def device_inquiry_with_with_rssi(sock):
# save current filter
old_filter = sock.getsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, flt)
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
results = []
while True:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
print("Event: {}".format(event))
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1 + 13 * nrsp + i]))
results.append((addr, rssi))
print("[{}] RSSI: {}".format(addr, rssi))
rssi = (pkt[-1])
print(addr, rssi)
elif event == bluez.EVT_INQUIRY_COMPLETE:
break
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status:
print("Uh oh...")
printpacket(pkt[3:7])
break
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
results.append((addr, -1))
print("[{}] (no RRSI)".format(addr))
rssi = (pkt[-1])
print(addr, rssi)
else:
print("Unrecognized packet type 0x{:02x}.".format(ptype))
# restore old filter
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, old_filter)
return results
def fetch_rssi(socket, bdaddr):
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
socket.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
cmd_pkt = struct.pack("????")
bluez.hci_send_cmd(socket, bluez.OGF_LINK_CTL, bluez.OCF_READ_RSSI, cmd_pkt)
pkt = socket.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
results.append( ( addr, rssi ) )
print("[%s] RSSI: [%d]" % (addr, rssi))
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
results.append( ( addr, -1 ) )
print("[%s] (no RRSI)" % addr)
else:
print("unrecognized packet type 0x%02x" % ptype)
print("event ", event)
def _device_inquiry_with_with_rssi(self, sock):
"""inquiry blutooth devices with rssi"""
# save current filter
old_filter = sock.getsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, flt)
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration,
max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY,
cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1 + 13 * nrsp + i]))
results.append(
(addr, rssi, str(datetime.datetime.utcnow())))
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
self._print_packet(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
results.append((addr, -1, str(datetime.datetime.utcnow())))
else:
print("unrecognized packet type 0x%02x" % ptype)
# restore old filter
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, old_filter)
return results
def device_inquiry_with_with_rssi(sock):
# save current filter
old_filter = sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
name = bluetooth.lookup_name( addr )
results.append( ( addr, rssi, name) )
print("[%s] RSSI: [%d] NAME: [%s]" % (addr, rssi, name))
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
results.append( ( addr, -1 ) )
print("[%s] (no RRSI)" % addr)
else:
if(testing): print("unrecognized packet type 0x%02x" % ptype)
if(testing): print("event ", event)
# restore old filter
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, old_filter )
return results
def device_inquiry_with_with_rssi(sock):
# save current filter
old_filter = sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
#filter
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
#send command
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
results.append( ( addr, rssi ) )# store rssi and mac
print("[%s] RSSI: [%d]" % (addr, rssi))
elif event == bluez.EVT_INQUIRY_COMPLETE:
#scanning complete
done = True
def get_rssis(addrs):
try:
sock = bt.hci_open_dev()
except:
print("error accessing bluetooth device...")
sys.exit(1)
try:
mode = read_inquiry_mode(sock)
except Exception as e:
print("error reading inquiry mode. ")
print("Are you sure this a bluetooth 1.2 device?")
print(e)
sys.exit(1)
if mode != 1:
try:
result = write_inquiry_mode(sock, 1)
except Exception as e:
print("error writing inquiry mode. Are you sure you're root?")
print(e)
sys.exit(1)
if result != 0:
print("error while setting inquiry mode")
# save current filter
old_filter = sock.getsockopt(bt.SOL_HCI, bt.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bt should flush its cache of
# previously discovered devices
flt = bt.hci_filter_new()
bt.hci_filter_all_events(flt)
bt.hci_filter_set_ptype(flt, bt.HCI_EVENT_PKT)
sock.setsockopt(bt.SOL_HCI, bt.HCI_FILTER, flt)
while True:
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration,
max_responses)
bt.hci_send_cmd(sock, bt.OGF_LINK_CTL, bt.OCF_INQUIRY, cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bt.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bt.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
if addr in addrs:
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1 + 13 * nrsp + i]))
yield (addr, rssi)
elif event == bt.EVT_INQUIRY_COMPLETE:
done = True
elif event == bt.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
sock.setsockopt(bt.SOL_HCI, bt.HCI_FILTER, old_filter)
sys.exit(1)
# restore old filter
sock.setsockopt(bt.SOL_HCI, bt.HCI_FILTER, old_filter)
def device_inquiry_with_with_rssi(sock):
# save current filter
old_filter = sock.getsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, flt)
duration = 1
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
while True:
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY,
cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1 + 13 * nrsp + i]))
# results.append( ( addr, rssi ) )
if "98:00" in str(addr) or "30:6A" in str(
addr) or 'D4' in str(addr):
print("[%s] RSSI: [%d]" % (addr, rssi))
#send request to server
#serialize json
params = {'id': id, 'address': addr, 'rssi': rssi}
a = requests.post(
'http://76339ea5.ngrok.io/read_points',
json=params,
headers={'Connection': 'close'})
requests.map([a])
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
results.append((addr, -1))
print("[%s] (no RRSI)" % addr)
else:
print("unrecognized packet type 0x%02x" % ptype)
# restore old filter
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, old_filter)
return results
def device_inquiry_with_with_rssi(self, sock):
# save current filter
old_filter = sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
duration = 1
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
results.append( ( addr, rssi ) )
#print("[%s] RSSI: [%d]" % (addr, rssi))
# If we found the target device print it
if addr == self.target_Address:
print("Found The Target: [%s] " % (addr))
print("Target's RSSI : [%s] " % (rssi))
