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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>AVR446 - Linear speed control of stepper motor: uart.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.7 --><div class="qindex"><a class="qindex" href="main.html">Main Page</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> | <a class="qindex" href="pages.html">Related Pages</a></div><h1>uart.h</h1><a href="uart_8h.html">Go to the documentation of this file.</a><pre class="fragment"><div>00001 <span class="comment">/*This file has been prepared for Doxygen automatic documentation generation.*/</span>00020 <span class="preprocessor">#ifndef UART_H</span>00021 <span class="preprocessor"></span><span class="preprocessor">#define UART_H</span>00022 <span class="preprocessor"></span>00023 <span class="comment">// UART Buffer Defines</span><a name="l00024"></a><a class="code" href="uart_8h.html#a0">00024</a> <span class="preprocessor">#define UART_RX_BUFFER_SIZE 32 // 2,4,8,16,32,64,128 or 256 bytes</span><a name="l00025"></a><a class="code" href="uart_8h.html#a1">00025</a> <span class="preprocessor"></span><span class="preprocessor">#define UART_RX_BUFFER_MASK ( UART_RX_BUFFER_SIZE - 1 )</span>00026 <span class="preprocessor"></span><span class="preprocessor">#if ( UART_RX_BUFFER_SIZE & UART_RX_BUFFER_MASK )</span>00027 <span class="preprocessor"></span><span class="preprocessor"> #error RX buffer size is not a power of 2</span>00028 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00029 <span class="preprocessor"></span><a name="l00030"></a><a class="code" href="uart_8h.html#a2">00030</a> <span class="preprocessor">#define UART_TX_BUFFER_SIZE 64 // 2,4,8,16,32,64,128 or 256 bytes</span><a name="l00031"></a><a class="code" href="uart_8h.html#a3">00031</a> <span class="preprocessor"></span><span class="preprocessor">#define UART_TX_BUFFER_MASK ( UART_TX_BUFFER_SIZE - 1 )</span>00032 <span class="preprocessor"></span><span class="preprocessor">#if ( UART_TX_BUFFER_SIZE & UART_TX_BUFFER_MASK )</span>00033 <span class="preprocessor"></span><span class="preprocessor"> #error TX buffer size is not a power of 2</span>00034 <span class="preprocessor"></span><span class="preprocessor">#endif</span>00035 <span class="preprocessor"></span> <span class="comment">// UDR Empty Interrupt</span><a name="l00036"></a><a class="code" href="uart_8h.html#a4">00036</a> <span class="preprocessor">#define SET_UDRIE (UCSR0B |= (1<<UDRIE0))</span><a name="l00037"></a><a class="code" href="uart_8h.html#a5">00037</a> <span class="preprocessor"></span><span class="preprocessor">#define CLR_UDRIE (UCSR0B &= ~(1<<UDRIE0))</span>00038 <span class="preprocessor"></span>00039 <span class="keywordtype">void</span> <a class="code" href="uart_8c.html#a6">InitUART</a>(<span class="keywordtype">void</span>);00040 <span class="keywordtype">void</span> <a class="code" href="uart_8h.html#a8">uart_SendByte</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> data);00041 <span class="keywordtype">void</span> <a class="code" href="uart_8h.html#a9">uart_SendString</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Tab[]);00042 <span class="keywordtype">void</span> <a class="code" href="uart_8h.html#a10">uart_SendInt</a>(<span class="keywordtype">int</span> Tall);00043 <span class="keywordtype">void</span> <a class="code" href="uart_8c.html#a10">uart_FlushRxBuffer</a>(<span class="keywordtype">void</span>);00044 <a name="l00046"></a><a class="code" href="uart_8h.html#a6">00046</a> <span class="keyword">extern</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="uart_8c.html#a1">UART_RxBuffer</a>[<a class="code" href="uart_8h.html#a0">UART_RX_BUFFER_SIZE</a>];00047 00048 <span class="preprocessor">#pragma vector=USART_RX_vect</span>00049 <span class="preprocessor"></span>__interrupt <span class="keywordtype">void</span> <a class="code" href="uart_8c.html#a11">UART_RX_interrupt</a>( <span class="keywordtype">void</span> );00050 <span class="preprocessor">#pragma vector=USART_UDRE_vect</span>00051 <span class="preprocessor"></span>__interrupt <span class="keywordtype">void</span> <a class="code" href="uart_8c.html#a12">UART_TX_interrupt</a>( <span class="keywordtype">void</span> );00052 00053 <span class="preprocessor">#endif</span></div></pre><hr size="1"><address style="align: right;"><small>Generated on Mon May 8 15:05:03 2006 for AVR446 - Linear speed control of stepper motor by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.7 </small></address></body></html>⌨️ 快捷键说明
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