?lang_form? ?lang_select? ?lang_submit? ?lang_endform?
{HEADER END}
{BLAME START}

library

?curdirlinks? -

Blame information for rev 6

Line No. Rev Author Line
1 6 kaklik <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2 <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
3 <title>Procyon AVRlib: ads7828.h Source File</title>
4 <link href="dox.css" rel="stylesheet" type="text/css">
5 </head><body>
6 <!-- Generated by Doxygen 1.4.2 -->
7 <div class="qindex"><a class="qindex" href="main.html">Main&nbsp;Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data&nbsp;Structures</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File&nbsp;List</a> | <a class="qindex" href="functions.html">Data&nbsp;Fields</a> | <a class="qindex" href="globals.html">Globals</a> | <a class="qindex" href="pages.html">Related&nbsp;Pages</a></div>
8 <h1>ads7828.h</h1><a href="ads7828_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file ads7828.h \brief TI ADS7828 12-bit 8ch A/D Converter Driver Library. */</span>
9 00002 <span class="comment">//*****************************************************************************</span>
10 00003 <span class="comment">//</span>
11 00004 <span class="comment">// File Name : 'ads7828.h'</span>
12 00005 <span class="comment">// Title : TI ADS7828 12-bit 8ch A/D Converter Driver Library</span>
13 00006 <span class="comment">// Author : Pascal Stang - Copyright (C) 2004</span>
14 00007 <span class="comment">// Created : 2004.02.10</span>
15 00008 <span class="comment">// Revised : 2004.02.19</span>
16 00009 <span class="comment">// Version : 0.1</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">// NOTE: This code is currently below version 1.0, and therefore is considered</span>
21 00014 <span class="comment">// to be lacking in some functionality or documentation, or may not be fully</span>
22 00015 <span class="comment">// tested. Nonetheless, you can expect most functions to work.</span>
23 00016 <span class="comment">//</span>
24 00017 <span class="comment">// This code is distributed under the GNU Public License</span>
25 00018 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>
26 00019 <span class="comment">//</span><span class="comment"></span>
27 00020 <span class="comment">/// \ingroup driver_hw</span>
28 00021 <span class="comment">/// \defgroup ads7828 TI ADS7828 I2C A/D Converter Driver (ads7828.c)</span>
29 00022 <span class="comment">/// \code #include "ads7828.h" \endcode</span>
30 00023 <span class="comment">/// \par Overview</span>
31 00024 <span class="comment">/// This library provides high-level functions for accessing the Texas</span>
32 00025 <span class="comment">/// Instruments ADS7828 I2C A/D Converter.</span>
33 00026 <span class="comment">///</span>
34 00027 <span class="comment">/// The basic specs of the ADS7828 are:</span>
35 00028 <span class="comment">/// - 12-bit results</span>
36 00029 <span class="comment">/// - 8 input channels</span>
37 00030 <span class="comment">/// - up to 50KHz conversion rate</span>
38 00031 <span class="comment">/// - External reference or internal 2.5V reference</span>
39 00032 <span class="comment"></span><span class="comment">//</span>
40 00033 <span class="comment">//*****************************************************************************</span><span class="comment"></span>
41 00034 <span class="comment">//@{</span>
42 00035 <span class="comment"></span>
43 00036 <span class="preprocessor">#ifndef ADS7828_H</span>
44 00037 <span class="preprocessor"></span><span class="preprocessor">#define ADS7828_H</span>
45 00038 <span class="preprocessor"></span>
46 00039 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span>
47 00040
48 00041 <span class="comment">// constants/macros/typdefs</span>
49 <a name="l00042"></a><a class="code" href="group__ads7828.html#ga5">00042</a> <span class="preprocessor">#define ADS7828_I2C_ADDR 0x90 </span><span class="comment">///&lt; Base I2C address of ADS7828 devices</span>
50 00043 <span class="comment"></span>
51 00044 <span class="comment">// command register bit defines</span>
52 <a name="l00045"></a><a class="code" href="group__ads7828.html#ga6">00045</a> <span class="preprocessor">#define ADS7828_CMD_PD0 0x04 </span><span class="comment">///&lt; ADS7828 Power-down bit 0</span>
53 <a name="l00046"></a><a class="code" href="group__ads7828.html#ga7">00046</a> <span class="comment"></span>#define ADS7828_CMD_PD1 0x08 <span class="comment">///&lt; ADS7828 Power-down bit 1</span>
54 <a name="l00047"></a><a class="code" href="group__ads7828.html#ga8">00047</a> <span class="comment"></span>#define ADS7828_CMD_C0 0x10 <span class="comment">///&lt; ADS7828 Channel Select bit 0</span>
55 <a name="l00048"></a><a class="code" href="group__ads7828.html#ga9">00048</a> <span class="comment"></span>#define ADS7828_CMD_C1 0x20 <span class="comment">///&lt; ADS7828 Channel Select bit 1</span>
56 <a name="l00049"></a><a class="code" href="group__ads7828.html#ga10">00049</a> <span class="comment"></span>#define ADS7828_CMD_C2 0x40 <span class="comment">///&lt; ADS7828 Channel Select bit 2</span>
