// safeKill turns the motor off if the program is killed with CTRL+C.
func safeKill() {
var c = make(chan os.Signal)
signal.Notify(c, os.Interrupt)
<-c
driver.Elev_set_motor_direction(def.DIR_STOP)
log.Fatal(def.ColR, "User terminated program.", def.ColN)
}
//Elevator movement functions
func setDirection(direction driver.Elev_motor_direction_t) {
driver.Elev_set_motor_direction(direction)
if direction != driver.DIRN_STOP {
isMoving = true
} else {
isMoving = false
}
}
func readChannels(ch fsm.Channels) {
buttonChan := getButtons()
for {
select {
case dir := <-ch.MotorDir:
driver.Elev_set_motor_direction(dir)
case doorLight := <-ch.DoorLight:
driver.Elev_set_door_open_lamp(doorLight)
case floor := <-ch.NewFloor:
driver.Elev_set_floor_indicator(floor)
case buttonPressed := <-buttonChan:
switch buttonPressed.Button {
case def.BUTTON_COMMAND:
queue.SetLocalOrder(buttonPressed)
case def.BUTTON_DOWN, def.BUTTON_UP:
cost.ChooseElevator(onlineLifts, buttonPressed, true)
}
//Incoming messages
case tcpMessage := <-incomingTcpMsg:
switch tcpMessage.Type {
case def.ORDER:
queue.SetLocalOrder(tcpMessage.Order)
case def.UPDATEREMOTELIGHT:
def.SyncLight <- tcpMessage.Order
ch.OrderTimerReset <- true
}
case message := <-incomingMsg:
handleMsg(ch, message)
//Outgoing messages
case button := <-def.SyncRemoteLights:
for i := range onlineLifts {
if i == def.LocalElevator.Addr {
def.SyncLight <- button
} else {
go network.TcpConnect(i, def.TcpPort, def.TcpMessage{Type: def.UPDATEREMOTELIGHT, Order: button})
}
}
//Handles if motor stops working
case <-ch.OrderTimerTimeout:
for f := 0; f < def.N_FLOORS; f++ {
for b := 0; b < def.BUTTON_COMMAND; b++ {
if def.LocalElevator.Orders[f][b] {
cost.ChooseElevator(onlineLifts, def.ButtonPress{b, f, true, def.LocalElevator.Addr}, false)
}
}
}
}
}
}