def readTilt(cache):
dev_id = 0
while True:
try:
logTilt("Starting Bluetooth connection")
sock = bluez.hci_open_dev(dev_id)
blescan.hci_le_set_scan_parameters(sock)
blescan.hci_enable_le_scan(sock)
while True:
beacons = distinct(blescan.parse_events(sock, 10))
for beacon in beacons:
if beacon['uuid'] in list(TILTS.keys()):
cache[TILTS[beacon['uuid']]] = {
'Temp': beacon['major'],
'Gravity': beacon['minor']
}
#logTilt("Tilt data received: Temp %s Gravity %s" % (beacon['major'], beacon['minor']))
time.sleep(4)
except Exception as e:
logTilt("Error starting Bluetooth device, exception: %s" % str(e))
logTilt("Restarting Bluetooth process in 10 seconds")
time.sleep(10)
def perform_scan(dev_id = SCAN_DEVICE):
sock = bluez.hci_open_dev(dev_id)
mode = read_inquiry_mode(sock)
if mode != 1:
write_inquiry_mode(sock, 1)
names = {}
for line in bluetooth.discover_devices(duration=5, lookup_names=True, device_id = dev_id):
names[line[0].lower()] = line[1]
devices = {}
for line in device_inquiry_with_with_rssi(sock):
addr = line[0].lower()
rssi = line[1]
if addr in devices:
devices[addr].append(rssi)
else:
devices[addr] = [rssi]
result = {}
for addr in names:
name = names[addr]
if addr not in devices:
continue
rssis = devices[addr];
result[addr] = [name, sum(rssis) / len(rssis)]
return result
def monitor(opts, dev_id=0):
mqtt_config = {
'server': opts.mqttserver,
'port': opts.mqttport if opts.mqttport else PORT,
'topic_prefix': opts.mqtttopic if opts.mqtttopic else TOPIC_PREFIX
}
try:
sock = bluez.hci_open_dev(dev_id)
except:
print("FATAL: Can't access bluetooth device...")
sys.exit(1)
hci_le_set_scan_parameters(sock)
hci_enable_le_scan(sock)
while True:
alive = {}
dead = []
reports = process_brewometers(sock)
for addr, report in reports.iteritems():
now = time.time()
if now - report['timestamp'] > TIMEOUT:
dead.append(addr)
else:
alive[addr] = report
if opts.mqttserver:
publish_mqtt(mqtt_config, alive)
if dead:
print("Brewometers: %s are no longer reporting.." % dead)
for addr in dead:
del brewometers[addr]
def _gethcisock (device_id = -1):
try:
sock = _bt.hci_open_dev (device_id)
return sock
except:
debug("error accessing bluetooth device")
exit(0)
def set_bt_name(name, src_hci, src, dst):
"""
Sets the name of the local bluetooth device to 'name'.
Params:
- 'name' - The new name of the device
- 'src_hci' - Name of the bluetooth device to change the name of
- 'src' - The bluetooth address of the local device
- 'dst' - Bluetooth address of a remote device to temporarily connect with
(sets the REMOTE_NAME in 'dst')
"""
# Create raw HCI sock to set our BT name
raw_sock = bt.hci_open_dev(bt.hci_devid(src_hci))
flt = bt.hci_filter_new()
bt.hci_filter_all_ptypes(flt)
bt.hci_filter_all_events(flt)
raw_sock.setsockopt(bt.SOL_HCI, bt.HCI_FILTER, flt)
# Send raw HCI command to controller (first 3 bytes are padding for alignment)
raw_sock.sendall(
binascii.unhexlify('01130cf8cccccc') +
name.ljust(MAX_BT_NAME, b'\x00'))
raw_sock.close()
time.sleep(0.1)
# Connect to BNEP to "refresh" the name
bnep = bluetooth.BluetoothSocket(bluetooth.L2CAP)
bnep.bind((src, 0))
bnep.connect((dst, BNEP_PSM))
bnep.close()
# Close ACL connection again
util.exec_command_block(["hcitool", "dc", dst])
def advertisment(self):
"""Get values for the accesories of the airpod and genrates an le advertising with them
"""
if self.args.random:
left_speaker, right_speaker, case = self.random_values()
else:
left_speaker = (100,)
right_speaker = (100,)
case = (100,)
interval = self.args.interval
toggle_device(self.args.ble_iface, True)
data1 = (0x1e, 0xff, 0x4c, 0x00, 0x07, 0x19, 0x01, 0x02, 0x20, 0x75, 0xaa, 0x30, 0x01, 0x00, 0x00, 0x45)
data2 = (0xda, 0x29, 0x58, 0xab, 0x8d, 0x29, 0x40, 0x3d, 0x5c, 0x1b, 0x93, 0x3a)
try:
sock = bluez.hci_open_dev(args.ble_iface)
except:
print(f"Cannot open bluetooth device {self.args.ble_iface}")
return
try:
print("Start advertising press ctrl + c to quit...")
