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# -*- coding: utf-8 -*-
# Copyright (C) 2006-2008 Vodafone España, S.A.
# Copyright (C) 2008-2009 Warp Networks, S.L.
# Author: Pablo Martí
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""AT Commands related classes and help functions"""
import re
from twisted.internet import defer
from wader.common.aterrors import ERROR_REGEXP
OK_REGEXP = re.compile("\r\n(?P<resp>OK)\r\n")
def build_cmd_dict(extract=OK_REGEXP, end=OK_REGEXP, error=ERROR_REGEXP):
"""Returns a dictionary ready to be used in `CMD_DICT`"""
for regexp in [extract, end, error]:
if isinstance(regexp, basestring):
regexp = re.compile(regexp)
if hasattr(regexp, 'search'):
pass
else:
raise ValueError("Don't know what to do with %r" % regexp)
return dict(extract=extract, end=end, error=error)
def get_cmd_dict_copy():
"""
Returns a copy of the `CMD_DICT` dictionary
Use this instead of importing it directly as you may forget to copy() it
"""
return CMD_DICT.copy()
CMD_DICT = {
'add_contact': build_cmd_dict(),
'cancel_ussd': build_cmd_dict(),
'change_pin': build_cmd_dict(),
'check_pin': build_cmd_dict(re.compile(r"""
\r\n
\+CPIN:\s
(?P<resp>
READY |
SIM\sPIN2? |
SIM\sPUK2?
)
\r\n""", re.X)),
'delete_contact': build_cmd_dict(),
'delete_sms': build_cmd_dict(),
'disable_echo': build_cmd_dict(),
'enable_echo': build_cmd_dict(),
'enable_radio': build_cmd_dict(),
'enable_pin': build_cmd_dict(),
'find_contacts': build_cmd_dict(re.compile(r"""
\r\n
\+CPBF:\s
(?P<id>\d+),
"(?P<number>[+0-9a-fA-F]+)",
(?P<category>\d+),
\"(?P<name>.*)\"
""", re.X)),
'get_apns': build_cmd_dict(re.compile(r"""
\r\n
\+CGDCONT:\s
(?P<index>\d+),
"[A-Za-z0-9]*",
"(?P<apn>.*)",
"(?P<ip>.*)",
\d,\d""", re.X)),
'get_apn_range': build_cmd_dict(re.compile(r"""
\r\n
\+CGDCONT:\s*\((?P<lo4>\d+)-(?P<hi4>\d+)\),
(?P<ip4>(?:"IP")|(?:"00490050"))(?P<ignored>.*)
""", re.X)),
'get_charsets': build_cmd_dict(re.compile('"(?P<lang>.*?)",?')),
'get_contact': build_cmd_dict(re.compile(r"""
\r\n
\+CPBR:\s(?P<id>\d+),
"(?P<number>[+0-9a-fA-F]+)",
(?P<cat>\d+),
"(?P<name>.*)"
(?P<ignored>,.*)?
\r\n""", re.X)),
'list_contacts': build_cmd_dict(
end=re.compile('(\r\n)?\r\n(OK)\r\n'),
extract=re.compile(r"""
\r\n
\+CPBR:\s(?P<id>\d+),
"(?P<number>[+0-9a-fA-F]+)",
(?P<cat>\d+),
"(?P<name>.*)"
""", re.X)),
'get_card_version': build_cmd_dict(re.compile(
'\r\n(\+C?GMR:)?(?P<version>.*)\r\n\r\nOK\r\n')),
'get_card_model': build_cmd_dict(re.compile(
'\r\n(?P<model>.*)\r\n\r\nOK\r\n')),
'get_charset': build_cmd_dict(re.compile(
'\r\n\+CSCS:\s"(?P<lang>.*)"\r\n')),
'get_esn': build_cmd_dict(re.compile('\r\n\+ESN:\s"(?P<esn>.*)"\r\n')),
'get_manufacturer_name': build_cmd_dict(re.compile(
'\r\n(?P<name>.*)\r\n\r\nOK\r\n')),
'get_imei': build_cmd_dict(re.compile("\r\n(?P<imei>\d+)\r\n")),
'get_imsi': build_cmd_dict(re.compile('\r\n(?P<imsi>\d+)\r\n')),
'get_netreg_status': build_cmd_dict(re.compile(r"""
\r\n
\+CREG:\s
(?P<mode>\d),(?P<status>\d+)
(,[0-9a-fA-F]*,[0-9a-fA-F]*)?
