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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>Procyon AVRlib: avrlibdefs.h Source File</title><link href="dox.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.6 --><div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div><h1>avrlibdefs.h</h1><a href="avrlibdefs_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*! \file avrlibdefs.h \brief AVRlib global defines and macros. */</span>00002 <span class="comment">//*****************************************************************************</span>00003 <span class="comment">//</span>00004 <span class="comment">// File Name : 'avrlibdefs.h'</span>00005 <span class="comment">// Title : AVRlib global defines and macros include file</span>00006 <span class="comment">// Author : Pascal Stang</span>00007 <span class="comment">// Created : 7/12/2001</span>00008 <span class="comment">// Revised : 9/30/2002</span>00009 <span class="comment">// Version : 1.1</span>00010 <span class="comment">// Target MCU : Atmel AVR series</span>00011 <span class="comment">// Editor Tabs : 4</span>00012 <span class="comment">//</span>00013 <span class="comment">// Description : This include file is designed to contain items useful to all</span>00014 <span class="comment">// code files and projects, regardless of specific implementation.</span>00015 <span class="comment">//</span>00016 <span class="comment">// This code is distributed under the GNU Public License</span>00017 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>00018 <span class="comment">//</span>00019 <span class="comment">//*****************************************************************************</span>00020 00021 00022 <span class="preprocessor">#ifndef AVRLIBDEFS_H</span>00023 <span class="preprocessor"></span><span class="preprocessor">#define AVRLIBDEFS_H</span>00024 <span class="preprocessor"></span>00025 <span class="comment">// AVR-GCC compiler compatibility</span>00026 <span class="comment">// avr-gcc compiler v3.1.x and older doesn't support outb() and inb()</span>00027 <span class="comment">// if necessary, convert outb and inb to outp and inp</span>00028 <span class="preprocessor">#ifndef outb</span>00029 <span class="preprocessor"></span><span class="preprocessor"> #define outb(addr, data) outp(data, addr)</span>00030 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00031 <span class="preprocessor"></span><span class="preprocessor">#ifndef inb</span>00032 <span class="preprocessor"></span><span class="preprocessor"> #define inb(addr) inp(addr)</span>00033 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00034 <span class="preprocessor"></span>00035 <span class="comment">// support for individual port pin naming in the mega128</span>00036 <span class="comment">// see port128.h for details</span>00037 <span class="preprocessor">#ifdef __AVR_ATmega128__</span>00038 <span class="preprocessor"></span><span class="comment">// not currently necessary due to inclusion</span>00039 <span class="comment">// of these defines in newest AVR-GCC</span>00040 <span class="comment">// do a quick test to see if include is needed</span>00041 <span class="preprocessor">#ifndef PD0</span>00042 <span class="preprocessor"></span><span class="preprocessor"> #include "<a class="code" href="port128_8h.html">port128.h</a>"</span>00043 <span class="preprocessor">#endif</span>00044 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00045 <span class="preprocessor"></span>00046 <span class="comment">// use this for packed structures</span>00047 <span class="comment">// (this is seldom necessary on an 8-bit architecture like AVR,</span>00048 <span class="comment">// but can assist in code portability to AVR)</span>00049 <span class="preprocessor">#define GNUC_PACKED __attribute__((packed)) </span>00050 <span class="preprocessor"></span>00051 <span class="comment">// port address helpers</span>00052 <span class="preprocessor">#define DDR(x) ((x)-1) // address of data direction register of port x</span>00053 <span class="preprocessor"></span><span class="preprocessor">#define PIN(x) ((x)-2) // address of input register of port x</span>00054 <span class="preprocessor"></span>00055 <span class="comment">// MIN/MAX/ABS macros</span>00056 <span class="preprocessor">#define MIN(a,b) ((a<b)?(a):(b))</span>00057 <span class="preprocessor"></span><span class="preprocessor">#define MAX(a,b) ((a>b)?(a):(b))</span>00058 <span class="preprocessor"></span><span class="preprocessor">#define ABS(x) ((x>0)?(x):(-x))</span>00059 <span class="preprocessor"></span>00060 <span class="comment">// macro for reading 16bit words from program memory</span>00061 <span class="preprocessor">#define PRG_RDW(a) ( (PRG_RDB((unsigned char*)(a)) & 0x00FF) | ((PRG_RDB((unsigned char*)(a)+1))<<8) )</span>00062 <span class="preprocessor"></span>00063 <span class="comment">// constants</span>00064 <span class="preprocessor">#define PI 3.14159265359</span>00065 <span class="preprocessor"></span>00066 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Oct 15 03:50:21 2004 for Procyon AVRlib by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.6 </small></address></body></html>?? 快捷鍵說明
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