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<!-- ==================================== CONTENT - Headers ============================ -->
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<div class="content">
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>Serial</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
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||||
// Example by Tom Igoe
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||||
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||||
import processing.serial.*;
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||||
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||||
// The serial port:
|
||||
Serial myPort;
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||||
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
|
||||
// Send a capital A out the serial port:
|
||||
myPort.write(65);
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||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
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||||
Class for sending and receiving data using the serial communication protocol.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
|
||||
|
||||
<tr class=""><th scope="row">Methods</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
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||||
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||||
<th scope="row"><a href="Serial_available_.html">available()</a></th>
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<td></td>
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</tr>
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<tr class="">
|
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|
||||
<th scope="row"><a href="Serial_buffer_.html">buffer()</a></th>
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<td></td>
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</tr>
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<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_bufferUntil_.html">bufferUntil()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_clear_.html">clear()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_last_.html">last()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_lastChar_.html">lastChar()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_list_.html">list()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_read_.html">read()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_readBytes_.html">readBytes()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_readBytesUntil_.html">readBytesUntil()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_readChar_.html">readChar()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_readString_.html">readString()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_readStringUntil_.html">readStringUntil()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_stop_.html">stop()</a></th>
|
||||
<td></td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
|
||||
<th scope="row"><a href="Serial_write_.html">write()</a></th>
|
||||
<td></td>
|
||||
</tr></table></td></tr>
|
||||
|
||||
<tr class=""><th scope="row">Constructor</th><td><pre>Serial(<kbd>parent</kbd>)
|
||||
Serial(<kbd>parent</kbd>, <kbd>baudRate</kbd>)
|
||||
Serial(<kbd>parent</kbd>, <kbd>portName</kbd>)
|
||||
Serial(<kbd>parent</kbd>, <kbd>portName</kbd>, <kbd>baudRate</kbd>)
|
||||
Serial(<kbd>parent</kbd>, <kbd>portName</kbd>, <kbd>baudRate</kbd>, <kbd>parity</kbd>, <kbd>dataBits</kbd>, <kbd>stopBits</kbd>)
|
||||
</pre></td></tr>
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">parent</th>
|
||||
<td>PApplet: typically use "this"</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">baudRate</th>
|
||||
<td>int: 9600 is the default</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">portName</th>
|
||||
<td>String: name of the port (COM1 is the default)</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">parity</th>
|
||||
<td>char: 'N' for none, 'E' for even, 'O' for odd, 'M' for mark, 'S' for space ('N' is the default)</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">dataBits</th>
|
||||
<td>int: 8 is the default</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">stopBits</th>
|
||||
<td>float: 1.0, 1.5, or 2.0 (1.0 is the default)</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Related</th><td><a class="code" href="serialEvent_.html">serialEvent()</a><br /></td></tr>
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
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||||
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<!-- Creative Commons License -->
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<li><a href="http://p5js.org/">p5.js</a></li>
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<li><a href="http://py.processing.org/">Processing.py</a></li>
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<li><a href="http://android.processing.org/">Processing for Android</a></li>
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</ul>
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<!-- ==================================== CONTENT - Headers ============================ -->
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<div class="content">
|
||||
|
||||
<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
||||
<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>available()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
// The serial port:
|
||||
Serial myPort;
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
int inByte = myPort.read();
|
||||
println(inByte);
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Returns the number of bytes available.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.available()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">int</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
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|
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<div class="license">
|
||||
<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<rdf:li xml:lang='en' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>bufferUntil()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
String inString; // Input string from serial port
|
||||
int lf = 10; // ASCII linefeed
|
||||
|
||||
void setup() {
|
||||
size(400,200);
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
myPort.bufferUntil(lf);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
background(0);
|
||||
text("received: " + inString, 10,50);
|
||||
}
|
||||
|
||||
void serialEvent(Serial p) {
|
||||
inString = p.readString();
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Sets a specific byte to buffer until before calling <b>serialEvent()</b>.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.bufferUntil(<kbd>inByte</kbd>)</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">inByte</th>
|
||||
<td>int: the value to buffer until</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">void</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
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|
||||
<div class="license">
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<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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|
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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|
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>buffer()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
PFont myFont; // The display font
|
||||
String inString; // Input string from serial port
|
||||
int lf = 10; // ASCII linefeed
|
||||
|
||||
void setup() {
|
||||
size(400,200);
|
||||
// Make your own font. It's fun!