start_le_advertising(sock, adv_type=0x03, min_interval=interval, max_interval=interval,
data=(data1 + left_speaker + right_speaker + case + data2))
while True:
sleep(2)
except:
stop_le_advertising(sock)
print()
print("Bye")
def get_RSSI(addr):
# Open an hci socket
hci_sock = bluez.hci_open_dev()
hci_fd = hci_sock.fileno ()
# Try to open a connection to remote BT device
try:
bt_sock = bluez.SDPSession ()
bt_sock.connect(addr)
except:
bt_sock.close()
hci_sock.close()
return None
# Get handle to ACL connection to remote BT device
reqstr = struct.pack ("6sB17s", bluez.str2ba (addr),
bluez.ACL_LINK, "\0" * 17)
request = array.array ("c", reqstr)
fcntl.ioctl (hci_fd, bluez.HCIGETCONNINFO, request, 1)
handle = struct.unpack ("8xH14x", request.tostring ())[0]
# Get RSSI
cmd_pkt=struct.pack('H', handle)
RSSI = bluez.hci_send_req(hci_sock, bluez.OGF_STATUS_PARAM,
bluez.OCF_READ_RSSI,
bluez.EVT_CMD_COMPLETE, 4, cmd_pkt)
RSSI = struct.unpack('b', RSSI[3])[0]
bt_sock.close()
hci_sock.close()
return RSSI
def adv_airdrop(self):
while True:
dev_id = self.dev_id
toggle_device(dev_id, True)
header = (0x02, 0x01, 0x1a, 0x1b, 0xff, 0x4c, 0x00)
data1 = (0x05, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01)
apple_id = (0x00, 0x00)
phone = (0x00, 0x00)
email = (0xb7, 0x9b)
data2 = (0x00, 0x00, 0x00, 0x10, 0x02, 0x0b, 0x00)
try:
sock = bluez.hci_open_dev(dev_id)
except:
print("Cannot open bluetooth device %i" % dev_id)
raise
start_le_advertising(sock,
adv_type=0x02,
min_interval=500,
max_interval=500,
data=(header + data1 + apple_id + phone +
email + data2))
time.sleep(10)
stop_le_advertising(sock)
def _open_bluetooth(self):
try:
self._dev_sock = bluez.hci_open_dev(0)
except:
logging.error("Fail to open bluetooth device.")
return False
return True
def find_local_bdaddr(self):
dev_id = 0
hci_sock = _bt.hci_open_dev(dev_id)
old_filter = hci_sock.getsockopt( _bt.SOL_HCI, _bt.HCI_FILTER, 14)
flt = _bt.hci_filter_new()
opcode = _bt.cmd_opcode_pack(_bt.OGF_INFO_PARAM, _bt.OCF_READ_BD_ADDR)
_bt.hci_filter_set_ptype(flt, _bt.HCI_EVENT_PKT)
_bt.hci_filter_set_event(flt, _bt.EVT_CMD_COMPLETE);
_bt.hci_filter_set_opcode(flt, opcode)
hci_sock.setsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, flt)
_bt.hci_send_cmd(hci_sock, _bt.OGF_INFO_PARAM, _bt.OCF_READ_BD_ADDR)
pkt = hci_sock.recv(255)
status,raw_bdaddr = struct.unpack("xxxxxxB6s", pkt)
assert status == 0
t = [ "%X" % ord(b) for b in raw_bdaddr ]
t.reverse()
bdaddr = ":".join(t)
# restore old filter
hci_sock.setsockopt( _bt.SOL_HCI, _bt.HCI_FILTER, old_filter )
return bdaddr
def rssi_main():
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
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)
print("current inquiry mode is %d" % mode)
if mode != 1:
print("writing inquiry mode...")
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")
#print("result: %d" % result)
devs = device_inquiry_with_with_rssi(sock)
return devs
def setup_bluetooth():
#Open bluetooth device
try:
bt_device = bluez.hci_open_dev(dev_id)
except Exception as e:
errorMsg("Error accessing bluetooth device:", e)
#Read the inquiry mode
try:
mode = read_inquiry_mode(bt_device)
except Exception as e:
errorMsg("Error reading inquiry mode:", e)
#Write inquiry mode
if mode != 1:
try:
result = write_inquiry_mode(bt_device, 1)
if result != 0:
errorMsg("Error while setting inquiry mode:", None)
except Exception as e:
errorMsg("Error writing inquiry mode:", e)
#Return bluetooth device if setup sucessful
return bt_device
def le_set_scan_response_data(
self,
cmd_params={
'Scan_Response_Data_Length': 0x1f,
'Scan_Response_Data': bytes(0x1f)
}
) -> dict:
dd = hci_open_dev(self.devid)
bin_cmd_params = cmd_params['Scan_Response_Data_Length'].to_bytes(1, 'little') + \
cmd_params['Scan_Response_Data']
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_CMD_COMPLETE)
hci_filter_set_opcode(
flt, cmd_opcode_pack(OGF_LE_CTL, OCF_LE_SET_SCAN_RESPONSE_DATA))
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_LE_CTL, OCF_LE_SET_SCAN_RESPONSE_DATA,
bin_cmd_params)
event_params = dd.recv(3 + EVT_CMD_COMPLETE_SIZE + 1)[3:]
num_hci_cmd_pkts, cmd_opcode, status = struct.unpack(
'<BHB', event_params)
event_params = {
'Num_HCI_Command_Packets': num_hci_cmd_pkts,
'Command_Opcode': cmd_opcode,
'Status': status
}
hci_close_dev(dd.fileno())
return event_params
def getRSSI(self):
"""Detects whether the device is near by or not"""
addr = self.address
# Open hci socket
hci_sock = bt.hci_open_dev()
hci_fd = hci_sock.fileno()
# Connect to device (to whatever you like)
bt_sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
bt_sock.settimeout(10)
result = bt_sock.connect_ex((addr, 1)) # PSM 1 - Service Discovery
try:
# Get ConnInfo
reqstr = struct.pack("6sB17s", bt.str2ba(addr), bt.ACL_LINK, "\0" * 17)
request = array.array("c", reqstr )
handle = fcntl.ioctl(hci_fd, bt.HCIGETCONNINFO, request, 1)
handle = struct.unpack("8xH14x", request.tostring())[0]
# Get RSSI
cmd_pkt=struct.pack('H', handle)
rssi = bt.hci_send_req(hci_sock, bt.OGF_STATUS_PARAM,
bt.OCF_READ_RSSI, bt.EVT_CMD_COMPLETE, 4, cmd_pkt)
rssi = struct.unpack('b', rssi[3])[0]
# Close sockets
bt_sock.close()
hci_sock.close()
return rssi
except Exception, e:
return None
def _init_bluetooth():
os.system("sudo hciconfig hci0 down")
os.system("sudo hciconfig hci0 up")
try:
return bluez.hci_open_dev(0)
except:
sys.exit(1)
def main():
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
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)
#print("current inquiry mode is %d" % mode)
if mode != 1:
print("writing inquiry mode...")
