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| 3 | <title>Procyon AVRlib: avrlibdefs.h Source File</title> |
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| 8 | <h1>avrlibdefs.h</h1><a href="avrlibdefs_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">00001 <span class="comment">/*! \file avrlibdefs.h \brief AVRlib global defines and macros. */</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 : 'avrlibdefs.h'</span> |
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| 12 | 00005 <span class="comment">// Title : AVRlib global defines and macros include file</span> |
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| 13 | 00006 <span class="comment">// Author : Pascal Stang</span> |
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| 14 | 00007 <span class="comment">// Created : 7/12/2001</span> |
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| 15 | 00008 <span class="comment">// Revised : 9/30/2002</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> |
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| 20 | 00013 <span class="comment">// Description : This include file is designed to contain items useful to all</span> |
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| 21 | 00014 <span class="comment">// code files and projects, regardless of specific implementation.</span> |
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| 22 | 00015 <span class="comment">//</span> |
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| 23 | 00016 <span class="comment">// This code is distributed under the GNU Public License</span> |
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| 24 | 00017 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span> |
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| 25 | 00018 <span class="comment">//</span> |
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| 26 | 00019 <span class="comment">//*****************************************************************************</span> |
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| 27 | 00020 |
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| 28 | 00021 |
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| 29 | 00022 <span class="preprocessor">#ifndef AVRLIBDEFS_H</span> |
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| 30 | 00023 <span class="preprocessor"></span><span class="preprocessor">#define AVRLIBDEFS_H</span> |
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| 31 | 00024 <span class="preprocessor"></span> |
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| 32 | 00025 <span class="comment">// Code compatibility to new AVR-libc</span> |
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| 33 | 00026 <span class="comment">// outb(), inb(), inw(), outw(), BV(), sbi(), cbi(), sei(), cli()</span> |
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| 34 | 00027 <span class="preprocessor">#ifndef outb</span> |
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| 35 | 00028 <span class="preprocessor"></span><span class="preprocessor"> #define outb(addr, data) addr = (data)</span> |
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| 36 | 00029 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 37 | 00030 <span class="preprocessor"></span><span class="preprocessor">#ifndef inb</span> |
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| 38 | 00031 <span class="preprocessor"></span><span class="preprocessor"> #define inb(addr) (addr)</span> |
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| 39 | 00032 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 40 | 00033 <span class="preprocessor"></span><span class="preprocessor">#ifndef outw</span> |
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| 41 | 00034 <span class="preprocessor"></span><span class="preprocessor"> #define outw(addr, data) addr = (data)</span> |
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| 42 | 00035 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 43 | 00036 <span class="preprocessor"></span><span class="preprocessor">#ifndef inw</span> |
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| 44 | 00037 <span class="preprocessor"></span><span class="preprocessor"> #define inw(addr) (addr)</span> |
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| 45 | 00038 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 46 | 00039 <span class="preprocessor"></span><span class="preprocessor">#ifndef BV</span> |
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| 47 | 00040 <span class="preprocessor"></span><span class="preprocessor"> #define BV(bit) (1<<(bit))</span> |
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| 48 | 00041 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 49 | 00042 <span class="preprocessor"></span><span class="preprocessor">#ifndef cbi</span> |
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| 50 | 00043 <span class="preprocessor"></span><span class="preprocessor"> #define cbi(reg,bit) reg &= ~(BV(bit))</span> |
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| 51 | 00044 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 52 | 00045 <span class="preprocessor"></span><span class="preprocessor">#ifndef sbi</span> |
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| 53 | 00046 <span class="preprocessor"></span><span class="preprocessor"> #define sbi(reg,bit) reg |= (BV(bit))</span> |
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| 54 | 00047 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 55 | 00048 <span class="preprocessor"></span><span class="preprocessor">#ifndef cli</span> |
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| 56 | 00049 <span class="preprocessor"></span><span class="preprocessor"> #define cli() __asm__ __volatile__ ("cli" ::)</span> |
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| 57 | 00050 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 58 | 00051 <span class="preprocessor"></span><span class="preprocessor">#ifndef sei</span> |
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| 59 | 00052 <span class="preprocessor"></span><span class="preprocessor"> #define sei() __asm__ __volatile__ ("sei" ::)</span> |
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| 60 | 00053 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 61 | 00054 <span class="preprocessor"></span> |
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| 62 | 00055 <span class="comment">// support for individual port pin naming in the mega128</span> |
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| 63 | 00056 <span class="comment">// see port128.h for details</span> |
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| 64 | 00057 <span class="preprocessor">#ifdef __AVR_ATmega128__</span> |
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| 65 | 00058 <span class="preprocessor"></span><span class="comment">// not currently necessary due to inclusion</span> |
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| 66 | 00059 <span class="comment">// of these defines in newest AVR-GCC</span> |
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| 67 | 00060 <span class="comment">// do a quick test to see if include is needed</span> |
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| 68 | 00061 <span class="preprocessor">#ifndef PD0</span> |
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| 69 | 00062 <span class="preprocessor"></span><span class="preprocessor"> #include "<a class="code" href="port128_8h.html">port128.h</a>"</span> |
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| 70 | 00063 <span class="preprocessor">#endif</span> |
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| 71 | 00064 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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| 72 | 00065 <span class="preprocessor"></span> |
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| 73 | 00066 <span class="comment">// use this for packed structures</span> |
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| 74 | 00067 <span class="comment">// (this is seldom necessary on an 8-bit architecture like AVR,</span> |
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| 75 | 00068 <span class="comment">// but can assist in code portability to AVR)</span> |
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| 76 | <a name="l00069"></a><a class="code" href="group__dhcp.html#ga41">00069</a> <span class="preprocessor">#define GNUC_PACKED __attribute__((packed)) </span> |
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| 77 | 00070 <span class="preprocessor"></span> |
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| 78 | 00071 <span class="comment">// port address helpers</span> |
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| 79 | 00072 <span class="preprocessor">#define DDR(x) ((x)-1) // address of data direction register of port x</span> |
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| 80 | 00073 <span class="preprocessor"></span><span class="preprocessor">#define PIN(x) ((x)-2) // address of input register of port x</span> |
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| 81 | 00074 <span class="preprocessor"></span> |
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| 82 | 00075 <span class="comment">// MIN/MAX/ABS macros</span> |
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| 83 | 00076 <span class="preprocessor">#define MIN(a,b) ((a<b)?(a):(b))</span> |
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| 84 | 00077 <span class="preprocessor"></span><span class="preprocessor">#define MAX(a,b) ((a>b)?(a):(b))</span> |
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| 85 | 00078 <span class="preprocessor"></span><span class="preprocessor">#define ABS(x) ((x>0)?(x):(-x))</span> |
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| 86 | 00079 <span class="preprocessor"></span> |
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| 87 | 00080 <span class="comment">// constants</span> |
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| 88 | 00081 <span class="preprocessor">#define PI 3.14159265359</span> |
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| 89 | 00082 <span class="preprocessor"></span> |
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| 90 | 00083 <span class="preprocessor">#endif</span> |
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| 91 | </pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:06 2006 for Procyon AVRlib by |
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| 92 | <a href="http://www.doxygen.org/index.html"> |
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| 93 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address> |
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| 94 | </body> |
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