Commit 1b6407d7 authored by Rohit Gupta's avatar Rohit Gupta
Browse files

fixes to reset USB bus for bandrich UE

parent c2e58bcf
This diff is collapsed.
......@@ -10,6 +10,7 @@ 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
......@@ -34,8 +35,7 @@ def find_open_port():
ser = serial.Serial(port=serial_port)
return
find_open_port()
print 'Using Serial port : ' + serial_port
#serial_port = '/dev/ttyUSB2'
bandrich_ppd_config = os.environ.get('OPENAIR_DIR') + '/cmake_targets/autotests/tools/wdial.bandrich.conf'
......@@ -144,11 +144,63 @@ def stop_ue():
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='BandRich, Inc. 4G LTE adapter'
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 usb_dir
cmd = "sudo sh -c \"echo 0 > " + usb_dir + "/authorized\""
os.system(cmd + " ; sleep 5" )
cmd = "sudo sh -c \"echo 1 > " + usb_dir + "/authorized\""
os.system(cmd + " ; sleep 5" )
def read_file(filename):
try:
file = open(filename, 'r')
return file.read()
except Exception, e:
#error = ' Filename ' + filename
#error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: ' + str(e.__class__) + " : " + str( e)
#error = error + traceback.format_exc()
#print error
return ''
def find_usb_path(idVendor, idProduct):
for root, dirs, files in os.walk("/sys/bus/usb/devices", topdown=False):
for name in dirs:
tmpdir= os.path.join(root, name)
tmpidVendor = read_file(tmpdir+'/idVendor').replace("\n","")
tmpidProduct = read_file(tmpdir+'/idProduct').replace("\n","")
#print "tmpdir = " + tmpdir + " tmpidVendor = " + tmpidVendor + " tmpidProduct = " + tmpidProduct
if tmpidVendor == idVendor and tmpidProduct == idProduct:
return tmpdir
return ''
for arg in sys.argv[1:]:
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()
else :
print " Script called with wrong arguments, arg = " + arg
sys.exit()
#!/bin/bash
#arg1 idVendor
#arg2 idProduct
argIdVendor=$1
argIdProduct=$2
echo $1
echo $2
for X in /sys/bus/usb/devices/*; do
#echo "$X"
idVendor=`cat "$X/idVendor" 2>/dev/null`
idProduct=`cat "$X/idProduct" 2>/dev/null`
if [ "$argIdVendor" == "$idVendor" ] && [ "$argIdProduct" == "$idProduct" ]
then
echo "$X"
fi
done
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