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")
print("result: %d" % result)
device_inquiry_with_with_rssi(sock)
def read_Sg():
try:
sock = bluez.hci_open_dev(dev_id)
except:
print("error accessing bluetooth device...")
sys.exit(1)
blescan.hci_le_set_scan_parameters(sock)
blescan.hci_enable_le_scan(sock)
#gotData = 0
#while (gotData == 0):
returnedList = blescan.parse_events(sock, 10)
for beacon in returnedList: #returnedList is a list datatype of string datatypes seperated by commas (,)
output = beacon.split(
',') #split the list into individual strings in an array
if output[1] == green: #Change this to the colour of you tilt
#gotData = 1
tiltSG = int(output[3], 16) / 1000
print("testing")
print(tiltSG)
print("-----")
blescan.hci_disable_le_scan(sock)
return tiltSG
def bluetooth_init ():
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
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("bluetooth is OFF, please turn it ON")
print(e)
sys.exit(1)
#print("current inquiry mode is %d" % mode)
if mode != 1:
print("writing inquiry mode...")
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")
print("result: %d" % result)
return sock
def main(): dev_id = 0 loadXML() try: sock = bluez.hci_open_dev(dev_id) print "ble thread started" except: print "error accessing bluetooth device..." sys.exit(1) blescan.hci_le_set_scan_parameters(sock) print "set ble scan parameters" blescan.hci_enable_le_scan(sock) print "enable ble" #blescan.initSerial() thread1 = threading.Thread(target = blescan.parse_events, args = (sock, )) thread1.start() thread2 = threading.Thread(target = blescan.checkAndPrint, args = ( )) thread2.start() while True: time.sleep(1) if len(blescan.postList) > 0: #and internet_on(): #print "now start to post ..." lock1 = threading.Lock() lock1.acquire() #postXML(blescan.postList) lock1.release()
def bcm_write_local_bdaddr(adapter: int, dsbtaddr: str) -> None:
import bluetooth._bluetooth as _bt
try:
# Open hci socket
hci_sock = _bt.hci_open_dev(adapter)
# Get bytes from bluetooth address
baddrtospoof = bytearray.fromhex(dsbtaddr.replace(":", ""))
baddrtospoof.reverse()
# Send HCI request
cmd_pkt = bytes(baddrtospoof)
# BCM WRITE ADDR command
# https://github.com/pauloborges/bluez/blob/master/tools/bdaddr.c
_bt.hci_send_req(
hci_sock,
_bt.OGF_VENDOR_CMD,
0x0001, #OCF_BCM_WRITE_BD_ADDR
0x00000000,
1000,
cmd_pkt)
hci_sock.close()
except _bt.error as e:
raise BluetoothError(*e.args)
def lookup_name(self,address, device=-1, timeout=10):
"""
Linux only
Tries to determine the friendly name (human readable) of the device with
the specified bluetooth address. Returns the name on success, and None
on failure.
timeout=10 how many seconds to search before giving up.
"""
logger.debug("Device: %s " % (device))
if sys.platform == "linux2":
# NOTE: I had to rewrite this for the latest bluez,
# the reason this is complicated is because I need to select the device,
# before making the call.
# http://code.google.com/p/pybluez/source/detail?spec=svn27&r=22
if not bluetooth.is_valid_address(address):
raise ValueError("%s is not a valid Bluetooth address" % address)
try:
sock = _bt.hci_open_dev (device)
except:
raise ValueError("error accessing bluetooth device")
timeoutms = int (timeout * 1000)
try:
name = _bt.hci_read_remote_name (sock, address, timeoutms)
except _bt.error, e:
# name lookup failed. either a timeout, or I/O error
name = None
sock.close()
return name
def read_remote_supported_features(self, cmd_params: dict) -> dict:
'''
cmd_params -- {'Connection_Handle': 0x0000 to 0x0EFF}
'''
dd = hci_open_dev(self.devid)
bin_cmd_params = cmd_params['Connection_Handle'].to_bytes(2, 'little')
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_READ_REMOTE_FEATURES_COMPLETE)
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_LINK_CTL, OCF_READ_REMOTE_FEATURES,
bin_cmd_params)
while True:
event_params = dd.recv(3 +
EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE)[3:]
status, conn_handle, lmp_features = struct.unpack(
'<BH8s', event_params)
event_params = {
'Status': status,
'Connection_Handle': conn_handle,
'LMP_Features': lmp_features
}
if event_params['Connection_Handle'] == cmd_params[
'Connection_Handle']:
break
hci_close_dev(dd.fileno())
return event_params
def set_event_filter(self, cmd_params: dict) -> dict:
'''A little complicated. see the core specification
BLUETOOTH CORE SPECIFICATION Version 5.2 | Vol 4, Part E page 2078.
Only support Filter_Type = 0x00 now.
