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| 8 | <h1>i2csw.h</h1><a href="i2csw_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file i2csw.h \brief Software I2C interface using port pins. */</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 : 'i2csw.h'</span> |
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| 12 | 00005 <span class="comment">// Title : Software I2C interface using port pins</span> |
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| 13 | 00006 <span class="comment">// Author : Pascal Stang</span> |
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| 14 | 00007 <span class="comment">// Created : 11/22/2000</span> |
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| 15 | 00008 <span class="comment">// Revised : 5/2/2002</span> |
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| 16 | 00009 <span class="comment">// Version : 1.1</span> |
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| 17 | 00010 <span class="comment">// Target MCU : Atmel AVR series</span> |
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| 18 | 00011 <span class="comment">// Editor Tabs : 4</span> |
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| 19 | 00012 <span class="comment">//</span><span class="comment"></span> |
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| 20 | 00013 <span class="comment">/// \ingroup driver_sw</span> |
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| 21 | 00014 <span class="comment">/// \defgroup i2csw Software I2C Serial Interface Function Library (i2csw.c)</span> |
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| 22 | 00015 <span class="comment">/// \code #include "i2csw.h" \endcode</span> |
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| 23 | 00016 <span class="comment">/// \par Overview</span> |
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| 24 | 00017 <span class="comment">/// This library provides a very simple bit-banged I2C serial interface.</span> |
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| 25 | 00018 <span class="comment">/// The library supports MASTER mode send and receive of single or multiple</span> |
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| 26 | 00019 <span class="comment">/// bytes. Thanks to the standardization of the I2C protocol and register</span> |
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| 27 | 00020 <span class="comment">/// access, the send and receive commands are everything you need to talk to</span> |
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| 28 | 00021 <span class="comment">/// thousands of different I2C devices including: EEPROMS, Flash memory,</span> |
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| 29 | 00022 <span class="comment">/// MP3 players, A/D and D/A converters, electronic potentiometers, etc.</span> |
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| 30 | 00023 <span class="comment">///</span> |
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| 31 | 00024 <span class="comment">/// Although some AVR processors have built-in hardware to help create an I2C</span> |
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| 32 | 00025 <span class="comment">/// interface, this library does not require or use that hardware.</span> |
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| 33 | 00026 <span class="comment">///</span> |
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| 34 | 00027 <span class="comment">/// For general information about I2C, see the i2c library.</span> |
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| 35 | 00028 <span class="comment"></span><span class="comment">//</span> |
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| 36 | 00029 <span class="comment">// This code is distributed under the GNU Public License</span> |
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| 37 | 00030 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span> |
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| 38 | 00031 <span class="comment">//</span> |
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| 39 | 00032 <span class="comment">//*****************************************************************************</span> |
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| 40 | 00033 |
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| 41 | 00034 <span class="preprocessor">#ifndef I2CSW_H</span> |
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| 42 | 00035 <span class="preprocessor"></span><span class="preprocessor">#define I2CSW_H</span> |
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| 43 | 00036 <span class="preprocessor"></span> |
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| 44 | 00037 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span> |
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| 45 | 00038 |
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| 46 | 00039 <span class="comment">// include project-dependent settings</span> |
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| 47 | 00040 <span class="preprocessor">#include "<a class="code" href="i2cswconf_8h.html">i2cswconf.h</a>"</span> |
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| 48 | 00041 |
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| 49 | 00042 <span class="comment">// defines and constants</span> |
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| 50 | 00043 <span class="preprocessor">#define READ 0x01 // I2C READ bit</span> |
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| 51 | 00044 <span class="preprocessor"></span> |
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| 52 | 00045 <span class="comment">// functions</span> |
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| 53 | 00046 |
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| 54 | 00047 <span class="comment">// initialize I2C interface pins</span> |
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| 55 | 00048 <span class="keywordtype">void</span> <a class="code" href="i2c_8c.html#a10">i2cInit</a>(<span class="keywordtype">void</span>); |
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| 56 | 00049 |
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| 57 | 00050 <span class="comment">// send I2C data to <device> register <sub></span> |
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| 58 | 00051 <span class="keywordtype">void</span> <a class="code" href="i2csw_8c.html#a12">i2cSend</a>(BYTE device, BYTE sub, BYTE length, BYTE *data); |
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| 59 | 00052 |
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| 60 | 00053 <span class="comment">// receive I2C data from <device> register <sub></span> |
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| 61 | 00054 <span class="keywordtype">void</span> <a class="code" href="i2csw_8c.html#a13">i2cReceive</a>(BYTE device, BYTE sub, BYTE length, BYTE *data); |
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| 62 | 00055 |
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| 63 | 00056 <span class="preprocessor">#endif</span> |
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| 64 | </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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| 66 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address> |
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| 67 | </body> |
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