# * 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 ...) command = sys.argv[2] Module=qtel_ctl(sys.argv[1]) #calling the function to be applied Module.cmd_dict[command]()