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<div id="projectname">avr-libc
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<h1>uart.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * ----------------------------------------------------------------------------</span>
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<a name="l00003"></a>00003 <span class="comment"> * "THE BEER-WARE LICENSE" (Revision 42):</span>
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<a name="l00004"></a>00004 <span class="comment"> * <joerg@FreeBSD.ORG> wrote this file. As long as you retain this notice you</span>
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<a name="l00005"></a>00005 <span class="comment"> * can do whatever you want with this stuff. If we meet some day, and you think</span>
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<a name="l00006"></a>00006 <span class="comment"> * this stuff is worth it, you can buy me a beer in return. Joerg Wunsch</span>
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<a name="l00007"></a>00007 <span class="comment"> * ----------------------------------------------------------------------------</span>
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<a name="l00008"></a>00008 <span class="comment"> *</span>
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<a name="l00009"></a>00009 <span class="comment"> * Stdio demo, UART declarations</span>
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<a name="l00010"></a>00010 <span class="comment"> *</span>
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<a name="l00011"></a>00011 <span class="comment"> * $Id$</span>
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<a name="l00012"></a>00012 <span class="comment"> */</span>
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<a name="l00013"></a>00013
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<a name="l00014"></a>00014 <span class="comment">/*</span>
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<a name="l00015"></a>00015 <span class="comment"> * Perform UART startup initialization.</span>
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<a name="l00016"></a>00016 <span class="comment"> */</span>
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<a name="l00017"></a>00017 <span class="keywordtype">void</span> uart_init(<span class="keywordtype">void</span>);
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<a name="l00018"></a>00018
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<a name="l00019"></a>00019 <span class="comment">/*</span>
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<a name="l00020"></a>00020 <span class="comment"> * Send one character to the UART.</span>
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<a name="l00021"></a>00021 <span class="comment"> */</span>
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<a name="l00022"></a>00022 <span class="keywordtype">int</span> uart_putchar(<span class="keywordtype">char</span> c, <a class="code" href="group__avr__stdio.html#gaed4dabeb9f7c518ded42f930a04abce8">FILE</a> *stream);
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<a name="l00023"></a>00023
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<a name="l00024"></a>00024 <span class="comment">/*</span>
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<a name="l00025"></a>00025 <span class="comment"> * Size of internal line buffer used by uart_getchar().</span>
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<a name="l00026"></a>00026 <span class="comment"> */</span>
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<a name="l00027"></a>00027 <span class="preprocessor">#define RX_BUFSIZE 80</span>
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<a name="l00028"></a>00028 <span class="preprocessor"></span>
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<a name="l00029"></a>00029 <span class="comment">/*</span>
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<a name="l00030"></a>00030 <span class="comment"> * Receive one character from the UART. The actual reception is</span>
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<a name="l00031"></a>00031 <span class="comment"> * line-buffered, and one character is returned from the buffer at</span>
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<a name="l00032"></a>00032 <span class="comment"> * each invokation.</span>
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<a name="l00033"></a>00033 <span class="comment"> */</span>
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<a name="l00034"></a>00034 <span class="keywordtype">int</span> uart_getchar(<a class="code" href="group__avr__stdio.html#gaed4dabeb9f7c518ded42f930a04abce8">FILE</a> *stream);
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