/****************************************************************************
 Module
   CollisionModule.c

 Revision
   1.0.1

 Description
   This is a Collision detection file for ME218B Lab 8 for Team 3.

 Notes

 Private Definitions
   FRONT_LEFT_SWITCH_HI
   FRONT_RIGHT_SWITCH_HI
   REAR_LEFT_SWITCH_HI
   REAR_RIGHT_SWITCH_HI
   LastSwitchStates



void InitializeCollisionDetection(void) -------------------------------------
  // Sample the limit switch port pin and use it to initialize history


bool LimitSwitchChecker(void) -----------------------------------------------
  // grab the current switch line
  // check if front left limit switch depressed (and wasn't before)
    // if so:
      // set return value to be true
      // post that a limit switch was hit to debounce limit switch service
  // check if front right limit switch depressed (and wasn't before)
    // if so:
      // set return value to be true
      // post that a limit switch was hit to debounce limit switch service
  // check if rear left limit switch depressed (and wasn't before)
    // if so:
      // set return value to be true
      // post that a limit switch was hit to debounce limit switch service
  // check if rear right limit switch depressed (and wasn't before)
    // if so:
      // set return value to be true
      // post that a limit switch was hit to debounce limit switch service
  // reset the last state of the switches
  // return return value


/***************************************************************************/