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import termios
import serial
class SerialConnection:
def __init__(self, portName):
self._port = serial.Serial(portName)
def configure(self, config: dict) -> None:
self._port.baudrate = config["baudrate"]
self._port.bytesize = config["bytesize"]
self._port.stopbits = config["stopbits"]
self._port.parity = config["parity"]
def send(self, request):
self._port.write(request.encode())
return self._port.readline().decode()
def checkConfiguration(self) -> None:
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = termios.tcgetattr(self._port)
# JDS6600 configuration taken from manual
assert ispeed == termios.B115200
assert ospeed == termios.B115200
assert (cflag & termios.CSIZE) == termios.CS8
assert (cflag & termios.CSTOPB) == 0
assert (cflag & (termios.PARENB | termios.PARODD)) == 0
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