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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>libdragonfly: dio.c File Reference</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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<h1>dio.c File Reference</h1>Digital Input and Output.
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<a href="#_details">More...</a>
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<p>
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<code>#include &lt;avr/interrupt.h&gt;</code><br>
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<code>#include &lt;<a class="el" href="dio_8h_source.html">dio.h</a>&gt;</code><br>
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<code>#include &lt;<a class="el" href="time_8h_source.html">time.h</a>&gt;</code><br>
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<code>#include &lt;<a class="el" href="lights_8h_source.html">lights.h</a>&gt;</code><br>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g6202143ed6d0f809095c21bfac32acdd">digital_input</a> (int portpin)</td></tr>
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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Read a portpin.  <a href="group__dio.html#g6202143ed6d0f809095c21bfac32acdd"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g6bcadb9200f988ae733a51aa70467978">digital_pull_up</a> (int portpin)</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pullup a portpin.  <a href="group__dio.html#g6bcadb9200f988ae733a51aa70467978"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g67967857dcc26aeea8cdd0a53a9e138d">digital_output</a> (int portpin, int val)</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Output to a portpin.  <a href="group__dio.html#g67967857dcc26aeea8cdd0a53a9e138d"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#gedac5cd2a11710ab4294de2ae4efe989">button1_read</a> (void)</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Check if button1 is pressed.  <a href="group__dio.html#gedac5cd2a11710ab4294de2ae4efe989"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g63755dc896b16e09d5223cada174d87b">button1_wait</a> (void)</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Wait until button1 is pressed.  <a href="group__dio.html#g63755dc896b16e09d5223cada174d87b"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g1f8648caa59384d58fc157d8933f4be5">button1_click</a> ()</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Check if button1 is clicked.  <a href="group__dio.html#g1f8648caa59384d58fc157d8933f4be5"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g65e4c13e999fdfa9da3394d0175f17aa">button2_read</a> (void)</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Check if button2 is pressed.  <a href="group__dio.html#g65e4c13e999fdfa9da3394d0175f17aa"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g4971f4473e759bcff2e2758e75bcdbe8">button2_wait</a> (void)</td></tr>


      

      

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<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Wait until button2 is pressed.  <a href="group__dio.html#g4971f4473e759bcff2e2758e75bcdbe8"></a><br></td></tr>


      

      

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<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dio.html#g4147c347b473bd41c0a0f02af4dd39f2">button2_click</a> ()</td></tr>


      

      

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</table>


      

      

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<hr><h2>Detailed Description</h2>


      

      

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Digital Input and Output.


      

      

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<p>


      

      

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Copyright (c) 2007 Colony Project<p>


      

      

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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:<p>


      

      

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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.<p>


      

      

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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.<p>


      

      

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Implementation of functions for digital input and output.<p>


      

      

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<dl class="author" compact><dt><b>Author:</b></dt><dd>Colony Project, CMU Robotics Club </dd></dl>


      

      

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<hr size="1"><address style="text-align: right;"><small>Generated on Mon Sep 7 19:07:28 2009 for libdragonfly by&nbsp;


      

      

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<a href="http://www.doxygen.org/index.html">


      

      

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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>


      

      

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