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comm_serial.py: Use cross-platform pyserial

This commit is contained in:
Yann Sionneau 2014-12-19 17:21:10 +01:00 committed by Sebastien Bourdeauducq
parent eeb2790243
commit e4897132ad
1 changed files with 5 additions and 19 deletions
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24
artiq/coredevice/comm_serial.py
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@ -1,5 +1,4 @@
import os
import termios
import serial
import struct
import zlib
from enum import Enum
@ -66,27 +65,14 @@ class Comm(AutoContext):
implicit_core = False
def build(self):
self._fd = os.open(self.serial_dev, os.O_RDWR | os.O_NOCTTY)
self.port = os.fdopen(self._fd, "r+b", buffering=0)
self.set_baud(115200)
self.port = serial.Serial(self.serial_dev, baudrate=115200)
self.port.flush()
self.set_remote_baud(self.baud_rate)
self.set_baud(self.baud_rate)
def set_baud(self, baud):
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = \
termios.tcgetattr(self._fd)
iflag = termios.IGNBRK | termios.IGNPAR
oflag = 0
cflag |= termios.CLOCAL | termios.CREAD | termios.CS8
lflag = 0
ispeed = ospeed = getattr(termios, "B"+str(baud))
cc[termios.VMIN] = 1
cc[termios.VTIME] = 0
termios.tcsetattr(self._fd, termios.TCSANOW, [
iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
termios.tcdrain(self._fd)
termios.tcflush(self._fd, termios.TCOFLUSH)
termios.tcflush(self._fd, termios.TCIFLUSH)
self.port.baudrate = baud
self.port.flush()
logger.debug("baud rate set to".format(baud))
def set_remote_baud(self, baud):