Index
 
  Reference for Wiring 1.0 (ALPHA) 0020+. 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  

portMode()

   
Examples   
int outport = 1; 
int val = 0; 
 
void setup() { 
  portMode(outport, OUTPUT); 
} 
 
void loop() { 
  portWrite(outport, val); 
  val = val + 1; 
  if(val > 255) 
  { 
    val = 0; 
  } 
}

Description   The portMode() method sets a specified digital I/O port as INPUT or OUTPUT. A digital I/O port is a group of 8 pins. By writing 0 to a port it will set individually each of the 8 pins to 0 (LOW). Possible values range from 0 to 255. It possible to read or write a value of a digital I/O port by using the portRead() and portWrite() methods.
   
Syntax   
portMode(port,value)
   
Parameters  
port   Port number
value   int
   
Returns   None
   
Usage   Application
   
Related   INPUT
OUTPUT
portRead()
portWrite()