random.c

/*
 * @file random.c
 *
 * @author Andy Lindsay
 *
 * @version 1.1.8
 *
 * @copyright Copyright (C) Parallax, Inc. 2018.  See end of file for 
 * terms of use (MIT License).
 *
 * @brief random function source, see simpletools.h for documentation.
 *
 * @detail Please submit bug reports, suggestions, and improvements to
 * this code to editor@parallax.com.
 */
 
static int seeded = 0;
 
#include "simpletools.h" 
 
 
int random(int limitLow, int limitHigh)
{ 
  if(!seeded) 
  {
    srand(INA + CNT);
    seeded = 1;
  }    
    
  if(limitLow > limitHigh)
  {
    int temp = limitLow;
    limitLow = limitHigh;
    limitHigh = temp;
  }    
  return (limitLow + (rand() % ((limitHigh + 1) - limitLow)) );
}