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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: uart.c File Reference</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>uart.c File Reference</h1>UART driver with buffer support. <a href="#_details">More...</a><p><code>#include <avr/io.h></code><br><code>#include <avr/interrupt.h></code><br><code>#include <avr/signal.h></code><br><code>#include "<a class="el" href="buffer_8h-source.html">buffer.h</a>"</code><br><code>#include "<a class="el" href="uart_8h-source.html">uart.h</a>"</code><br><p><a href="uart_8c-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><tr><td colspan=2><br><h2>Typedefs</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a7" doxytag="uart.c::voidFuncPtru08" ></a>typedef void(* </td><td class="memItemRight" valign=bottom><b>voidFuncPtru08</b> )(unsigned char)</td></tr><tr><td colspan=2><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a9" doxytag="uart.c::uartInit" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a9">uartInit</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">initializes both uarts <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a10" doxytag="uart.c::uartInitBuffers" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a10">uartInitBuffers</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">initializes transmit and receive buffers <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a11" doxytag="uart.c::uartSetRxHandler" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a11">uartSetRxHandler</a> (void(*rx_func)(unsigned char c))</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">redirects received data to a user function <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a12" doxytag="uart.c::uartSetBaudRate" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a12">uartSetBaudRate</a> (u32 baudrate)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sets the uart baud rate <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a13" doxytag="uart.c::uartGetRxBuffer" ></a>cBuffer * </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a13">uartGetRxBuffer</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns pointer to the receive buffer structure <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a14" doxytag="uart.c::uartGetTxBuffer" ></a>cBuffer * </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a14">uartGetTxBuffer</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns pointer to the transmit buffer structure <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a15" doxytag="uart.c::uartSendByte" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a15">uartSendByte</a> (u08 txData)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sends a single byte over the uart <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a16" doxytag="uart.c::uartGetByte" ></a>int </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a16">uartGetByte</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">gets a single byte from the uart receive buffer (getchar-style) <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a17" doxytag="uart.c::uartReceiveByte" ></a>u08 </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a17">uartReceiveByte</a> (u08 *rxData)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">gets a single byte from the uart receive buffer <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a18" doxytag="uart.c::uartFlushReceiveBuffer" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a18">uartFlushReceiveBuffer</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">flushes (deletes) all data from receive buffer <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a19" doxytag="uart.c::uartReceiveBufferIsEmpty" ></a>u08 </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a19">uartReceiveBufferIsEmpty</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns TRUE/FALSE if receive buffer is empty/not-empty <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a20" doxytag="uart.c::uartAddToTxBuffer" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a20">uartAddToTxBuffer</a> (u08 data)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">add byte to end of uart Tx buffer <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a21" doxytag="uart.c::uartSendTxBuffer" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a21">uartSendTxBuffer</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">begins transmission of the transmit buffer under interrupt control <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a22" doxytag="uart.c::UART_INTERRUPT_HANDLER" ></a> </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a22">UART_INTERRUPT_HANDLER</a> (SIG_UART_TRANS)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">UART Transmit Complete Interrupt Handler. <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a23" doxytag="uart.c::UART_INTERRUPT_HANDLER" ></a> </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a23">UART_INTERRUPT_HANDLER</a> (SIG_UART_RECV)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">UART Receive Complete Interrupt Handler. <br><br></td></tr><tr><td colspan=2><br><h2>Variables</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a0" doxytag="uart.c::uartReadyTx" ></a>volatile u08 </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a0">uartReadyTx</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">uartReadyTx flag <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a1" doxytag="uart.c::uartBufferedTx" ></a>volatile u08 </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a1">uartBufferedTx</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">uartBufferedTx flag <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a2" doxytag="uart.c::uartRxBuffer" ></a>cBuffer </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a2">uartRxBuffer</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">uart receive buffer <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a3" doxytag="uart.c::uartTxBuffer" ></a>cBuffer </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a3">uartTxBuffer</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">uart transmit buffer <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a4" doxytag="uart.c::uartRxOverflow" ></a>unsigned short </td><td class="memItemRight" valign=bottom><a class="el" href="uart_8c.html#a4">uartRxOverflow</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">receive overflow counter <br><br></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>UART driver with buffer support. <p><p>Definition in file <a class="el" href="uart_8c-source.html">uart.c</a>.<hr size="1"><address style="align: right;"><small>Generated on Fri Oct 15 03:50:23 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>⌨️ 快捷键说明
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