|
||||
myFont = loadFont("ArialMS-18.vlw");
|
||||
textFont(myFont, 18);
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
myPort.buffer(3);
|
||||
|
||||
}
|
||||
|
||||
void draw() {
|
||||
// Twiddle your thumbs
|
||||
background(0);
|
||||
text("Received: " + inString, 10, 50);
|
||||
|
||||
}
|
||||
|
||||
void serialEvent(Serial myPort) {
|
||||
inString = myPort.readString();
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Sets the number of bytes to buffer before calling serialEvent()
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.buffer(<kbd>size</kbd>)</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">size</th>
|
||||
<td>int: number of bytes to buffer</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">void</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
||||
|
||||
<div class="license">
|
||||
<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<rdf:li xml:lang='en' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
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<!-- ==================================== FOOTER ============================ -->
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<div id="footer">
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|
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||||
<head>
|
||||
<title>Serial::clear() \ Language (API) \ Processing 2+</title>
|
||||
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<li><a href="http://py.processing.org/">Processing.py</a></li>
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<li><a href="http://android.processing.org/">Processing for Android</a></li>
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<form name="search" method="get" action="//www.google.com/search">
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<p><input type="hidden" name="as_sitesearch" value="processing.org" />
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<!-- ==================================== CONTENT - Headers ============================ -->
|
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<div class="content">
|
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|
||||
<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
||||
|
||||
<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
||||
<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>clear()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
char inByte;
|
||||
int i = 0;
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
|
||||
}
|
||||
|
||||
void draw() {
|
||||
// Read until we have 10 bytes, then close the port
|
||||
if (myPort.available() > 1) {
|
||||
if (i >= 10) {
|
||||
// Clear the buffer, or available() will still be > 0:
|
||||
myPort.clear();
|
||||
// Close the port
|
||||
myPort.stop();
|
||||
println("10 bytes! I'm done!");
|
||||
} else {
|
||||
inByte = myPort.readChar();
|
||||
println(inByte);
|
||||
}
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Empty the buffer, removes all the data stored there.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.clear()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">void</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
||||
|
||||
<div class="license">
|
||||
<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<rdf:li xml:lang='en' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
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<!-- ==================================== FOOTER ============================ -->
|
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|
||||
<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
|
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|
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<a href="../../copyright.html">© Info</a>
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@@ -0,0 +1,172 @@
|
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||||
<head>
|
||||
<title>Serial::lastChar() \ Language (API) \ Processing 2+</title>
|
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|
||||
<li><a href="http://py.processing.org/">Processing.py</a></li>
|
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<li><a href="http://android.processing.org/">Processing for Android</a></li>
|
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|
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<script> document.querySelectorAll(".processing-logo")[0].className = "processing-logo"; </script>
|
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</div>
|
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|
||||
<!-- ==================================== CONTENT - Headers ============================ -->
|
||||
<div class="content">
|
||||
|
||||
<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
||||
|
||||
<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
||||
<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>lastChar()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port:
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
myPort.write(45);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
char lastIn = myPort.lastChar();
|
||||
println(lastIn);
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Returns the last byte received as a char or -1 if there is none available.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.lastChar()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">char</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
||||
|
||||
<div class="license">
|
||||
<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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|
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<rdf:li xml:lang='en' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
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|
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<!-- ==================================== FOOTER ============================ -->
|
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<div id="footer">
|
||||
|
||||
<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
|
||||
<div id="colophon">
|
||||
|
||||
<a href="../../copyright.html">© Info</a>
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|
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@@ -0,0 +1,171 @@
|
||||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
||||
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||||
<head>
|
||||
<title>Serial::last() \ Language (API) \ Processing 2+</title>
|
||||
|
||||
<link rel="icon" href="/favicon.ico" type="image/x-icon" />
|
||||
|
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|
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<meta name="Keywords" content="Processing, Sketchbook, Programming, Coding, Code, Art, Design" />
|
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<meta name="Description" content="Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. Since 2001, Processing has promoted software literacy within the visual arts and visual literacy within technology." />
|
