[PATCH v2 1/5] remove local pyserial
Sascha Hauer
s.hauer at pengutronix.de
Thu Sep 8 02:30:01 PDT 2022
A copy of pyserial has been put into the tree because RFC2217 support
was broken back then. This issue is long fixed, so remove the local
copy.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
scripts/serial/__init__.py | 79 -
scripts/serial/rfc2217.py | 1327 -----------------
scripts/serial/serialcli.py | 284 ----
scripts/serial/serialposix.py | 730 ---------
scripts/serial/serialutil.py | 572 -------
scripts/serial/tools/__init__.py | 1 -
scripts/serial/tools/list_ports.py | 103 --
scripts/serial/tools/list_ports_linux.py | 152 --
scripts/serial/urlhandler/__init__.py | 1 -
scripts/serial/urlhandler/protocol_hwgrep.py | 45 -
scripts/serial/urlhandler/protocol_loop.py | 279 ----
scripts/serial/urlhandler/protocol_rfc2217.py | 11 -
scripts/serial/urlhandler/protocol_socket.py | 291 ----
13 files changed, 3875 deletions(-)
delete mode 100644 scripts/serial/__init__.py
delete mode 100644 scripts/serial/rfc2217.py
delete mode 100644 scripts/serial/serialcli.py
delete mode 100644 scripts/serial/serialposix.py
delete mode 100644 scripts/serial/serialutil.py
delete mode 100644 scripts/serial/tools/__init__.py
delete mode 100644 scripts/serial/tools/list_ports.py
delete mode 100644 scripts/serial/tools/list_ports_linux.py
delete mode 100644 scripts/serial/urlhandler/__init__.py
delete mode 100644 scripts/serial/urlhandler/protocol_hwgrep.py
delete mode 100644 scripts/serial/urlhandler/protocol_loop.py
delete mode 100644 scripts/serial/urlhandler/protocol_rfc2217.py
delete mode 100644 scripts/serial/urlhandler/protocol_socket.py
diff --git a/scripts/serial/__init__.py b/scripts/serial/__init__.py
deleted file mode 100644
index 33ae52ec11..0000000000
--- a/scripts/serial/__init__.py
+++ /dev/null
@@ -1,79 +0,0 @@
-#!/usr/bin/env python
-
-# portable serial port access with python
-# this is a wrapper module for different platform implementations
-#
-# (C) 2001-2010 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-VERSION = '2.7'
-
-import sys
-
-if sys.platform == 'cli':
- from serial.serialcli import *
-else:
- import os
- # chose an implementation, depending on os
- if os.name == 'nt': #sys.platform == 'win32':
- from serial.serialwin32 import *
- elif os.name == 'posix':
- from serial.serialposix import *
- elif os.name == 'java':
- from serial.serialjava import *
- else:
- raise ImportError("Sorry: no implementation for your platform ('%s') available" % (os.name,))
-
-
-protocol_handler_packages = [
- 'serial.urlhandler',
- ]
-
-def serial_for_url(url, *args, **kwargs):
- """\
- Get an instance of the Serial class, depending on port/url. The port is not
- opened when the keyword parameter 'do_not_open' is true, by default it
- is. All other parameters are directly passed to the __init__ method when
- the port is instantiated.
-
- The list of package names that is searched for protocol handlers is kept in
- ``protocol_handler_packages``.
-
- e.g. we want to support a URL ``foobar://``. A module
- ``my_handlers.protocol_foobar`` is provided by the user. Then
- ``protocol_handler_packages.append("my_handlers")`` would extend the search
- path so that ``serial_for_url("foobar://"))`` would work.
- """
- # check remove extra parameter to not confuse the Serial class
- do_open = 'do_not_open' not in kwargs or not kwargs['do_not_open']
- if 'do_not_open' in kwargs: del kwargs['do_not_open']
- # the default is to use the native version
- klass = Serial # 'native' implementation
- # check port type and get class
- try:
- url_nocase = url.lower()
- except AttributeError:
- # it's not a string, use default
- pass
- else:
- if '://' in url_nocase:
- protocol = url_nocase.split('://', 1)[0]
- for package_name in protocol_handler_packages:
- module_name = '%s.protocol_%s' % (package_name, protocol,)
- try:
- handler_module = __import__(module_name)
- except ImportError:
- pass
- else:
- klass = sys.modules[module_name].Serial
- break
- else:
- raise ValueError('invalid URL, protocol %r not known' % (protocol,))
- else:
- klass = Serial # 'native' implementation
- # instantiate and open when desired
- instance = klass(None, *args, **kwargs)
- instance.port = url
- if do_open:
- instance.open()
- return instance
diff --git a/scripts/serial/rfc2217.py b/scripts/serial/rfc2217.py
deleted file mode 100644
index b65edd55c8..0000000000
--- a/scripts/serial/rfc2217.py
+++ /dev/null
@@ -1,1327 +0,0 @@
-#! python
-#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
-# This module implements a RFC2217 compatible client. RF2217 descibes a
-# protocol to access serial ports over TCP/IP and allows setting the baud rate,
-# modem control lines etc.
-#
-# (C) 2001-2013 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-# TODO:
-# - setting control line -> answer is not checked (had problems with one of the
-# severs). consider implementing a compatibility mode flag to make check
-# conditional
-# - write timeout not implemented at all
-
-##############################################################################
-# observations and issues with servers
-#=============================================================================
-# sredird V2.2.1
-# - http://www.ibiblio.org/pub/Linux/system/serial/ sredird-2.2.2.tar.gz
-# - does not acknowledge SET_CONTROL (RTS/DTR) correctly, always responding
-# [105 1] instead of the actual value.
-# - SET_BAUDRATE answer contains 4 extra null bytes -> probably for larger
-# numbers than 2**32?
-# - To get the signature [COM_PORT_OPTION 0] has to be sent.
-# - run a server: while true; do nc -l -p 7000 -c "sredird debug /dev/ttyUSB0 /var/lock/sredir"; done
-#=============================================================================
-# telnetcpcd (untested)
-# - http://ftp.wayne.edu/kermit/sredird/telnetcpcd-1.09.tar.gz
-# - To get the signature [COM_PORT_OPTION] w/o data has to be sent.
-#=============================================================================
-# ser2net
-# - does not negotiate BINARY or COM_PORT_OPTION for his side but at least
-# acknowledges that the client activates these options
-# - The configuration may be that the server prints a banner. As this client
-# implementation does a flushInput on connect, this banner is hidden from
-# the user application.
-# - NOTIFY_MODEMSTATE: the poll interval of the server seems to be one
-# second.
-# - To get the signature [COM_PORT_OPTION 0] has to be sent.
-# - run a server: run ser2net daemon, in /etc/ser2net.conf:
-# 2000:telnet:0:/dev/ttyS0:9600 remctl banner
-##############################################################################
-
-# How to identify ports? pySerial might want to support other protocols in the
-# future, so lets use an URL scheme.
-# for RFC2217 compliant servers we will use this:
-# rfc2217://<host>:<port>[/option[/option...]]
-#
-# options:
-# - "debug" print diagnostic messages
-# - "ign_set_control": do not look at the answers to SET_CONTROL
-# - "poll_modem": issue NOTIFY_MODEMSTATE requests when CTS/DTR/RI/CD is read.
-# Without this option it expects that the server sends notifications
-# automatically on change (which most servers do and is according to the
-# RFC).
-# the order of the options is not relevant
-
-from serial.serialutil import *
-import time
-import struct
-import socket
-import threading
-import Queue
-import logging
-
-# port string is expected to be something like this:
-# rfc2217://host:port
-# host may be an IP or including domain, whatever.
-# port is 0...65535
-
-# map log level names to constants. used in fromURL()
-LOGGER_LEVELS = {
- 'debug': logging.DEBUG,
- 'info': logging.INFO,
- 'warning': logging.WARNING,
- 'error': logging.ERROR,
- }
-
-
-# telnet protocol characters
-IAC = to_bytes([255]) # Interpret As Command
-DONT = to_bytes([254])
-DO = to_bytes([253])
-WONT = to_bytes([252])
-WILL = to_bytes([251])
-IAC_DOUBLED = to_bytes([IAC, IAC])
-
-SE = to_bytes([240]) # Subnegotiation End
-NOP = to_bytes([241]) # No Operation
-DM = to_bytes([242]) # Data Mark
-BRK = to_bytes([243]) # Break
-IP = to_bytes([244]) # Interrupt process
-AO = to_bytes([245]) # Abort output
-AYT = to_bytes([246]) # Are You There
-EC = to_bytes([247]) # Erase Character
-EL = to_bytes([248]) # Erase Line
-GA = to_bytes([249]) # Go Ahead
-SB = to_bytes([250]) # Subnegotiation Begin
-
-# selected telnet options
-BINARY = to_bytes([0]) # 8-bit data path
-ECHO = to_bytes([1]) # echo
-SGA = to_bytes([3]) # suppress go ahead
-
-# RFC2217
-COM_PORT_OPTION = to_bytes([44])
-
-# Client to Access Server
-SET_BAUDRATE = to_bytes([1])
-SET_DATASIZE = to_bytes([2])
-SET_PARITY = to_bytes([3])
-SET_STOPSIZE = to_bytes([4])
-SET_CONTROL = to_bytes([5])
-NOTIFY_LINESTATE = to_bytes([6])
-NOTIFY_MODEMSTATE = to_bytes([7])
-FLOWCONTROL_SUSPEND = to_bytes([8])
-FLOWCONTROL_RESUME = to_bytes([9])
-SET_LINESTATE_MASK = to_bytes([10])
-SET_MODEMSTATE_MASK = to_bytes([11])
-PURGE_DATA = to_bytes([12])
-
-SERVER_SET_BAUDRATE = to_bytes([101])
-SERVER_SET_DATASIZE = to_bytes([102])
-SERVER_SET_PARITY = to_bytes([103])
-SERVER_SET_STOPSIZE = to_bytes([104])
-SERVER_SET_CONTROL = to_bytes([105])
-SERVER_NOTIFY_LINESTATE = to_bytes([106])
-SERVER_NOTIFY_MODEMSTATE = to_bytes([107])
-SERVER_FLOWCONTROL_SUSPEND = to_bytes([108])
-SERVER_FLOWCONTROL_RESUME = to_bytes([109])
-SERVER_SET_LINESTATE_MASK = to_bytes([110])
-SERVER_SET_MODEMSTATE_MASK = to_bytes([111])
-SERVER_PURGE_DATA = to_bytes([112])
-
-RFC2217_ANSWER_MAP = {
- SET_BAUDRATE: SERVER_SET_BAUDRATE,
- SET_DATASIZE: SERVER_SET_DATASIZE,
- SET_PARITY: SERVER_SET_PARITY,
- SET_STOPSIZE: SERVER_SET_STOPSIZE,
- SET_CONTROL: SERVER_SET_CONTROL,
- NOTIFY_LINESTATE: SERVER_NOTIFY_LINESTATE,
- NOTIFY_MODEMSTATE: SERVER_NOTIFY_MODEMSTATE,
- FLOWCONTROL_SUSPEND: SERVER_FLOWCONTROL_SUSPEND,
- FLOWCONTROL_RESUME: SERVER_FLOWCONTROL_RESUME,
- SET_LINESTATE_MASK: SERVER_SET_LINESTATE_MASK,
- SET_MODEMSTATE_MASK: SERVER_SET_MODEMSTATE_MASK,
- PURGE_DATA: SERVER_PURGE_DATA,
-}
-
-SET_CONTROL_REQ_FLOW_SETTING = to_bytes([0]) # Request Com Port Flow Control Setting (outbound/both)
-SET_CONTROL_USE_NO_FLOW_CONTROL = to_bytes([1]) # Use No Flow Control (outbound/both)
-SET_CONTROL_USE_SW_FLOW_CONTROL = to_bytes([2]) # Use XON/XOFF Flow Control (outbound/both)
-SET_CONTROL_USE_HW_FLOW_CONTROL = to_bytes([3]) # Use HARDWARE Flow Control (outbound/both)
-SET_CONTROL_REQ_BREAK_STATE = to_bytes([4]) # Request BREAK State
-SET_CONTROL_BREAK_ON = to_bytes([5]) # Set BREAK State ON
-SET_CONTROL_BREAK_OFF = to_bytes([6]) # Set BREAK State OFF
-SET_CONTROL_REQ_DTR = to_bytes([7]) # Request DTR Signal State
-SET_CONTROL_DTR_ON = to_bytes([8]) # Set DTR Signal State ON
-SET_CONTROL_DTR_OFF = to_bytes([9]) # Set DTR Signal State OFF
-SET_CONTROL_REQ_RTS = to_bytes([10]) # Request RTS Signal State
-SET_CONTROL_RTS_ON = to_bytes([11]) # Set RTS Signal State ON
-SET_CONTROL_RTS_OFF = to_bytes([12]) # Set RTS Signal State OFF
-SET_CONTROL_REQ_FLOW_SETTING_IN = to_bytes([13]) # Request Com Port Flow Control Setting (inbound)
-SET_CONTROL_USE_NO_FLOW_CONTROL_IN = to_bytes([14]) # Use No Flow Control (inbound)
-SET_CONTROL_USE_SW_FLOW_CONTOL_IN = to_bytes([15]) # Use XON/XOFF Flow Control (inbound)
-SET_CONTROL_USE_HW_FLOW_CONTOL_IN = to_bytes([16]) # Use HARDWARE Flow Control (inbound)
-SET_CONTROL_USE_DCD_FLOW_CONTROL = to_bytes([17]) # Use DCD Flow Control (outbound/both)
-SET_CONTROL_USE_DTR_FLOW_CONTROL = to_bytes([18]) # Use DTR Flow Control (inbound)
-SET_CONTROL_USE_DSR_FLOW_CONTROL = to_bytes([19]) # Use DSR Flow Control (outbound/both)
-
-LINESTATE_MASK_TIMEOUT = 128 # Time-out Error
-LINESTATE_MASK_SHIFTREG_EMPTY = 64 # Transfer Shift Register Empty
-LINESTATE_MASK_TRANSREG_EMPTY = 32 # Transfer Holding Register Empty
-LINESTATE_MASK_BREAK_DETECT = 16 # Break-detect Error
-LINESTATE_MASK_FRAMING_ERROR = 8 # Framing Error
-LINESTATE_MASK_PARTIY_ERROR = 4 # Parity Error
-LINESTATE_MASK_OVERRUN_ERROR = 2 # Overrun Error
-LINESTATE_MASK_DATA_READY = 1 # Data Ready
-
-MODEMSTATE_MASK_CD = 128 # Receive Line Signal Detect (also known as Carrier Detect)
-MODEMSTATE_MASK_RI = 64 # Ring Indicator
-MODEMSTATE_MASK_DSR = 32 # Data-Set-Ready Signal State
-MODEMSTATE_MASK_CTS = 16 # Clear-To-Send Signal State
-MODEMSTATE_MASK_CD_CHANGE = 8 # Delta Receive Line Signal Detect
-MODEMSTATE_MASK_RI_CHANGE = 4 # Trailing-edge Ring Detector
-MODEMSTATE_MASK_DSR_CHANGE = 2 # Delta Data-Set-Ready
-MODEMSTATE_MASK_CTS_CHANGE = 1 # Delta Clear-To-Send
-
-PURGE_RECEIVE_BUFFER = to_bytes([1]) # Purge access server receive data buffer
-PURGE_TRANSMIT_BUFFER = to_bytes([2]) # Purge access server transmit data buffer
-PURGE_BOTH_BUFFERS = to_bytes([3]) # Purge both the access server receive data buffer and the access server transmit data buffer
-
-
-RFC2217_PARITY_MAP = {
- PARITY_NONE: 1,
- PARITY_ODD: 2,
- PARITY_EVEN: 3,
- PARITY_MARK: 4,
- PARITY_SPACE: 5,
-}
-RFC2217_REVERSE_PARITY_MAP = dict((v,k) for k,v in RFC2217_PARITY_MAP.items())
-
-RFC2217_STOPBIT_MAP = {
- STOPBITS_ONE: 1,
- STOPBITS_ONE_POINT_FIVE: 3,
- STOPBITS_TWO: 2,
-}
-RFC2217_REVERSE_STOPBIT_MAP = dict((v,k) for k,v in RFC2217_STOPBIT_MAP.items())
-
-# Telnet filter states
-M_NORMAL = 0
-M_IAC_SEEN = 1
-M_NEGOTIATE = 2
-
-# TelnetOption and TelnetSubnegotiation states
-REQUESTED = 'REQUESTED'
-ACTIVE = 'ACTIVE'
-INACTIVE = 'INACTIVE'
-REALLY_INACTIVE = 'REALLY_INACTIVE'
-
-class TelnetOption(object):
- """Manage a single telnet option, keeps track of DO/DONT WILL/WONT."""
-
- def __init__(self, connection, name, option, send_yes, send_no, ack_yes, ack_no, initial_state, activation_callback=None):
- """\
- Initialize option.
- :param connection: connection used to transmit answers
- :param name: a readable name for debug outputs
- :param send_yes: what to send when option is to be enabled.
- :param send_no: what to send when option is to be disabled.
- :param ack_yes: what to expect when remote agrees on option.
- :param ack_no: what to expect when remote disagrees on option.
- :param initial_state: options initialized with REQUESTED are tried to
- be enabled on startup. use INACTIVE for all others.
