javax.comm.serialport.html

java串口通讯api

  <dd> Gets the state of the RTS (Request To Send) bit in the UART.
<p>
</dl>
<a name="isCTS()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="isCTS"><b>isCTS</b></a>
<pre>
 public abstract boolean isCTS()
</pre>
<dl>
  <dd> Gets the state of the CTS (Clear To Send) bit in the UART.
<p>
</dl>
<a name="isDSR()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="isDSR"><b>isDSR</b></a>
<pre>
 public abstract boolean isDSR()
</pre>
<dl>
  <dd> Gets the state of the DSR (Data Set Ready) bit in the UART.
<p>
</dl>
<a name="isRI()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="isRI"><b>isRI</b></a>
<pre>
 public abstract boolean isRI()
</pre>
<dl>
  <dd> Gets the state of the RI (Ring Indicator) bit in the UART.
<p>
</dl>
<a name="isCD()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="isCD"><b>isCD</b></a>
<pre>
 public abstract boolean isCD()
</pre>
<dl>
  <dd> Gets the state of the CD (Carrier Detect) bit in the UART.
<p>
</dl>
<a name="addEventListener(javax.comm.SerialPortEventListener)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="addEventListener"><b>addEventListener</b></a>
<pre>
 public abstract void addEventListener(<a href="javax.comm.SerialPortEventListener.html#_top_">SerialPortEventListener</a> lsnr) throws TooManyListenersException
</pre>
<dl>
  <dd> Registers a <CODE>SerialPortEventListener</CODE> object to listen
 for <CODE>SerialEvent</CODE>s. Interest in specific events may
 be expressed using the <CODE>notifyOn<I>XXX</I></CODE> calls. The
 <CODE>serialEvent</CODE> method of <CODE>SerialPortEventListener</CODE>
 will be called with a <CODE>SerialEvent</CODE> object describing
 the event. 
 <P>
 Only one listener per <CODE>SerialPort</CODE> is supported.
 Calling <CODE>addEventListener</CODE> multiple times will simply
 replace the current <CODE>SerialPortEventListener</CODE> object.
 <P>
 All the events received by this listener are generated by one 
 dedicated thread that belongs to the SerialPort object. After the port
 is closed, no more event will be generated. Another call to 
 <CODE>open()</CODE> of the port's <CODE>CommPortIdentifier</CODE> 
 object will return a new <CODE>CommPort</CODE> object, and the lsnr 
 has to be added again to the new <CODE>CommPort</CODE> object to 
 receive event from this port.
 <P>
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> lsnr - The <CODE>SerialPortEventListener</CODE> object
			whose <CODE>serialEvent</CODE> method will be called
			with a <CODE>SerialEvent</CODE> describing the event.
 <P>
    <dt> <b>Throws:</b> TooManyListenersException
    <dd> If an initial attempt to
                  attach a listener succeeds, 
                  subsequent attempts will throw
                  TooManyListenersException without effecting
                  the first listener.
  </dl></dd>
</dl>
<a name="removeEventListener()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="removeEventListener"><b>removeEventListener</b></a>
<pre>
 public abstract void removeEventListener()
</pre>
<dl>
  <dd> Deregisters event listener registered using <CODE>addEventListener</CODE>.
 <P>
 This is done automatically at port close.
<p>
</dl>
<a name="notifyOnDataAvailable(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnDataAvailable"><b>notifyOnDataAvailable</b></a>
<pre>
 public abstract void notifyOnDataAvailable(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification when input data is available.
 This may be used to drive asynchronous input. When data is
 available in the input buffer, this event is propagated to
 the listener registered using <CODE>addEventListener</CODE>.
 <P>
 The event will be generated once when new data arrive at the serial 
 port. Even if the user doesn't read the data, it won't be generated 
 again until next time new data arrive.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnOutputEmpty(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnOutputEmpty"><b>notifyOnOutputEmpty</b></a>
<pre>
 public abstract void notifyOnOutputEmpty(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification when the output buffer
 is empty. This may be used to drive asynchronous output. When the
 output buffer becomes empty, this event is propagated to the listener
 registered using <CODE>addEventListener</CODE>.
 The event will be generated after a write is completed, when the system
 buffer becomes empty again.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnCTS(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnCTS"><b>notifyOnCTS</b></a>
<pre>
 public abstract void notifyOnCTS(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when the CTS (Clear To Send) bit changes.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnDSR(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnDSR"><b>notifyOnDSR</b></a>
<pre>
 public abstract void notifyOnDSR(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when the DSR (Data Set Ready) bit changes.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnRingIndicator(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnRingIndicator"><b>notifyOnRingIndicator</b></a>
<pre>
 public abstract void notifyOnRingIndicator(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when the RI (Ring Indicator) bit changes.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnCarrierDetect(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnCarrierDetect"><b>notifyOnCarrierDetect</b></a>
<pre>
 public abstract void notifyOnCarrierDetect(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when the CD (Carrier Detect) bit changes.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnOverrunError(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnOverrunError"><b>notifyOnOverrunError</b></a>
<pre>
 public abstract void notifyOnOverrunError(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when there is an overrun error.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnParityError(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnParityError"><b>notifyOnParityError</b></a>
<pre>
 public abstract void notifyOnParityError(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when there is a parity error.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnFramingError(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnFramingError"><b>notifyOnFramingError</b></a>
<pre>
 public abstract void notifyOnFramingError(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when there is a framing error.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<a name="notifyOnBreakInterrupt(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="notifyOnBreakInterrupt"><b>notifyOnBreakInterrupt</b></a>
<pre>
 public abstract void notifyOnBreakInterrupt(boolean enable)
</pre>
<dl>
  <dd> Expresses interest in receiving notification
 when there is a break interrupt on the line.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> enable
 - <UL>
  <LI>
	true:	enable notification
  <LI>
	false:	disable notification
	</UL>
  </dl></dd>
</dl>
<hr>
<pre>
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