func receiveOrder(commChannel chan ElevatorOrder) {
var prevOrderMatrix [driver.N_FLOORS][driver.N_BUTTONS]int
for i := 0; i < driver.N_FLOORS; i++ {
for j := 0; j < driver.N_BUTTONS; j++ {
prevOrderMatrix[i][j] = 0
}
}
var currentOrderMatrix [driver.N_FLOORS][driver.N_BUTTONS]int
var tempOrder ElevatorOrder
for {
time.Sleep(time.Millisecond * 10)
for i := 0; i < driver.N_FLOORS; i++ {
for j := 0; j < driver.N_BUTTONS; j++ {
currentOrderMatrix[i][j] = driver.Elev_get_button_signal(driver.Elev_button_type_t(j), i)
}
}
for i := 0; i < driver.N_FLOORS; i++ {
for j := 0; j < driver.N_BUTTONS; j++ {
if (currentOrderMatrix[i][j] == 1) && (prevOrderMatrix[i][j] == 0) {
tempOrder.OrderType = driver.Elev_button_type_t(j)
tempOrder.Floor = i
commChannel <- tempOrder
}
}
}
prevOrderMatrix = currentOrderMatrix
}
}
func getButtons() <-chan def.ButtonPress {
c := make(chan def.ButtonPress, 10)
go func() {
var buttonState [def.N_FLOORS][def.N_BUTTONS]bool
for {
for f := 0; f < def.N_FLOORS; f++ {
for b := 0; b < def.N_BUTTONS; b++ {
if driver.Elev_get_button_signal(b, f) {
if !buttonState[f][b] {
c <- def.ButtonPress{Button: b, Floor: f, Value: true}
}
buttonState[f][b] = true
} else {
buttonState[f][b] = false
}
}
}
time.Sleep(time.Millisecond)
}
}()
return c
}