- """
- self.connection = connection
- self.name = name
- self.option = option
- self.send_yes = send_yes
- self.send_no = send_no
- self.ack_yes = ack_yes
- self.ack_no = ack_no
- self.state = initial_state
- self.active = False
- self.activation_callback = activation_callback
-
- def __repr__(self):
- """String for debug outputs"""
- return "%s:%s(%s)" % (self.name, self.active, self.state)
-
- def process_incoming(self, command):
- """\
- A DO/DONT/WILL/WONT was received for this option, update state and
- answer when needed.
- """
- if command == self.ack_yes:
- if self.state is REQUESTED:
- self.state = ACTIVE
- self.active = True
- if self.activation_callback is not None:
- self.activation_callback()
- elif self.state is ACTIVE:
- pass
- elif self.state is INACTIVE:
- self.state = ACTIVE
- self.connection.telnetSendOption(self.send_yes, self.option)
- self.active = True
- if self.activation_callback is not None:
- self.activation_callback()
- elif self.state is REALLY_INACTIVE:
- self.connection.telnetSendOption(self.send_no, self.option)
- else:
- raise ValueError('option in illegal state %r' % self)
- elif command == self.ack_no:
- if self.state is REQUESTED:
- self.state = INACTIVE
- self.active = False
- elif self.state is ACTIVE:
- self.state = INACTIVE
- self.connection.telnetSendOption(self.send_no, self.option)
- self.active = False
- elif self.state is INACTIVE:
- pass
- elif self.state is REALLY_INACTIVE:
- pass
- else:
- raise ValueError('option in illegal state %r' % self)
-
-
-class TelnetSubnegotiation(object):
- """\
- A object to handle subnegotiation of options. In this case actually
- sub-sub options for RFC 2217. It is used to track com port options.
- """
-
- def __init__(self, connection, name, option, ack_option=None):
- if ack_option is None: ack_option = option
- self.connection = connection
- self.name = name
- self.option = option
- self.value = None
- self.ack_option = ack_option
- self.state = INACTIVE
-
- def __repr__(self):
- """String for debug outputs."""
- return "%s:%s" % (self.name, self.state)
-
- def set(self, value):
- """\
- Request a change of the value. a request is sent to the server. if
- the client needs to know if the change is performed he has to check the
- state of this object.
- """
- self.value = value
- self.state = REQUESTED
- self.connection.rfc2217SendSubnegotiation(self.option, self.value)
- if self.connection.logger:
- self.connection.logger.debug("SB Requesting %s -> %r" % (self.name, self.value))
-
- def isReady(self):
- """\
- Check if answer from server has been received. when server rejects
- the change, raise a ValueError.
- """
- if self.state == REALLY_INACTIVE:
- raise ValueError("remote rejected value for option %r" % (self.name))
- return self.state == ACTIVE
- # add property to have a similar interface as TelnetOption
- active = property(isReady)
-
- def wait(self, timeout=3):
- """\
- Wait until the subnegotiation has been acknowledged or timeout. It
- can also throw a value error when the answer from the server does not
- match the value sent.
- """
- timeout_time = time.time() + timeout
- while time.time() < timeout_time:
- if self.isReady():
- break
- time.sleep(0.001) # prevent 100% CPU load
- else:
- raise SerialException("timeout while waiting for option %r" % (self.name))
-
- def checkAnswer(self, suboption):
- """\
- Check an incoming subnegotiation block. The parameter already has
- cut off the header like sub option number and com port option value.
- """
- if self.value == suboption[:len(self.value)]:
- self.state = ACTIVE
- else:
- # error propagation done in isReady
- self.state = REALLY_INACTIVE
- if self.connection.logger:
- self.connection.logger.debug("SB Answer %s -> %r -> %s" % (self.name, suboption, self.state))
-
-
-class RFC2217Serial(SerialBase):
- """Serial port implementation for RFC 2217 remote serial ports."""
-
- BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
- 9600, 19200, 38400, 57600, 115200)
-
- def open(self):
- """\
- Open port with current settings. This may throw a SerialException
- if the port cannot be opened.
- """
- self.logger = None
- self._ignore_set_control_answer = False
- self._poll_modem_state = False
- self._network_timeout = 3
- if self._port is None:
- raise SerialException("Port must be configured before it can be used.")
- if self._isOpen:
- raise SerialException("Port is already open.")
- try:
- self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- self._socket.connect(self.fromURL(self.portstr))
- self._socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
- except Exception, msg:
- self._socket = None
- raise SerialException("Could not open port %s: %s" % (self.portstr, msg))
-
- self._socket.settimeout(5) # XXX good value?
-
- # use a thread save queue as buffer. it also simplifies implementing
- # the read timeout
- self._read_buffer = Queue.Queue()
- # to ensure that user writes does not interfere with internal
- # telnet/rfc2217 options establish a lock
- self._write_lock = threading.Lock()
- # name the following separately so that, below, a check can be easily done
- mandadory_options = [
- TelnetOption(self, 'we-BINARY', BINARY, WILL, WONT, DO, DONT, INACTIVE),
- TelnetOption(self, 'we-RFC2217', COM_PORT_OPTION, WILL, WONT, DO, DONT, REQUESTED),
- ]
- # all supported telnet options
- self._telnet_options = [
- TelnetOption(self, 'ECHO', ECHO, DO, DONT, WILL, WONT, REQUESTED),
- TelnetOption(self, 'we-SGA', SGA, WILL, WONT, DO, DONT, REQUESTED),
- TelnetOption(self, 'they-SGA', SGA, DO, DONT, WILL, WONT, REQUESTED),
- TelnetOption(self, 'they-BINARY', BINARY, DO, DONT, WILL, WONT, INACTIVE),
- TelnetOption(self, 'they-RFC2217', COM_PORT_OPTION, DO, DONT, WILL, WONT, REQUESTED),
- ] + mandadory_options
- # RFC 2217 specific states
- # COM port settings
- self._rfc2217_port_settings = {
- 'baudrate': TelnetSubnegotiation(self, 'baudrate', SET_BAUDRATE, SERVER_SET_BAUDRATE),
- 'datasize': TelnetSubnegotiation(self, 'datasize', SET_DATASIZE, SERVER_SET_DATASIZE),
- 'parity': TelnetSubnegotiation(self, 'parity', SET_PARITY, SERVER_SET_PARITY),
- 'stopsize': TelnetSubnegotiation(self, 'stopsize', SET_STOPSIZE, SERVER_SET_STOPSIZE),
- }
- # There are more subnegotiation objects, combine all in one dictionary
- # for easy access
- self._rfc2217_options = {
- 'purge': TelnetSubnegotiation(self, 'purge', PURGE_DATA, SERVER_PURGE_DATA),
- 'control': TelnetSubnegotiation(self, 'control', SET_CONTROL, SERVER_SET_CONTROL),
- }
- self._rfc2217_options.update(self._rfc2217_port_settings)
- # cache for line and modem states that the server sends to us
- self._linestate = 0
- self._modemstate = None
- self._modemstate_expires = 0
- # RFC 2217 flow control between server and client
- self._remote_suspend_flow = False
-
- self._thread = threading.Thread(target=self._telnetReadLoop)
- self._thread.setDaemon(True)
- self._thread.setName('pySerial RFC 2217 reader thread for %s' % (self._port,))
- self._thread.start()
-
- # negotiate Telnet/RFC 2217 -> send initial requests
- for option in self._telnet_options:
- if option.state is REQUESTED:
- self.telnetSendOption(option.send_yes, option.option)
- # now wait until important options are negotiated
- timeout_time = time.time() + self._network_timeout
- while time.time() < timeout_time:
- if sum(o.active for o in mandadory_options) == sum(o.state != INACTIVE for o in mandadory_options):
- break
- time.sleep(0.001) # prevent 100% CPU load
- else:
- raise SerialException("Remote does not seem to support RFC2217 or BINARY mode %r" % mandadory_options)
- if self.logger:
- self.logger.info("Negotiated options: %s" % self._telnet_options)
-
- # fine, go on, set RFC 2271 specific things
- self._reconfigurePort()
- # all things set up get, now a clean start
- self._isOpen = True
- if not self._rtscts:
- self.setRTS(True)
- self.setDTR(True)
- self.flushInput()
- self.flushOutput()
-
- def _reconfigurePort(self):
- """Set communication parameters on opened port."""
- if self._socket is None:
- raise SerialException("Can only operate on open ports")
-
- # if self._timeout != 0 and self._interCharTimeout is not None:
- # XXX
-
- if self._writeTimeout is not None:
- raise NotImplementedError('writeTimeout is currently not supported')
- # XXX
-
- # Setup the connection
- # to get good performance, all parameter changes are sent first...
- if not isinstance(self._baudrate, (int, long)) or not 0 < self._baudrate < 2**32:
- raise ValueError("invalid baudrate: %r" % (self._baudrate))
- self._rfc2217_port_settings['baudrate'].set(struct.pack('!I', self._baudrate))
- self._rfc2217_port_settings['datasize'].set(struct.pack('!B', self._bytesize))
- self._rfc2217_port_settings['parity'].set(struct.pack('!B', RFC2217_PARITY_MAP[self._parity]))
- self._rfc2217_port_settings['stopsize'].set(struct.pack('!B', RFC2217_STOPBIT_MAP[self._stopbits]))
-
- # and now wait until parameters are active
- items = self._rfc2217_port_settings.values()
- if self.logger:
- self.logger.debug("Negotiating settings: %s" % (items,))
- timeout_time = time.time() + self._network_timeout
- while time.time() < timeout_time:
- if sum(o.active for o in items) == len(items):
- break
- time.sleep(0.001) # prevent 100% CPU load
- else:
- raise SerialException("Remote does not accept parameter change (RFC2217): %r" % items)
- if self.logger:
- self.logger.info("Negotiated settings: %s" % (items,))
-
- if self._rtscts and self._xonxoff:
- raise ValueError('xonxoff and rtscts together are not supported')
- elif self._rtscts:
- self.rfc2217SetControl(SET_CONTROL_USE_HW_FLOW_CONTROL)
- elif self._xonxoff:
- self.rfc2217SetControl(SET_CONTROL_USE_SW_FLOW_CONTROL)
- else:
- self.rfc2217SetControl(SET_CONTROL_USE_NO_FLOW_CONTROL)
-
- def close(self):
- """Close port"""
- if self._isOpen:
- if self._socket:
- try:
- self._socket.shutdown(socket.SHUT_RDWR)
- self._socket.close()
- except:
- # ignore errors.
- pass
- self._socket = None
- if self._thread:
- self._thread.join()
- self._isOpen = False
- # in case of quick reconnects, give the server some time
- time.sleep(0.3)
-
- def makeDeviceName(self, port):
- raise SerialException("there is no sensible way to turn numbers into URLs")
-
- def fromURL(self, url):
- """extract host and port from an URL string"""
- if url.lower().startswith("rfc2217://"): url = url[10:]
- try:
- # is there a "path" (our options)?
- if '/' in url:
- # cut away options
- url, options = url.split('/', 1)
- # process options now, directly altering self
- for option in options.split('/'):
- if '=' in option:
- option, value = option.split('=', 1)
- else:
- value = None
- if option == 'logging':
- logging.basicConfig() # XXX is that good to call it here?
- self.logger = logging.getLogger('pySerial.rfc2217')
- self.logger.setLevel(LOGGER_LEVELS[value])
- self.logger.debug('enabled logging')
- elif option == 'ign_set_control':
- self._ignore_set_control_answer = True
- elif option == 'poll_modem':
- self._poll_modem_state = True
- elif option == 'timeout':
- self._network_timeout = float(value)
- else:
- raise ValueError('unknown option: %r' % (option,))
- # get host and port
- host, port = url.split(':', 1) # may raise ValueError because of unpacking
- port = int(port) # and this if it's not a number
- if not 0 <= port < 65536: raise ValueError("port not in range 0...65535")
- except ValueError, e:
- raise SerialException('expected a string in the form "[rfc2217://]<host>:<port>[/option[/option...]]": %s' % e)
- return (host, port)
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def inWaiting(self):
- """Return the number of characters currently in the input buffer."""
- if not self._isOpen: raise portNotOpenError
- return self._read_buffer.qsize()
-
- def read(self, size=1):
- """\
- Read size bytes from the serial port. If a timeout is set it may
- return less characters as requested. With no timeout it will block
- until the requested number of bytes is read.
- """
- if not self._isOpen: raise portNotOpenError
- data = bytearray()
- try:
- while len(data) < size:
- if self._thread is None:
- raise SerialException('connection failed (reader thread died)')
- data.append(self._read_buffer.get(True, self._timeout))
- except Queue.Empty: # -> timeout
- pass
- return bytes(data)
-
- def write(self, data):
- """\
- Output the given string over the serial port. Can block if the
- connection is blocked. May raise SerialException if the connection is
- closed.
- """
- if not self._isOpen: raise portNotOpenError
- self._write_lock.acquire()
- try:
- try:
- self._socket.sendall(to_bytes(data).replace(IAC, IAC_DOUBLED))
- except socket.error, e:
- raise SerialException("connection failed (socket error): %s" % e) # XXX what exception if socket connection fails
- finally:
- self._write_lock.release()
- return len(data)
-
- def flushInput(self):
- """Clear input buffer, discarding all that is in the buffer."""
- if not self._isOpen: raise portNotOpenError
- self.rfc2217SendPurge(PURGE_RECEIVE_BUFFER)
- # empty read buffer
- while self._read_buffer.qsize():
- self._read_buffer.get(False)
-
- def flushOutput(self):
- """\
- Clear output buffer, aborting the current output and
- discarding all that is in the buffer.
- """
- if not self._isOpen: raise portNotOpenError
- self.rfc2217SendPurge(PURGE_TRANSMIT_BUFFER)
-
- def sendBreak(self, duration=0.25):
- """\
- Send break condition. Timed, returns to idle state after given
- duration.
- """
- if not self._isOpen: raise portNotOpenError
- self.setBreak(True)
- time.sleep(duration)
- self.setBreak(False)
-
- def setBreak(self, level=True):
- """\
- Set break: Controls TXD. When active, to transmitting is
- possible.
- """
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('set BREAK to %s' % ('inactive', 'active')[bool(level)])
- if level:
- self.rfc2217SetControl(SET_CONTROL_BREAK_ON)
- else:
- self.rfc2217SetControl(SET_CONTROL_BREAK_OFF)
-
- def setRTS(self, level=True):
- """Set terminal status line: Request To Send."""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('set RTS to %s' % ('inactive', 'active')[bool(level)])
- if level:
- self.rfc2217SetControl(SET_CONTROL_RTS_ON)
- else:
- self.rfc2217SetControl(SET_CONTROL_RTS_OFF)
-
- def setDTR(self, level=True):
- """Set terminal status line: Data Terminal Ready."""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('set DTR to %s' % ('inactive', 'active')[bool(level)])
- if level:
- self.rfc2217SetControl(SET_CONTROL_DTR_ON)
- else:
- self.rfc2217SetControl(SET_CONTROL_DTR_OFF)
-
- def getCTS(self):
- """Read terminal status line: Clear To Send."""
- if not self._isOpen: raise portNotOpenError
- return bool(self.getModemState() & MODEMSTATE_MASK_CTS)
-
- def getDSR(self):
- """Read terminal status line: Data Set Ready."""
- if not self._isOpen: raise portNotOpenError
- return bool(self.getModemState() & MODEMSTATE_MASK_DSR)
-
- def getRI(self):
- """Read terminal status line: Ring Indicator."""
- if not self._isOpen: raise portNotOpenError
- return bool(self.getModemState() & MODEMSTATE_MASK_RI)
-
- def getCD(self):
- """Read terminal status line: Carrier Detect."""
- if not self._isOpen: raise portNotOpenError
- return bool(self.getModemState() & MODEMSTATE_MASK_CD)
-
- # - - - platform specific - - -
- # None so far
-
- # - - - RFC2217 specific - - -
-
- def _telnetReadLoop(self):
- """Read loop for the socket."""
- mode = M_NORMAL
- suboption = None
- try:
- while self._socket is not None:
- try:
- data = self._socket.recv(1024)
- except socket.timeout:
- # just need to get out of recv form time to time to check if
- # still alive
- continue
- except socket.error, e:
- # connection fails -> terminate loop
- if self.logger:
- self.logger.debug("socket error in reader thread: %s" % (e,))
- break
- if not data: break # lost connection
- for byte in data:
- if mode == M_NORMAL:
- # interpret as command or as data
- if byte == IAC:
- mode = M_IAC_SEEN
- else:
- # store data in read buffer or sub option buffer
- # depending on state
- if suboption is not None:
- suboption.append(byte)
- else:
- self._read_buffer.put(byte)
- elif mode == M_IAC_SEEN:
- if byte == IAC:
- # interpret as command doubled -> insert character
- # itself
- if suboption is not None:
- suboption.append(IAC)
- else:
- self._read_buffer.put(IAC)
- mode = M_NORMAL
- elif byte == SB:
- # sub option start
- suboption = bytearray()
- mode = M_NORMAL
- elif byte == SE:
- # sub option end -> process it now
- self._telnetProcessSubnegotiation(bytes(suboption))
- suboption = None
- mode = M_NORMAL
- elif byte in (DO, DONT, WILL, WONT):
- # negotiation
- telnet_command = byte
- mode = M_NEGOTIATE
- else:
- # other telnet commands
- self._telnetProcessCommand(byte)
- mode = M_NORMAL
- elif mode == M_NEGOTIATE: # DO, DONT, WILL, WONT was received, option now following
- self._telnetNegotiateOption(telnet_command, byte)
- mode = M_NORMAL
- finally:
- self._thread = None
- if self.logger:
- self.logger.debug("read thread terminated")
-
- # - incoming telnet commands and options
-
- def _telnetProcessCommand(self, command):
- """Process commands other than DO, DONT, WILL, WONT."""