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|
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|
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|
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|
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|
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|
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|
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<!-- ==================================== PAGE ============================ -->
|
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<div id="container">
|
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|
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|
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<!-- ==================================== HEADER ============================ -->
|
||||
|
||||
<div id="ribbon">
|
||||
<ul class="left">
|
||||
<li class="highlight"><a href="http://processing.org/">Processing</a></li>
|
||||
<li><a href="http://p5js.org/">p5.js</a></li>
|
||||
<li><a href="http://py.processing.org/">Processing.py</a></li>
|
||||
<li><a href="http://android.processing.org/">Processing for Android</a></li>
|
||||
</ul>
|
||||
<ul class="right">
|
||||
<li><a href="https://processingfoundation.org/">Processing Foundation</a></li>
|
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</ul>
|
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<div class="clear"></div>
|
||||
</div>
|
||||
<div id="header">
|
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<a href="/" title="Back to the Processing cover."><div class="processing-logo no-cover" alt="Processing cover"></div></a>
|
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<form name="search" method="get" action="//www.google.com/search">
|
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<p><input type="hidden" name="as_sitesearch" value="processing.org" />
|
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|
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|
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<div class="navBar" id="mainnav">
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<a href="../../index.html" >Language</a><br>
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<a href="../../libraries/index.html" class='active'>Libraries</a><br>
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<!-- ==================================== CONTENT - Headers ============================ -->
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||||
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|
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||||
<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
||||
|
||||
<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
||||
<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>last()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port:
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
int lastIn = myPort.last();
|
||||
println(lastIn);
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Returns last byte received or -1 if there is none available.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.last()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">int</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
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|
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>list()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
// The serial port
|
||||
Serial myPort;
|
||||
|
||||
// List all the available serial ports
|
||||
printArray(Serial.list());
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Gets a list of all available serial ports. Use <b>println()</b> to write the information to the text window.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.list()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">String[]</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
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|
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<!-- Creative Commons License -->
|
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|
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<div class="license">
|
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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<head>
|
||||
<title>Serial::readBytesUntil() \ Language (API) \ Processing 2+</title>
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<!-- ==================================== CONTENT - Headers ============================ -->
|
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<div class="content">
|
||||
|
||||
<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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|
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
||||
<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>readBytesUntil()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
myPort.write(65);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
int lf = 10;
|
||||
// Expand array size to the number of bytes you expect:
|
||||
byte[] inBuffer = new byte[7];
|
||||
myPort.readBytesUntil(lf, inBuffer);
|
||||
if (inBuffer != null) {
|
||||
String myString = new String(inBuffer);
|
||||
println(myString);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Reads from the port into a buffer of bytes up to and including a particular character. If the character isn't in the buffer, <b>null</b> is returned. The version with without the <b>byteBuffer</b> parameter returns a byte array of all data up to and including the <b>interesting</b> byte. This is not efficient, but is easy to use. The version with the <b>byteBuffer</b> parameter is more memory and time efficient. It grabs the data in the buffer and puts it into the byte array passed in and returns an int value for the number of bytes read. If the byte buffer is not large enough, -1 is returned and an error is printed to the message area. If nothing is in the buffer, 0 is returned.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.readBytesUntil(<kbd>inByte</kbd>)
|
||||
<kbd>serial</kbd>.readBytesUntil(<kbd>inByte</kbd>, <kbd>dest</kbd>)</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">inByte</th>
|
||||
<td>int: character designated to mark the end of the data</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">dest</th>
|
||||
<td>byte[]: passed in byte array to be altered</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">byte[] or int</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
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<!-- Creative Commons License -->
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<!-- ==================================== CONTENT - Headers ============================ -->
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>readBytes()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
// Expand array size to the number of bytes you expect
|
||||
byte[] inBuffer = new byte[7];
|
||||
while (myPort.available() > 0) {
