 
 //variable which disables all motor movement when set to TRUE.
 boolean e_stop = false;
-
 
 
 //<----------------- Excavator State machine ------------->

}

ros::Subscriber<command2ros::ExcavatorCommand> commandSubscriber("ExcavatorCommand", &newExcavatorCommandCallback);


void stopMovementMotors()

//<---------------- Set Up ------------------------------->
command2ros::ExcavatorCommand excavatorStatus;

// set up the default values for the current excavator
// settings (drive speed/duration, excavate speed/duration,
// bucket height, conveyor speed/duruation)
void setupExcavatorStatus(){
  excavatorStatus.drive_speed = 0;
  excavatorStatus.drive_duration = 0;