- # Currently none. RFC2217 only uses negotiation and subnegotiation.
- if self.logger:
- self.logger.warning("ignoring Telnet command: %r" % (command,))
-
- def _telnetNegotiateOption(self, command, option):
- """Process incoming DO, DONT, WILL, WONT."""
- # check our registered telnet options and forward command to them
- # they know themselves if they have to answer or not
- known = False
- for item in self._telnet_options:
- # can have more than one match! as some options are duplicated for
- # 'us' and 'them'
- if item.option == option:
- item.process_incoming(command)
- known = True
- if not known:
- # handle unknown options
- # only answer to positive requests and deny them
- if command == WILL or command == DO:
- self.telnetSendOption((command == WILL and DONT or WONT), option)
- if self.logger:
- self.logger.warning("rejected Telnet option: %r" % (option,))
-
-
- def _telnetProcessSubnegotiation(self, suboption):
- """Process subnegotiation, the data between IAC SB and IAC SE."""
- if suboption[0:1] == COM_PORT_OPTION:
- if suboption[1:2] == SERVER_NOTIFY_LINESTATE and len(suboption) >= 3:
- self._linestate = ord(suboption[2:3]) # ensure it is a number
- if self.logger:
- self.logger.info("NOTIFY_LINESTATE: %s" % self._linestate)
- elif suboption[1:2] == SERVER_NOTIFY_MODEMSTATE and len(suboption) >= 3:
- self._modemstate = ord(suboption[2:3]) # ensure it is a number
- if self.logger:
- self.logger.info("NOTIFY_MODEMSTATE: %s" % self._modemstate)
- # update time when we think that a poll would make sense
- self._modemstate_expires = time.time() + 0.3
- elif suboption[1:2] == FLOWCONTROL_SUSPEND:
- self._remote_suspend_flow = True
- elif suboption[1:2] == FLOWCONTROL_RESUME:
- self._remote_suspend_flow = False
- else:
- for item in self._rfc2217_options.values():
- if item.ack_option == suboption[1:2]:
- #~ print "processing COM_PORT_OPTION: %r" % list(suboption[1:])
- item.checkAnswer(bytes(suboption[2:]))
- break
- else:
- if self.logger:
- self.logger.warning("ignoring COM_PORT_OPTION: %r" % (suboption,))
- else:
- if self.logger:
- self.logger.warning("ignoring subnegotiation: %r" % (suboption,))
-
- # - outgoing telnet commands and options
-
- def _internal_raw_write(self, data):
- """internal socket write with no data escaping. used to send telnet stuff."""
- self._write_lock.acquire()
- try:
- self._socket.sendall(data)
- finally:
- self._write_lock.release()
-
- def telnetSendOption(self, action, option):
- """Send DO, DONT, WILL, WONT."""
- self._internal_raw_write(to_bytes([IAC, action, option]))
-
- def rfc2217SendSubnegotiation(self, option, value=''):
- """Subnegotiation of RFC2217 parameters."""
- value = value.replace(IAC, IAC_DOUBLED)
- self._internal_raw_write(to_bytes([IAC, SB, COM_PORT_OPTION, option] + list(value) + [IAC, SE]))
-
- def rfc2217SendPurge(self, value):
- item = self._rfc2217_options['purge']
- item.set(value) # transmit desired purge type
- item.wait(self._network_timeout) # wait for acknowledge from the server
-
- def rfc2217SetControl(self, value):
- item = self._rfc2217_options['control']
- item.set(value) # transmit desired control type
- if self._ignore_set_control_answer:
- # answers are ignored when option is set. compatibility mode for
- # servers that answer, but not the expected one... (or no answer
- # at all) i.e. sredird
- time.sleep(0.1) # this helps getting the unit tests passed
- else:
- item.wait(self._network_timeout) # wait for acknowledge from the server
-
- def rfc2217FlowServerReady(self):
- """\
- check if server is ready to receive data. block for some time when
- not.
- """
- #~ if self._remote_suspend_flow:
- #~ wait---
-
- def getModemState(self):
- """\
- get last modem state (cached value. If value is "old", request a new
- one. This cache helps that we don't issue to many requests when e.g. all
- status lines, one after the other is queried by the user (getCTS, getDSR
- etc.)
- """
- # active modem state polling enabled? is the value fresh enough?
- if self._poll_modem_state and self._modemstate_expires < time.time():
- if self.logger:
- self.logger.debug('polling modem state')
- # when it is older, request an update
- self.rfc2217SendSubnegotiation(NOTIFY_MODEMSTATE)
- timeout_time = time.time() + self._network_timeout
- while time.time() < timeout_time:
- # when expiration time is updated, it means that there is a new
- # value
- if self._modemstate_expires > time.time():
- if self.logger:
- self.logger.warning('poll for modem state failed')
- break
- time.sleep(0.001) # prevent 100% CPU load
- # even when there is a timeout, do not generate an error just
- # return the last known value. this way we can support buggy
- # servers that do not respond to polls, but send automatic
- # updates.
- if self._modemstate is not None:
- if self.logger:
- self.logger.debug('using cached modem state')
- return self._modemstate
- else:
- # never received a notification from the server
- raise SerialException("remote sends no NOTIFY_MODEMSTATE")
-
-
-# assemble Serial class with the platform specific implementation and the base
-# for file-like behavior. for Python 2.6 and newer, that provide the new I/O
-# library, derive from io.RawIOBase
-try:
- import io
-except ImportError:
- # classic version with our own file-like emulation
- class Serial(RFC2217Serial, FileLike):
- pass
-else:
- # io library present
- class Serial(RFC2217Serial, io.RawIOBase):
- pass
-
-
-#############################################################################
-# The following is code that helps implementing an RFC 2217 server.
-
-class PortManager(object):
- """\
- This class manages the state of Telnet and RFC 2217. It needs a serial
- instance and a connection to work with. Connection is expected to implement
- a (thread safe) write function, that writes the string to the network.
- """
-
- def __init__(self, serial_port, connection, logger=None):
- self.serial = serial_port
- self.connection = connection
- self.logger = logger
- self._client_is_rfc2217 = False
-
- # filter state machine
- self.mode = M_NORMAL
- self.suboption = None
- self.telnet_command = None
-
- # states for modem/line control events
- self.modemstate_mask = 255
- self.last_modemstate = None
- self.linstate_mask = 0
-
- # all supported telnet options
- self._telnet_options = [
- TelnetOption(self, 'ECHO', ECHO, WILL, WONT, DO, DONT, REQUESTED),
- TelnetOption(self, 'we-SGA', SGA, WILL, WONT, DO, DONT, REQUESTED),
- TelnetOption(self, 'they-SGA', SGA, DO, DONT, WILL, WONT, INACTIVE),
- TelnetOption(self, 'we-BINARY', BINARY, WILL, WONT, DO, DONT, INACTIVE),
- TelnetOption(self, 'they-BINARY', BINARY, DO, DONT, WILL, WONT, REQUESTED),
- TelnetOption(self, 'we-RFC2217', COM_PORT_OPTION, WILL, WONT, DO, DONT, REQUESTED, self._client_ok),
- TelnetOption(self, 'they-RFC2217', COM_PORT_OPTION, DO, DONT, WILL, WONT, INACTIVE, self._client_ok),
- ]
-
- # negotiate Telnet/RFC2217 -> send initial requests
- if self.logger:
- self.logger.debug("requesting initial Telnet/RFC 2217 options")
- for option in self._telnet_options:
- if option.state is REQUESTED:
- self.telnetSendOption(option.send_yes, option.option)
- # issue 1st modem state notification
-
- def _client_ok(self):
- """\
- callback of telnet option. It gets called when option is activated.
- This one here is used to detect when the client agrees on RFC 2217. A
- flag is set so that other functions like check_modem_lines know if the
- client is OK.
- """
- # The callback is used for we and they so if one party agrees, we're
- # already happy. it seems not all servers do the negotiation correctly
- # and i guess there are incorrect clients too.. so be happy if client
- # answers one or the other positively.
- self._client_is_rfc2217 = True
- if self.logger:
- self.logger.info("client accepts RFC 2217")
- # this is to ensure that the client gets a notification, even if there
- # was no change
- self.check_modem_lines(force_notification=True)
-
- # - outgoing telnet commands and options
-
- def telnetSendOption(self, action, option):
- """Send DO, DONT, WILL, WONT."""
- self.connection.write(to_bytes([IAC, action, option]))
-
- def rfc2217SendSubnegotiation(self, option, value=''):
- """Subnegotiation of RFC 2217 parameters."""
- value = value.replace(IAC, IAC_DOUBLED)
- self.connection.write(to_bytes([IAC, SB, COM_PORT_OPTION, option] + list(value) + [IAC, SE]))
-
- # - check modem lines, needs to be called periodically from user to
- # establish polling
-
- def check_modem_lines(self, force_notification=False):
- modemstate = (
- (self.serial.getCTS() and MODEMSTATE_MASK_CTS) |
- (self.serial.getDSR() and MODEMSTATE_MASK_DSR) |
- (self.serial.getRI() and MODEMSTATE_MASK_RI) |
- (self.serial.getCD() and MODEMSTATE_MASK_CD)
- )
- # check what has changed
- deltas = modemstate ^ (self.last_modemstate or 0) # when last is None -> 0
- if deltas & MODEMSTATE_MASK_CTS:
- modemstate |= MODEMSTATE_MASK_CTS_CHANGE
- if deltas & MODEMSTATE_MASK_DSR:
- modemstate |= MODEMSTATE_MASK_DSR_CHANGE
- if deltas & MODEMSTATE_MASK_RI:
- modemstate |= MODEMSTATE_MASK_RI_CHANGE
- if deltas & MODEMSTATE_MASK_CD:
- modemstate |= MODEMSTATE_MASK_CD_CHANGE
- # if new state is different and the mask allows this change, send
- # notification. suppress notifications when client is not rfc2217
- if modemstate != self.last_modemstate or force_notification:
- if (self._client_is_rfc2217 and (modemstate & self.modemstate_mask)) or force_notification:
- self.rfc2217SendSubnegotiation(
- SERVER_NOTIFY_MODEMSTATE,
- to_bytes([modemstate & self.modemstate_mask])
- )
- if self.logger:
- self.logger.info("NOTIFY_MODEMSTATE: %s" % (modemstate,))
- # save last state, but forget about deltas.
- # otherwise it would also notify about changing deltas which is
- # probably not very useful
- self.last_modemstate = modemstate & 0xf0
-
- # - outgoing data escaping
-
- def escape(self, data):
- """\
- This generator function is for the user. All outgoing data has to be
- properly escaped, so that no IAC character in the data stream messes up
- the Telnet state machine in the server.
-
- socket.sendall(escape(data))
- """
- for byte in data:
- if byte == IAC:
- yield IAC
- yield IAC
- else:
- yield byte
-
- # - incoming data filter
-
- def filter(self, data):
- """\
- Handle a bunch of incoming bytes. This is a generator. It will yield
- all characters not of interest for Telnet/RFC 2217.
-
- The idea is that the reader thread pushes data from the socket through
- this filter:
-
- for byte in filter(socket.recv(1024)):
- # do things like CR/LF conversion/whatever
- # and write data to the serial port
- serial.write(byte)
-
- (socket error handling code left as exercise for the reader)
- """
- for byte in data:
- if self.mode == M_NORMAL:
- # interpret as command or as data
- if byte == IAC:
- self.mode = M_IAC_SEEN
- else:
- # store data in sub option buffer or pass it to our
- # consumer depending on state
- if self.suboption is not None:
- self.suboption.append(byte)
- else:
- yield byte
- elif self.mode == M_IAC_SEEN:
- if byte == IAC:
- # interpret as command doubled -> insert character
- # itself
- if self.suboption is not None:
- self.suboption.append(byte)
- else:
- yield byte
- self.mode = M_NORMAL
- elif byte == SB:
- # sub option start
- self.suboption = bytearray()
- self.mode = M_NORMAL
- elif byte == SE:
- # sub option end -> process it now
- self._telnetProcessSubnegotiation(bytes(self.suboption))
- self.suboption = None
- self.mode = M_NORMAL
- elif byte in (DO, DONT, WILL, WONT):
- # negotiation
- self.telnet_command = byte
- self.mode = M_NEGOTIATE
- else:
- # other telnet commands
- self._telnetProcessCommand(byte)
- self.mode = M_NORMAL
- elif self.mode == M_NEGOTIATE: # DO, DONT, WILL, WONT was received, option now following
- self._telnetNegotiateOption(self.telnet_command, byte)
- self.mode = M_NORMAL
-
- # - incoming telnet commands and options
-
- def _telnetProcessCommand(self, command):
- """Process commands other than DO, DONT, WILL, WONT."""
- # Currently none. RFC2217 only uses negotiation and subnegotiation.
- if self.logger:
- self.logger.warning("ignoring Telnet command: %r" % (command,))
-
- def _telnetNegotiateOption(self, command, option):
- """Process incoming DO, DONT, WILL, WONT."""
- # check our registered telnet options and forward command to them
- # they know themselves if they have to answer or not
- known = False
- for item in self._telnet_options:
- # can have more than one match! as some options are duplicated for
- # 'us' and 'them'
- if item.option == option:
- item.process_incoming(command)
- known = True
- if not known:
- # handle unknown options
- # only answer to positive requests and deny them
- if command == WILL or command == DO:
- self.telnetSendOption((command == WILL and DONT or WONT), option)
- if self.logger:
- self.logger.warning("rejected Telnet option: %r" % (option,))
-
-
- def _telnetProcessSubnegotiation(self, suboption):
- """Process subnegotiation, the data between IAC SB and IAC SE."""
