flag.StringVar(&tty_dev_, "ttydev", "/dev/ttyACM0", "path do tty uc device")
flag.BoolVar(&use_syslog_, "syslog", false, "log to syslog local1 facility")
flag.StringVar(&tty_dev_, "ttydev", "/dev/ttyACM0", "path do tty uc device")
flag.BoolVar(&use_syslog_, "syslog", false, "log to syslog local1 facility")