|
||||
inBuffer = myPort.readBytes();
|
||||
myPort.readBytes(inBuffer);
|
||||
if (inBuffer != null) {
|
||||
String myString = new String(inBuffer);
|
||||
println(myString);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Reads a group of bytes from the buffer or <b>null</b> if there are none available. The version with no parameters returns a byte array of all data in the buffer. This is not efficient, but is easy to use. The version with the <b>byteBuffer</b> parameter is more memory and time efficient. It grabs the data in the buffer and puts it into the byte array passed in and returns an int value for the number of bytes read. If more bytes are available than can fit into the <b>byteBuffer</b>, only those that fit are read.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.readBytes()
|
||||
<kbd>serial</kbd>.readBytes(<kbd>max</kbd>)
|
||||
<kbd>serial</kbd>.readBytes(<kbd>dest</kbd>)</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">max</th>
|
||||
<td>int: the maximum number of bytes to read</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">byte[] or int</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
||||
|
||||
<div class="license">
|
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<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<title>Serial::readChar() \ Language (API) \ Processing 2+</title>
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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|
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>readChar()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port:
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
char inByte = myPort.readChar();
|
||||
println(inByte);
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Returns the next byte in the buffer as a char. Returns <b>-1</b> or <b>0xffff</b> if nothing is there.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.readChar()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">char</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
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|
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<div class="license">
|
||||
<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>readStringUntil()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
int lf = 10; // Linefeed in ASCII
|
||||
String myString = null;
|
||||
Serial myPort; // The serial port
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
myPort.clear();
|
||||
// Throw out the first reading, in case we started reading
|
||||
// in the middle of a string from the sender.
|
||||
myString = myPort.readStringUntil(lf);
|
||||
myString = null;
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
myString = myPort.readStringUntil(lf);
|
||||
if (myString != null) {
|
||||
println(myString);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Combination of <b>readBytesUntil()</b> and <b>readString()</b>. Returns <b>null</b> if it doesn't find what you're looking for.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.readStringUntil(<kbd>inByte</kbd>)</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">inByte</th>
|
||||
<td>int: character designated to mark the end of the data</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">String</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
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<!-- Creative Commons License -->
|
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|
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<div class="license">
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<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<title>Serial::readString() \ Language (API) \ Processing 2+</title>
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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|
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|
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<tr class="name-row">
|
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<th scope="row">Name</th>
|
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|
||||
<td><h3>readString()</h3></td>
|
||||
</tr>
|
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|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
String inBuffer = myPort.readString();
|
||||
if (inBuffer != null) {
|
||||
println(inBuffer);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Returns all the data from the buffer as a String or <b>null</b> if there is nothing available. This method assumes the incoming characters are ASCII. If you want to transfer Unicode data, first convert the String to a byte stream in the representation of your choice (i.e. UTF8 or two-byte Unicode data), and send it as a byte array.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.readString()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">String</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
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|
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<div class="license">
|
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<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<rdf:li xml:lang='en' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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<!-- ==================================== CONTENT - Headers ============================ -->
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
|
||||
<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>read()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
while (myPort.available() > 0) {
|
||||
int inByte = myPort.read();
|
||||
println(inByte);
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Returns a number between 0 and 255 for the next byte that's waiting in the buffer. Returns -1 if there is no byte, although this should be avoided by first cheacking <b>available()</b> to see if data is available.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.read()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">int</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
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|
||||
<div class="license">
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
|
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|
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<tr class=""><th scope="row">Class</th><td><p><a href="Serial.html">Serial</a></p></td></tr>
|
||||
|
||||
<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>stop()</h3></td>
|
||||
</tr>
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||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
char inByte;
|
||||
int i = 0;
|
||||
|
||||
void setup() {
|
||||
// List all the available serial ports
|
||||
printArray(Serial.list());
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
// Read until we have 10 bytes, then close the port
|
||||
if (myPort.available() > 0) {
|
||||
if (i >= 10) {
|
||||
// Clear the buffer, or available() will still be > 0
