led/utils/utils.go

package utils

import (
	"github.com/pkg/term"
)

// Getch simply listens for input from stdin
func Getch() []byte {
	t, _ := term.Open("/dev/tty")
	term.RawMode(t)
	bytes := make([]byte, 3)
	numRead, err := t.Read(bytes)
	t.Restore()
	t.Close()
	if err != nil {
		return nil
	}
	return bytes[0:numRead]
}