setDirection.c

/*
 * @file setDirection.c
 *
 * @author Andy Lindsay
 *
 * @version 0.85
 *
 * @copyright Copyright (C) Parallax, Inc. 2012.  See end of file for
 * terms of use (MIT License).
 *
 * @brief setDirection function source, see simpletools.h for documentation.
 *
 * @detail Please submit bug reports, suggestions, and improvements to
 * this code to editor@parallax.com.
 */
 
#include "simpletools.h"                      // simpletools function prototypes
 
void set_direction(int pin, int direction)    // setDirection function definition
{
  unsigned int mask = 1 << pin;
  if (direction == 0)
  {
    DIRA &= (~mask);
  }
  else
  {
    DIRA |= mask;
  }
}