Commit 661b1db7 authored by Rohit Gupta's avatar Rohit Gupta
Browse files

added support for Huawei E398

parent 7e41fc86
......@@ -131,6 +131,7 @@ def start_ue () :
ip = IPRoute()
idx = ip.link_lookup(ifname=iface)[0]
os.system ('route add ' + gw + ' ppp0')
os.system('sleep 5')
os.system ('ping ' + gw)
break
except Exception, e:
......
#!/usr/bin/python
import time
import serial
import os
from pyroute2 import IPRoute
import sys
import re
import threading
import signal
import traceback
import os
import commands
# configure the serial connections (the parameters differs on the device you are connecting to)
#First we find an open port to work with
serial_port=''
ser=serial.Serial()
openair_dir = os.environ.get('OPENAIR_DIR')
if openair_dir == None:
print "Error getting OPENAIR_DIR environment variable"
sys.exit(1)
sys.path.append(os.path.expandvars('$OPENAIR_DIR/cmake_targets/autotests/tools/'))
from lib_autotest import *
def find_open_port():
global serial_port, ser
max_ports=100
if os.path.exists(serial_port) == True:
return serial_port
for port in range(0,100):
serial_port = '/dev/ttyUSB'+str(port)
if os.path.exists(serial_port) == True:
print 'New Serial Port : ' + serial_port
break
ser = serial.Serial(port=serial_port)
return
#serial_port = '/dev/ttyUSB2'
bandrich_ppd_config = os.environ.get('OPENAIR_DIR') + '/cmake_targets/autotests/tools/wdial.bandrich.conf'
exit_flag=0
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
print('Resetting the UE to detached state')
timeout=10
exit_flag=1
send_command('AT+CGATT=0' , 'OK' , timeout)
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
#ser.open()
#ser.isOpen()
class pppThread (threading.Thread):
def __init__(self, threadID, name, counter):
threading.Thread.__init__(self)
self.threadID = threadID
self.name = name
self.counter = counter
def run(self):
print "Starting " + self.name
#Here we keep running pppd thread in indefinite loop as this script terminates sometimes
#while 1:
while 1:
time.sleep(5) #Hard coded, do not reduce this number!
print "Starting wvdial now..."
print 'exit_flag = ' + str(exit_flag)
send_command('AT+CGATT=1','OK', 300)
os.system('wvdial -C ' + bandrich_ppd_config + '' )
if exit_flag == 1:
print "Exit flag set to true. Exiting pppThread now"
print "Terminating wvdial now..."
def send_command (cmd, response, timeout):
count=0
sleep_duration = 1
print 'In function: send_command: cmd = <' + cmd + '> response: <' + response + '> \n'
global serial_port, ser
while count <= timeout:
try:
#Sometimes the port does not exist coz of reset in modem.
#In that case, we need to search for this port again
if os.path.exists(serial_port) == False:
find_open_port()
ser.write (cmd + '\r\n')
out = ''
time.sleep(sleep_duration)
count = count + sleep_duration
while ser.inWaiting() > 0:
out += ser.read(1)
print 'out = <' + out + '> response = <' + response + '> \n'
if re.search(response, out):
break
except Exception, e:
error = ' cmd : ' + cmd + ' response : ' + response
error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: ' + str(e.__class__) + " : " + str( e)
error = error + traceback.format_exc()
print error
def start_ue () :
#print 'Enter your commands below.\r\nInsert "exit" to leave the application.'
timeout=60 #timeout in seconds
send_command('AT', 'OK' , timeout)
#send_command('AT+CFUN=1' , 'OK' , timeout)
#send_command('AT+CGATT=0' , 'OK' , timeout)
send_command('AT+CGATT=1','OK', 300)
#os.system('wvdial -C ' + bandrich_ppd_config + ' &' )
thread_ppp = pppThread(1, "ppp_thread", 1)
thread_ppp.start()
iface='ppp0'
while 1:
time.sleep ( 2)
#Now we check if ppp0 interface is up and running
try:
if exit_flag == 1:
break
ip = IPRoute()
idx = ip.link_lookup(ifname=iface)[0]
os.system ('route add ' + gw + ' ppp0')
os.system('sleep 5')
os.system ('ping ' + gw)
break
except Exception, e:
error = ' Interface ' + iface + 'does not exist...'
error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: ' + str(e.__class__) + " : " + str( e)
error = error + traceback.format_exc()
print error
thread_ppp.join()
def stop_ue():
timeout=60
os.system('killall wvdial')
send_command('AT', 'OK' , timeout)
send_command('AT+CGATT=0' , 'OK|ERROR' , timeout)
#send_command('AT+CFUN=4' , 'OK' , timeout)
#reset the USB BUS of Bandrich UE
def reset_ue():
stringIdBandrich='Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard'
status, out = commands.getstatusoutput('lsusb | grep -i \'' + stringIdBandrich + '\'')
if (out == '') :
print "Bandrich 4G LTE Adapter not found. Exiting now..."
sys.exit()
p=re.compile('Bus\s*(\w+)\s*Device\s*(\w+):\s*ID\s*(\w+):(\w+)')
res=p.findall(out)
BusId=res[0][0]
DeviceId=res[0][1]
VendorId=res[0][2]
ProductId=res[0][3]
usb_dir= find_usb_path(VendorId, ProductId)
print "Bandrich 4G LTE Adapter found in..." + usb_dir
cmd = "sudo sh -c \"echo 0 > " + usb_dir + "/authorized\""
os.system(cmd + " ; sleep 15" )
cmd = "sudo sh -c \"echo 1 > " + usb_dir + "/authorized\""
os.system(cmd + " ; sleep 30" )
i=1
gw='192.172.0.1'
while i < len(sys.argv):
arg=sys.argv[i]
if arg == '--start-ue' :
find_open_port()
print 'Using Serial port : ' + serial_port
start_ue()
elif arg == '--stop-ue' :
find_open_port()
print 'Using Serial port : ' + serial_port
stop_ue()
elif arg == '--reset-ue' :
reset_ue()
elif arg == '-gw' :
gw = sys.argv[i+1]
i=i+1
elif arg == '-h' :
print "--reset-ue: Reset the UE on USB Bus. Similar to unplugging and plugging the UE"
print "--stop-ue: Stop the UE. Send DETACH command"
print "--start-ue: Start the UE. Send ATTACH command"
print "-gw: Specify the default gw as sometimes the gateway/route arguments are not set properly via wvdial"
else :
print " Script called with wrong arguments, arg = " + arg
sys.exit()
i = i +1
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