83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
__author__ = 'asc'
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from lib.sim900.gsm import SimGsm, SimGsmPinRequestState
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from lib.sim900.imei import SimImeiRetriever
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import serial
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import logging
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import sys
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def initializeUartPort(
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portName = "/dev/ttyAMA0",
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baudrate = 9600,
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bytesize = serial.EIGHTBITS,
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parity = serial.PARITY_NONE,
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stopbits = serial.STOPBITS_ONE,
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timeout = 0
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):
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port = serial.Serial()
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#tuning port object
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port.port = portName
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port.baudrate = baudrate
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port.bytesize = bytesize
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port.parity = parity
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port.stopbits = stopbits
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port.timeout = timeout
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return port
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def initializeLogs(loggerLevel, consoleLoggerLevel):
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#initializing logging formatter
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formatter = logging.Formatter('[%(asctime)s] %(levelname)s: %(message)s')
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#initializing logger
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logger = logging.getLogger(__name__)
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logger.setLevel(loggerLevel)
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#initializing console handler for logging
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consoleLogger = logging.StreamHandler(sys.stdout)
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consoleLogger.setLevel(consoleLoggerLevel)
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consoleLogger.setFormatter(formatter)
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#adding console appender
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logger.addHandler(consoleLogger)
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return (formatter, logger, consoleLogger,)
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def baseOperations(port, logger):
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#class for general functions
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gsm = SimGsm(port, logger)
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#opening COM port
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logger.info("opening port")
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if not gsm.openPort():
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logger.error("error opening port: {0}".format(gsm.errorText))
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return None
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#initializing session with SIM900
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logger.info("initializing SIM900 session")
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if not gsm.begin(5):
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logger.error("error initializing session: {0}".format(gsm.errorText))
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return None
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logger.debug("checking PIN state")
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if gsm.pinState != SimGsmPinRequestState.NOPINNEEDED:
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logger.debug("PIN needed, entering")
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if gsm.pinState == SimGsmPinRequestState.SIM_PIN:
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if not gsm.enterPin("1111"):
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logger.error("error entering PIN")
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else:
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logger.debug("PIN OK")
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#retrieving IMEI
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sim = SimImeiRetriever(port, logger)
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logger.info("retrieving IMEI")
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imei = sim.getIMEI()
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if imei is None:
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logger.error("error retrieving IMEI: {0}".format(sim.errorText))
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return None
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logger.info("IMEI = {0}".format(imei))
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return (gsm, imei) |