microbit cylon

main.go

package main

import (
	"machine"
	"time"
)

func main() {
	machine.InitLEDMatrix()

	left := machine.GPIO{machine.BUTTONA}
	left.Configure(machine.GPIOConfig{Mode: machine.GPIO_INPUT})

	var (
		x uint8 = 2
		y uint8 = 2
	)

	machine.ClearLEDMatrix()

	var forward bool
	for {

		if forward {
			if x == 4 {
				forward = false
			}
			x++
		} else {
			if x == 0 {
				forward = true
			}
			x--
		}

		machine.SetLEDMatrix(x, y)
		time.Sleep(time.Millisecond * 100)

	}

}