mirror of https://github.com/labapart/gattlib
gattlib-py/examples/nordic_thingy: Add example for sound support
Olivier Martin
Olivier Martin
parent
e5daed3484
commit
4e9b1094d4
|
|
@ -0,0 +1,183 @@
|
|||
import struct
|
||||
import sys
|
||||
import threading
|
||||
|
||||
from dbus.mainloop.glib import DBusGMainLoop
|
||||
try:
|
||||
from gi.repository import GLib, GObject
|
||||
except ImportError:
|
||||
import gobject as GObject
|
||||
import sys
|
||||
|
||||
import numpy
|
||||
from matplotlib.pylab import *
|
||||
from mpl_toolkits.axes_grid1 import host_subplot
|
||||
import matplotlib.animation as animation
|
||||
|
||||
from gattlib import uuid
|
||||
|
||||
last_measures = {
|
||||
'temperature': { 'value': None, 'min': None, 'max': None },
|
||||
'pressure': { 'value': None, 'min': None, 'max': None },
|
||||
'humidity': { 'value': None, 'min': None, 'max': None },
|
||||
}
|
||||
|
||||
|
||||
def temperature_notification(value, user_data):
|
||||
last_measures['temperature']['value'] = float("%d.%d" % (value[0], value[1]))
|
||||
print("Temperature: %f" % last_measures['temperature']['value'])
|
||||
|
||||
|
||||
def pressure_notification(value, user_data):
|
||||
(pressure_integer, pressure_decimal) = struct.unpack("<IB", value)
|
||||
last_measures['pressure']['value'] = float("%d.%d" % (pressure_integer, pressure_decimal))
|
||||
print("Pressure: %f" % last_measures['pressure']['value'])
|
||||
|
||||
|
||||
def humidity_notification(value, user_data):
|
||||
last_measures['humidity']['value'] = value[0]
|
||||
print("Humidity: %d%%" % last_measures['humidity']['value'])
|
||||
|
||||
|
||||
# Data Placeholders
|
||||
temperature = zeros(0)
|
||||
humidity = zeros(0)
|
||||
t = zeros(0)
|
||||
x = 0.0
|
||||
xmax = 1000.0
|
||||
temp_line = None
|
||||
hum_line = None
|
||||
ax_temp = None
|
||||
ax_hum = None
|
||||
simulation = None
|
||||
|
||||
|
||||
def graph_init():
|
||||
global x
|
||||
global temperature, humidity, t
|
||||
global temp_line, hum_line
|
||||
global ax_temp, ax_hum
|
||||
global simulation
|
||||
|
||||
font = {'size' : 9}
|
||||
matplotlib.rc('font', **font)
|
||||
|
||||
# Setup figure and subplots
|
||||
f0 = figure(num=0, figsize=(12, 8)) # , dpi = 100)
|
||||
f0.suptitle("Nordic Thingy", fontsize=12)
|
||||
ax_temp = host_subplot(111)
|
||||
ax_hum = ax_temp.twinx()
|
||||
|
||||
# Set titles of subplots
|
||||
ax_temp.set_title('Temperature/Humidity vs Time')
|
||||
|
||||
# set y-limits
|
||||
ax_temp.set_ylim(0, 45)
|
||||
ax_hum.set_ylim(0, 100)
|
||||
|
||||
# sex x-limits
|
||||
ax_temp.set_xlim(0, xmax)
|
||||
ax_hum.set_xlim(0, xmax)
|
||||
|
||||
# Turn on grids
|
||||
ax_temp.grid(True)
|
||||
|
||||
# set label names
|
||||
ax_temp.set_xlabel("t")
|
||||
ax_temp.set_ylabel("temperature")
|
||||
ax_hum.set_ylabel("humidity")
|
||||
|
||||
temp_line, = ax_temp.plot(t, temperature, 'b-', label="temperature")
|
||||
hum_line, = ax_hum.plot(t, humidity, 'g-', label="humidity")
|
||||
|
||||
# set lagends
|
||||
ax_temp.legend([temp_line, hum_line], [temp_line.get_label(), hum_line.get_label()])
