Processing

Reference+
Documentation→Libraries→Core→Serial→Serial

Name

read()

Class

Serial

Description

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 available() to see if data is available.

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) {
    int inByte = myPort.read();
    println(inByte);
  }
}

Syntax

  • serial.read()

Parameters

  • serial(Serial) any variable of type Serial

Return

  • int
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