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| <h2 title="Interface SerialDevice" class="title">Interface SerialDevice</h2> |
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| <pre>public interface <span class="typeNameLabel">SerialDevice</span> |
| extends <a href="../../../../../org/apache/edgent/topology/TopologyElement.html" title="interface in org.apache.edgent.topology">TopologyElement</a></pre> |
| <div class="block">Access to a device (or devices) connected by a serial port. |
| A serial port at runtime is represented by |
| a <a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial"><code>SerialPort</code></a>. |
| <P> |
| <code>SerialDevice</code> is typically used through |
| a protocol module that sends the appropriate bytes |
| to the port and decodes the bytes output by the port. |
| </P> |
| <P> |
| It is guaranteed that during any call to function returned by |
| this interface has exclusive access to <a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial"><code>SerialPort</code></a>. |
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| <td class="colFirst"><code><T> <a href="../../../../../org/apache/edgent/function/Supplier.html" title="interface in org.apache.edgent.function">Supplier</a><T></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/serial/SerialDevice.html#getSource-org.apache.edgent.function.Function-">getSource</a></span>(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial">SerialPort</a>,T> driver)</code> |
| <div class="block">Create a function that can be used to source a |
| stream from a serial port device.</div> |
| </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/connectors/serial/SerialDevice.html#setInitializer-org.apache.edgent.function.Consumer-">setInitializer</a></span>(<a href="../../../../../org/apache/edgent/function/Consumer.html" title="interface in org.apache.edgent.function">Consumer</a><<a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial">SerialPort</a>> initializer)</code> |
| <div class="block">Set the initialization function for this port.</div> |
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| <h4>setInitializer</h4> |
| <pre>void setInitializer(<a href="../../../../../org/apache/edgent/function/Consumer.html" title="interface in org.apache.edgent.function">Consumer</a><<a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial">SerialPort</a>> initializer)</pre> |
| <div class="block">Set the initialization function for this port. |
| Can be used to send setup instructions to the |
| device connected to this serial port. |
| <BR> |
| <code>initializer.accept(port)</code> is called once, passing a runtime |
| <a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial"><code>SerialPort</code></a> for this serial device.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>initializer</code> - Function to be called when the application runs.</dd> |
| </dl> |
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| <h4>getSource</h4> |
| <pre><T> <a href="../../../../../org/apache/edgent/function/Supplier.html" title="interface in org.apache.edgent.function">Supplier</a><T> getSource(<a href="../../../../../org/apache/edgent/function/Function.html" title="interface in org.apache.edgent.function">Function</a><<a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial">SerialPort</a>,T> driver)</pre> |
| <div class="block">Create a function that can be used to source a |
| stream from a serial port device. |
| <BR> |
| Calling <code>get()</code> on the returned function will result in a call |
| to <code>driver.apply(serialPort)</code> |
| passing a runtime <a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html" title="interface in org.apache.edgent.connectors.serial"><code>SerialPort</code></a> for this serial device. |
| The value returned by <code>driver.apply(serialPort)</code> is |
| returned by this returned function. |
| <BR> |
| The function <code>driver</code> typically sends instructions to the |
| serial port using <a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html#getOutput--"><code>SerialPort.getOutput()</code></a> and then |
| reads the result using <a href="../../../../../org/apache/edgent/connectors/serial/SerialPort.html#getInput--"><code>SerialPort.getInput()</code></a>. |
| <P> |
| Multiple instances of a supplier function can be created, |
| for example to read different parameters from the |
| device connected to the serial port. While each function |
| is being called it has exclusive use of the serial port. |
| </P></div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - Tuple type</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>driver</code> - Function that interacts with the serial port to produce a value.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Function that for each call will interact with the serial port to produce a value.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/edgent/topology/Topology.html#poll-org.apache.edgent.function.Supplier-long-java.util.concurrent.TimeUnit-"><code>Topology.poll(Supplier, long, TimeUnit)</code></a></dd> |
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