forked from M-Labs/artiq
comm_serial.py: Use cross-platform pyserial
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@ -1,5 +1,4 @@
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import os
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import termios
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import serial
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import struct
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import zlib
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from enum import Enum
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@ -66,27 +65,14 @@ class Comm(AutoContext):
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implicit_core = False
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def build(self):
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self._fd = os.open(self.serial_dev, os.O_RDWR | os.O_NOCTTY)
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self.port = os.fdopen(self._fd, "r+b", buffering=0)
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self.set_baud(115200)
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self.port = serial.Serial(self.serial_dev, baudrate=115200)
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self.port.flush()
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self.set_remote_baud(self.baud_rate)
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self.set_baud(self.baud_rate)
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def set_baud(self, baud):
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iflag, oflag, cflag, lflag, ispeed, ospeed, cc = \
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termios.tcgetattr(self._fd)
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iflag = termios.IGNBRK | termios.IGNPAR
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oflag = 0
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cflag |= termios.CLOCAL | termios.CREAD | termios.CS8
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lflag = 0
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ispeed = ospeed = getattr(termios, "B"+str(baud))
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cc[termios.VMIN] = 1
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cc[termios.VTIME] = 0
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termios.tcsetattr(self._fd, termios.TCSANOW, [
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iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
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termios.tcdrain(self._fd)
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termios.tcflush(self._fd, termios.TCOFLUSH)
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termios.tcflush(self._fd, termios.TCIFLUSH)
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self.port.baudrate = baud
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self.port.flush()
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logger.debug("baud rate set to".format(baud))
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def set_remote_baud(self, baud):
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