|
||||
myPort.clear();
|
||||
// Close the port
|
||||
myPort.stop();
|
||||
println("10 bytes! I'm done!");
|
||||
} else {
|
||||
inByte = myPort.readChar();
|
||||
println(inByte);
|
||||
}
|
||||
i++;
|
||||
}
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Stops data communication on this port. Use to shut the connection when you're finished with the Serial.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.stop()</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">void</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
||||
|
||||
<!-- Creative Commons License -->
|
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|
||||
<div class="license">
|
||||
<a rel="license" href="//creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border: none" src="https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png" /></a>
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
|
||||
<head>
|
||||
<title>Serial::write() \ Language (API) \ Processing 2+</title>
|
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|
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<li class="highlight"><a href="http://processing.org/">Processing</a></li>
|
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|
||||
<li><a href="http://py.processing.org/">Processing.py</a></li>
|
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|
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|
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|
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<th scope="row">Name</th>
|
||||
|
||||
<td><h3>write()</h3></td>
|
||||
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|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
// The serial port:
|
||||
Serial myPort;
|
||||
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
|
||||
// Open the port you are using at the rate you want:
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
|
||||
// Send a capital "A" out the serial port
|
||||
myPort.write(65);
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Writes bytes, chars, ints, bytes[], Strings to the serial port
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre><kbd>serial</kbd>.write(<kbd>src</kbd>)</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">serial</th>
|
||||
<td>Serial: any variable of type Serial</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">src</th>
|
||||
<td>byte[]: data to write</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">src</th>
|
||||
<td>int: data to write</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">src</th>
|
||||
<td>String: data to write</td>
|
||||
</tr></table></td> </tr>
|
||||
<tr class=""><th scope="row">Returns</th><td class="code">void</td></tr>
|
||||
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
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<!-- Creative Commons License -->
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<p>
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The Serial library reads and writes data to and from external devices one byte at a time. It allows two computers to send and receive data. This library has the flexibility to communicate with custom microcontroller devices and to use them as the input or output to Processing programs. The serial port is a nine pin I/O port that exists on many PCs and can be emulated through USB.
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<p>
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Issues related to the Serial library on different platforms are documented on the <a href="https://github.com/processing/processing/wiki/Serial-Issues">Processing Wiki</a>. The source code is available on the <a href="https://github.com/processing/processing/tree/master/java/libraries/serial">processing</a> GitHub repository.
|
||||
</p>
|
||||
<p>
|
||||
When sending data to the console, such as via print() or println(), note that the console is relatively slow. It does not support high-speed, real-time output (such as at 60 frames per second). For real-time monitoring of serial values, render those values to the Processing window during draw().
|
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|
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<a href="Serial.html">Serial</a><br />
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<a href="Serial_available_.html">available()</a><br />
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|
||||
<a href="Serial_readChar_.html">readChar()</a><br />
|
||||
<a href="Serial_readBytes_.html">readBytes()</a><br />
|
||||
<a href="Serial_readBytesUntil_.html">readBytesUntil()</a><br />
|
||||
<a href="Serial_readString_.html">readString()</a><br />
|
||||
<a href="Serial_readStringUntil_.html">readStringUntil()</a> <br />
|
||||
<a href="Serial_buffer_.html">buffer()</a><br />
|
||||
<a href="Serial_bufferUntil_.html">bufferUntil()</a><br />
|
||||
<a href="Serial_last_.html">last()</a><br />
|
||||
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|
||||
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|
||||
<a href="Serial_clear_.html">clear()</a><br />
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|
||||
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|
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|
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</p>
|
||||
|
||||
</div>
|
||||
|
||||
<div class="twocol-alt">
|
||||
|
||||
<p>
|
||||
<h5>Serial Event</h5>
|
||||
<p>
|
||||
<a href="serialEvent_.html">serialEvent()</a><br />
|
||||
</p>
|
||||
</p>
|
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|
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<!-- ==================================== FOOTER ============================ -->
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<div id="copyright">Processing was initiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="../../about/people.html">small team of volunteers</a>.</div>
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<title>serialEvent() \ Language (API) \ Processing 2+</title>
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<tr class="name-row">
|
||||
<th scope="row">Name</th>
|
||||
|
||||
<td><h3>serialEvent()</h3></td>
|
||||
</tr>
|
||||
|
||||
<tr class="">
|
||||
|
||||
<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
|
||||
// Example by Tom Igoe
|
||||
|
||||
import processing.serial.*;
|
||||
|
||||
Serial myPort; // The serial port
|
||||
PFont myFont; // The display font
|
||||
String inString; // Input string from serial port
|
||||
int lf = 10; // ASCII linefeed
|
||||
|
||||
void setup() {
|
||||
size(400,200);
|
||||
// You'll need to make this font with the Create Font Tool
|
||||
myFont = loadFont("ArialMS-18.vlw");
|
||||
textFont(myFont, 18);
|
||||
// List all the available serial ports:
|
||||
printArray(Serial.list());
|
||||
// I know that the first port in the serial list on my mac
|
||||
// is always my Keyspan adaptor, so I open Serial.list()[0].
