Reference for Processing version 1.0+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Class

Serial

Name

readChar()

Examples
// Example by Tom Igoe

import processing.serial.*;

Serial myPort;  // The serial port:

void setup() {
  // List all the available serial ports:
  println(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);

}

void draw() {
  while (myPort.available() > 0) {
    char inByte = myPort.readChar();
    println(inByte);
  }
}
Description Returns the next byte in the buffer as a char. Returns -1 or 0xffff if nothing is there.
Syntax
serial.readChar()
Parameters
serial any variable of type Serial
Returns int
Usage Web & Application
Updated on November 22, 2008 08:39:23pm PST

Creative Commons License