|
||||
|
||||
# interval: draw new frame every 'interval' ms
|
||||
# Note: We expose simulation to prevent Python garbage collector to rmeove it!
|
||||
simulation = animation.FuncAnimation(f0, graph_update, blit=False, interval=20)
|
||||
|
||||
plt.show()
|
||||
|
||||
|
||||
def graph_update(self):
|
||||
global x, xmax
|
||||
global temperature, humidity, t
|
||||
global temp_line, hum_line
|
||||
|
||||
if last_measures['temperature']['value']:
|
||||
temperature = append(temperature, last_measures['temperature']['value'])
|
||||
if last_measures['temperature']['min']:
|
||||
last_measures['temperature']['min'] = min(last_measures['temperature']['min'], last_measures['temperature']['value'] - 5)
|
||||
else:
|
||||
last_measures['temperature']['min'] = last_measures['temperature']['value'] - 5
|
||||
if last_measures['temperature']['max']:
|
||||
last_measures['temperature']['max'] = max(last_measures['temperature']['max'], last_measures['temperature']['value'] + 5)
|
||||
else:
|
||||
last_measures['temperature']['max'] = last_measures['temperature']['value'] + 5
|
||||
|
||||
ax_temp.set_ylim(last_measures['temperature']['min'], last_measures['temperature']['max'])
|
||||
|
||||
if last_measures['humidity']['value']:
|
||||
humidity = append(humidity, last_measures['humidity']['value'])
|
||||
if last_measures['humidity']['min']:
|
||||
last_measures['humidity']['min'] = min(last_measures['humidity']['min'], last_measures['humidity']['value'] - 20)
|
||||
else:
|
||||
last_measures['humidity']['min'] = last_measures['humidity']['value'] - 20
|
||||
if last_measures['humidity']['max']:
|
||||
last_measures['humidity']['max'] = max(last_measures['humidity']['max'], last_measures['humidity']['value'] + 20)
|
||||
else:
|
||||
last_measures['humidity']['max'] = last_measures['humidity']['value'] + 20
|
||||
|
||||
ax_hum.set_ylim(last_measures['humidity']['min'], last_measures['humidity']['max'])
|
||||
|
||||
t = append(t, x)
|
||||
|
||||
x += 0.05
|
||||
|
||||
temp_line.set_data(t, temperature)
|
||||
hum_line.set_data(t, humidity)
|
||||
|
||||
if x >= xmax - 1.00:
|
||||
temp_line.axes.set_xlim(x - xmax + 1.0, x + 1.0)
|
||||
hum_line.axes.set_xlim(x - xmax + 1.0, x + 1.0)
|
||||
|
||||
return temp_line, hum_line
|
||||
|
||||
|
||||
def environment_service(args, gatt_device):
|
||||
NORDIC_THINGY_WEATHER_STATION_SERVICE = uuid.gattlib_uuid_str_to_int("EF680200-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_TEMPERATURE_CHAR = uuid.gattlib_uuid_str_to_int("EF680201-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_PRESSURE_CHAR = uuid.gattlib_uuid_str_to_int("EF680202-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_HUMIDITY_CHAR = uuid.gattlib_uuid_str_to_int("EF680203-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_AIR_QUALITY_CHAR = uuid.gattlib_uuid_str_to_int("EF680204-9B35-4933-9B10-52FFA9740042")
|
||||
|
||||
temperature_characteristic = gatt_device.characteristics[NORDIC_THINGY_TEMPERATURE_CHAR]
|
||||
pressure_characteristic = gatt_device.characteristics[NORDIC_THINGY_PRESSURE_CHAR]
|
||||
humidity_characteristic = gatt_device.characteristics[NORDIC_THINGY_HUMIDITY_CHAR]
|
||||
