func newOrder(ch Channels) {
switch def.LocalElevator.State {
case def.MOVING:
//Do nothing
case def.IDLE:
def.LocalElevator.Dir = queue.ChooseDir(def.LocalElevator.Floor, def.LocalElevator.Dir)
if queue.ShouldStop(def.LocalElevator.Floor, def.LocalElevator.Dir) {
def.LocalElevator.State = def.DOOR_OPEN
ch.DoorLight <- true
ch.DoorTimerReset <- true
ch.OrderTimerReset <- true
} else {
ch.MotorDir <- def.LocalElevator.Dir
def.LocalElevator.State = def.MOVING
}
case def.DOOR_OPEN:
if queue.ShouldStop(def.LocalElevator.Floor, def.LocalElevator.Dir) {
ch.DoorTimerReset <- true
}
default:
}
}
func OnFloorArrival(hwCh def.HardwareChan, OutgoingMsg chan<- def.Message, newFloor int) {
Elevator.Floor = newFloor
hwCh.FloorLamp <- Elevator.Floor
switch Elevator.Behaviour {
case moving:
if queue.ShouldStop(newFloor, Elevator.Dir) {
hwCh.MotorDir <- def.DirStop
hwCh.DoorLamp <- true
hwCh.DoorTimerReset <- true
queue.RemoveLocalRequestsAt(Elevator.Floor, OutgoingMsg)
Elevator.Behaviour = doorOpen
}
}
}
func floorReached(ch Channels, newFloor int) {
def.LocalElevator.Floor = newFloor
ch.NewFloor <- def.LocalElevator.Floor
switch def.LocalElevator.State {
case def.MOVING:
if queue.ShouldStop(def.LocalElevator.Floor, def.LocalElevator.Dir) {
def.LocalElevator.Dir = def.DIR_STOP
ch.MotorDir <- def.LocalElevator.Dir
def.LocalElevator.State = def.DOOR_OPEN
ch.DoorLight <- true
ch.DoorTimerReset <- true
ch.OrderTimerReset <- true
}
default:
}
}
func OnNewRequest(OutgoingMsg chan<- def.Message, hwCh def.HardwareChan) {
switch Elevator.Behaviour {
case doorOpen:
if queue.ShouldStop(Elevator.Floor, Elevator.Dir) {
hwCh.DoorTimerReset <- true
queue.RemoveLocalRequestsAt(Elevator.Floor, OutgoingMsg)
}
case moving:
//Do nothing
case idle:
Elevator.Dir = queue.ChooseDirection(Elevator.Floor, Elevator.Dir)
if Elevator.Dir == def.DirStop {
hwCh.DoorLamp <- true
hwCh.DoorTimerReset <- true
queue.RemoveLocalRequestsAt(Elevator.Floor, OutgoingMsg)
Elevator.Behaviour = doorOpen
} else {
hwCh.MotorDir <- Elevator.Dir
Elevator.Behaviour = moving
}
}
}