- if suboption[0:1] == COM_PORT_OPTION:
- if self.logger:
- self.logger.debug('received COM_PORT_OPTION: %r' % (suboption,))
- if suboption[1:2] == SET_BAUDRATE:
- backup = self.serial.baudrate
- try:
- (baudrate,) = struct.unpack("!I", suboption[2:6])
- if baudrate != 0:
- self.serial.baudrate = baudrate
- except ValueError, e:
- if self.logger:
- self.logger.error("failed to set baud rate: %s" % (e,))
- self.serial.baudrate = backup
- else:
- if self.logger:
- self.logger.info("%s baud rate: %s" % (baudrate and 'set' or 'get', self.serial.baudrate))
- self.rfc2217SendSubnegotiation(SERVER_SET_BAUDRATE, struct.pack("!I", self.serial.baudrate))
- elif suboption[1:2] == SET_DATASIZE:
- backup = self.serial.bytesize
- try:
- (datasize,) = struct.unpack("!B", suboption[2:3])
- if datasize != 0:
- self.serial.bytesize = datasize
- except ValueError, e:
- if self.logger:
- self.logger.error("failed to set data size: %s" % (e,))
- self.serial.bytesize = backup
- else:
- if self.logger:
- self.logger.info("%s data size: %s" % (datasize and 'set' or 'get', self.serial.bytesize))
- self.rfc2217SendSubnegotiation(SERVER_SET_DATASIZE, struct.pack("!B", self.serial.bytesize))
- elif suboption[1:2] == SET_PARITY:
- backup = self.serial.parity
- try:
- parity = struct.unpack("!B", suboption[2:3])[0]
- if parity != 0:
- self.serial.parity = RFC2217_REVERSE_PARITY_MAP[parity]
- except ValueError, e:
- if self.logger:
- self.logger.error("failed to set parity: %s" % (e,))
- self.serial.parity = backup
- else:
- if self.logger:
- self.logger.info("%s parity: %s" % (parity and 'set' or 'get', self.serial.parity))
- self.rfc2217SendSubnegotiation(
- SERVER_SET_PARITY,
- struct.pack("!B", RFC2217_PARITY_MAP[self.serial.parity])
- )
- elif suboption[1:2] == SET_STOPSIZE:
- backup = self.serial.stopbits
- try:
- stopbits = struct.unpack("!B", suboption[2:3])[0]
- if stopbits != 0:
- self.serial.stopbits = RFC2217_REVERSE_STOPBIT_MAP[stopbits]
- except ValueError, e:
- if self.logger:
- self.logger.error("failed to set stop bits: %s" % (e,))
- self.serial.stopbits = backup
- else:
- if self.logger:
- self.logger.info("%s stop bits: %s" % (stopbits and 'set' or 'get', self.serial.stopbits))
- self.rfc2217SendSubnegotiation(
- SERVER_SET_STOPSIZE,
- struct.pack("!B", RFC2217_STOPBIT_MAP[self.serial.stopbits])
- )
- elif suboption[1:2] == SET_CONTROL:
- if suboption[2:3] == SET_CONTROL_REQ_FLOW_SETTING:
- if self.serial.xonxoff:
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_USE_SW_FLOW_CONTROL)
- elif self.serial.rtscts:
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_USE_HW_FLOW_CONTROL)
- else:
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_USE_NO_FLOW_CONTROL)
- elif suboption[2:3] == SET_CONTROL_USE_NO_FLOW_CONTROL:
- self.serial.xonxoff = False
- self.serial.rtscts = False
- if self.logger:
- self.logger.info("changed flow control to None")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_USE_NO_FLOW_CONTROL)
- elif suboption[2:3] == SET_CONTROL_USE_SW_FLOW_CONTROL:
- self.serial.xonxoff = True
- if self.logger:
- self.logger.info("changed flow control to XON/XOFF")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_USE_SW_FLOW_CONTROL)
- elif suboption[2:3] == SET_CONTROL_USE_HW_FLOW_CONTROL:
- self.serial.rtscts = True
- if self.logger:
- self.logger.info("changed flow control to RTS/CTS")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_USE_HW_FLOW_CONTROL)
- elif suboption[2:3] == SET_CONTROL_REQ_BREAK_STATE:
- if self.logger:
- self.logger.warning("requested break state - not implemented")
- pass # XXX needs cached value
- elif suboption[2:3] == SET_CONTROL_BREAK_ON:
- self.serial.setBreak(True)
- if self.logger:
- self.logger.info("changed BREAK to active")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_BREAK_ON)
- elif suboption[2:3] == SET_CONTROL_BREAK_OFF:
- self.serial.setBreak(False)
- if self.logger:
- self.logger.info("changed BREAK to inactive")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_BREAK_OFF)
- elif suboption[2:3] == SET_CONTROL_REQ_DTR:
- if self.logger:
- self.logger.warning("requested DTR state - not implemented")
- pass # XXX needs cached value
- elif suboption[2:3] == SET_CONTROL_DTR_ON:
- self.serial.setDTR(True)
- if self.logger:
- self.logger.info("changed DTR to active")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_DTR_ON)
- elif suboption[2:3] == SET_CONTROL_DTR_OFF:
- self.serial.setDTR(False)
- if self.logger:
- self.logger.info("changed DTR to inactive")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_DTR_OFF)
- elif suboption[2:3] == SET_CONTROL_REQ_RTS:
- if self.logger:
- self.logger.warning("requested RTS state - not implemented")
- pass # XXX needs cached value
- #~ self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_RTS_ON)
- elif suboption[2:3] == SET_CONTROL_RTS_ON:
- self.serial.setRTS(True)
- if self.logger:
- self.logger.info("changed RTS to active")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_RTS_ON)
- elif suboption[2:3] == SET_CONTROL_RTS_OFF:
- self.serial.setRTS(False)
- if self.logger:
- self.logger.info("changed RTS to inactive")
- self.rfc2217SendSubnegotiation(SERVER_SET_CONTROL, SET_CONTROL_RTS_OFF)
- #~ elif suboption[2:3] == SET_CONTROL_REQ_FLOW_SETTING_IN:
- #~ elif suboption[2:3] == SET_CONTROL_USE_NO_FLOW_CONTROL_IN:
- #~ elif suboption[2:3] == SET_CONTROL_USE_SW_FLOW_CONTOL_IN:
- #~ elif suboption[2:3] == SET_CONTROL_USE_HW_FLOW_CONTOL_IN:
- #~ elif suboption[2:3] == SET_CONTROL_USE_DCD_FLOW_CONTROL:
- #~ elif suboption[2:3] == SET_CONTROL_USE_DTR_FLOW_CONTROL:
- #~ elif suboption[2:3] == SET_CONTROL_USE_DSR_FLOW_CONTROL:
- elif suboption[1:2] == NOTIFY_LINESTATE:
- # client polls for current state
- self.rfc2217SendSubnegotiation(
- SERVER_NOTIFY_LINESTATE,
- to_bytes([0]) # sorry, nothing like that implemented
- )
- elif suboption[1:2] == NOTIFY_MODEMSTATE:
- if self.logger:
- self.logger.info("request for modem state")
- # client polls for current state
- self.check_modem_lines(force_notification=True)
- elif suboption[1:2] == FLOWCONTROL_SUSPEND:
- if self.logger:
- self.logger.info("suspend")
- self._remote_suspend_flow = True
- elif suboption[1:2] == FLOWCONTROL_RESUME:
- if self.logger:
- self.logger.info("resume")
- self._remote_suspend_flow = False
- elif suboption[1:2] == SET_LINESTATE_MASK:
- self.linstate_mask = ord(suboption[2:3]) # ensure it is a number
- if self.logger:
- self.logger.info("line state mask: 0x%02x" % (self.linstate_mask,))
- elif suboption[1:2] == SET_MODEMSTATE_MASK:
- self.modemstate_mask = ord(suboption[2:3]) # ensure it is a number
- if self.logger:
- self.logger.info("modem state mask: 0x%02x" % (self.modemstate_mask,))
- elif suboption[1:2] == PURGE_DATA:
- if suboption[2:3] == PURGE_RECEIVE_BUFFER:
- self.serial.flushInput()
- if self.logger:
- self.logger.info("purge in")
- self.rfc2217SendSubnegotiation(SERVER_PURGE_DATA, PURGE_RECEIVE_BUFFER)
- elif suboption[2:3] == PURGE_TRANSMIT_BUFFER:
- self.serial.flushOutput()
- if self.logger:
- self.logger.info("purge out")
- self.rfc2217SendSubnegotiation(SERVER_PURGE_DATA, PURGE_TRANSMIT_BUFFER)
- elif suboption[2:3] == PURGE_BOTH_BUFFERS:
- self.serial.flushInput()
- self.serial.flushOutput()
- if self.logger:
- self.logger.info("purge both")
- self.rfc2217SendSubnegotiation(SERVER_PURGE_DATA, PURGE_BOTH_BUFFERS)
- else:
- if self.logger:
- self.logger.error("undefined PURGE_DATA: %r" % list(suboption[2:]))
- else:
- if self.logger:
- self.logger.error("undefined COM_PORT_OPTION: %r" % list(suboption[1:]))
- else:
- if self.logger:
- self.logger.warning("unknown subnegotiation: %r" % (suboption,))
-
-
-# simple client test
-if __name__ == '__main__':
- import sys
- s = Serial('rfc2217://localhost:7000', 115200)
- sys.stdout.write('%s\n' % s)
-
- #~ s.baudrate = 1898
-
- sys.stdout.write("write...\n")
- s.write("hello\n")
- s.flush()
- sys.stdout.write("read: %s\n" % s.read(5))
-
- #~ s.baudrate = 19200
- #~ s.databits = 7
- s.close()
diff --git a/scripts/serial/serialcli.py b/scripts/serial/serialcli.py
deleted file mode 100644
index 9ab3876206..0000000000
--- a/scripts/serial/serialcli.py
+++ /dev/null
@@ -1,284 +0,0 @@
-#! python
-# Python Serial Port Extension for Win32, Linux, BSD, Jython and .NET/Mono
-# serial driver for .NET/Mono (IronPython), .NET >= 2
-# see __init__.py
-#
-# (C) 2008 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-import clr
-import System
-import System.IO.Ports
-from serial.serialutil import *
-
-
-def device(portnum):
- """Turn a port number into a device name"""
- return System.IO.Ports.SerialPort.GetPortNames()[portnum]
-
-
-# must invoke function with byte array, make a helper to convert strings
-# to byte arrays
-sab = System.Array[System.Byte]
-def as_byte_array(string):
- return sab([ord(x) for x in string]) # XXX will require adaption when run with a 3.x compatible IronPython
-
-class IronSerial(SerialBase):
- """Serial port implementation for .NET/Mono."""
-
- BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
- 9600, 19200, 38400, 57600, 115200)
-
- def open(self):
- """\
- Open port with current settings. This may throw a SerialException
- if the port cannot be opened.
- """
- if self._port is None:
- raise SerialException("Port must be configured before it can be used.")
- if self._isOpen:
- raise SerialException("Port is already open.")
- try:
- self._port_handle = System.IO.Ports.SerialPort(self.portstr)
- except Exception, msg:
- self._port_handle = None
- raise SerialException("could not open port %s: %s" % (self.portstr, msg))
-
- self._reconfigurePort()
- self._port_handle.Open()
- self._isOpen = True
- if not self._rtscts:
- self.setRTS(True)
- self.setDTR(True)
- self.flushInput()
- self.flushOutput()
-
- def _reconfigurePort(self):
- """Set communication parameters on opened port."""
- if not self._port_handle:
- raise SerialException("Can only operate on a valid port handle")
-
- #~ self._port_handle.ReceivedBytesThreshold = 1
-
- if self._timeout is None:
- self._port_handle.ReadTimeout = System.IO.Ports.SerialPort.InfiniteTimeout
- else:
- self._port_handle.ReadTimeout = int(self._timeout*1000)
-
- # if self._timeout != 0 and self._interCharTimeout is not None:
- # timeouts = (int(self._interCharTimeout * 1000),) + timeouts[1:]
-
- if self._writeTimeout is None:
- self._port_handle.WriteTimeout = System.IO.Ports.SerialPort.InfiniteTimeout
- else:
- self._port_handle.WriteTimeout = int(self._writeTimeout*1000)
-
-
- # Setup the connection info.
- try:
- self._port_handle.BaudRate = self._baudrate
- except IOError, e:
- # catch errors from illegal baudrate settings
- raise ValueError(str(e))
-
- if self._bytesize == FIVEBITS:
- self._port_handle.DataBits = 5
- elif self._bytesize == SIXBITS:
- self._port_handle.DataBits = 6
- elif self._bytesize == SEVENBITS:
- self._port_handle.DataBits = 7
- elif self._bytesize == EIGHTBITS:
- self._port_handle.DataBits = 8
- else:
- raise ValueError("Unsupported number of data bits: %r" % self._bytesize)
-
- if self._parity == PARITY_NONE:
- self._port_handle.Parity = getattr(System.IO.Ports.Parity, 'None') # reserved keyword in Py3k
- elif self._parity == PARITY_EVEN:
- self._port_handle.Parity = System.IO.Ports.Parity.Even
- elif self._parity == PARITY_ODD:
- self._port_handle.Parity = System.IO.Ports.Parity.Odd
- elif self._parity == PARITY_MARK:
- self._port_handle.Parity = System.IO.Ports.Parity.Mark
- elif self._parity == PARITY_SPACE:
- self._port_handle.Parity = System.IO.Ports.Parity.Space
- else:
- raise ValueError("Unsupported parity mode: %r" % self._parity)
-
- if self._stopbits == STOPBITS_ONE:
- self._port_handle.StopBits = System.IO.Ports.StopBits.One
- elif self._stopbits == STOPBITS_ONE_POINT_FIVE:
- self._port_handle.StopBits = System.IO.Ports.StopBits.OnePointFive
- elif self._stopbits == STOPBITS_TWO:
- self._port_handle.StopBits = System.IO.Ports.StopBits.Two
- else:
- raise ValueError("Unsupported number of stop bits: %r" % self._stopbits)
-
- if self._rtscts and self._xonxoff:
- self._port_handle.Handshake = System.IO.Ports.Handshake.RequestToSendXOnXOff
- elif self._rtscts:
- self._port_handle.Handshake = System.IO.Ports.Handshake.RequestToSend
- elif self._xonxoff:
- self._port_handle.Handshake = System.IO.Ports.Handshake.XOnXOff
- else:
- self._port_handle.Handshake = getattr(System.IO.Ports.Handshake, 'None') # reserved keyword in Py3k
-
- #~ def __del__(self):
- #~ self.close()
-
- def close(self):
- """Close port"""
- if self._isOpen:
- if self._port_handle:
- try:
- self._port_handle.Close()
- except System.IO.Ports.InvalidOperationException:
- # ignore errors. can happen for unplugged USB serial devices
- pass
- self._port_handle = None
- self._isOpen = False
-
- def makeDeviceName(self, port):
- try:
- return device(port)
- except TypeError, e:
- raise SerialException(str(e))
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def inWaiting(self):
- """Return the number of characters currently in the input buffer."""
- if not self._port_handle: raise portNotOpenError
- return self._port_handle.BytesToRead
-
- def read(self, size=1):
- """\
- Read size bytes from the serial port. If a timeout is set it may
- return less characters as requested. With no timeout it will block
- until the requested number of bytes is read.
- """
- if not self._port_handle: raise portNotOpenError
- # must use single byte reads as this is the only way to read
- # without applying encodings
- data = bytearray()
- while size:
- try:
- data.append(self._port_handle.ReadByte())
- except System.TimeoutException, e:
- break
- else:
- size -= 1
- return bytes(data)
-
- def write(self, data):
- """Output the given string over the serial port."""
- if not self._port_handle: raise portNotOpenError
- #~ if not isinstance(data, (bytes, bytearray)):
- #~ raise TypeError('expected %s or bytearray, got %s' % (bytes, type(data)))
- try:
- # must call overloaded method with byte array argument
- # as this is the only one not applying encodings
- self._port_handle.Write(as_byte_array(data), 0, len(data))
- except System.TimeoutException, e:
- raise writeTimeoutError
- return len(data)
-
- def flushInput(self):
- """Clear input buffer, discarding all that is in the buffer."""
- if not self._port_handle: raise portNotOpenError
- self._port_handle.DiscardInBuffer()
-
- def flushOutput(self):
- """\
- Clear output buffer, aborting the current output and
- discarding all that is in the buffer.
- """
- if not self._port_handle: raise portNotOpenError
- self._port_handle.DiscardOutBuffer()
-
- def sendBreak(self, duration=0.25):
- """\
- Send break condition. Timed, returns to idle state after given
- duration.
- """
- if not self._port_handle: raise portNotOpenError
- import time
- self._port_handle.BreakState = True
- time.sleep(duration)
- self._port_handle.BreakState = False
-
- def setBreak(self, level=True):
- """
- Set break: Controls TXD. When active, to transmitting is possible.
- """
- if not self._port_handle: raise portNotOpenError
- self._port_handle.BreakState = bool(level)
-
- def setRTS(self, level=True):
- """Set terminal status line: Request To Send"""
- if not self._port_handle: raise portNotOpenError
- self._port_handle.RtsEnable = bool(level)
-
- def setDTR(self, level=True):
- """Set terminal status line: Data Terminal Ready"""
- if not self._port_handle: raise portNotOpenError
- self._port_handle.DtrEnable = bool(level)
-
- def getCTS(self):
- """Read terminal status line: Clear To Send"""
- if not self._port_handle: raise portNotOpenError
- return self._port_handle.CtsHolding
-
- def getDSR(self):
- """Read terminal status line: Data Set Ready"""
- if not self._port_handle: raise portNotOpenError
- return self._port_handle.DsrHolding
-
- def getRI(self):
- """Read terminal status line: Ring Indicator"""
- if not self._port_handle: raise portNotOpenError
- #~ return self._port_handle.XXX
- return False #XXX an error would be better
-
- def getCD(self):
- """Read terminal status line: Carrier Detect"""
- if not self._port_handle: raise portNotOpenError
- return self._port_handle.CDHolding
-
- # - - platform specific - - - -
- # none
-
-
-# assemble Serial class with the platform specific implementation and the base
-# for file-like behavior. for Python 2.6 and newer, that provide the new I/O
-# library, derive from io.RawIOBase
-try:
- import io
-except ImportError:
- # classic version with our own file-like emulation
- class Serial(IronSerial, FileLike):
- pass
-else:
- # io library present
- class Serial(IronSerial, io.RawIOBase):
- pass
-
-
-# Nur Testfunktion!!
-if __name__ == '__main__':
- import sys
-
- s = Serial(0)
- sys.stdio.write('%s\n' % s)
-
- s = Serial()
- sys.stdio.write('%s\n' % s)
-
-
- s.baudrate = 19200
- s.databits = 7
- s.close()
- s.port = 0
- s.open()
- sys.stdio.write('%s\n' % s)
-
diff --git a/scripts/serial/serialposix.py b/scripts/serial/serialposix.py
deleted file mode 100644
index 359ad1b877..0000000000
--- a/scripts/serial/serialposix.py
+++ /dev/null
@@ -1,730 +0,0 @@
-#!/usr/bin/env python
-#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# module for serial IO for POSIX compatible systems, like Linux
-# see __init__.py
-#
-# (C) 2001-2010 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-#
-# parts based on code from Grant B. Edwards <grante at visi.com>:
-# ftp://ftp.visi.com/users/grante/python/PosixSerial.py
-#
-# references: http://www.easysw.com/~mike/serial/serial.html
-
-import sys, os, fcntl, termios, struct, select, errno, time
-from serial.serialutil import *
-
-# Do check the Python version as some constants have moved.
-if (sys.hexversion < 0x020100f0):
- import TERMIOS
-else:
- TERMIOS = termios
-
-if (sys.hexversion < 0x020200f0):
- import FCNTL
-else:
- FCNTL = fcntl
-
-# try to detect the OS so that a device can be selected...
