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+// Copyright (C) 2017 - IIT Bombay - FOSSEE
+//
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
+
+function AVRDigitalPortSetup(port,direction)
+// Function to decide direction of port on AVR
+//
+// Calling Sequence
+//     AVRDigitalPortSetup(port,direction)
+//
+// Parameters
+//     port : port of microcontroller to be used(1 for PORTA, 2 for PORTB,...)
+//     direction : direction to be set for pin (0 for INPUT, 1 for OUTPUT)
+//
+// Description
+//     Each AVR microcontroller has pins which can be configured as digital
+//     outputs/inputs. These are normally divided among some 'ports' (group of pins).
+//     User has to select one of these port and which pin of that port to be 
+//     used as digital output/input. Also, desired direction must be specified as 
+//     'INPUT' or 'OUTPUT'.     
+//
+// Examples
+//     AVRDigitalPortSetup(1,0); //This function will make PortA as input port
+//
+// See also
+//     AVRDigitalIn AVRDigitalOut
+//
+//
+// Authors
+//     Siddhesh Wani Ashish Kamble
+//
+// This is curretly dummy function. It provides no functionality but is required 
+// for providing support for generating C code for AVR.
+
+if((port==0)|(port>=5)) then 
+disp("Error : Invalid input argument ''port'' in AVRDigitalPortSetup function.");
+end
+if(direction>=2) then 
+disp("Error : Invalid input argument ''direction'' in AVRDigitalPortSetup function.");
+end
+endfunction