'''
dd = hci_open_dev(self.devid)
bin_cmd_params = cmd_params['Filter_Type'].to_bytes(1, 'little')
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_CMD_COMPLETE)
hci_filter_set_opcode(flt,
cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_FLT))
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_HOST_CTL, OCF_SET_EVENT_FLT, bin_cmd_params)
event_params = dd.recv(3 + EVT_CMD_COMPLETE_SIZE + 1)[3:]
num_hci_cmd_pkts, cmd_opcode, status = struct.unpack(
'<BHB', event_params)
event_params = {
'Num_HCI_Command_Packets': num_hci_cmd_pkts,
'Command_Opcode': cmd_opcode,
'Status': status
}
hci_close_dev(dd.fileno())
return event_params
def create_connection_cancel(self, cmd_params: dict) -> dict:
'''
cmd_params -- {
'BD_ADDR': str
}
'''
dd = hci_open_dev(self.devid)
bin_cmd_params = bytes.fromhex(cmd_params['BD_ADDR'].replace(':',
'')[::-1])
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_CMD_COMPLETE)
hci_filter_set_opcode(
flt, cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN_CANCEL))
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_LINK_CTL, OCF_CREATE_CONN_CANCEL, bin_cmd_params)
event_params = dd.recv(3 + EVT_CMD_COMPLETE_SIZE + 7)[3:]
num_hci_cmd_pkts, cmd_opcode, status, \
bdaddr = struct.unpack('<BHB6s', event_params)
hci_close_dev(dd.fileno())
return event_params
def disconnect(self, cmd_params: dict) -> dict:
'''
cmd_params -- {
'Connection_Handle': int, 2 bytes,
'Reason': int, 1 bytes
}
'''
dd = hci_open_dev(self.devid)
flt = hci_filter_new()
hci_filter_clear(flt)
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_DISCONN_COMPLETE)
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
bin_cmd_params = cmd_params['Connection_Handle'].to_bytes(2, 'little') + \
cmd_params['Reason'].to_bytes(1, 'little')
hci_send_cmd(dd, OGF_LINK_CTL, OCF_DISCONNECT, bin_cmd_params)
# Receive and exclude HCI packet type (1 B)
event_params = dd.recv(3 + EVT_DISCONN_COMPLETE_SIZE)[3:]
status, conn_handle, reason, = struct.unpack('<BHB', event_params)
event_params = {
'Status': status,
'Connection_Handle': conn_handle,
'Reason': reason
}
hci_close_dev(dd.fileno())
return event_params
def exit_periodic_inquiry_mode(self) -> dict:
'''
Return -- {
'Num_HCI_Command_Packets': int,
'Command_Opcode': int,
'Status': int
}
'''
dd = hci_open_dev(self.devid)
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_CMD_COMPLETE)
hci_filter_set_opcode(
flt, cmd_opcode_pack(OGF_LINK_CTL, OCF_EXIT_PERIODIC_INQUIRY))
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_LINK_CTL, OCF_EXIT_PERIODIC_INQUIRY)
event_params = dd.recv(3 + EVT_CMD_COMPLETE_SIZE + 1)[3:]
num_hci_cmd_pkts, cmd_opcode, status = struct.unpack(
'<BHB', event_params)
event_params = {
'Num_HCI_Command_Packets': num_hci_cmd_pkts,
'Command_Opcode': cmd_opcode,
'Status': status
}
hci_close_dev(dd.fileno())
return status
def read_bd_addr(self) -> dict:
r"""'Return BD_ADDR string "XX:XX:XX:XX:XX:XX'"""
dd = hci_open_dev(self.devid)
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_CMD_COMPLETE)
hci_filter_set_opcode(
flt, cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BD_ADDR))
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_INFO_PARAM, OCF_READ_BD_ADDR)
event_params = dd.recv(HCI_MAX_EVENT_SIZE)[3:]
num_hci_cmd_pkts, cmd_opcode, status, bd_addr = struct.unpack(
"<BHB6s", event_params)
bd_addr = ["%02X" % b for b in bd_addr]
bd_addr.reverse()
event_params = {
'Num_HCI_Command_Packets': num_hci_cmd_pkts,
'Command_Opcode': cmd_opcode,
'Status': status,
'BD_ADDR': ':'.join(bd_addr)
}
hci_close_dev(dd.fileno())
return event_params
def read_local_bdaddr():
try:
hci_sock = _bt.hci_open_dev(0)
old_filter = hci_sock.getsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, 14)
flt = _bt.hci_filter_new()
opcode = _bt.cmd_opcode_pack(_bt.OGF_INFO_PARAM, _bt.OCF_READ_BD_ADDR)
_bt.hci_filter_set_ptype(flt, _bt.HCI_EVENT_PKT)
_bt.hci_filter_set_event(flt, _bt.EVT_CMD_COMPLETE)
_bt.hci_filter_set_opcode(flt, opcode)
hci_sock.setsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, flt)
_bt.hci_send_cmd(hci_sock, _bt.OGF_INFO_PARAM, _bt.OCF_READ_BD_ADDR)
pkt = hci_sock.recv(255)
status, raw_bdaddr = struct.unpack("xxxxxxB6s", pkt)
assert status == 0
t = ["%02X" % get_byte(b) for b in raw_bdaddr]
t.reverse()
bdaddr = ":".join(t)
# restore old filter
hci_sock.setsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, old_filter)
return [bdaddr]
except _bt.error as e:
raise BluetoothError(*e.args)
def getRSSI(self):
"""Detects whether the device is near by or not using RSSI"""
addr = self.address
# Open hci socket
hci_sock = bt.hci_open_dev()
hci_fd = hci_sock.fileno()
# Connect to device (to whatever you like)
bt_sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
bt_sock.settimeout(10)
result = bt_sock.connect_ex((addr, 1)) # PSM 1 - Service Discovery
try:
# Get ConnInfo
reqstr = struct.pack("6sB17s", bt.str2ba(addr), bt.ACL_LINK, "\0" * 17)
request = array.array("c", reqstr )
handle = fcntl.ioctl(hci_fd, bt.HCIGETCONNINFO, request, 1)
handle = struct.unpack("8xH14x", request.tostring())[0]
# Get RSSI
cmd_pkt=struct.pack('H', handle)
rssi = bt.hci_send_req(hci_sock, bt.OGF_STATUS_PARAM,
bt.OCF_READ_RSSI, bt.EVT_CMD_COMPLETE, 4, cmd_pkt)
rssi = struct.unpack('b', rssi[3])[0]
# Close sockets
bt_sock.close()
hci_sock.close()
return rssi
except Exception, e:
#self.logger.error("<Bluetooth> (getRSSI) %s" % (repr(e)))
return None
def isNewNukiStateAvailable(self):
if self.device != None:
self.device.disconnect()
self.device = None
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
except:
print "error accessing bluetooth device..."