-# this code block should supply a device() and set_special_baudrate() function
-# for the platform
-plat = sys.platform.lower()
-
-if plat[:5] == 'linux': # Linux (confirmed)
-
- def device(port):
- return '/dev/ttyS%d' % port
-
- TCGETS2 = 0x802C542A
- TCSETS2 = 0x402C542B
- BOTHER = 0o010000
-
- def set_special_baudrate(port, baudrate):
- # right size is 44 on x86_64, allow for some growth
- import array
- buf = array.array('i', [0] * 64)
-
- try:
- # get serial_struct
- FCNTL.ioctl(port.fd, TCGETS2, buf)
- # set custom speed
- buf[2] &= ~TERMIOS.CBAUD
- buf[2] |= BOTHER
- buf[9] = buf[10] = baudrate
-
- # set serial_struct
- res = FCNTL.ioctl(port.fd, TCSETS2, buf)
- except IOError, e:
- raise ValueError('Failed to set custom baud rate (%s): %s' % (baudrate, e))
-
- baudrate_constants = {
- 0: 0000000, # hang up
- 50: 0000001,
- 75: 0000002,
- 110: 0000003,
- 134: 0000004,
- 150: 0000005,
- 200: 0000006,
- 300: 0000007,
- 600: 0000010,
- 1200: 0000011,
- 1800: 0000012,
- 2400: 0000013,
- 4800: 0000014,
- 9600: 0000015,
- 19200: 0000016,
- 38400: 0000017,
- 57600: 0010001,
- 115200: 0010002,
- 230400: 0010003,
- 460800: 0010004,
- 500000: 0010005,
- 576000: 0010006,
- 921600: 0010007,
- 1000000: 0010010,
- 1152000: 0010011,
- 1500000: 0010012,
- 2000000: 0010013,
- 2500000: 0010014,
- 3000000: 0010015,
- 3500000: 0010016,
- 4000000: 0010017
- }
-
-elif plat == 'cygwin': # cygwin/win32 (confirmed)
-
- def device(port):
- return '/dev/com%d' % (port + 1)
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {
- 128000: 0x01003,
- 256000: 0x01005,
- 500000: 0x01007,
- 576000: 0x01008,
- 921600: 0x01009,
- 1000000: 0x0100a,
- 1152000: 0x0100b,
- 1500000: 0x0100c,
- 2000000: 0x0100d,
- 2500000: 0x0100e,
- 3000000: 0x0100f
- }
-
-elif plat[:7] == 'openbsd': # OpenBSD
-
- def device(port):
- return '/dev/cua%02d' % port
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-elif plat[:3] == 'bsd' or \
- plat[:7] == 'freebsd':
-
- def device(port):
- return '/dev/cuad%d' % port
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-elif plat[:6] == 'darwin': # OS X
-
- version = os.uname()[2].split('.')
- # Tiger or above can support arbitrary serial speeds
- if int(version[0]) >= 8:
- def set_special_baudrate(port, baudrate):
- # use IOKit-specific call to set up high speeds
- import array, fcntl
- buf = array.array('i', [baudrate])
- IOSSIOSPEED = 0x80045402 #_IOW('T', 2, speed_t)
- fcntl.ioctl(port.fd, IOSSIOSPEED, buf, 1)
- else: # version < 8
- def set_special_baudrate(port, baudrate):
- raise ValueError("baud rate not supported")
-
- def device(port):
- return '/dev/cuad%d' % port
-
- baudrate_constants = {}
-
-
-elif plat[:6] == 'netbsd': # NetBSD 1.6 testing by Erk
-
- def device(port):
- return '/dev/dty%02d' % port
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-elif plat[:4] == 'irix': # IRIX (partially tested)
-
- def device(port):
- return '/dev/ttyf%d' % (port+1) #XXX different device names depending on flow control
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-elif plat[:2] == 'hp': # HP-UX (not tested)
-
- def device(port):
- return '/dev/tty%dp0' % (port+1)
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-elif plat[:5] == 'sunos': # Solaris/SunOS (confirmed)
-
- def device(port):
- return '/dev/tty%c' % (ord('a')+port)
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-elif plat[:3] == 'aix': # AIX
-
- def device(port):
- return '/dev/tty%d' % (port)
-
- def set_special_baudrate(port, baudrate):
- raise ValueError("sorry don't know how to handle non standard baud rate on this platform")
-
- baudrate_constants = {}
-
-else:
- # platform detection has failed...
- sys.stderr.write("""\
-don't know how to number ttys on this system.
-! Use an explicit path (eg /dev/ttyS1) or send this information to
-! the author of this module:
-
-sys.platform = %r
-os.name = %r
-serialposix.py version = %s
-
-also add the device name of the serial port and where the
-counting starts for the first serial port.
-e.g. 'first serial port: /dev/ttyS0'
-and with a bit luck you can get this module running...
-""" % (sys.platform, os.name, VERSION))
- # no exception, just continue with a brave attempt to build a device name
- # even if the device name is not correct for the platform it has chances
- # to work using a string with the real device name as port parameter.
- def device(portum):
- return '/dev/ttyS%d' % portnum
- def set_special_baudrate(port, baudrate):
- raise SerialException("sorry don't know how to handle non standard baud rate on this platform")
- baudrate_constants = {}
- #~ raise Exception, "this module does not run on this platform, sorry."
-
-# whats up with "aix", "beos", ....
-# they should work, just need to know the device names.
-
-
-# load some constants for later use.
-# try to use values from TERMIOS, use defaults from linux otherwise
-TIOCMGET = hasattr(TERMIOS, 'TIOCMGET') and TERMIOS.TIOCMGET or 0x5415
-TIOCMBIS = hasattr(TERMIOS, 'TIOCMBIS') and TERMIOS.TIOCMBIS or 0x5416
-TIOCMBIC = hasattr(TERMIOS, 'TIOCMBIC') and TERMIOS.TIOCMBIC or 0x5417
-TIOCMSET = hasattr(TERMIOS, 'TIOCMSET') and TERMIOS.TIOCMSET or 0x5418
-
-#TIOCM_LE = hasattr(TERMIOS, 'TIOCM_LE') and TERMIOS.TIOCM_LE or 0x001
-TIOCM_DTR = hasattr(TERMIOS, 'TIOCM_DTR') and TERMIOS.TIOCM_DTR or 0x002
-TIOCM_RTS = hasattr(TERMIOS, 'TIOCM_RTS') and TERMIOS.TIOCM_RTS or 0x004
-#TIOCM_ST = hasattr(TERMIOS, 'TIOCM_ST') and TERMIOS.TIOCM_ST or 0x008
-#TIOCM_SR = hasattr(TERMIOS, 'TIOCM_SR') and TERMIOS.TIOCM_SR or 0x010
-
-TIOCM_CTS = hasattr(TERMIOS, 'TIOCM_CTS') and TERMIOS.TIOCM_CTS or 0x020
-TIOCM_CAR = hasattr(TERMIOS, 'TIOCM_CAR') and TERMIOS.TIOCM_CAR or 0x040
-TIOCM_RNG = hasattr(TERMIOS, 'TIOCM_RNG') and TERMIOS.TIOCM_RNG or 0x080
-TIOCM_DSR = hasattr(TERMIOS, 'TIOCM_DSR') and TERMIOS.TIOCM_DSR or 0x100
-TIOCM_CD = hasattr(TERMIOS, 'TIOCM_CD') and TERMIOS.TIOCM_CD or TIOCM_CAR
-TIOCM_RI = hasattr(TERMIOS, 'TIOCM_RI') and TERMIOS.TIOCM_RI or TIOCM_RNG
-#TIOCM_OUT1 = hasattr(TERMIOS, 'TIOCM_OUT1') and TERMIOS.TIOCM_OUT1 or 0x2000
-#TIOCM_OUT2 = hasattr(TERMIOS, 'TIOCM_OUT2') and TERMIOS.TIOCM_OUT2 or 0x4000
-if hasattr(TERMIOS, 'TIOCINQ'):
- TIOCINQ = TERMIOS.TIOCINQ
-else:
- TIOCINQ = hasattr(TERMIOS, 'FIONREAD') and TERMIOS.FIONREAD or 0x541B
-TIOCOUTQ = hasattr(TERMIOS, 'TIOCOUTQ') and TERMIOS.TIOCOUTQ or 0x5411
-
-TIOCM_zero_str = struct.pack('I', 0)
-TIOCM_RTS_str = struct.pack('I', TIOCM_RTS)
-TIOCM_DTR_str = struct.pack('I', TIOCM_DTR)
-
-TIOCSBRK = hasattr(TERMIOS, 'TIOCSBRK') and TERMIOS.TIOCSBRK or 0x5427
-TIOCCBRK = hasattr(TERMIOS, 'TIOCCBRK') and TERMIOS.TIOCCBRK or 0x5428
-
-CMSPAR = 010000000000 # Use "stick" (mark/space) parity
-
-
-class PosixSerial(SerialBase):
- """\
- Serial port class POSIX implementation. Serial port configuration is
- done with termios and fcntl. Runs on Linux and many other Un*x like
- systems.
- """
-
- def open(self):
- """\
- Open port with current settings. This may throw a SerialException
- if the port cannot be opened."""
- if self._port is None:
- raise SerialException("Port must be configured before it can be used.")
- if self._isOpen:
- raise SerialException("Port is already open.")
- self.fd = None
- # open
- try:
- self.fd = os.open(self.portstr, os.O_RDWR|os.O_NOCTTY|os.O_NONBLOCK)
- except OSError, msg:
- self.fd = None
- raise SerialException(msg.errno, "could not open port %s: %s" % (self._port, msg))
- #~ fcntl.fcntl(self.fd, FCNTL.F_SETFL, 0) # set blocking
-
- try:
- self._reconfigurePort()
- except:
- try:
- os.close(self.fd)
- except:
- # ignore any exception when closing the port
- # also to keep original exception that happened when setting up
- pass
- self.fd = None
- raise
- else:
- self._isOpen = True
- self.flushInput()
-
-
- def _reconfigurePort(self):
- """Set communication parameters on opened port."""
- if self.fd is None:
- raise SerialException("Can only operate on a valid file descriptor")
- custom_baud = None
-
- vmin = vtime = 0 # timeout is done via select
- if self._interCharTimeout is not None:
- vmin = 1
- vtime = int(self._interCharTimeout * 10)
- try:
- orig_attr = termios.tcgetattr(self.fd)
- iflag, oflag, cflag, lflag, ispeed, ospeed, cc = orig_attr
- except termios.error, msg: # if a port is nonexistent but has a /dev file, it'll fail here
- raise SerialException("Could not configure port: %s" % msg)
- # set up raw mode / no echo / binary
- cflag |= (TERMIOS.CLOCAL|TERMIOS.CREAD)
- lflag &= ~(TERMIOS.ICANON|TERMIOS.ECHO|TERMIOS.ECHOE|TERMIOS.ECHOK|TERMIOS.ECHONL|
- TERMIOS.ISIG|TERMIOS.IEXTEN) #|TERMIOS.ECHOPRT
- for flag in ('ECHOCTL', 'ECHOKE'): # netbsd workaround for Erk
- if hasattr(TERMIOS, flag):
- lflag &= ~getattr(TERMIOS, flag)
-
- oflag &= ~(TERMIOS.OPOST)
- iflag &= ~(TERMIOS.INLCR|TERMIOS.IGNCR|TERMIOS.ICRNL|TERMIOS.IGNBRK)
- if hasattr(TERMIOS, 'IUCLC'):
- iflag &= ~TERMIOS.IUCLC
- if hasattr(TERMIOS, 'PARMRK'):
- iflag &= ~TERMIOS.PARMRK
-
- # setup baud rate
- try:
- ispeed = ospeed = getattr(TERMIOS, 'B%s' % (self._baudrate))
- except AttributeError:
- try:
- ispeed = ospeed = baudrate_constants[self._baudrate]
- except KeyError:
- #~ raise ValueError('Invalid baud rate: %r' % self._baudrate)
- # may need custom baud rate, it isn't in our list.
- ispeed = ospeed = getattr(TERMIOS, 'B38400')
- try:
- custom_baud = int(self._baudrate) # store for later
- except ValueError:
- raise ValueError('Invalid baud rate: %r' % self._baudrate)
- else:
- if custom_baud < 0:
- raise ValueError('Invalid baud rate: %r' % self._baudrate)
-
- # setup char len
- cflag &= ~TERMIOS.CSIZE
- if self._bytesize == 8:
- cflag |= TERMIOS.CS8
- elif self._bytesize == 7:
- cflag |= TERMIOS.CS7
- elif self._bytesize == 6:
- cflag |= TERMIOS.CS6
- elif self._bytesize == 5:
- cflag |= TERMIOS.CS5
- else:
- raise ValueError('Invalid char len: %r' % self._bytesize)
- # setup stop bits
- if self._stopbits == STOPBITS_ONE:
- cflag &= ~(TERMIOS.CSTOPB)
- elif self._stopbits == STOPBITS_ONE_POINT_FIVE:
- cflag |= (TERMIOS.CSTOPB) # XXX same as TWO.. there is no POSIX support for 1.5
- elif self._stopbits == STOPBITS_TWO:
- cflag |= (TERMIOS.CSTOPB)
- else:
- raise ValueError('Invalid stop bit specification: %r' % self._stopbits)
- # setup parity
- iflag &= ~(TERMIOS.INPCK|TERMIOS.ISTRIP)
- if self._parity == PARITY_NONE:
- cflag &= ~(TERMIOS.PARENB|TERMIOS.PARODD)
- elif self._parity == PARITY_EVEN:
- cflag &= ~(TERMIOS.PARODD)
- cflag |= (TERMIOS.PARENB)
- elif self._parity == PARITY_ODD:
- cflag |= (TERMIOS.PARENB|TERMIOS.PARODD)
- elif self._parity == PARITY_MARK and plat[:5] == 'linux':
- cflag |= (TERMIOS.PARENB|CMSPAR|TERMIOS.PARODD)
- elif self._parity == PARITY_SPACE and plat[:5] == 'linux':
- cflag |= (TERMIOS.PARENB|CMSPAR)
- cflag &= ~(TERMIOS.PARODD)
- else:
- raise ValueError('Invalid parity: %r' % self._parity)
- # setup flow control
- # xonxoff
- if hasattr(TERMIOS, 'IXANY'):
- if self._xonxoff:
- iflag |= (TERMIOS.IXON|TERMIOS.IXOFF) #|TERMIOS.IXANY)
- else:
- iflag &= ~(TERMIOS.IXON|TERMIOS.IXOFF|TERMIOS.IXANY)
- else:
- if self._xonxoff:
- iflag |= (TERMIOS.IXON|TERMIOS.IXOFF)
- else:
- iflag &= ~(TERMIOS.IXON|TERMIOS.IXOFF)
- # rtscts
- if hasattr(TERMIOS, 'CRTSCTS'):
- if self._rtscts:
- cflag |= (TERMIOS.CRTSCTS)
- else:
- cflag &= ~(TERMIOS.CRTSCTS)
- elif hasattr(TERMIOS, 'CNEW_RTSCTS'): # try it with alternate constant name
- if self._rtscts:
- cflag |= (TERMIOS.CNEW_RTSCTS)
- else:
- cflag &= ~(TERMIOS.CNEW_RTSCTS)
- # XXX should there be a warning if setting up rtscts (and xonxoff etc) fails??
-
- # buffer
- # vmin "minimal number of characters to be read. 0 for non blocking"
- if vmin < 0 or vmin > 255:
- raise ValueError('Invalid vmin: %r ' % vmin)
- cc[TERMIOS.VMIN] = vmin
- # vtime
- if vtime < 0 or vtime > 255:
- raise ValueError('Invalid vtime: %r' % vtime)
- cc[TERMIOS.VTIME] = vtime
- # activate settings
- if [iflag, oflag, cflag, lflag, ispeed, ospeed, cc] != orig_attr:
- termios.tcsetattr(self.fd, TERMIOS.TCSANOW, [iflag, oflag, cflag, lflag, ispeed, ospeed, cc])
-
- # apply custom baud rate, if any
- if custom_baud is not None:
- set_special_baudrate(self, custom_baud)
-
- def close(self):
- """Close port"""
- if self._isOpen:
- if self.fd is not None:
- os.close(self.fd)
- self.fd = None
- self._isOpen = False
-
- def makeDeviceName(self, port):
- return device(port)
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def inWaiting(self):
- """Return the number of characters currently in the input buffer."""
- #~ s = fcntl.ioctl(self.fd, TERMIOS.FIONREAD, TIOCM_zero_str)
- s = fcntl.ioctl(self.fd, TIOCINQ, TIOCM_zero_str)
- return struct.unpack('I',s)[0]
-
- # select based implementation, proved to work on many systems
- def read(self, size=1):
- """\
- Read size bytes from the serial port. If a timeout is set it may
- return less characters as requested. With no timeout it will block
- until the requested number of bytes is read.
- """
- if not self._isOpen: raise portNotOpenError
- read = bytearray()
- while len(read) < size:
- try:
- ready,_,_ = select.select([self.fd],[],[], self._timeout)
- # If select was used with a timeout, and the timeout occurs, it
- # returns with empty lists -> thus abort read operation.
- # For timeout == 0 (non-blocking operation) also abort when there
- # is nothing to read.
- if not ready:
- break # timeout
- buf = os.read(self.fd, size-len(read))
- # read should always return some data as select reported it was
- # ready to read when we get to this point.
- if not buf:
- # Disconnected devices, at least on Linux, show the
- # behavior that they are always ready to read immediately
- # but reading returns nothing.
- raise SerialException('device reports readiness to read but returned no data (device disconnected or multiple access on port?)')
- read.extend(buf)
- except OSError, e:
- # this is for Python 3.x where select.error is a subclass of OSError
- # ignore EAGAIN errors. all other errors are shown
- if e.errno != errno.EAGAIN:
- raise SerialException('read failed: %s' % (e,))
- except select.error, e:
- # this is for Python 2.x
- # ignore EAGAIN errors. all other errors are shown
- # see also http://www.python.org/dev/peps/pep-3151/#select
- if e[0] != errno.EAGAIN:
- raise SerialException('read failed: %s' % (e,))
- return bytes(read)
-
- def write(self, data):
- """Output the given string over the serial port."""