57 <a name="l00050"></a><a class="code" href="group__ads7828.html#ga11">00050</a> <span class="comment"></span>#define ADS7828_CMD_SD 0x80 <span class="comment">///&lt; ADS7828 Single-ended/Differential Select bit</span>
58 00051 <span class="comment"></span>
59 00052 <span class="comment">// single-ended channel order defines</span>
60 <a name="l00053"></a><a class="code" href="group__ads7828.html#ga12">00053</a> <span class="preprocessor">#define ADS7828_CMD_CH0 0x00 </span><span class="comment">///&lt; ADS7828 Convert Channel 0</span>
61 <a name="l00054"></a><a class="code" href="group__ads7828.html#ga13">00054</a> <span class="comment"></span>#define ADS7828_CMD_CH1 0x04 <span class="comment">///&lt; ADS7828 Convert Channel 1</span>
62 <a name="l00055"></a><a class="code" href="group__ads7828.html#ga14">00055</a> <span class="comment"></span>#define ADS7828_CMD_CH2 0x01 <span class="comment">///&lt; ADS7828 Convert Channel 2</span>
63 <a name="l00056"></a><a class="code" href="group__ads7828.html#ga15">00056</a> <span class="comment"></span>#define ADS7828_CMD_CH3 0x05 <span class="comment">///&lt; ADS7828 Convert Channel 3</span>
64 <a name="l00057"></a><a class="code" href="group__ads7828.html#ga16">00057</a> <span class="comment"></span>#define ADS7828_CMD_CH4 0x02 <span class="comment">///&lt; ADS7828 Convert Channel 4</span>
65 <a name="l00058"></a><a class="code" href="group__ads7828.html#ga17">00058</a> <span class="comment"></span>#define ADS7828_CMD_CH5 0x06 <span class="comment">///&lt; ADS7828 Convert Channel 5</span>
66 <a name="l00059"></a><a class="code" href="group__ads7828.html#ga18">00059</a> <span class="comment"></span>#define ADS7828_CMD_CH6 0x03 <span class="comment">///&lt; ADS7828 Convert Channel 6</span>
67 <a name="l00060"></a><a class="code" href="group__ads7828.html#ga19">00060</a> <span class="comment"></span>#define ADS7828_CMD_CH7 0x07 <span class="comment">///&lt; ADS7828 Convert Channel 7</span>
68 00061 <span class="comment"></span>
69 00062 <span class="comment">// power-down mode defines</span>
70 <a name="l00063"></a><a class="code" href="group__ads7828.html#ga20">00063</a> <span class="preprocessor">#define ADS7828_CMD_PDMODE0 0x00 </span><span class="comment">///&lt; ADS7828 Power-down Mode 0</span>
71 <a name="l00064"></a><a class="code" href="group__ads7828.html#ga21">00064</a> <span class="comment"></span>#define ADS7828_CMD_PDMODE1 0x04 <span class="comment">///&lt; ADS7828 Power-down Mode 1</span>
72 <a name="l00065"></a><a class="code" href="group__ads7828.html#ga22">00065</a> <span class="comment"></span>#define ADS7828_CMD_PDMODE2 0x08 <span class="comment">///&lt; ADS7828 Power-down Mode 2</span>
73 <a name="l00066"></a><a class="code" href="group__ads7828.html#ga23">00066</a> <span class="comment"></span>#define ADS7828_CMD_PDMODE3 0x0C <span class="comment">///&lt; ADS7828 Power-down Mode 3</span>
74 00067 <span class="comment"></span>
75 00068 <span class="comment">// functions</span>
76 00069 <span class="comment"></span>
77 00070 <span class="comment">//! Initialize the ADS7828 chip.</span>
78 00071 <span class="comment">/// Returns:</span>
79 00072 <span class="comment">/// TRUE if successful, </span>
80 00073 <span class="comment">/// FALSE if unsuccessful (chip not present).</span>
81 00074 <span class="comment"></span>u08 <a class="code" href="group__ads7828.html#ga0">ads7828Init</a>(u08 i2cAddr);
82 00075 <span class="comment"></span>
83 00076 <span class="comment">//! Set the voltage reference to use for A/D conversion.</span>
84 00077 <span class="comment">/// - ref = 0 =&gt; External reference voltage on Ref pin.</span>
85 00078 <span class="comment">/// - ref = 1 =&gt; Internal 2.5V reference voltage (Ref pin left open).</span>
86 00079 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="group__ads7828.html#ga1">ads7828SetReference</a>(u08 ref);
87 00080 <span class="comment"></span>
88 00081 <span class="comment">//! Begin single-ended conversion on given logical channel#, and return result.</span>
89 00082 <span class="comment"></span>u16 <a class="code" href="group__ads7828.html#ga2">ads7828Convert</a>(u08 i2cAddr, u08 channel);
90 00083 <span class="comment"></span>
91 00084 <span class="comment">//! Begin differential conversion on given channel pair, and return result.</span>
92 00085 <span class="comment"></span>u16 <a class="code" href="group__ads7828.html#ga3">ads7828ConvertDiff</a>(u08 i2cAddr, u08 channel);
93 00086 <span class="comment"></span>
94 00087 <span class="comment">//! Begin conversion on given raw channel#, and return result.</span>
95 00088 <span class="comment"></span>u16 <a class="code" href="group__ads7828.html#ga4">ads7828ConvertRaw</a>(u08 i2cAddr, u08 channel);
96 00089
97 00090 <span class="preprocessor">#endif</span>
98 00091 <span class="preprocessor"></span><span class="comment">//@}</span>
99 </span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:06 2006 for Procyon AVRlib by&nbsp;
100 <a href="http://www.doxygen.org/index.html">
101 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address>
102 </body>
103 </html>
{BLAME END}
{FOOTER START}

Powered by WebSVN v2.8.3