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Reference for Wiring version 0024+. 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 November 01, 2009 11:33:41pm PST