switch</span>(y)
144 00137 {
145 00138 <span class="keywordflow">case</span> 0: DDRAMAddr = LCD_LINE0_DDRAMADDR+x; <span class="keywordflow">break</span>;
146 00139 <span class="keywordflow">case</span> 1: DDRAMAddr = LCD_LINE1_DDRAMADDR+x; <span class="keywordflow">break</span>;
147 00140 <span class="keywordflow">case</span> 2: DDRAMAddr = LCD_LINE2_DDRAMADDR+x; <span class="keywordflow">break</span>;
148 00141 <span class="keywordflow">case</span> 3: DDRAMAddr = LCD_LINE3_DDRAMADDR+x; <span class="keywordflow">break</span>;
149 00142 <span class="keywordflow">default</span>: DDRAMAddr = LCD_LINE0_DDRAMADDR+x;
150 00143 }
151 00144
152 00145 <span class="comment">// set data address</span>
153 00146 <a class="code" href="group__spyglass.html#ga9">spyglassLcdWrite</a>(0,1&lt;&lt;LCD_DDRAM | DDRAMAddr);
154 00147 }
155 </pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:07 2006 for Procyon AVRlib by&nbsp;
156 <a href="http://www.doxygen.org/index.html">
157 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address>
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