sys.exit(1)
blescan.hci_le_set_scan_parameters(sock)
blescan.hci_enable_le_scan(sock)
returnedList = blescan.parse_events(sock, 10)
newStateAvailable = -1
print "isNewNukiStateAvailable() -> search through %d received beacons..." % len(returnedList)
for beacon in returnedList:
beaconElements = beacon.split(',')
if beaconElements[0] == self.macAddress.lower() and beaconElements[1] == "a92ee200550111e4916c0800200c9a66":
print "Nuki beacon found, new state element: %s" % beaconElements[4]
if beaconElements[4] == '-60':
newStateAvailable = 0
else:
newStateAvailable = 1
break
else:
print "non-Nuki beacon found: mac=%s, signature=%s" % (beaconElements[0],beaconElements[1])
print "isNewNukiStateAvailable() -> result=%d" % newStateAvailable
return newStateAvailable
def lookup_name(self, address, device=-1, timeout=10):
"""
Linux only
Tries to determine the friendly name (human readable) of the device with
the specified bluetooth address. Returns the name on success, and None
on failure.
timeout=10 how many seconds to search before giving up.
"""
logger.debug("Device: %s " % (device))
if sys.platform == "linux2":
# NOTE: I had to rewrite this for the latest bluez,
# the reason this is complicated is because I need to select the device,
# before making the call.
# http://code.google.com/p/pybluez/source/detail?spec=svn27&r=22
if not bluetooth.is_valid_address(address):
raise ValueError("%s is not a valid Bluetooth address" %
address)
try:
sock = _bt.hci_open_dev(device)
except:
raise ValueError("error accessing bluetooth device")
timeoutms = int(timeout * 1000)
try:
name = _bt.hci_read_remote_name(sock, address, timeoutms)
except _bt.error, e:
# name lookup failed. either a timeout, or I/O error
name = None
sock.close()
return name
def __init__(self):
rospy.init_node("blescanner", anonymous=True)
dev_id = 0
try:
self.sock = bluez.hci_open_dev(dev_id)
print "ble thread started"
except:
print "error accessing bluetooth device..."
sys.exit(1)
blescan.hci_le_set_scan_parameters(self.sock)
blescan.hci_enable_le_scan(self.sock)
self.pub = rospy.Publisher('ble_data', BLEData, queue_size=10, latch=True)
while not rospy.is_shutdown():
self.returnedList = blescan.parse_events(self.sock, 10)
msg = BLEData()
msg.header.stamp = rospy.Time.now()
for beacon in self.returnedList:
submsg = BLEBeacon()
submsg.mac_address = beacon[0:17]
submsg.rssi = int(beacon[-3:])
msg.data.append(submsg)
# print submsg
# print "MAC ADDRESS: ", beacon[0:17]
# print "RSSI: ", beacon[-3:]
# print beacon
self.pub.publish(msg)
def scan(self):
try:
sock = bluez.hci_open_dev(self.dev_id)
except Exception, e:
print "ERROR: Accessing bluetooth device: " + e.message
sys.exit(1)
def bluetooth_rssi(addr):
# Open hci socket
hci_sock = bt.hci_open_dev()
hci_fd = hci_sock.fileno()
# Connect to device (to whatever you like)
bt_sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
bt_sock.settimeout(10)
result = bt_sock.connect_ex((addr, 1)) # PSM 1 - Service Discovery
try:
# Get ConnInfo
reqstr = struct.pack("6sB17s", bt.str2ba(addr), bt.ACL_LINK, "\0" * 17)
request = array.array("c", reqstr)
handle = fcntl.ioctl(hci_fd, bt.HCIGETCONNINFO, request, 1)
handle = struct.unpack("8xH14x", request.tostring())[0]
# Get RSSI
cmd_pkt = struct.pack('H', handle)
rssi = bt.hci_send_req(hci_sock, bt.OGF_STATUS_PARAM, bt.OCF_READ_RSSI,
bt.EVT_CMD_COMPLETE, 4, cmd_pkt)
rssi = struct.unpack('b', rssi[3])[0]
# Close sockets
bt_sock.close()
hci_sock.close()
return rssi
except:
return None
def scan(self):
try:
sock = bluez.hci_open_dev(self.dev_id)
except:
print "error accessing bluetooth device..."
sys.exit(1)
blescan.hci_le_set_scan_parameters(sock)
blescan.hci_enable_le_scan(sock)
#Keep scanning until the manager is told to stop.
while self.scanning:
returnedList = blescan.parse_events(sock, 10)
for beacon in returnedList:
beaconParts = beacon.split(",")
#Resolve whether the received BLE event is for a brewometer by looking at the UUID.
name = self.brewometerName(beaconParts[1])
#If the event is for a brewometer, process the data
if name is not None:
#Get the temperature and convert to C if needed.
temperature = beaconParts[2]
if not self.inFarenheight:
temperature = self.convertFtoC(temperature)
#Get the gravity.
gravity = self.convertSG(beaconParts[3])
#Store the retrieved values in the relevant brewometer object.
self.storeValue(name, temperature, gravity)
def scan(self):
try:
sock = bluez.hci_open_dev(self.dev_id)
except:
print "error accessing bluetooth device..."