- if not self._isOpen: raise portNotOpenError
- d = to_bytes(data)
- tx_len = len(d)
- if self._writeTimeout is not None and self._writeTimeout > 0:
- timeout = time.time() + self._writeTimeout
- else:
- timeout = None
- while tx_len > 0:
- try:
- n = os.write(self.fd, d)
- if timeout:
- # when timeout is set, use select to wait for being ready
- # with the time left as timeout
- timeleft = timeout - time.time()
- if timeleft < 0:
- raise writeTimeoutError
- _, ready, _ = select.select([], [self.fd], [], timeleft)
- if not ready:
- raise writeTimeoutError
- else:
- # wait for write operation
- _, ready, _ = select.select([], [self.fd], [], None)
- if not ready:
- raise SerialException('write failed (select)')
- d = d[n:]
- tx_len -= n
- except OSError, v:
- if v.errno != errno.EAGAIN:
- raise SerialException('write failed: %s' % (v,))
- return len(data)
-
- def flush(self):
- """\
- Flush of file like objects. In this case, wait until all data
- is written.
- """
- self.drainOutput()
-
- def flushInput(self):
- """Clear input buffer, discarding all that is in the buffer."""
- if not self._isOpen: raise portNotOpenError
- termios.tcflush(self.fd, TERMIOS.TCIFLUSH)
-
- def flushOutput(self):
- """\
- Clear output buffer, aborting the current output and discarding all
- that is in the buffer.
- """
- if not self._isOpen: raise portNotOpenError
- termios.tcflush(self.fd, TERMIOS.TCOFLUSH)
-
- def sendBreak(self, duration=0.25):
- """\
- Send break condition. Timed, returns to idle state after given
- duration.
- """
- if not self._isOpen: raise portNotOpenError
- termios.tcsendbreak(self.fd, int(duration/0.25))
-
- def setBreak(self, level=1):
- """\
- Set break: Controls TXD. When active, no transmitting is possible.
- """
- if self.fd is None: raise portNotOpenError
- if level:
- fcntl.ioctl(self.fd, TIOCSBRK)
- else:
- fcntl.ioctl(self.fd, TIOCCBRK)
-
- def setRTS(self, level=1):
- """Set terminal status line: Request To Send"""
- if not self._isOpen: raise portNotOpenError
- if level:
- fcntl.ioctl(self.fd, TIOCMBIS, TIOCM_RTS_str)
- else:
- fcntl.ioctl(self.fd, TIOCMBIC, TIOCM_RTS_str)
-
- def setDTR(self, level=1):
- """Set terminal status line: Data Terminal Ready"""
- if not self._isOpen: raise portNotOpenError
- if level:
- fcntl.ioctl(self.fd, TIOCMBIS, TIOCM_DTR_str)
- else:
- fcntl.ioctl(self.fd, TIOCMBIC, TIOCM_DTR_str)
-
- def getCTS(self):
- """Read terminal status line: Clear To Send"""
- if not self._isOpen: raise portNotOpenError
- s = fcntl.ioctl(self.fd, TIOCMGET, TIOCM_zero_str)
- return struct.unpack('I',s)[0] & TIOCM_CTS != 0
-
- def getDSR(self):
- """Read terminal status line: Data Set Ready"""
- if not self._isOpen: raise portNotOpenError
- s = fcntl.ioctl(self.fd, TIOCMGET, TIOCM_zero_str)
- return struct.unpack('I',s)[0] & TIOCM_DSR != 0
-
- def getRI(self):
- """Read terminal status line: Ring Indicator"""
- if not self._isOpen: raise portNotOpenError
- s = fcntl.ioctl(self.fd, TIOCMGET, TIOCM_zero_str)
- return struct.unpack('I',s)[0] & TIOCM_RI != 0
-
- def getCD(self):
- """Read terminal status line: Carrier Detect"""
- if not self._isOpen: raise portNotOpenError
- s = fcntl.ioctl(self.fd, TIOCMGET, TIOCM_zero_str)
- return struct.unpack('I',s)[0] & TIOCM_CD != 0
-
- # - - platform specific - - - -
-
- def outWaiting(self):
- """Return the number of characters currently in the output buffer."""
- #~ s = fcntl.ioctl(self.fd, TERMIOS.FIONREAD, TIOCM_zero_str)
- s = fcntl.ioctl(self.fd, TIOCOUTQ, TIOCM_zero_str)
- return struct.unpack('I',s)[0]
-
- def drainOutput(self):
- """internal - not portable!"""
- if not self._isOpen: raise portNotOpenError
- termios.tcdrain(self.fd)
-
- def nonblocking(self):
- """internal - not portable!"""
- if not self._isOpen: raise portNotOpenError
- fcntl.fcntl(self.fd, FCNTL.F_SETFL, os.O_NONBLOCK)
-
- def fileno(self):
- """\
- For easier use of the serial port instance with select.
- WARNING: this function is not portable to different platforms!
- """
- if not self._isOpen: raise portNotOpenError
- return self.fd
-
- def setXON(self, level=True):
- """\
- Manually control flow - when software flow control is enabled.
- This will send XON (true) and XOFF (false) to the other device.
- WARNING: this function is not portable to different platforms!
- """
- if not self.hComPort: raise portNotOpenError
- if enable:
- termios.tcflow(self.fd, TERMIOS.TCION)
- else:
- termios.tcflow(self.fd, TERMIOS.TCIOFF)
-
- def flowControlOut(self, enable):
- """\
- Manually control flow of outgoing data - when hardware or software flow
- control is enabled.
- WARNING: this function is not portable to different platforms!
- """
- if not self._isOpen: raise portNotOpenError
- if enable:
- termios.tcflow(self.fd, TERMIOS.TCOON)
- else:
- termios.tcflow(self.fd, TERMIOS.TCOOFF)
-
-
-# assemble Serial class with the platform specific implementation and the base
-# for file-like behavior. for Python 2.6 and newer, that provide the new I/O
-# library, derive from io.RawIOBase
-try:
- import io
-except ImportError:
- # classic version with our own file-like emulation
- class Serial(PosixSerial, FileLike):
- pass
-else:
- # io library present
- class Serial(PosixSerial, io.RawIOBase):
- pass
-
-class PosixPollSerial(Serial):
- """\
- Poll based read implementation. Not all systems support poll properly.
- However this one has better handling of errors, such as a device
- disconnecting while it's in use (e.g. USB-serial unplugged).
- """
-
- def read(self, size=1):
- """\
- Read size bytes from the serial port. If a timeout is set it may
- return less characters as requested. With no timeout it will block
- until the requested number of bytes is read.
- """
- if self.fd is None: raise portNotOpenError
- read = bytearray()
- poll = select.poll()
- poll.register(self.fd, select.POLLIN|select.POLLERR|select.POLLHUP|select.POLLNVAL)
- if size > 0:
- while len(read) < size:
- # print "\tread(): size",size, "have", len(read) #debug
- # wait until device becomes ready to read (or something fails)
- for fd, event in poll.poll(self._timeout*1000):
- if event & (select.POLLERR|select.POLLHUP|select.POLLNVAL):
- raise SerialException('device reports error (poll)')
- # we don't care if it is select.POLLIN or timeout, that's
- # handled below
- buf = os.read(self.fd, size - len(read))
- read.extend(buf)
- if ((self._timeout is not None and self._timeout >= 0) or
- (self._interCharTimeout is not None and self._interCharTimeout > 0)) and not buf:
- break # early abort on timeout
- return bytes(read)
-
-
-if __name__ == '__main__':
- s = Serial(0,
- baudrate=19200, # baud rate
- bytesize=EIGHTBITS, # number of data bits
- parity=PARITY_EVEN, # enable parity checking
- stopbits=STOPBITS_ONE, # number of stop bits
- timeout=3, # set a timeout value, None for waiting forever
- xonxoff=0, # enable software flow control
- rtscts=0, # enable RTS/CTS flow control
- )
- s.setRTS(1)
- s.setDTR(1)
- s.flushInput()
- s.flushOutput()
- s.write('hello')
- sys.stdout.write('%r\n' % s.read(5))
- sys.stdout.write('%s\n' % s.inWaiting())
- del s
-
diff --git a/scripts/serial/serialutil.py b/scripts/serial/serialutil.py
deleted file mode 100644
index af0d2f6402..0000000000
--- a/scripts/serial/serialutil.py
+++ /dev/null
@@ -1,572 +0,0 @@
-#! python
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
-# (C) 2001-2010 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-# compatibility for older Python < 2.6
-try:
- bytes
- bytearray
-except (NameError, AttributeError):
- # Python older than 2.6 do not have these types. Like for Python 2.6 they
- # should behave like str. For Python older than 3.0 we want to work with
- # strings anyway, only later versions have a true bytes type.
- bytes = str
- # bytearray is a mutable type that is easily turned into an instance of
- # bytes
- class bytearray(list):
- # for bytes(bytearray()) usage
- def __str__(self): return ''.join(self)
- def __repr__(self): return 'bytearray(%r)' % ''.join(self)
- # append automatically converts integers to characters
- def append(self, item):
- if isinstance(item, str):
- list.append(self, item)
- else:
- list.append(self, chr(item))
- # +=
- def __iadd__(self, other):
- for byte in other:
- self.append(byte)
- return self
-
- def __getslice__(self, i, j):
- return bytearray(list.__getslice__(self, i, j))
-
- def __getitem__(self, item):
- if isinstance(item, slice):
- return bytearray(list.__getitem__(self, item))
- else:
- return ord(list.__getitem__(self, item))
-
- def __eq__(self, other):
- if isinstance(other, basestring):
- other = bytearray(other)
- return list.__eq__(self, other)
-
-# ``memoryview`` was introduced in Python 2.7 and ``bytes(some_memoryview)``
-# isn't returning the contents (very unfortunate). Therefore we need special
-# cases and test for it. Ensure that there is a ``memoryview`` object for older
-# Python versions. This is easier than making every test dependent on its
-# existence.
-try:
- memoryview
-except (NameError, AttributeError):
- # implementation does not matter as we do not realy use it.
- # it just must not inherit from something else we might care for.
- class memoryview:
- pass
-
-
-# all Python versions prior 3.x convert ``str([17])`` to '[17]' instead of '\x11'
-# so a simple ``bytes(sequence)`` doesn't work for all versions
-def to_bytes(seq):
- """convert a sequence to a bytes type"""
- if isinstance(seq, bytes):
- return seq
- elif isinstance(seq, bytearray):
- return bytes(seq)
- elif isinstance(seq, memoryview):
- return seq.tobytes()
- else:
- b = bytearray()
- for item in seq:
- b.append(item) # this one handles int and str for our emulation and ints for Python 3.x
- return bytes(b)
-
-# create control bytes
-XON = to_bytes([17])
-XOFF = to_bytes([19])
-
-CR = to_bytes([13])
-LF = to_bytes([10])
-
-
-PARITY_NONE, PARITY_EVEN, PARITY_ODD, PARITY_MARK, PARITY_SPACE = 'N', 'E', 'O', 'M', 'S'
-STOPBITS_ONE, STOPBITS_ONE_POINT_FIVE, STOPBITS_TWO = (1, 1.5, 2)
-FIVEBITS, SIXBITS, SEVENBITS, EIGHTBITS = (5, 6, 7, 8)
-
-PARITY_NAMES = {
- PARITY_NONE: 'None',
- PARITY_EVEN: 'Even',
- PARITY_ODD: 'Odd',
- PARITY_MARK: 'Mark',
- PARITY_SPACE: 'Space',
-}
-
-
-class SerialException(IOError):
- """Base class for serial port related exceptions."""
-
-
-class SerialTimeoutException(SerialException):
- """Write timeouts give an exception"""
-
-
-writeTimeoutError = SerialTimeoutException('Write timeout')
-portNotOpenError = SerialException('Attempting to use a port that is not open')
-
-
-class FileLike(object):
- """\
- An abstract file like class.
-
- This class implements readline and readlines based on read and
- writelines based on write.
- This class is used to provide the above functions for to Serial
- port objects.
-
- Note that when the serial port was opened with _NO_ timeout that
- readline blocks until it sees a newline (or the specified size is
- reached) and that readlines would never return and therefore
- refuses to work (it raises an exception in this case)!
- """
-
- def __init__(self):
- self.closed = True
-
- def close(self):
- self.closed = True
-
- # so that ports are closed when objects are discarded
- def __del__(self):
- """Destructor. Calls close()."""
- # The try/except block is in case this is called at program
- # exit time, when it's possible that globals have already been
- # deleted, and then the close() call might fail. Since
- # there's nothing we can do about such failures and they annoy
- # the end users, we suppress the traceback.
- try:
- self.close()
- except:
- pass
-
- def writelines(self, sequence):
- for line in sequence:
- self.write(line)
-
- def flush(self):
- """flush of file like objects"""
- pass
-
- # iterator for e.g. "for line in Serial(0): ..." usage
- def next(self):
- line = self.readline()
- if not line: raise StopIteration
- return line
-
- def __iter__(self):
- return self
-
- def readline(self, size=None, eol=LF):
- """\
- Read a line which is terminated with end-of-line (eol) character
- ('\n' by default) or until timeout.
- """
- leneol = len(eol)
- line = bytearray()
- while True:
- c = self.read(1)
- if c:
- line += c
- if line[-leneol:] == eol:
- break
- if size is not None and len(line) >= size:
- break
- else:
- break
- return bytes(line)
-
- def readlines(self, sizehint=None, eol=LF):
- """\
- Read a list of lines, until timeout.
- sizehint is ignored.
- """
- if self.timeout is None:
- raise ValueError("Serial port MUST have enabled timeout for this function!")
- leneol = len(eol)
- lines = []
- while True:
- line = self.readline(eol=eol)
- if line:
- lines.append(line)
- if line[-leneol:] != eol: # was the line received with a timeout?
- break
- else:
- break
- return lines
-
- def xreadlines(self, sizehint=None):
- """\
- Read lines, implemented as generator. It will raise StopIteration on
- timeout (empty read). sizehint is ignored.
- """
- while True:
- line = self.readline()
- if not line: break
- yield line
-
- # other functions of file-likes - not used by pySerial
-
- #~ readinto(b)
-
- def seek(self, pos, whence=0):
- raise IOError("file is not seekable")
-
- def tell(self):
- raise IOError("file is not seekable")
-
- def truncate(self, n=None):
- raise IOError("file is not seekable")
-
- def isatty(self):
- return False
-
-
-class SerialBase(object):
- """\
- Serial port base class. Provides __init__ function and properties to
- get/set port settings.
- """
-
- # default values, may be overridden in subclasses that do not support all values
- BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
- 9600, 19200, 38400, 57600, 115200, 230400, 460800, 500000,
- 576000, 921600, 1000000, 1152000, 1500000, 2000000, 2500000,
- 3000000, 3500000, 4000000)
- BYTESIZES = (FIVEBITS, SIXBITS, SEVENBITS, EIGHTBITS)
- PARITIES = (PARITY_NONE, PARITY_EVEN, PARITY_ODD, PARITY_MARK, PARITY_SPACE)
- STOPBITS = (STOPBITS_ONE, STOPBITS_ONE_POINT_FIVE, STOPBITS_TWO)
-
- def __init__(self,
- port = None, # number of device, numbering starts at
- # zero. if everything fails, the user
- # can specify a device string, note
- # that this isn't portable anymore
- # port will be opened if one is specified
- baudrate=9600, # baud rate
- bytesize=EIGHTBITS, # number of data bits
- parity=PARITY_NONE, # enable parity checking
- stopbits=STOPBITS_ONE, # number of stop bits
- timeout=None, # set a timeout value, None to wait forever
- xonxoff=False, # enable software flow control
- rtscts=False, # enable RTS/CTS flow control
- writeTimeout=None, # set a timeout for writes
- dsrdtr=False, # None: use rtscts setting, dsrdtr override if True or False
- interCharTimeout=None # Inter-character timeout, None to disable
- ):
- """\
- Initialize comm port object. If a port is given, then the port will be
- opened immediately. Otherwise a Serial port object in closed state
- is returned.
- """
-
- self._isOpen = False
- self._port = None # correct value is assigned below through properties
- self._baudrate = None # correct value is assigned below through properties
- self._bytesize = None # correct value is assigned below through properties
- self._parity = None # correct value is assigned below through properties
- self._stopbits = None # correct value is assigned below through properties
- self._timeout = None # correct value is assigned below through properties
- self._writeTimeout = None # correct value is assigned below through properties
- self._xonxoff = None # correct value is assigned below through properties
- self._rtscts = None # correct value is assigned below through properties
- self._dsrdtr = None # correct value is assigned below through properties
- self._interCharTimeout = None # correct value is assigned below through properties
-
- # assign values using get/set methods using the properties feature
- self.port = port
- self.baudrate = baudrate
- self.bytesize = bytesize
- self.parity = parity
- self.stopbits = stopbits
- self.timeout = timeout
- self.writeTimeout = writeTimeout
- self.xonxoff = xonxoff
- self.rtscts = rtscts
- self.dsrdtr = dsrdtr
- self.interCharTimeout = interCharTimeout
-
- if port is not None:
- self.open()
-
- def isOpen(self):
- """Check if the port is opened."""
- return self._isOpen
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- # TODO: these are not really needed as the is the BAUDRATES etc. attribute...
- # maybe i remove them before the final release...
-
- def getSupportedBaudrates(self):
- return [(str(b), b) for b in self.BAUDRATES]
-
- def getSupportedByteSizes(self):
- return [(str(b), b) for b in self.BYTESIZES]
-
- def getSupportedStopbits(self):
- return [(str(b), b) for b in self.STOPBITS]
-
- def getSupportedParities(self):
- return [(PARITY_NAMES[b], b) for b in self.PARITIES]
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def setPort(self, port):
- """\
- Change the port. The attribute portstr is set to a string that
- contains the name of the port.
