func NewSerialConnection()

in lib/ec2macossystemmonitor/serial.go [37:55]

• 14 lines of code
• 3 McCabe index (conditional complexity)

func NewSerialConnection(device string) (conn *SerialConnection, err error) {
	// Set up options for serial device, take defaults for now on everything else
	mode := &serial.Mode{
		BaudRate: 115200,
	}

	// Attempt to avoid opening a non-existent serial connection
	if !fileExists(device) {
		return nil, fmt.Errorf("ec2macossystemmonitor: serial device does not exist: %s", device)
	}
	// Open the serial port
	port, err := serial.Open(device, mode)
	if err != nil {
		return nil, fmt.Errorf("ec2macossystemmonitor: unable to get serial connection: %s", err)
	}
	// Put the port in a SerialConnection for handing it off
	s := SerialConnection{port}
	return &s, nil
}