# Set the RSSI if we have our target
# Set that we found it as well.
# Then break out, since we do not need
# to search any more.
self.setRSSI(rssi)
self.setFoundDevice(True)
break
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
results.append( ( addr, -1 ) )
print("[%s] (no RRSI)" % addr)
else:
print("unrecognized packet type 0x%02x" % ptype)
self.printpacket(pkt)
# print("event ", event)
# restore old filter
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, old_filter )
return results
def device_inquiry_with_with_rssi(sock):
global Send_Flag
#Get GPS Coordinate
report = session.next()
# save current filter
old_filter = sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
results.append( ( addr, rssi ) )
#Compare device addr is connected device
if addr == dev_addr:
power = (abs(rssi)-59)/(10*2.0)
meter = pow(10, power)
print("[%s] RSSI: [%d]" % (addr, rssi))
print("Distance: [%.2f]" % meter)
if meter > 0.5:
#buzzer warning
GPIO.output(23, GPIO.HIGH)
time.sleep(1)
GPIO.output(23, GPIO.LOW)
time.sleep(1)
#change GPS coordinate
loc = wgs2bd(report.lat,report.lon)
#Send GPS Info E-mail
if os.path.exists('/home/pi/MarkPoint.html'):
Send_Flag = 0
else:
Send_Flag = 1
#Generate HTML File
generate(loc[0],loc[1])
if Send_Flag:
Send_Flag = 0
yag = yagmail.SMTP(user = '******', password = '******', host = 'smtp.qq.com')
yag.send(to = [mail_addr],subject = 'GPS Map',contents = ['GPS Coordinate','/home/pi/MarkPoint.html'])
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
results.append( ( addr, -1 ) )
print("[%s] (no RRSI)" % addr)
#else:
# print("unrecognized packet type 0x%02x" % ptype)
#print("event ", event)
# restore old filter
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, old_filter )
return results
def device_inquiry_with_with_rssi(sock, show_name=False, show_extra_info=False, color=True, ret_table=False):
global LOADING_HANDLER
# save current filter
old_filter = sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
duration = 1
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
# TODO Optimize code for performance
# update the global device name dictionary before sending hci cmd(which changes mode)
headers =["Name", "MAC Address", "RSSI"]
data = []
results = []
if show_extra_info or show_name:
devices = bluetooth.discover_devices(lookup_names=True, lookup_class=True)
if show_name:
update_dict = {i[0]: i[1] for i in devices}
NAME_DICT.update(update_dict)
if show_extra_info:
update_dict = {i[0]: i[2] for i in devices}
CLASS_DICT.update(update_dict)
headers.extend(["Major Dev Class", "Minor Dev Class", "Services"])
populate_info_dict()
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
# get human readable addr
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
# retrieve device name, or assign address as name
try:
name = NAME_DICT[addr]
except:
name = addr
results.append( ( addr, rssi, name ) )
if color:
data.append([name, addr, rssi_to_colour_str(rssi)])
else:
data.append([name, addr, rssi])
if show_extra_info:
extra_info = get_device_extra(addr)
# extend last data list with extra info
data[-1].extend(extra_info)
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
results.append( ( addr, -1 , "UNK") )
print("[%s] (no RRSI)" % addr)
else:
logging.debug("unrecognized packet type 0x%02x" % ptype)
logging.debug("event %s", event)
# restore old filter
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, old_filter )
# if ordered to return a table by analyze_all, ignore other sequence
if ret_table:
if len(results) < 1:
return ( (None, headers ))
return( (data, headers) )
else:
# print all the data at once since blessings clears the screen just before
if len(results)>= 1:
# terminate concurrent loading handler
if bool(LOADING_HANDLER):
LOADING_HANDLER.terminate()
show_header("BLUETOOTH")
print(tabulate(data, headers=headers, disable_numparse=True))
else:
# LOADING_HANDLER = spin(before="Searching",
# after="\nNo devices found in nearby range")
LOADING_HANDLER.terminate()
LOADING_HANDLER = spin(before="No BT devices in nearby range")
return results
def device_inquiry(sock, cycle_period, hash_addrs, log_out, device_queue):
# save current filter
old_filter = sock.getsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
filtr = bluez.hci_filter_new()
bluez.hci_filter_all_events(filtr)
bluez.hci_filter_set_ptype(filtr, bluez.HCI_EVENT_PKT)
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, filtr)
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, int(cycle_period / 1.25),
max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
#While still scanning
done = False
while not done:
sock.settimeout(5)
try:
pkt = sock.recv(255)
except:
break
ptype, event, plen = struct.unpack("BBB", pkt[:3])
#Enquiry result with rssi
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
if (hash_addrs):
addr = hashlib.sha224(addr.replace(":", "")).hexdigest()
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1 + 13 * nrsp + i]))
register_device(addr, rssi, log_out, device_queue)
#Enquiry result without rssi
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1 + 6 * i:1 + 6 * i + 6])
if (hash_addrs):
addr = hashlib.sha224(addr.replace(":", "")).hexdigest()
register_device(addr, None, log_out, device_queue)
#On finish
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
#Status update?