- """
-
- was_open = self._isOpen
- if was_open: self.close()
- if port is not None:
- if isinstance(port, basestring):
- self.portstr = port
- else:
- self.portstr = self.makeDeviceName(port)
- else:
- self.portstr = None
- self._port = port
- self.name = self.portstr
- if was_open: self.open()
-
- def getPort(self):
- """\
- Get the current port setting. The value that was passed on init or using
- setPort() is passed back. See also the attribute portstr which contains
- the name of the port as a string.
- """
- return self._port
-
- port = property(getPort, setPort, doc="Port setting")
-
-
- def setBaudrate(self, baudrate):
- """\
- Change baud rate. It raises a ValueError if the port is open and the
- baud rate is not possible. If the port is closed, then the value is
- accepted and the exception is raised when the port is opened.
- """
- try:
- b = int(baudrate)
- except TypeError:
- raise ValueError("Not a valid baudrate: %r" % (baudrate,))
- else:
- if b <= 0:
- raise ValueError("Not a valid baudrate: %r" % (baudrate,))
- self._baudrate = b
- if self._isOpen: self._reconfigurePort()
-
- def getBaudrate(self):
- """Get the current baud rate setting."""
- return self._baudrate
-
- baudrate = property(getBaudrate, setBaudrate, doc="Baud rate setting")
-
-
- def setByteSize(self, bytesize):
- """Change byte size."""
- if bytesize not in self.BYTESIZES: raise ValueError("Not a valid byte size: %r" % (bytesize,))
- self._bytesize = bytesize
- if self._isOpen: self._reconfigurePort()
-
- def getByteSize(self):
- """Get the current byte size setting."""
- return self._bytesize
-
- bytesize = property(getByteSize, setByteSize, doc="Byte size setting")
-
-
- def setParity(self, parity):
- """Change parity setting."""
- if parity not in self.PARITIES: raise ValueError("Not a valid parity: %r" % (parity,))
- self._parity = parity
- if self._isOpen: self._reconfigurePort()
-
- def getParity(self):
- """Get the current parity setting."""
- return self._parity
-
- parity = property(getParity, setParity, doc="Parity setting")
-
-
- def setStopbits(self, stopbits):
- """Change stop bits size."""
- if stopbits not in self.STOPBITS: raise ValueError("Not a valid stop bit size: %r" % (stopbits,))
- self._stopbits = stopbits
- if self._isOpen: self._reconfigurePort()
-
- def getStopbits(self):
- """Get the current stop bits setting."""
- return self._stopbits
-
- stopbits = property(getStopbits, setStopbits, doc="Stop bits setting")
-
-
- def setTimeout(self, timeout):
- """Change timeout setting."""
- if timeout is not None:
- try:
- timeout + 1 # test if it's a number, will throw a TypeError if not...
- except TypeError:
- raise ValueError("Not a valid timeout: %r" % (timeout,))
- if timeout < 0: raise ValueError("Not a valid timeout: %r" % (timeout,))
- self._timeout = timeout
- if self._isOpen: self._reconfigurePort()
-
- def getTimeout(self):
- """Get the current timeout setting."""
- return self._timeout
-
- timeout = property(getTimeout, setTimeout, doc="Timeout setting for read()")
-
-
- def setWriteTimeout(self, timeout):
- """Change timeout setting."""
- if timeout is not None:
- if timeout < 0: raise ValueError("Not a valid timeout: %r" % (timeout,))
- try:
- timeout + 1 #test if it's a number, will throw a TypeError if not...
- except TypeError:
- raise ValueError("Not a valid timeout: %r" % timeout)
-
- self._writeTimeout = timeout
- if self._isOpen: self._reconfigurePort()
-
- def getWriteTimeout(self):
- """Get the current timeout setting."""
- return self._writeTimeout
-
- writeTimeout = property(getWriteTimeout, setWriteTimeout, doc="Timeout setting for write()")
-
-
- def setXonXoff(self, xonxoff):
- """Change XON/XOFF setting."""
- self._xonxoff = xonxoff
- if self._isOpen: self._reconfigurePort()
-
- def getXonXoff(self):
- """Get the current XON/XOFF setting."""
- return self._xonxoff
-
- xonxoff = property(getXonXoff, setXonXoff, doc="XON/XOFF setting")
-
- def setRtsCts(self, rtscts):
- """Change RTS/CTS flow control setting."""
- self._rtscts = rtscts
- if self._isOpen: self._reconfigurePort()
-
- def getRtsCts(self):
- """Get the current RTS/CTS flow control setting."""
- return self._rtscts
-
- rtscts = property(getRtsCts, setRtsCts, doc="RTS/CTS flow control setting")
-
- def setDsrDtr(self, dsrdtr=None):
- """Change DsrDtr flow control setting."""
- if dsrdtr is None:
- # if not set, keep backwards compatibility and follow rtscts setting
- self._dsrdtr = self._rtscts
- else:
- # if defined independently, follow its value
- self._dsrdtr = dsrdtr
- if self._isOpen: self._reconfigurePort()
-
- def getDsrDtr(self):
- """Get the current DSR/DTR flow control setting."""
- return self._dsrdtr
-
- dsrdtr = property(getDsrDtr, setDsrDtr, "DSR/DTR flow control setting")
-
- def setInterCharTimeout(self, interCharTimeout):
- """Change inter-character timeout setting."""
- if interCharTimeout is not None:
- if interCharTimeout < 0: raise ValueError("Not a valid timeout: %r" % interCharTimeout)
- try:
- interCharTimeout + 1 # test if it's a number, will throw a TypeError if not...
- except TypeError:
- raise ValueError("Not a valid timeout: %r" % interCharTimeout)
-
- self._interCharTimeout = interCharTimeout
- if self._isOpen: self._reconfigurePort()
-
- def getInterCharTimeout(self):
- """Get the current inter-character timeout setting."""
- return self._interCharTimeout
-
- interCharTimeout = property(getInterCharTimeout, setInterCharTimeout, doc="Inter-character timeout setting for read()")
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- _SETTINGS = ('baudrate', 'bytesize', 'parity', 'stopbits', 'xonxoff',
- 'dsrdtr', 'rtscts', 'timeout', 'writeTimeout', 'interCharTimeout')
-
- def getSettingsDict(self):
- """\
- Get current port settings as a dictionary. For use with
- applySettingsDict.
- """
- return dict([(key, getattr(self, '_'+key)) for key in self._SETTINGS])
-
- def applySettingsDict(self, d):
- """\
- apply stored settings from a dictionary returned from
- getSettingsDict. it's allowed to delete keys from the dictionary. these
- values will simply left unchanged.
- """
- for key in self._SETTINGS:
- if d[key] != getattr(self, '_'+key): # check against internal "_" value
- setattr(self, key, d[key]) # set non "_" value to use properties write function
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def __repr__(self):
- """String representation of the current port settings and its state."""
- return "%s<id=0x%x, open=%s>(port=%r, baudrate=%r, bytesize=%r, parity=%r, stopbits=%r, timeout=%r, xonxoff=%r, rtscts=%r, dsrdtr=%r)" % (
- self.__class__.__name__,
- id(self),
- self._isOpen,
- self.portstr,
- self.baudrate,
- self.bytesize,
- self.parity,
- self.stopbits,
- self.timeout,
- self.xonxoff,
- self.rtscts,
- self.dsrdtr,
- )
-
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
- # compatibility with io library
-
- def readable(self): return True
- def writable(self): return True
- def seekable(self): return False
- def readinto(self, b):
- data = self.read(len(b))
- n = len(data)
- try:
- b[:n] = data
- except TypeError, err:
- import array
- if not isinstance(b, array.array):
- raise err
- b[:n] = array.array('b', data)
- return n
-
-
-if __name__ == '__main__':
- import sys
- s = SerialBase()
- sys.stdout.write('port name: %s\n' % s.portstr)
- sys.stdout.write('baud rates: %s\n' % s.getSupportedBaudrates())
- sys.stdout.write('byte sizes: %s\n' % s.getSupportedByteSizes())
- sys.stdout.write('parities: %s\n' % s.getSupportedParities())
- sys.stdout.write('stop bits: %s\n' % s.getSupportedStopbits())
- sys.stdout.write('%s\n' % s)
diff --git a/scripts/serial/tools/__init__.py b/scripts/serial/tools/__init__.py
deleted file mode 100644
index 0efe34b218..0000000000
--- a/scripts/serial/tools/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-# empty #
\ No newline at end of file
diff --git a/scripts/serial/tools/list_ports.py b/scripts/serial/tools/list_ports.py
deleted file mode 100644
index d373a5566d..0000000000
--- a/scripts/serial/tools/list_ports.py
+++ /dev/null
@@ -1,103 +0,0 @@
-#!/usr/bin/env python
-
-# portable serial port access with python
-# this is a wrapper module for different platform implementations of the
-# port enumeration feature
-#
-# (C) 2011-2013 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-"""\
-This module will provide a function called comports that returns an
-iterable (generator or list) that will enumerate available com ports. Note that
-on some systems non-existent ports may be listed.
-
-Additionally a grep function is supplied that can be used to search for ports
-based on their descriptions or hardware ID.
-"""
-
-import sys, os, re
-
-# chose an implementation, depending on os
-#~ if sys.platform == 'cli':
-#~ else:
-import os
-# chose an implementation, depending on os
-if os.name == 'nt': #sys.platform == 'win32':
- from serial.tools.list_ports_windows import *
-elif os.name == 'posix':
- from serial.tools.list_ports_posix import *
-#~ elif os.name == 'java':
-else:
- raise ImportError("Sorry: no implementation for your platform ('%s') available" % (os.name,))
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-def grep(regexp):
- """\
- Search for ports using a regular expression. Port name, description and
- hardware ID are searched. The function returns an iterable that returns the
- same tuples as comport() would do.
- """
- r = re.compile(regexp, re.I)
- for port, desc, hwid in comports():
- if r.search(port) or r.search(desc) or r.search(hwid):
- yield port, desc, hwid
-
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-def main():
- import optparse
-
- parser = optparse.OptionParser(
- usage = "%prog [options] [<regexp>]",
- description = "Miniterm - A simple terminal program for the serial port."
- )
-
- parser.add_option("--debug",
- help="print debug messages and tracebacks (development mode)",
- dest="debug",
- default=False,
- action='store_true')
-
- parser.add_option("-v", "--verbose",
- help="show more messages (can be given multiple times)",
- dest="verbose",
- default=1,
- action='count')
-
- parser.add_option("-q", "--quiet",
- help="suppress all messages",
- dest="verbose",
- action='store_const',
- const=0)
-
- (options, args) = parser.parse_args()
-
-
- hits = 0
- # get iteraror w/ or w/o filter
- if args:
- if len(args) > 1:
- parser.error('more than one regexp not supported')
- print "Filtered list with regexp: %r" % (args[0],)
- iterator = sorted(grep(args[0]))
- else:
- iterator = sorted(comports())
- # list them
- for port, desc, hwid in iterator:
- print("%-20s" % (port,))
- if options.verbose > 1:
- print(" desc: %s" % (desc,))
- print(" hwid: %s" % (hwid,))
- hits += 1
- if options.verbose:
- if hits:
- print("%d ports found" % (hits,))
- else:
- print("no ports found")
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-# test
-if __name__ == '__main__':
- main()
diff --git a/scripts/serial/tools/list_ports_linux.py b/scripts/serial/tools/list_ports_linux.py
deleted file mode 100644
index 955761eaa4..0000000000
--- a/scripts/serial/tools/list_ports_linux.py
+++ /dev/null
@@ -1,152 +0,0 @@
-#!/usr/bin/env python
-
-# portable serial port access with python
-#
-# This is a module that gathers a list of serial ports including details on
-# GNU/Linux systems
-#
-# (C) 2011-2013 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-import glob
-import sys
-import os
-import re
-
-try:
- import subprocess
-except ImportError:
- def popen(argv):
- try:
- si, so = os.popen4(' '.join(argv))
- return so.read().strip()
- except:
- raise IOError('lsusb failed')
-else:
- def popen(argv):
- try:
- return subprocess.check_output(argv, stderr=subprocess.STDOUT).strip()
- except:
- raise IOError('lsusb failed')
-
-
-# The comports function is expected to return an iterable that yields tuples of
-# 3 strings: port name, human readable description and a hardware ID.
-#
-# as currently no method is known to get the second two strings easily, they
-# are currently just identical to the port name.
-
-# try to detect the OS so that a device can be selected...
-plat = sys.platform.lower()
-
-def read_line(filename):
- """\
- Helper function to read a single line from a file.
- Returns None on errors..
- """
- try:
- f = open(filename)
- line = f.readline().strip()
- f.close()
- return line
- except IOError:
- return None
-
-def re_group(regexp, text):
- """search for regexp in text, return 1st group on match"""
- if sys.version < '3':
- m = re.search(regexp, text)
- else:
- # text is bytes-like
- m = re.search(regexp, text.decode('ascii', 'replace'))
- if m: return m.group(1)
-
-
-# try to extract descriptions from sysfs. this was done by experimenting,
-# no guarantee that it works for all devices or in the future...
-
-def usb_sysfs_hw_string(sysfs_path):
- """given a path to a usb device in sysfs, return a string describing it"""
- bus, dev = os.path.basename(os.path.realpath(sysfs_path)).split('-')
- snr = read_line(sysfs_path+'/serial')
- if snr:
- snr_txt = ' SNR=%s' % (snr,)
- else:
- snr_txt = ''
- return 'USB VID:PID=%s:%s%s' % (
- read_line(sysfs_path+'/idVendor'),
- read_line(sysfs_path+'/idProduct'),
- snr_txt
- )
-
-def usb_lsusb_string(sysfs_path):
- base = os.path.basename(os.path.realpath(sysfs_path))
- bus = base.split('-')[0]
- try:
- dev = int(read_line(os.path.join(sysfs_path, 'devnum')))
- desc = popen(['lsusb', '-v', '-s', '%s:%s' % (bus, dev)])
- # descriptions from device
- iManufacturer = re_group('iManufacturer\s+\w+ (.+)', desc)
- iProduct = re_group('iProduct\s+\w+ (.+)', desc)
- iSerial = re_group('iSerial\s+\w+ (.+)', desc) or ''
- # descriptions from kernel
- idVendor = re_group('idVendor\s+0x\w+ (.+)', desc)
- idProduct = re_group('idProduct\s+0x\w+ (.+)', desc)
- # create descriptions. prefer text from device, fall back to the others
- return '%s %s %s' % (iManufacturer or idVendor, iProduct or idProduct, iSerial)
- except IOError:
- return base
-
-def describe(device):
- """\
- Get a human readable description.
- For USB-Serial devices try to run lsusb to get a human readable description.
- For USB-CDC devices read the description from sysfs.
- """
- base = os.path.basename(device)
- # USB-Serial devices
- sys_dev_path = '/sys/class/tty/%s/device/driver/%s' % (base, base)
- if os.path.exists(sys_dev_path):
- sys_usb = os.path.dirname(os.path.dirname(os.path.realpath(sys_dev_path)))
- return usb_lsusb_string(sys_usb)
- # USB-CDC devices
- sys_dev_path = '/sys/class/tty/%s/device/interface' % (base,)
- if os.path.exists(sys_dev_path):
- return read_line(sys_dev_path)
- # USB Product Information
- sys_dev_path = '/sys/class/tty/%s/device' % (base,)
- if os.path.exists(sys_dev_path):
- product_name_file = os.path.dirname(os.path.realpath(sys_dev_path)) + "/product"
- if os.path.exists(product_name_file):
- return read_line(product_name_file)
- return base
-
-def hwinfo(device):
- """Try to get a HW identification using sysfs"""
- base = os.path.basename(device)
- if os.path.exists('/sys/class/tty/%s/device' % (base,)):
- # PCI based devices
- sys_id_path = '/sys/class/tty/%s/device/id' % (base,)
- if os.path.exists(sys_id_path):
- return read_line(sys_id_path)
- # USB-Serial devices
- sys_dev_path = '/sys/class/tty/%s/device/driver/%s' % (base, base)
- if os.path.exists(sys_dev_path):
- sys_usb = os.path.dirname(os.path.dirname(os.path.realpath(sys_dev_path)))
- return usb_sysfs_hw_string(sys_usb)
- # USB-CDC devices
- if base.startswith('ttyACM'):
- sys_dev_path = '/sys/class/tty/%s/device' % (base,)
- if os.path.exists(sys_dev_path):
- return usb_sysfs_hw_string(sys_dev_path + '/..')
- return 'n/a' # XXX directly remove these from the list?
-
-def comports():
- devices = glob.glob('/dev/ttyS*') + glob.glob('/dev/ttyUSB*') + glob.glob('/dev/ttyACM*')
- return [(d, describe(d), hwinfo(d)) for d in devices]
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-# test
-if __name__ == '__main__':
- for port, desc, hwid in sorted(comports()):
- print "%s: %s [%s]" % (port, desc, hwid)
diff --git a/scripts/serial/urlhandler/__init__.py b/scripts/serial/urlhandler/__init__.py
deleted file mode 100644
index 0efe34b218..0000000000
--- a/scripts/serial/urlhandler/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-# empty #
\ No newline at end of file
diff --git a/scripts/serial/urlhandler/protocol_hwgrep.py b/scripts/serial/urlhandler/protocol_hwgrep.py
deleted file mode 100644
index 62cda43aa7..0000000000
--- a/scripts/serial/urlhandler/protocol_hwgrep.py
+++ /dev/null
@@ -1,45 +0,0 @@
-#! python
-#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
-# This module implements a special URL handler that uses the port listing to
-# find ports by searching the string descriptions.
