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<h1>uart.h</h1> </div>
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<a href="uart_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*-</span>
<a name="l00002"></a>00002 <span class="comment"> * Public platform independent Near Field Communication (NFC) library</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2009, 2010, Roel Verdult, Romuald Conty</span>
<a name="l00005"></a>00005 <span class="comment"> * </span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software: you can redistribute it and/or modify it</span>
<a name="l00007"></a>00007 <span class="comment"> * under the terms of the GNU Lesser General Public License as published by the</span>
<a name="l00008"></a>00008 <span class="comment"> * Free Software Foundation, either version 3 of the License, or (at your</span>
<a name="l00009"></a>00009 <span class="comment"> * option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> * </span>
<a name="l00011"></a>00011 <span class="comment"> * This program is distributed in the hope that it will be useful, but WITHOUT</span>
<a name="l00012"></a>00012 <span class="comment"> * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span>
<a name="l00013"></a>00013 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for</span>
<a name="l00014"></a>00014 <span class="comment"> * more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> * along with this program. If not, see <http://www.gnu.org/licenses/></span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00026"></a>00026 <span class="preprocessor">#ifndef __NFC_BUS_UART_H__</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor"># define __NFC_BUS_UART_H__</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span>
<a name="l00029"></a>00029 <span class="preprocessor"># include <stdio.h></span>
<a name="l00030"></a>00030 <span class="preprocessor"># include <string.h></span>
<a name="l00031"></a>00031 <span class="preprocessor"># include <stdlib.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor"># include <nfc/nfc-types.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">// Handle platform specific includes</span>
<a name="l00037"></a>00037 <span class="preprocessor"># ifndef _WIN32</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor"># include <termios.h></span>
<a name="l00039"></a>00039 <span class="preprocessor"># include <sys/ioctl.h></span>
<a name="l00040"></a>00040 <span class="preprocessor"># include <unistd.h></span>
<a name="l00041"></a>00041 <span class="preprocessor"># include <fcntl.h></span>
<a name="l00042"></a>00042 <span class="preprocessor"># include <sys/types.h></span>
<a name="l00043"></a>00043 <span class="preprocessor"># include <sys/stat.h></span>
<a name="l00044"></a>00044 <span class="preprocessor"># include <limits.h></span>
<a name="l00045"></a>00045 <span class="preprocessor"># include <sys/time.h></span>
<a name="l00046"></a>00046 <span class="preprocessor"># include <unistd.h></span>
<a name="l00047"></a>00047 <span class="preprocessor"># define delay_ms( X ) usleep( X * 1000 )</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor"># else</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor"># include "contrib/windows.h"</span>
<a name="l00050"></a>00050 <span class="preprocessor"># define delay_ms( X ) Sleep( X )</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor"># endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 <span class="comment">// Path to the serial port is OS-dependant.</span>
<a name="l00054"></a>00054 <span class="comment">// Try to guess what we should use.</span>
<a name="l00055"></a>00055 <span class="preprocessor"># if defined (_WIN32)</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor"># define DEFAULT_SERIAL_PORTS { "COM1", "COM2", "COM3", "COM4", NULL }</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor"># elif defined(__APPLE__)</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span> <span class="comment">// XXX: find UART connection string for PN53X device on Mac OS X when multiples devices are used</span>
<a name="l00059"></a>00059 <span class="preprocessor"># define DEFAULT_SERIAL_PORTS { "/dev/tty.SLAB_USBtoUART", NULL }</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor"># elif defined (__FreeBSD__) || defined (__OpenBSD__)</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span> <span class="comment">// XXX: Not tested</span>
<a name="l00062"></a>00062 <span class="preprocessor"># define DEFAULT_SERIAL_PORTS { "/dev/cuau0", "/dev/cuau1", "/dev/cuau2", "/dev/cuau3", NULL }</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="preprocessor"># elif defined (__linux__)</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span><span class="preprocessor"># define DEFAULT_SERIAL_PORTS { "/dev/ttyUSB0", "/dev/ttyUSB1", "/dev/ttyUSB2", "/dev/ttyUSB3", "/dev/ttyS0", "/dev/ttyS1", "/dev/ttyS2", "/dev/ttyS3", NULL }</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span><span class="preprocessor"># else</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="preprocessor"># error "Can't determine serial string for your system"</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="preprocessor"># endif</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span>
<a name="l00069"></a>00069 <span class="comment">// Define shortcut to types to make code more readable</span>
<a name="l00070"></a>00070 <span class="keyword">typedef</span> <span class="keywordtype">void</span> *serial_port;
<a name="l00071"></a>00071 <span class="preprocessor"># define INVALID_SERIAL_PORT (void*)(~1)</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="preprocessor"># define CLAIMED_SERIAL_PORT (void*)(~2)</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>
<a name="l00074"></a>00074 serial_port uart_open (<span class="keyword">const</span> <span class="keywordtype">char</span> *pcPortName);
<a name="l00075"></a>00075 <span class="keywordtype">void</span> uart_close (<span class="keyword">const</span> serial_port sp);
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">void</span> uart_set_speed (serial_port sp, <span class="keyword">const</span> uint32_t uiPortSpeed);
<a name="l00078"></a>00078 uint32_t uart_get_speed (<span class="keyword">const</span> serial_port sp);
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordtype">int</span> <a class="code" href="uart_8h.html#a51a4c4c363a0de96e1e9df399ae8b2f4" title="Receive data from UART and copy data to pbtRx.">uart_receive</a> (serial_port sp, byte_t * pbtRx, <span class="keywordtype">size_t</span> * pszRx);
<a name="l00081"></a>00081 <span class="keywordtype">int</span> <a class="code" href="uart_8h.html#a39c415b8d6fa14b2168f2a35cbac48d0" title="Send pbtTx content to UART.">uart_send</a> (serial_port sp, <span class="keyword">const</span> byte_t * pbtTx, <span class="keyword">const</span> <span class="keywordtype">size_t</span> szTx);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="preprocessor">#endif // __NFC_BUS_UART_H__</span>
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