MikrofonSensor und TemperaturSenor die zwei Python programme funktionieren. mit den jeweiligen 2 json Datein. Beim TemperaturSensor wird im Terminal keine Wertre ausgegeben aber in der json Datei kann man die Temp und Hum sehen.
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253
lib/python3.11/site-packages/serial/serialcli.py
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253
lib/python3.11/site-packages/serial/serialcli.py
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#! python
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#
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# Backend for .NET/Mono (IronPython), .NET >= 2
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#
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# This file is part of pySerial. https://github.com/pyserial/pyserial
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# (C) 2008-2015 Chris Liechti <cliechti@gmx.net>
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#
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# SPDX-License-Identifier: BSD-3-Clause
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from __future__ import absolute_import
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import System
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import System.IO.Ports
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from serial.serialutil import *
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# must invoke function with byte array, make a helper to convert strings
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# to byte arrays
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sab = System.Array[System.Byte]
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def as_byte_array(string):
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return sab([ord(x) for x in string]) # XXX will require adaption when run with a 3.x compatible IronPython
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class Serial(SerialBase):
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"""Serial port implementation for .NET/Mono."""
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BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
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9600, 19200, 38400, 57600, 115200)
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def open(self):
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"""\
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Open port with current settings. This may throw a SerialException
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if the port cannot be opened.
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"""
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if self._port is None:
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raise SerialException("Port must be configured before it can be used.")
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if self.is_open:
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raise SerialException("Port is already open.")
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try:
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self._port_handle = System.IO.Ports.SerialPort(self.portstr)
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except Exception as msg:
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self._port_handle = None
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raise SerialException("could not open port %s: %s" % (self.portstr, msg))
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# if RTS and/or DTR are not set before open, they default to True
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if self._rts_state is None:
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self._rts_state = True
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if self._dtr_state is None:
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self._dtr_state = True
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self._reconfigure_port()
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self._port_handle.Open()
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self.is_open = True
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if not self._dsrdtr:
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self._update_dtr_state()
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if not self._rtscts:
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self._update_rts_state()
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self.reset_input_buffer()
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def _reconfigure_port(self):
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"""Set communication parameters on opened port."""
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if not self._port_handle:
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raise SerialException("Can only operate on a valid port handle")
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#~ self._port_handle.ReceivedBytesThreshold = 1
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if self._timeout is None:
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self._port_handle.ReadTimeout = System.IO.Ports.SerialPort.InfiniteTimeout
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else:
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self._port_handle.ReadTimeout = int(self._timeout * 1000)
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# if self._timeout != 0 and self._interCharTimeout is not None:
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# timeouts = (int(self._interCharTimeout * 1000),) + timeouts[1:]
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if self._write_timeout is None:
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self._port_handle.WriteTimeout = System.IO.Ports.SerialPort.InfiniteTimeout
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else:
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self._port_handle.WriteTimeout = int(self._write_timeout * 1000)
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# Setup the connection info.
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try:
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self._port_handle.BaudRate = self._baudrate
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except IOError as e:
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# catch errors from illegal baudrate settings
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raise ValueError(str(e))
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if self._bytesize == FIVEBITS:
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self._port_handle.DataBits = 5
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elif self._bytesize == SIXBITS:
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self._port_handle.DataBits = 6
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elif self._bytesize == SEVENBITS:
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self._port_handle.DataBits = 7
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elif self._bytesize == EIGHTBITS:
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self._port_handle.DataBits = 8
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else:
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raise ValueError("Unsupported number of data bits: %r" % self._bytesize)
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if self._parity == PARITY_NONE:
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self._port_handle.Parity = getattr(System.IO.Ports.Parity, 'None') # reserved keyword in Py3k
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elif self._parity == PARITY_EVEN:
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self._port_handle.Parity = System.IO.Ports.Parity.Even
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elif self._parity == PARITY_ODD:
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self._port_handle.Parity = System.IO.Ports.Parity.Odd
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elif self._parity == PARITY_MARK:
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self._port_handle.Parity = System.IO.Ports.Parity.Mark
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elif self._parity == PARITY_SPACE:
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self._port_handle.Parity = System.IO.Ports.Parity.Space
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else:
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raise ValueError("Unsupported parity mode: %r" % self._parity)
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if self._stopbits == STOPBITS_ONE:
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self._port_handle.StopBits = System.IO.Ports.StopBits.One
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elif self._stopbits == STOPBITS_ONE_POINT_FIVE:
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self._port_handle.StopBits = System.IO.Ports.StopBits.OnePointFive
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elif self._stopbits == STOPBITS_TWO:
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self._port_handle.StopBits = System.IO.Ports.StopBits.Two
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else:
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raise ValueError("Unsupported number of stop bits: %r" % self._stopbits)
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if self._rtscts and self._xonxoff:
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self._port_handle.Handshake = System.IO.Ports.Handshake.RequestToSendXOnXOff