-#
-# (C) 2011 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-#
-# URL format: hwgrep://regexp
-
-import serial
-import serial.tools.list_ports
-
-class Serial(serial.Serial):
- """Just inherit the native Serial port implementation and patch the open function."""
-
- def setPort(self, value):
- """translate port name before storing it"""
- if isinstance(value, basestring) and value.startswith('hwgrep://'):
- serial.Serial.setPort(self, self.fromURL(value))
- else:
- serial.Serial.setPort(self, value)
-
- def fromURL(self, url):
- """extract host and port from an URL string"""
- if url.lower().startswith("hwgrep://"): url = url[9:]
- # use a for loop to get the 1st element from the generator
- for port, desc, hwid in serial.tools.list_ports.grep(url):
- return port
- else:
- raise serial.SerialException('no ports found matching regexp %r' % (url,))
-
- # override property
- port = property(serial.Serial.getPort, setPort, doc="Port setting")
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-if __name__ == '__main__':
- #~ s = Serial('hwgrep://ttyS0')
- s = Serial(None)
- s.port = 'hwgrep://ttyS0'
- print s
-
diff --git a/scripts/serial/urlhandler/protocol_loop.py b/scripts/serial/urlhandler/protocol_loop.py
deleted file mode 100644
index a414839761..0000000000
--- a/scripts/serial/urlhandler/protocol_loop.py
+++ /dev/null
@@ -1,279 +0,0 @@
-#! python
-#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
-# This module implements a loop back connection receiving itself what it sent.
-#
-# The purpose of this module is.. well... You can run the unit tests with it.
-# and it was so easy to implement ;-)
-#
-# (C) 2001-2011 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-#
-# URL format: loop://[option[/option...]]
-# options:
-# - "debug" print diagnostic messages
-
-from serial.serialutil import *
-import threading
-import time
-import logging
-
-# map log level names to constants. used in fromURL()
-LOGGER_LEVELS = {
- 'debug': logging.DEBUG,
- 'info': logging.INFO,
- 'warning': logging.WARNING,
- 'error': logging.ERROR,
- }
-
-
-class LoopbackSerial(SerialBase):
- """Serial port implementation that simulates a loop back connection in plain software."""
-
- BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
- 9600, 19200, 38400, 57600, 115200)
-
- def open(self):
- """\
- Open port with current settings. This may throw a SerialException
- if the port cannot be opened.
- """
- if self._isOpen:
- raise SerialException("Port is already open.")
- self.logger = None
- self.buffer_lock = threading.Lock()
- self.loop_buffer = bytearray()
- self.cts = False
- self.dsr = False
-
- if self._port is None:
- raise SerialException("Port must be configured before it can be used.")
- # not that there is anything to open, but the function applies the
- # options found in the URL
- self.fromURL(self.port)
-
- # not that there anything to configure...
- self._reconfigurePort()
- # all things set up get, now a clean start
- self._isOpen = True
- if not self._rtscts:
- self.setRTS(True)
- self.setDTR(True)
- self.flushInput()
- self.flushOutput()
-
- def _reconfigurePort(self):
- """\
- Set communication parameters on opened port. For the loop://
- protocol all settings are ignored!
- """
- # not that's it of any real use, but it helps in the unit tests
- if not isinstance(self._baudrate, (int, long)) or not 0 < self._baudrate < 2**32:
- raise ValueError("invalid baudrate: %r" % (self._baudrate))
- if self.logger:
- self.logger.info('_reconfigurePort()')
-
- def close(self):
- """Close port"""
- if self._isOpen:
- self._isOpen = False
- # in case of quick reconnects, give the server some time
- time.sleep(0.3)
-
- def makeDeviceName(self, port):
- raise SerialException("there is no sensible way to turn numbers into URLs")
-
- def fromURL(self, url):
- """extract host and port from an URL string"""
- if url.lower().startswith("loop://"): url = url[7:]
- try:
- # process options now, directly altering self
- for option in url.split('/'):
- if '=' in option:
- option, value = option.split('=', 1)
- else:
- value = None
- if not option:
- pass
- elif option == 'logging':
- logging.basicConfig() # XXX is that good to call it here?
- self.logger = logging.getLogger('pySerial.loop')
- self.logger.setLevel(LOGGER_LEVELS[value])
- self.logger.debug('enabled logging')
- else:
- raise ValueError('unknown option: %r' % (option,))
- except ValueError, e:
- raise SerialException('expected a string in the form "[loop://][option[/option...]]": %s' % e)
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def inWaiting(self):
- """Return the number of characters currently in the input buffer."""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- # attention the logged value can differ from return value in
- # threaded environments...
- self.logger.debug('inWaiting() -> %d' % (len(self.loop_buffer),))
- return len(self.loop_buffer)
-
- def read(self, size=1):
- """\
- Read size bytes from the serial port. If a timeout is set it may
- return less characters as requested. With no timeout it will block
- until the requested number of bytes is read.
- """
- if not self._isOpen: raise portNotOpenError
- if self._timeout is not None:
- timeout = time.time() + self._timeout
- else:
- timeout = None
- data = bytearray()
- while size > 0:
- self.buffer_lock.acquire()
- try:
- block = to_bytes(self.loop_buffer[:size])
- del self.loop_buffer[:size]
- finally:
- self.buffer_lock.release()
- data += block
- size -= len(block)
- # check for timeout now, after data has been read.
- # useful for timeout = 0 (non blocking) read
- if timeout and time.time() > timeout:
- break
- return bytes(data)
-
- def write(self, data):
- """\
- Output the given string over the serial port. Can block if the
- connection is blocked. May raise SerialException if the connection is
- closed.
- """
- if not self._isOpen: raise portNotOpenError
- # ensure we're working with bytes
- data = to_bytes(data)
- # calculate aprox time that would be used to send the data
- time_used_to_send = 10.0*len(data) / self._baudrate
- # when a write timeout is configured check if we would be successful
- # (not sending anything, not even the part that would have time)
- if self._writeTimeout is not None and time_used_to_send > self._writeTimeout:
- time.sleep(self._writeTimeout) # must wait so that unit test succeeds
- raise writeTimeoutError
- self.buffer_lock.acquire()
- try:
- self.loop_buffer += data
- finally:
- self.buffer_lock.release()
- return len(data)
-
- def flushInput(self):
- """Clear input buffer, discarding all that is in the buffer."""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('flushInput()')
- self.buffer_lock.acquire()
- try:
- del self.loop_buffer[:]
- finally:
- self.buffer_lock.release()
-
- def flushOutput(self):
- """\
- Clear output buffer, aborting the current output and
- discarding all that is in the buffer.
- """
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('flushOutput()')
-
- def sendBreak(self, duration=0.25):
- """\
- Send break condition. Timed, returns to idle state after given
- duration.
- """
- if not self._isOpen: raise portNotOpenError
-
- def setBreak(self, level=True):
- """\
- Set break: Controls TXD. When active, to transmitting is
- possible.
- """
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('setBreak(%r)' % (level,))
-
- def setRTS(self, level=True):
- """Set terminal status line: Request To Send"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('setRTS(%r) -> state of CTS' % (level,))
- self.cts = level
-
- def setDTR(self, level=True):
- """Set terminal status line: Data Terminal Ready"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('setDTR(%r) -> state of DSR' % (level,))
- self.dsr = level
-
- def getCTS(self):
- """Read terminal status line: Clear To Send"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('getCTS() -> state of RTS (%r)' % (self.cts,))
- return self.cts
-
- def getDSR(self):
- """Read terminal status line: Data Set Ready"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('getDSR() -> state of DTR (%r)' % (self.dsr,))
- return self.dsr
-
- def getRI(self):
- """Read terminal status line: Ring Indicator"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('returning dummy for getRI()')
- return False
-
- def getCD(self):
- """Read terminal status line: Carrier Detect"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('returning dummy for getCD()')
- return True
-
- # - - - platform specific - - -
- # None so far
-
-
-# assemble Serial class with the platform specific implementation and the base
-# for file-like behavior. for Python 2.6 and newer, that provide the new I/O
-# library, derive from io.RawIOBase
-try:
- import io
-except ImportError:
- # classic version with our own file-like emulation
- class Serial(LoopbackSerial, FileLike):
- pass
-else:
- # io library present
- class Serial(LoopbackSerial, io.RawIOBase):
- pass
-
-
-# simple client test
-if __name__ == '__main__':
- import sys
- s = Serial('loop://')
- sys.stdout.write('%s\n' % s)
-
- sys.stdout.write("write...\n")
- s.write("hello\n")
- s.flush()
- sys.stdout.write("read: %s\n" % s.read(5))
-
- s.close()
diff --git a/scripts/serial/urlhandler/protocol_rfc2217.py b/scripts/serial/urlhandler/protocol_rfc2217.py
deleted file mode 100644
index 981ba45fea..0000000000
--- a/scripts/serial/urlhandler/protocol_rfc2217.py
+++ /dev/null
@@ -1,11 +0,0 @@
-#! python
-#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see ../__init__.py
-#
-# This is a thin wrapper to load the rfc2271 implementation.
-#
-# (C) 2011 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-
-from serial.rfc2217 import Serial
diff --git a/scripts/serial/urlhandler/protocol_socket.py b/scripts/serial/urlhandler/protocol_socket.py
deleted file mode 100644
index dc5992342c..0000000000
--- a/scripts/serial/urlhandler/protocol_socket.py
+++ /dev/null
@@ -1,291 +0,0 @@
-#! python
-#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
-# This module implements a simple socket based client.
-# It does not support changing any port parameters and will silently ignore any
-# requests to do so.
-#
-# The purpose of this module is that applications using pySerial can connect to
-# TCP/IP to serial port converters that do not support RFC 2217.
-#
-# (C) 2001-2011 Chris Liechti <cliechti at gmx.net>
-# this is distributed under a free software license, see license.txt
-#
-# URL format: socket://<host>:<port>[/option[/option...]]
-# options:
-# - "debug" print diagnostic messages
-
-from serial.serialutil import *
-import time
-import socket
-import select
-import logging
-
-# map log level names to constants. used in fromURL()
-LOGGER_LEVELS = {
- 'debug': logging.DEBUG,
- 'info': logging.INFO,
- 'warning': logging.WARNING,
- 'error': logging.ERROR,
- }
-
-POLL_TIMEOUT = 2
-
-class SocketSerial(SerialBase):
- """Serial port implementation for plain sockets."""
-
- BAUDRATES = (50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
- 9600, 19200, 38400, 57600, 115200)
-
- def open(self):
- """\
- Open port with current settings. This may throw a SerialException
- if the port cannot be opened.
- """
- self.logger = None
- if self._port is None:
- raise SerialException("Port must be configured before it can be used.")
- if self._isOpen:
- raise SerialException("Port is already open.")
- try:
- # XXX in future replace with create_connection (py >=2.6)
- self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- self._socket.connect(self.fromURL(self.portstr))
- except Exception, msg:
- self._socket = None
- raise SerialException("Could not open port %s: %s" % (self.portstr, msg))
-
- self._socket.settimeout(POLL_TIMEOUT) # used for write timeout support :/
-
- # not that there anything to configure...
- self._reconfigurePort()
- # all things set up get, now a clean start
- self._isOpen = True
- if not self._rtscts:
- self.setRTS(True)
- self.setDTR(True)
- self.flushInput()
- self.flushOutput()
-
- def _reconfigurePort(self):
- """\
- Set communication parameters on opened port. For the socket://
- protocol all settings are ignored!
- """
- if self._socket is None:
- raise SerialException("Can only operate on open ports")
- if self.logger:
- self.logger.info('ignored port configuration change')
-
- def close(self):
- """Close port"""
- if self._isOpen:
- if self._socket:
- try:
- self._socket.shutdown(socket.SHUT_RDWR)
- self._socket.close()
- except:
- # ignore errors.
- pass
- self._socket = None
- self._isOpen = False
- # in case of quick reconnects, give the server some time
- time.sleep(0.3)
-
- def makeDeviceName(self, port):
- raise SerialException("there is no sensible way to turn numbers into URLs")
-
- def fromURL(self, url):
- """extract host and port from an URL string"""
- if url.lower().startswith("socket://"): url = url[9:]
- try:
- # is there a "path" (our options)?
- if '/' in url:
- # cut away options
- url, options = url.split('/', 1)
- # process options now, directly altering self
- for option in options.split('/'):
- if '=' in option:
- option, value = option.split('=', 1)
- else:
- value = None
- if option == 'logging':
- logging.basicConfig() # XXX is that good to call it here?
- self.logger = logging.getLogger('pySerial.socket')
- self.logger.setLevel(LOGGER_LEVELS[value])
- self.logger.debug('enabled logging')
- else:
- raise ValueError('unknown option: %r' % (option,))
- # get host and port
- host, port = url.split(':', 1) # may raise ValueError because of unpacking
- port = int(port) # and this if it's not a number
- if not 0 <= port < 65536: raise ValueError("port not in range 0...65535")
- except ValueError, e:
- raise SerialException('expected a string in the form "[rfc2217://]<host>:<port>[/option[/option...]]": %s' % e)
- return (host, port)
-
- # - - - - - - - - - - - - - - - - - - - - - - - -
-
- def inWaiting(self):
- """Return the number of characters currently in the input buffer."""
- if not self._isOpen: raise portNotOpenError
- # Poll the socket to see if it is ready for reading.
- # If ready, at least one byte will be to read.
- lr, lw, lx = select.select([self._socket], [], [], 0)
- return len(lr)
-
- def read(self, size=1):
- """\
- Read size bytes from the serial port. If a timeout is set it may
- return less characters as requested. With no timeout it will block
- until the requested number of bytes is read.
- """
- if not self._isOpen: raise portNotOpenError
- data = bytearray()
- if self._timeout is not None:
- timeout = time.time() + self._timeout
- else:
- timeout = None
- while len(data) < size and (timeout is None or time.time() < timeout):
- try:
- # an implementation with internal buffer would be better
- # performing...
- t = time.time()
- block = self._socket.recv(size - len(data))
- duration = time.time() - t
- if block:
- data.extend(block)
- else:
- # no data -> EOF (connection probably closed)
- break
- except socket.timeout:
- # just need to get out of recv from time to time to check if
- # still alive
- continue
- except socket.error, e:
- # connection fails -> terminate loop
- raise SerialException('connection failed (%s)' % e)
- return bytes(data)
-
- def write(self, data):
- """\
- Output the given string over the serial port. Can block if the
- connection is blocked. May raise SerialException if the connection is
- closed.
- """
- if not self._isOpen: raise portNotOpenError
- try:
- self._socket.sendall(to_bytes(data))
- except socket.error, e:
- # XXX what exception if socket connection fails
- raise SerialException("socket connection failed: %s" % e)
- return len(data)
-
- def flushInput(self):
- """Clear input buffer, discarding all that is in the buffer."""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('ignored flushInput')
-
- def flushOutput(self):
- """\
- Clear output buffer, aborting the current output and
- discarding all that is in the buffer.
- """
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('ignored flushOutput')
-
- def sendBreak(self, duration=0.25):
- """\
- Send break condition. Timed, returns to idle state after given
- duration.
- """
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('ignored sendBreak(%r)' % (duration,))
-
- def setBreak(self, level=True):
- """Set break: Controls TXD. When active, to transmitting is
- possible."""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('ignored setBreak(%r)' % (level,))
-
- def setRTS(self, level=True):
- """Set terminal status line: Request To Send"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('ignored setRTS(%r)' % (level,))
-
- def setDTR(self, level=True):
- """Set terminal status line: Data Terminal Ready"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('ignored setDTR(%r)' % (level,))
-
- def getCTS(self):
- """Read terminal status line: Clear To Send"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('returning dummy for getCTS()')
- return True
-
- def getDSR(self):
- """Read terminal status line: Data Set Ready"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('returning dummy for getDSR()')
- return True
-
- def getRI(self):
- """Read terminal status line: Ring Indicator"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('returning dummy for getRI()')
- return False
-
- def getCD(self):
- """Read terminal status line: Carrier Detect"""
- if not self._isOpen: raise portNotOpenError
- if self.logger:
- self.logger.info('returning dummy for getCD()')
- return True
-
- # - - - platform specific - - -
-
- # works on Linux and probably all the other POSIX systems
- def fileno(self):
- """Get the file handle of the underlying socket for use with select"""
- return self._socket.fileno()
-
-
-# assemble Serial class with the platform specific implementation and the base
-# for file-like behavior. for Python 2.6 and newer, that provide the new I/O
-# library, derive from io.RawIOBase
-try:
- import io
-except ImportError:
- # classic version with our own file-like emulation
- class Serial(SocketSerial, FileLike):
- pass
-else:
- # io library present
- class Serial(SocketSerial, io.RawIOBase):
- pass
-
-
-# simple client test
-if __name__ == '__main__':
- import sys
- s = Serial('socket://localhost:7000')
- sys.stdout.write('%s\n' % s)
-
- sys.stdout.write("write...\n")
- s.write("hello\n")
- s.flush()
- sys.stdout.write("read: %s\n" % s.read(5))
-
- s.close()
--
2.30.2
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