diff options
Diffstat (limited to 'klippy/serialhdl.py')
| -rw-r--r-- | klippy/serialhdl.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/klippy/serialhdl.py b/klippy/serialhdl.py index e9c645d0..9ef39dfd 100644 --- a/klippy/serialhdl.py +++ b/klippy/serialhdl.py @@ -3,7 +3,7 @@ # Copyright (C) 2016-2020 Kevin O'Connor <kevin@koconnor.net> # # This file may be distributed under the terms of the GNU GPLv3 license. -import logging, threading +import logging, threading, os import serial import msgproto, chelper, util @@ -91,7 +91,8 @@ class SerialReader: self.ser.rts = self.rts self.ser.open() else: - self.ser = open(self.serialport, 'rb+', buffering=0) + fd = os.open(self.serialport, os.O_RDWR | os.O_NOCTTY) + self.ser = os.fdopen(fd, 'rb+', 0) except (OSError, IOError, serial.SerialException) as e: logging.warn("Unable to open port: %s", e) self.reactor.pause(connect_time + 5.) |