\r\n
""", re.X)),
'get_network_info': build_cmd_dict(re.compile(r"""
\r\n
\+COPS:\s+
(\d,\d, # or followed by num,num,str,num
"(?P<netname>[^"]*)",
(?P<status>\d)
|(?P<error>\d)
) # end of group
\r\n""", re.X)),
'get_network_names': build_cmd_dict(re.compile(r"""
\(
(?P<id>\d+),
"(?P<lname>[^"]*)",
"(?P<sname>[^"]*)",
"(?P<netid>\d+)",
(?P<type>\d)
\),?""", re.X),
end=re.compile('\r\n\r\nOK\r\n')),
'get_signal_quality': build_cmd_dict(re.compile(r"""
\r\n
\+CSQ:\s(?P<rssi>\d+),(?P<ber>\d+)
\r\n""", re.X)),
'get_sms_format': build_cmd_dict(
re.compile('\r\n\+CMGF:\s(?P<format>\d)\r\n')),
'get_phonebook_size': build_cmd_dict(re.compile(r"""
\r\n
\+CPBR:\s
\(\d\-(?P<size>\d+)\)(?:,\d+)*
\r\n""", re.X)),
'get_pin_status': build_cmd_dict(
re.compile('\r\n\+CLCK:\s(?P<status>\d)\r\n')),
'get_radio_status': build_cmd_dict(
re.compile("\r\n\+CFUN:\s?(?P<status>\d)\r\n")),
'get_roaming_ids': build_cmd_dict(re.compile(r"""
\r\n
\+CPOL:\s(?P<index>\d+),
(?P<type>\d),
"(?P<netid>\d+)"
(?P<ignored>,.*)?
""", re.X)),
'list_sms': build_cmd_dict(re.compile(r"""
\r\n
\+CMGL:\s
(?P<id>\d+),
(?P<where>\d),,\d+
\r\n(?P<pdu>\w+)""", re.X)),
'get_sms': build_cmd_dict(re.compile(r"""
\r\n
\+CMGR:\s
(?P<where>\d),,
\d+\r\n
(?P<pdu>\w+)
\r\n""", re.X)),
'get_smsc': build_cmd_dict(re.compile(
'\r\n\+CSCA:\s"(?P<smsc>.*)",\d+\r\n')),
'register_with_netid': build_cmd_dict(),
'reset_settings': build_cmd_dict(),
'save_sms': build_cmd_dict(re.compile('\r\n\+CMGW:\s(?P<index>\d+)\r\n')),
'send_at': build_cmd_dict(),
'send_sms': build_cmd_dict(re.compile(
'\r\n\+CMGS:\s(?P<index>\d+)\r\n')),
'send_sms_from_storage': build_cmd_dict(re.compile(
'\r\n\+CMSS:\s(?P<index>\d+)\r\n')),
'send_pin': build_cmd_dict(),
'send_puk': build_cmd_dict(),
'send_ussd': build_cmd_dict(re.compile("""
\r\n\+CUSD:\s
(?P<index>\d)
(?:,"(?P<resp>.*)")?
(?:,(?P<code>\d+))?
\r\n""", re.X),
re.compile('\r\n\+CUSD:\s\d(?:,".*")?(?:,\d+)?\r\n')),
'set_apn': build_cmd_dict(),
'set_charset': build_cmd_dict(),
'set_error_level': build_cmd_dict(),
'set_netreg_notification': build_cmd_dict(),
'set_network_info_format': build_cmd_dict(),
'set_sms_indication': build_cmd_dict(),
'set_sms_format': build_cmd_dict(),
'set_smsc': build_cmd_dict(),
# r'CRSM:\s(?P<sw1>\d+),(?P<sw2>\d+)(?:,"?(?P<response>[0-9A-Fa-f]*)"?)?'
'sim_access_restricted': build_cmd_dict(re.compile(r"""
\r\n
\+CRSM:\s
(?P<sw1>\d+),
(?P<sw2>\d+)
(?:,"?
(?P<response>[0-9A-Fa-f]*)
"?)?
\r\n""", re.X)),
}
class ATCmd(object):
"""I encapsulate all the data related to an AT command"""
def __init__(self, cmd, name=None, eol='\r\n', nolog=tuple()):
self.cmd = cmd
self.name = name
self.eol = eol
self.nolog = nolog
# Some commands like sending a sms require an special handling this
# is because we have to wait till we receive a prompt like '\r\n> '
# if splitcmd is set, the second part will be send 0.1 seconds later
self.splitcmd = None
# command's deferred
self.deferred = defer.Deferred()
self.timeout = 15 # default timeout
self.call_id = None # DelayedCall reference
def __repr__(self):
args = (self.name, self.get_cmd(), self.timeout)
return "<ATCmd name: %s raw: %r timeout: %d>" % args
def get_cmd(self):
"""Returns the raw AT command plus EOL"""
cmd = self.cmd + self.eol
return str(cmd)
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