sys.exit(1)
blescan.hci_le_set_scan_parameters(sock)
blescan.hci_enable_le_scan(sock)
#Keep scanning until the manager is told to stop.
while self.scanning:
returnedList = blescan.parse_events(sock, 10)
for beacon in returnedList:
beaconParts = beacon.split(",")
#Resolve whether the received BLE event is for a brewometer by looking at the UUID.
name = self.brewometerName(beaconParts[1])
#If the event is for a brewometer, process the data
if name is not None:
#Get the temperature and convert to C if needed.
temperature = beaconParts[2]
if not self.inFarenheight:
temperature = self.convertFtoC(temperature)
#Get the gravity.
gravity = self.convertSG(beaconParts[3])
#Store the retrieved values in the relevant brewometer object.
self.storeValue(name, temperature, gravity)
def le_set_advertising_enable(self,
cmd_params={'Advertising_Enable':
0x00}) -> dict:
dd = hci_open_dev(self.devid)
bin_cmd_params = cmd_params['Advertising_Enable'].to_bytes(1, 'little')
flt = hci_filter_new()
hci_filter_set_ptype(flt, HCI_EVENT_PKT)
hci_filter_set_event(flt, EVT_CMD_COMPLETE)
hci_filter_set_opcode(
flt, cmd_opcode_pack(OGF_LE_CTL, OCF_LE_SET_ADVERTISING_ENABLE))
dd.setsockopt(SOL_HCI, HCI_FILTER, flt)
hci_send_cmd(dd, OGF_LE_CTL, OCF_LE_SET_ADVERTISING_ENABLE,
bin_cmd_params)
event_params = dd.recv(3 + EVT_CMD_COMPLETE_SIZE + 1)[3:]
num_hci_cmd_pkts, cmd_opcode, status = struct.unpack(
'<BHB', event_params)
event_params = {
'Num_HCI_Command_Packets': num_hci_cmd_pkts,
'Command_Opcode': cmd_opcode,
'Status': status
}
hci_close_dev(dd.fileno())
return event_params
def get_RSSI_and_TX(iterations, authorized):
# Value containers
rssi_list = []
tx_power_list = []
rssi = 0
tx_power = 0
# Open BLE socket
try:
sock = bluez.hci_open_dev(0)
print("Start BLE communication")
except:
print("error accessing bluetooth device...")
sys.exit(1)
hci_le_set_scan_parameters(sock)
hci_enable_le_scan(sock)
# Loop to scan the beacons
for x in range(iterations):
returnedList = parse_events(sock, 10)
for beacon in returnedList:
details = beacon.split(',')
#print(details)
if details[0] in authorized:
rssi_list.append(details[5])
tx_power_list.append(details[4])
if len(rssi_list) > 0 or len(tx_power_list) > 0:
rssi = max(set(rssi_list), key=rssi_list.count)
tx_power = max(set(tx_power_list), key=tx_power_list.count)
return int(rssi), int(tx_power)
def _find_local_bdaddr(self):
dev_id = 0
hci_sock = _bt.hci_open_dev(dev_id)
old_filter = hci_sock.getsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, 14)
flt = _bt.hci_filter_new()
opcode = _bt.cmd_opcode_pack(_bt.OGF_INFO_PARAM, _bt.OCF_READ_BD_ADDR)
_bt.hci_filter_set_ptype(flt, _bt.HCI_EVENT_PKT)
_bt.hci_filter_set_event(flt, _bt.EVT_CMD_COMPLETE)
_bt.hci_filter_set_opcode(flt, opcode)
hci_sock.setsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, flt)
_bt.hci_send_cmd(hci_sock, _bt.OGF_INFO_PARAM, _bt.OCF_READ_BD_ADDR)
pkt = hci_sock.recv(255)
status, raw_bdaddr = struct.unpack("xxxxxxB6s", pkt)
assert status == 0
t = ["%X" % ord(b) for b in raw_bdaddr]
t.reverse()
bdaddr = ":".join(t)
# restore old filter
hci_sock.setsockopt(_bt.SOL_HCI, _bt.HCI_FILTER, old_filter)
return bdaddr
def scan(self):
try:
sock = bluez.hci_open_dev(self.dev_id)
except Exception, e:
print "ERROR: Accessing bluetooth device: " + e.message
sys.exit(1)
def bluetooth_rssi(addr):
# Open hci socket
hci_sock = bt.hci_open_dev()
hci_fd = hci_sock.fileno()
# Connect to device (to whatever you like)
bt_sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
bt_sock.settimeout(10)
result = bt_sock.connect_ex((addr, 1)) # PSM 1 - Service Discovery
try:
# Get ConnInfo
reqstr = struct.pack('6sB17s', bt.str2ba(addr), bt.ACL_LINK, '\0' * 17)
request = array.array('c', reqstr )
handle = fcntl.ioctl(hci_fd, bt.HCIGETCONNINFO, request, 1)
handle = struct.unpack('8xH14x', request.tostring())[0]
# Get RSSI
cmd_pkt=struct.pack('H', handle)
rssi = bt.hci_send_req(hci_sock, bt.OGF_STATUS_PARAM,
bt.OCF_READ_RSSI, bt.EVT_CMD_COMPLETE, 4, cmd_pkt)
rssi = struct.unpack('b', rssi[3])[0]
# Close sockets
bt_sock.close()
hci_sock.close()
return rssi
except:
return None
def _gethcisock(device_id=-1):
try:
sock = _bt.hci_open_dev(device_id)
except _bt.error as e:
raise BluetoothError(e.args[0],
"error accessing bluetooth device: " + e.args[1])
return sock
def main():
#connect to cloudant database
client = Cloudant("<account>",
"<password>",
account="<account>",
connect=True,
auto_renew=True,
timeout=300)
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
except:
print("error accessing bluetooth device...")
