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, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

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:
  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);
  }
}

Description Returns the next byte in the buffer as a char. Returns -1 or 0xffff if nothing is there.
Syntax
serial.readChar()
Parameters
serial Serial: any variable of type Serial
Returnschar
Updated on February 11, 2019 02:10:34pm EST

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