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linux下的串口通讯程序.用于开发串口程序很方便

<tr><td class="memItemLeft" nowrap align="right" valign="top">COMMTIMEOUTS&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classWin__QextSerialPort.html#a3909dbcf96493e43d79e075e626d68b">Win_CommTimeouts</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">HANDLE&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classWin__QextSerialPort.html#f6dae6bb1c6b51e766e551bc11f1721d">Win_Handle</a></td></tr>

<tr><td colspan="2"><br><h2>Static Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static QMutex *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQextSerialBase.html#f3d14f4614db4415c5f89746633cf197">mutex</a> = NULL</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static QMutex *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQextSerialBase.html#f3d14f4614db4415c5f89746633cf197">mutex</a> = NULL</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static ulong&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQextSerialBase.html#e5df0cdbbf84781c17f02b8dbc99c93a">refCount</a> = 0</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static ulong&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQextSerialBase.html#e5df0cdbbf84781c17f02b8dbc99c93a">refCount</a> = 0</td></tr>

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<hr><a name="_details"></a><h2>Detailed Description</h2>
<dl compact><dt><b>Version:</b></dt><dd>1.0.0 </dd></dl>
<dl compact><dt><b>Author:</b></dt><dd>Stefan Sander</dd></dl>
A cross-platform serial port class. This class encapsulates a serial port on both POSIX and Windows systems. The user will be notified of errors and possible portability conflicts at run-time by default - this behavior can be turned off by defining _TTY_NOWARN_ (to turn off all warnings) or _TTY_NOWARN_PORT_ (to turn off portability warnings) in the project.<p>
<dl compact><dt><b>Note:</b></dt><dd>On Windows NT/2000/XP this class uses Win32 serial port functions by default. The user may select POSIX behavior under NT, 2000, or XP ONLY by defining _TTY_POSIX_ in the project. I can make no guarantees as to the quality of POSIX support under NT/2000 however. </dd></dl>

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<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="6aba59fc97222d64653f94c491747ffd"></a><!-- doxytag: member="QextSerialPort::QextSerialPort" ref="6aba59fc97222d64653f94c491747ffd" args="()" -->
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Default constructor. Note that the naming convention used by a <a class="el" href="classQextSerialPort.html">QextSerialPort</a> constructed with this constructor will be determined by defined constants, or lack thereof - the default behavior is the same as _TTY_LINUX_. Possible naming conventions and their associated constants are:<p>
<div class="fragment"><pre class="fragment">Constant         Used By         Naming Convention
----------       -------------   ------------------------
_TTY_WIN_        Windows         COM1, COM2
_TTY_IRIX_       SGI/IRIX        /dev/ttyf1, /dev/ttyf2
_TTY_HPUX_       HP-UX           /dev/tty1p0, /dev/tty2p0
_TTY_SUN_        SunOS/Solaris   /dev/ttya, /dev/ttyb
_TTY_DIGITAL_    Digital UNIX    /dev/tty01, /dev/tty02
_TTY_FREEBSD_    FreeBSD         /dev/ttyd0, /dev/ttyd1
_TTY_LINUX_      Linux           /dev/ttyS0, /dev/ttyS1
&lt;none&gt;           Linux           /dev/ttyS0, /dev/ttyS1
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The object will be associated with the first port in the system, e.g. COM1 on Windows systems. See the other constructors if you need to use a port other than the first. <div class="fragment"><pre class="fragment"><a name="l00047"></a>00047  : <a class="code" href="classQextBaseType.html">QextBaseType</a>()
<a name="l00048"></a>00048 {}
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<a class="anchor" name="d134e1a6ec2d0ebc4c48660d057999e5"></a><!-- doxytag: member="QextSerialPort::QextSerialPort" ref="d134e1a6ec2d0ebc4c48660d057999e5" args="(const QString &amp;name)" -->
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Constructs a serial port attached to the port specified by name. name is the name of the device, which is windowsystem-specific, e.g."COM1" or "/dev/ttyS0". <div class="fragment"><pre class="fragment"><a name="l00057"></a>00057  : <a class="code" href="classQextBaseType.html">QextBaseType</a>(name)
<a name="l00058"></a>00058 {}
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<a class="anchor" name="3227cce266f97fc6066239a301fdc251"></a><!-- doxytag: member="QextSerialPort::QextSerialPort" ref="3227cce266f97fc6066239a301fdc251" args="(PortSettings const &amp;s)" -->
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Constructs a port with default name and settings specified by the settings parameter. <div class="fragment"><pre class="fragment"><a name="l00065"></a>00065  : <a class="code" href="classQextBaseType.html">QextBaseType</a>(settings)
<a name="l00066"></a>00066 {}
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<a class="anchor" name="4b30a03285f32254076bf2ee6e579709"></a><!-- doxytag: member="QextSerialPort::QextSerialPort" ref="4b30a03285f32254076bf2ee6e579709" args="(const QString &amp;name, PortSettings const &amp;s)" -->
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Constructs a port with the name and settings specified. <div class="fragment"><pre class="fragment"><a name="l00073"></a>00073  : <a class="code" href="classQextBaseType.html">QextBaseType</a>(name, settings)
<a name="l00074"></a>00074 {}
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<a class="anchor" name="207af0672a6a954e6621933e93b9923e"></a><!-- doxytag: member="QextSerialPort::QextSerialPort" ref="207af0672a6a954e6621933e93b9923e" args="(const QextSerialPort &amp;s)" -->
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