sys.exit(1)
blescan.hci_le_set_scan_parameters(sock)
blescan.hci_enable_le_scan(sock)
count = 0
my_document = client['present']['<ble Device UDID>']
while count < 30:
returnedList = blescan.parse_events(sock, 10)
for beacon in returnedList:
if beacon.split(",")[1] == "<ble Device UDID>":
my_document['present'] = True
my_document.save()
return
count += 1
my_document['present'] = False
my_document.save()
def runLeash(self):
dev_id = 0
# Set we have not found the device for the next pass
self.setFoundDevice(False)
# try to open the dev via the dev id, if not exit
try:
sock = bluez.hci_open_dev(dev_id)
except:
print("error accessing bluetooth device...")
sys.exit(1)
# Try to check the inqury mode
try:
mode = self.read_inquiry_mode(sock)
except Exception as e:
print("error reading inquiry mode. ")
print(e)
sys.exit(1)
# print("current inquiry mode is %d" % mode)
# inquiry the devices to find the target
print('Attempting to Find Device')
self.device_inquiry_with_with_rssi(sock)
def hci_cc(adapter: int, ps4btaddr: str) -> None:
import bluetooth._bluetooth as _bt
try:
hci_sock = _bt.hci_open_dev(adapter)
# Get bytes from bluetooth address
baps4addr = bytearray.fromhex(ps4btaddr.replace(":", ""))
baps4addr.reverse()
# HCI CONNECT
# BLUETOOTH SPECIFICATION Version 5.0 | Vol 2, Part E page 774
# https://github.com/pauloborges/bluez/blob/master/tools/hcitool.c => cmd_cc
# https://github.com/pauloborges/bluez/blob/master/lib/hci.c => hci_create_connection
cmd_pkt = bytes(
baps4addr
) + bytes([ # Target BTADDR on 6 bytes reverse order,
0x18,
0xCC, # pkt_type HCI_DM1 | HCI_DM3 | HCI_DM5 | HCI_DH1 | HCI_DH3 | HCI_DH5
0x02, # pscan_rep_mode
0x00, # pscan_mode (reserved)
0x00,
0x00, # clock_offset
0x01
]) # role_switch
# Send HCI request
_bt.hci_send_req(hci_sock, _bt.OGF_LINK_CTL, _bt.OCF_CREATE_CONN,
_bt.EVT_CONN_COMPLETE, 1000, cmd_pkt)
hci_sock.close()
except _bt.error as e:
raise BluetoothError(*e.args)
def open_bt_sock():
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
except:
print "error accessing bluetooth device..."
sys.exit(1)
return sock
def __init__(self):
subprocess.call(["/usr/sbin/hciconfig", "hci0", "down"])
subprocess.check_call(["/usr/sbin/hciconfig", "hci0", "up"])
dev_id = 0
self.sock = bluez.hci_open_dev(dev_id)
self.old_filter = self.sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
self.hci_disable_le_scan()
def __init__(self, deviceId = 0, loops = 1):
self.deviceId = deviceId
self.loops = loops
try:
self.sock = bluez.hci_open_dev(self.deviceId)
blescan.hci_le_set_scan_parameters(self.sock)
blescan.hci_enable_le_scan(self.sock)
except Exception, e:
print e
def init_connection():
dev_id = 0
connection = -1
try:
sock = bluez.hci_open_dev(dev_id)
except:
print "error accessing bluetooth device..."
sys.exit(1)
return sock
def __init__(self, watchaddr = None, verbose = False,debug=True):
self.CRC=CRC_CCITT();
self._last_tx_time = time.clock()
self.verbose = verbose
self.debug=debug
self.invertDisplay=False
while watchaddr == None or watchaddr == "none":
print "performing inquiry..."
if bluetooth:
nearby_devices = bluetooth.discover_devices(lookup_names = True)
else:
# Need to strip the third "device class" tuple element from results
nearby_devices = map(lambda x:x[:2], lightblue.finddevices())
print "found %d devices" % len(nearby_devices)
for addr, name in nearby_devices:
print " %s - '%s'" % (addr, name)
if name and ('MetaWatch Digital' in name or 'Fossil Digital' in name) :
watchaddr=addr;
print "Identified Watch at %s" % watchaddr;
# MetaWatch doesn't run the Service Discovery Protocol.
# Instead we manually use the portnumber.
port=1;
print "Connecting to %s on port %i." % (watchaddr, port);
if bluetooth:
sock=bluetooth.BluetoothSocket(bluetooth.RFCOMM);
# print rssi
print "Computing rssi"
dev_id = 0
try:
self.sock_monitor = bluez.hci_open_dev(dev_id)
except:
print "error accessing bluetooth device..."
sys.exit(1)
try:
mode = read_inquiry_mode(self.sock_monitor)
except Exception, e:
print "error reading inquiry mode. "
print "Are you sure this a bluetooth 1.2 device?"
print e
sys.exit(1)
print "current inquiry mode is %d" % mode
if mode != 1:
print "writing inquiry mode..."
try:
result = write_inquiry_mode(sock_monitor, 1)
except Exception, 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"
print "result: %d" % result
def write_flush_timeout( addr, timeout ):
hci_sock = bt.hci_open_dev()
# get the ACL connection handle to the remote device
handle = __get_acl_conn_handle(hci_sock, addr)
pkt = struct.pack("HH", handle, bt.htobs(timeout))
response = bt.hci_send_req(hci_sock, bt.OGF_HOST_CTL,
0x0028, bt.EVT_CMD_COMPLETE, 3, pkt)
status = struct.unpack("B", response[0])[0]
rhandle = struct.unpack("H", response[1:3])[0]
assert rhandle == handle
assert status == 0
def __init__(self, deviceId=0, loops=1):
"""Initialize scanner."""