|
||||
// Open whatever port is the one you're using.
|
||||
myPort = new Serial(this, Serial.list()[0], 9600);
|
||||
myPort.bufferUntil(lf);
|
||||
}
|
||||
|
||||
void draw() {
|
||||
background(0);
|
||||
text("received: " + inString, 10,50);
|
||||
}
|
||||
|
||||
void serialEvent(Serial p) {
|
||||
inString = p.readString();
|
||||
}
|
||||
|
||||
</pre></div>
|
||||
</td></tr>
|
||||
|
||||
<tr class="">
|
||||
<th scope="row">Description</th>
|
||||
<td>
|
||||
Called when data is available. Use one of the <b>read()</b> methods to capture this data. The <b>serialEvent()</b> can be set with <b>buffer()</b> to only trigger after a certain number of data elements are read and can be set with <b>bufferUntil()</b> to only trigger after a specific character is read. The <b>which</b> parameter contains the name of the port where new data is available, but is only useful when there is more than one serial connection open and it's necessary to distinguish between the two.
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
<tr class=""><th scope="row">Syntax</th><td><pre>
|
||||
void serialEvent(Serial whichPort) {
|
||||
statements
|
||||
}
|
||||
</pre></td></tr>
|
||||
|
||||
<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
|
||||
<th scope="row" class="code">whichPort</th>
|
||||
<td>Serial: the port where new data is available</td>
|
||||
</tr>
|
||||
<tr class="">
|
||||
<th scope="row" class="code">statements</th>
|
||||
<td>any valid statements</td>
|
||||
</tr></table></td> </tr>
|
||||
|
||||
<tr class=""><th scope="row">Related</th><td><a class="code" href="Serial.html">Serial</a><br /></td></tr>
|
||||
</table>
|
||||
|
||||
Updated on April 30, 2017 02:33:21pm EDT<br /><br />
|
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<!-- Creative Commons License -->
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|
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||||
<?xpacket begin='' id=''?>
|
||||
<x:xmpmeta xmlns:x='adobe:ns:meta/'>
|
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<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
|
||||
<rdf:Description rdf:about=''
|
||||
xmlns:xapRights='http://ns.adobe.com/xap/1.0/rights/'>
|
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<xapRights:Marked>True</xapRights:Marked>
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</rdf:Description>
|
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<rdf:Description rdf:about=''
|
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xmlns:xapRights='http://ns.adobe.com/xap/1.0/rights/'
|
||||
>
|
||||
<xapRights:UsageTerms>
|
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<rdf:Alt>
|
||||
<rdf:li xml:lang='x-default' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
|
||||
<rdf:li xml:lang='en' >This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.</rdf:li>
|
||||
</rdf:Alt>
|
||||
</xapRights:UsageTerms>
|
||||
</rdf:Description>
|
||||
<rdf:Description rdf:about=''
|
||||
xmlns:cc='http://creativecommons.org/ns#'>
|
||||
<cc:license rdf:resource='http://creativecommons.org/licenses/by-nc-sa/4.0/'/>
|
||||
</rdf:Description>
|
||||
|
||||
</rdf:RDF>
|
||||
</x:xmpmeta>
|
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<?xpacket end='r'?>
|
||||
|
||||
-->
|
||||
|
||||
</div>
|
||||
|
||||
<!-- ==================================== FOOTER ============================ -->
|
||||
<div id="footer">
|
||||
|
||||
<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
|
||||
<div id="colophon">
|
||||
|
||||
<a href="../../copyright.html">© Info</a>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
<script src="../../javascript/jquery-1.9.1.min.js"></script>
|
||||
<script src="../../javascript/site.js" type="text/javascript"></script>
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user