def __init__(self,
device_name=None,
baud_rate='9600',
chatscript_file=None,
event=Event()):
super(Modem, self).__init__(device_name=device_name,
baud_rate=baud_rate,
event=event)
self.carrier = None
self.serial_port = None
self.timeout = Modem.DEFAULT_SERIAL_TIMEOUT
self.response = []
self._at_sockets_available = False
self.urc_state = Modem.SOCKET_INIT
self.last_location = None
self.last_send_response = None
self._socket_receive_buffer = deque()
self.socket_identifier = 0
self.last_read_payload_length = 0
self.last_sim_otp_command_response = None
self.result = ModemResult.OK
self.debug_out = ''
self.gsm = u"@£$¥èéùìòÇ\nØø\rÅåΔ_ΦΓΛΩΠΨΣΘΞ ÆæßÉ !\"#¤%&'()*+,-./0123456789:;<=>?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑܧ¿abcdefghijklmnopqrstuvwxyzäöñüà"
self.in_ext = False
self.ext = {
0x40: u'|',
0x14: u'^',
0x65: u'€',
0x28: u'{',
0x29: u'}',
0x3C: u'[',
0x3D: u'~',
0x3E: u']',
0x2F: u'\\',
}
if device_name is None:
devices = self.detect_usable_serial_port()
if not devices:
raise SerialError('Unable to detect a usable serial port')
self.device_name = devices[0]
if chatscript_file is None:
# Get the absolute path of the chatscript file.
self.chatscript_file = os.path.dirname(
__file__) + DEFAULT_CHATSCRIPT_PATH
else:
self.chatscript_file = chatscript_file
self.logger.info('chatscript file: %s', self.chatscript_file)
# This serial mode device name/port will always be equivalent to whatever the
# default port is for the specific modem.
self._mode = None
self.initialize_serial_interface()
self.logger.info('Instantiated a %s interface with device name of %s',
self.__repr__(), self.device_name)
def _check_registered_helper(cmd, result):
r = ''
if isinstance(result, list):
# If more than one response is provided, assume that only
# the last response is of interest and that the
# rest are uncaught URCs that we should disregard.
if len(result) > 0:
r = result[-1]
else:
raise SerialError('Internal error: input cannot be an empty list')
else:
r = result
response_list = r.lstrip(cmd).lstrip(': ').split(',')
if len(response_list) < 2:
raise SerialError('Unable to parse registration URC response')
regstatus = int(response_list[1])
# 1: registered home network
# 5: registered roaming
return regstatus == 1 or regstatus == 5
def connect(self, timeout=DEFAULT_NOVA_TIMEOUT):
success = super(Nova, self).connect(timeout)
# put serial mode on other port
if success is True:
# detect another open serial port to use for PPP
devices = self.detect_usable_serial_port()
if not devices:
raise SerialError('Not enough serial ports detected for Nova')
self.device_name = devices[0]
super(Nova, self).initialize_serial_interface()
return success
def send_message(self, data, timeout=DEFAULT_SEND_TIMEOUT):
self.urc_state = Modem.SOCKET_INIT
self.write_socket(data)
loop_timeout = Timeout(timeout)
while self.urc_state != Modem.SOCKET_SEND_READ:
self.checkURC()
if self.urc_state != Modem.SOCKET_SEND_READ:
if loop_timeout.expired():
raise SerialError('Timeout occurred waiting for message status')
time.sleep(self._RETRY_DELAY)
elif self.urc_state == Modem.SOCKET_CLOSED:
return '[1,0]' #this is connection closed for hologram cloud response
return self.read_socket()
def _initialize_device_name(self, device_name):
if device_name is None:
devices = self.detect_usable_serial_port()
if not devices:
raise SerialError('Unable to detect a usable serial port')
self.device_name = devices[0]
