Function Init

sa53/protocol/protocol.go:81–97

Init is to create Mac structure and open serial port

(device string)

// Init is to create Mac structure and open serial port
func Init(device string) (*Mac, error) {
	mode := &serial.Mode{
		BaudRate: 57600,
	}

	port, err := serial.Open(device, mode)
	if err != nil {
		return nil, fmt.Errorf("cannot open serial port %s: %w", device, err)
	}

	m := &Mac{
		device: device,
		port:   port,
		closer: port,
	}
	return m, nil
}

// Close is to close serial port
func (m *Mac) Close() {