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elif self._rtscts:
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self._port_handle.Handshake = System.IO.Ports.Handshake.RequestToSend
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elif self._xonxoff:
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self._port_handle.Handshake = System.IO.Ports.Handshake.XOnXOff
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else:
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self._port_handle.Handshake = getattr(System.IO.Ports.Handshake, 'None') # reserved keyword in Py3k
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#~ def __del__(self):
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#~ self.close()
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def close(self):
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"""Close port"""
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if self.is_open:
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if self._port_handle:
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try:
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self._port_handle.Close()
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except System.IO.Ports.InvalidOperationException:
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# ignore errors. can happen for unplugged USB serial devices
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pass
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self._port_handle = None
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self.is_open = False
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# - - - - - - - - - - - - - - - - - - - - - - - -
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@property
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def in_waiting(self):
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"""Return the number of characters currently in the input buffer."""
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if not self.is_open:
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raise PortNotOpenError()
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return self._port_handle.BytesToRead
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def read(self, size=1):
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"""\
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Read size bytes from the serial port. If a timeout is set it may
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return less characters as requested. With no timeout it will block
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until the requested number of bytes is read.
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"""
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if not self.is_open:
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raise PortNotOpenError()
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# must use single byte reads as this is the only way to read
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# without applying encodings
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data = bytearray()
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while size:
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try:
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data.append(self._port_handle.ReadByte())
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except System.TimeoutException:
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break
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else:
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size -= 1
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return bytes(data)
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def write(self, data):
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"""Output the given string over the serial port."""
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if not self.is_open:
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raise PortNotOpenError()
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#~ if not isinstance(data, (bytes, bytearray)):
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#~ raise TypeError('expected %s or bytearray, got %s' % (bytes, type(data)))
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try:
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# must call overloaded method with byte array argument
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# as this is the only one not applying encodings
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self._port_handle.Write(as_byte_array(data), 0, len(data))
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except System.TimeoutException:
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raise SerialTimeoutException('Write timeout')
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return len(data)
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def reset_input_buffer(self):
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"""Clear input buffer, discarding all that is in the buffer."""
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if not self.is_open:
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raise PortNotOpenError()
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self._port_handle.DiscardInBuffer()
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def reset_output_buffer(self):
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"""\
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Clear output buffer, aborting the current output and
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discarding all that is in the buffer.
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"""
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if not self.is_open:
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raise PortNotOpenError()
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self._port_handle.DiscardOutBuffer()
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def _update_break_state(self):
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"""
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Set break: Controls TXD. When active, to transmitting is possible.
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"""
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if not self.is_open:
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raise PortNotOpenError()
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self._port_handle.BreakState = bool(self._break_state)
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def _update_rts_state(self):
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"""Set terminal status line: Request To Send"""
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if not self.is_open:
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raise PortNotOpenError()
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self._port_handle.RtsEnable = bool(self._rts_state)
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def _update_dtr_state(self):
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"""Set terminal status line: Data Terminal Ready"""
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if not self.is_open:
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raise PortNotOpenError()
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self._port_handle.DtrEnable = bool(self._dtr_state)
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@property
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def cts(self):
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"""Read terminal status line: Clear To Send"""
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if not self.is_open:
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raise PortNotOpenError()
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return self._port_handle.CtsHolding
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@property
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def dsr(self):
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"""Read terminal status line: Data Set Ready"""
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if not self.is_open:
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raise PortNotOpenError()
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return self._port_handle.DsrHolding
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@property
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def ri(self):
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"""Read terminal status line: Ring Indicator"""
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if not self.is_open:
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raise PortNotOpenError()
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#~ return self._port_handle.XXX
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return False # XXX an error would be better
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@property
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def cd(self):
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"""Read terminal status line: Carrier Detect"""
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if not self.is_open:
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raise PortNotOpenError()
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return self._port_handle.CDHolding
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# - - platform specific - - - -
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# none
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