1import SwiftIO
2import MadBoard
3
4@main
5public struct Blink {
6    public static func main() {
7        // Initialize three LEDs.
8        let red = DigitalOut(Id.D16)
9        let green = DigitalOut(Id.D17)
10        let blue = DigitalOut(Id.D18)
11
12        // The code here will run all the time.
13        while true {
14            // Turn on red LED for 1 second, then off.
15            red.write(true)
16            sleep(ms: 1000)
17            red.write(false)
18        
19            // Turn on green LED for 1 second, then off.
20            green.write(true)
21            sleep(ms: 1000)
22            green.write(false)
23        
24            // Turn on blue LED for 1 second, then off.
25            blue.high()
26            sleep(ms: 1000)
27            blue.low()
28        }
29    }
30}