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# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
# * contributor license agreements. See the NOTICE file distributed with
# * this work for additional information regarding copyright ownership.
# * The OpenAirInterface Software Alliance licenses this file to You under
# * the OAI Public License, Version 1.1 (the "License"); you may not use this file
# * except in compliance with the License.
# * You may obtain a copy of the License at
# *
# * http://www.openairinterface.org/?page_id=698
# *
# * Unless required by applicable law or agreed to in writing, software
# * distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
# *-------------------------------------------------------------------------------
# * For more information about the OpenAirInterface (OAI) Software Alliance:
# * contact@openairinterface.org
# */
#---------------------------------------------------------------------
#
# Required Python Version
# Python 3.x
#
#---------------------------------------------------------------------
#usage example:
#sudo python3 ci_ctl_qtel.py /dev/ttyUSB2 wup
#sudo python3 ci_ctl_qtel.py /dev/ttyUSB2 detach
import sys
import time
import serial
class qtel_ctl:
#---------------
#private methods
#---------------
def __init__(self, usb_port_at):
self.QUECTEL_USB_PORT_AT = usb_port_at #ex : '/dev/ttyUSB2'
self.modem = serial.Serial(self.QUECTEL_USB_PORT_AT, timeout=1)
self.cmd_dict= {"wup": self.wup,"detach":self.detach}#dictionary of function pointers
def __set_modem_state(self,ser,state):
self.__send_command(ser,"AT+CFUN={}\r".format(state))
def __send_command(self,ser,com):
ser.write(com.encode())
time.sleep(0.1)
ret=[]
while ser.inWaiting()>0:
print("waiting")
msg=ser.readline()
msg=msg.decode("utf-8")
msg=msg.replace("\r","")
msg=msg.replace("\n","")
print(msg)
if msg!="":
ret.append(msg)
else:
print("msg empty")
return ret
#--------------
#public methods
#--------------
def wup(self):#sending AT+CFUN=0, then AT+CFUN=1
self.__set_modem_state(self.modem,'0')
time.sleep(3)
self.__set_modem_state(self.modem,'1')
def detach(self):#sending AT+CFUN=0
self.__set_modem_state(self.modem,'0')
if __name__ == "__main__":
#argv[1] : usb port
#argv[2] : qtel command (see function pointers dict "wup", "detach" etc ...)
if len(sys.argv) >= 3:
command = sys.argv[2]
print(command)
Module=qtel_ctl(sys.argv[1])
#calling the function to be applied
Module.cmd_dict[command]()
print(Module.cmd_dict[command])
else:
print("To many arguments")