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
done = True
# restore old filter
sock.setsockopt(bluez.SOL_HCI, bluez.HCI_FILTER, old_filter)
return
def device_inquiry_with_with_rssi(self, sock,verbose=False):
# save current filter
old_filter = sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
# perform a device inquiry on bluetooth device #0
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, self.duration, self.max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
results = []
done = False
while not done:
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1+13*nrsp+i]))
devclass_raw = struct.unpack ("BBB",
pkt[1+8*nrsp+3*i:1+8*nrsp+3*i+3])
devclass = (devclass_raw[2] << 16) | \
(devclass_raw[1] << 8) | \
devclass_raw[0]
try:
name = bluetooth.lookup_name(addr)
except:
name = 'unknown'
time = datetime.datetime.now().isoformat()
results.append( [time, addr, name, rssi, devclass] )
if verbose:
print("%s,%s,%s,%s,%s" % (time,addr,name, rssi, devclass))
elif event == bluez.EVT_INQUIRY_COMPLETE:
done = True
elif event == bluez.EVT_CMD_STATUS:
status, ncmd, opcode = struct.unpack("BBH", pkt[3:7])
if status != 0:
print("uh oh...")
printpacket(pkt[3:7])
done = True
elif event == bluez.EVT_INQUIRY_RESULT:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str( pkt[1+6*i:1+6*i+6] )
results.append( ( addr, -1 ) )
if verbose:
print("[%s] (no RRSI)" % addr)
else:
print("unrecognized packet type 0x%02x" % ptype)
if verbose:
print("event ", event)
# restore old filter
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, old_filter )
return results
try:
sock = bluez.hci_open_dev(dev_id)
except:
print('Error accessing bluetooth device.')
sys.exit(1)
pkt = sock.recv(255)
ptype, event, plen = struct.unpack("BBB", pkt[:3])
print("Event: {}".format(event))
if event == bluez.EVT_INQUIRY_RESULT_WITH_RSSI:
pkt = pkt[3:]
nrsp = bluetooth.get_byte(pkt[0])
for i in range(nrsp):
addr = bluez.ba2str(pkt[1+6*i:1+6*i+6])
rssi = bluetooth.byte_to_signed_int(
bluetooth.get_byte(pkt[1 + 13 * nrsp + i]))
results.append((addr, rssi))
print("[{}] RSSI: {}".format(addr, rssi))
# https://github.com/pybluez/pybluez/blob/d7f36702bba2abc8ea41977b2eea56a17431ac6d/examples/advanced/inquiry-with-rssi.py#L18
# https://www.icode9.com/content-1-572771.
# https://www.cnblogs.com/wuyida/archive/2013/03/27/6300007.html
# https://github.com/ewenchou/bluetooth-proximity/blob/master/bt_proximity/bt_rssi.py
# The inquiry should last 8 * 1.28 = 10.24 seconds
# before the inquiry is performed, bluez should flush its cache of
# previously discovered devices
flt = bluez.hci_filter_new()
bluez.hci_filter_all_events(flt)
bluez.hci_filter_set_ptype(flt, bluez.HCI_EVENT_PKT)
sock.setsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, flt )
duration = 4
max_responses = 255
cmd_pkt = struct.pack("BBBBB", 0x33, 0x8b, 0x9e, duration, max_responses)
bluez.hci_send_cmd(sock, bluez.OGF_LINK_CTL, bluez.OCF_INQUIRY, cmd_pkt)
nearby_devices = bluetooth.discover_devices()
for bdaddr in nearby_devices:
#if target_name == bluetooth.lookup_name( bdaddr ):
#target_address = bdaddr
#break
pkt = sock.recv(255)
rssi = bluetooth.byte_to_signed_int(bluetooth.get_byte(pkt[1+13*nrsp+i]))
print bdaddr
#if target_address is not None:
#print "found target bluetooth device with address ", target_address
#else:
#print "could not find target bluetooth device nearby"