self.deviceId = deviceId
self.loops = loops
try:
self.sock = bluez.hci_open_dev(self.deviceId)
blescan.hci_le_set_scan_parameters(self.sock)
blescan.hci_enable_le_scan(self.sock)
except Exception, e:
logger.critical('Scan failed: {}'.format(str(e)))
print e
def __init__(self) :
try:
self.sock = bluez.hci_open_dev(self.dev_id)
old_filter = self.sock.getsockopt( bluez.SOL_HCI, bluez.HCI_FILTER, 14)
enable = 1
cmd_pkt = struct.pack("<BB", enable, 0x00)
bluez.hci_send_cmd(self.sock, OGF_LE_CTL, OCF_LE_SET_SCAN_ENABLE, cmd_pkt)
except:
print "error accessing blue tooth device..."
sys.exit(1)
def setup(device_id):
""" Setup a BLE scanner on a device """
try:
sock = bluez.hci_open_dev(device_id)
except:
sys.exit('Error: Unable to open device %s' % device_id)
hci_le_set_scan_parameters(sock)
hci_enable_le_scan(sock)
return sock
def init_ble(): try: sock = bluez.hci_open_dev(devid) print "ble thread started" except: print "error accessing bluetooth device..." sys.exit(1) blescan.hci_le_set_scan_parameters(sock) blescan.hci_enable_le_scan(sock) return sock
def init_BLE_thread():
dev_id = 0
try:
sock = bluez.hci_open_dev(dev_id)
hci_le_set_scan_parameters(sock)
hci_enable_le_scan(sock)
## NEW THREAD ##
thread.start_new_thread( Catch_and_Store_advertisement_meassages, (sock,) )
BLE_thread_init = "OK - accessing bluetooth device..."
except Exception,e:
BLE_thread_init = ("ERROR - accessing bluetooth device and catch thread..." + str(e))
error_reporting(BLE_thread_init)
def init(self):
"""
Initialise the Bluetooth device used for scanning.
@return 0 on success, 1 on failure.
"""
try:
self.sock = bluez.hci_open_dev(self.device_id)
except:
s = 'Error opening Bluetooth device %i' % self.device_id
self.mgr.main.log_error('Error', '%s.' % s)
self.mgr.debug(s)
return 1
try:
mode = self._read_inquiry_mode()
except:
s = 'Error reading inquiry mode on device %i. ' % self.device_id + \
'We need a 1.2+ Bluetooth device'
self.mgr.main.log_error('Error', '%s.' % s)
self.mgr.debug(s)
return 1
if mode != 1:
try:
result = self._write_inquiry_mode(1)
except:
s = 'Error writing inquiry mode on device %i' % self.device_id
self.mgr.main.log_error('Error', '%s.' % s)
self.mgr.debug(s)
return 1
if result != 0:
s = 'Adapter %s does not support RSSI enabled ' % self.mac \
+ 'inquiries, disabling RSSI detections'
self.mgr.log_info(s)
try:
result = self._write_inquiry_mode(0)
except:
s = 'Error writing inquiry mode on device %i' % \
self.device_id
self.mgr.main.log_error('Error', '%s.' % s)
self.mgr.debug(s)
return 1
if result != 0:
s = 'Error setting inquiry mode on ' + \
'device %i' % self.device_id
self.mgr.main.log_error('Error', '%s.' % s)
self.mgr.debug(s)
return 1
return 0
def __init__(self,app):
self.app = app
pg.setConfigOptions(antialias=True)
self.win = pg.GraphicsWindow(title="Basic plotting examples")
self.win.resize(800,800)
self.win.setWindowTitle('SmartPolyTech Beacon System')
self.p = self.win.addPlot(title='RSSI graph')
self.graphView = self.win.addViewBox(row=1,col=0)
#self.graphView.setLimits(xMin=-5, xMax=5, yMin = -5, yMax=5)
self.graphView.setAspectLocked()
self.graphView.setRange(rect=QtCore.QRectF(-6,6,12,-12))
box = QtGui.QGraphicsRectItem(-10, 5, 20, -10)
box.setPen(pg.mkPen("w"))
box.setBrush(pg.mkBrush(None))
self.graphView.addItem(box)
self.graphView.show()
self.graph = pg.GraphItem()
self.graphView.addItem(self.graph)
self.bufferLength = 20
self.p.setRange(QtCore.QRectF(0, 0, self.bufferLength, 100))
self.p.setLabel('bottom', 'Samples')
self.p.setLabel('left', 'Signal Strength')
self.p.setAutoVisible(y=True)
#cross hair
try:
dev_id = 0
self.sock = bluez.hci_open_dev(dev_id)
print "ble thread started"
except:
print "error accessing bluetooth device..."
sys.exit(1)
#Variables
self.lastTime = time()
self.fps = None
#Timers
self.timerBluetooth = QtCore.QTimer()
self.timerBluetooth.timeout.connect(self.updateBluetooth)
self.timerBluetooth.start(300)
self.timer = QtCore.QTimer()
self.timer.timeout.connect(self.compute)
self.timer.start(100)
#self.p.scene().sigMouseMoved.connect(self.mouseMoved)
self.signalList = {}
self.curveList = {}
def read_flush_timeout( addr ):
hci_sock = bt.hci_open_dev()
# get the ACL connection handle to the remote device
handle = __get_acl_conn_handle(hci_sock, addr)
pkt = struct.pack("H", handle)
response = bt.hci_send_req(hci_sock, bt.OGF_HOST_CTL,
0x0027, bt.EVT_CMD_COMPLETE, 5, pkt)
status = struct.unpack("B", response[0])[0]
rhandle = struct.unpack("H", response[1:3])[0]
assert rhandle == handle
assert status == 0
fto = struct.unpack("H", response[3:5])[0]
return fto
