Reference for Wiring version 0027+. 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.

Name

portRead()

Examples
int inport = 0;
int val = 0;

void setup() {
  portMode(inport, INPUT); 
  Serial.begin(9600);
}

void loop() {
  val = portRead(inport);
  Serial.print(val);
}
Description The portRead() method reads the value of the digital input port specified.
Syntax
portRead(port)
Parameters
port Port number to read from
Returns int
Usage Application
Related INPUT
OUTPUT
portWrite()
portMode()
Updated on September 16, 2010 09:16:36pm PDT

Creative Commons License