air_quality_characteristic = gatt_device.characteristics[NORDIC_THINGY_AIR_QUALITY_CHAR]
|
||||
|
||||
# Initialize graph
|
||||
threading.Thread(target=graph_init).start()
|
||||
|
||||
try:
|
||||
DBusGMainLoop(set_as_default=True)
|
||||
mainloop = GLib.MainLoop()
|
||||
|
||||
temperature_characteristic.register_notification(temperature_notification)
|
||||
temperature_characteristic.notification_start()
|
||||
|
||||
pressure_characteristic.register_notification(pressure_notification)
|
||||
pressure_characteristic.notification_start()
|
||||
|
||||
humidity_characteristic.register_notification(humidity_notification)
|
||||
humidity_characteristic.notification_start()
|
||||
|
||||
mainloop.run()
|
||||
except KeyboardInterrupt:
|
||||
mainloop.quit()
|
||||
finally:
|
||||
humidity_characteristic.notification_stop()
|
||||
pressure_characteristic.notification_stop()
|
||||
temperature_characteristic.notification_stop()
|
||||
gatt_device.disconnect()
|
||||
|
|
@ -1,194 +1,32 @@
|
|||
#!/usr/bin/env python3
|
||||
|
||||
import argparse
|
||||
import struct
|
||||
import sys
|
||||
import threading
|
||||
|
||||
from dbus.mainloop.glib import DBusGMainLoop
|
||||
try:
|
||||
from gi.repository import GLib, GObject
|
||||
except ImportError:
|
||||
import gobject as GObject
|
||||
import sys
|
||||
|
||||
import numpy
|
||||
from matplotlib.pylab import *
|
||||
from mpl_toolkits.axes_grid1 import host_subplot
|
||||
import matplotlib.animation as animation
|
||||
|
||||
from gattlib import device, uuid
|
||||
|
||||
last_measures = {
|
||||
'temperature': { 'value': None, 'min': None, 'max': None },
|
||||
'pressure': { 'value': None, 'min': None, 'max': None },
|
||||
'humidity': { 'value': None, 'min': None, 'max': None },
|
||||
}
|
||||
|
||||
|
||||
def temperature_notification(value, user_data):
|
||||
last_measures['temperature']['value'] = float("%d.%d" % (value[0], value[1]))
|
||||
print("Temperature: %f" % last_measures['temperature']['value'])
|
||||
|
||||
|
||||
def pressure_notification(value, user_data):
|
||||
(pressure_integer, pressure_decimal) = struct.unpack("<IB", value)
|
||||
last_measures['pressure']['value'] = float("%d.%d" % (pressure_integer, pressure_decimal))
|
||||
print("Pressure: %f" % last_measures['pressure']['value'])
|
||||
|
||||
|
||||
def humidity_notification(value, user_data):
|
||||
last_measures['humidity']['value'] = value[0]
|
||||
print("Humidity: %d%%" % last_measures['humidity']['value'])
|
||||
|
||||
|
||||
# Data Placeholders
|
||||
temperature = zeros(0)
|
||||
humidity = zeros(0)
|
||||
t = zeros(0)
|
||||
x = 0.0
|
||||
xmax = 1000.0
|
||||
temp_line = None
|
||||
hum_line = None
|
||||
ax_temp = None
|
||||
ax_hum = None
|
||||
simulation = None
|
||||
|
||||
|
||||
def graph_init():
|
||||
global x
|
||||
global temperature, humidity, t
|
||||
global temp_line, hum_line
|
||||
global ax_temp, ax_hum
|
||||
global simulation
|
||||
|
||||
font = {'size' : 9}
|
||||
matplotlib.rc('font', **font)
|
||||
|
||||
# Setup figure and subplots
|
||||
f0 = figure(num=0, figsize=(12, 8)) # , dpi = 100)
|
||||
f0.suptitle("Nordic Thingy", fontsize=12)
|
||||
ax_temp = host_subplot(111)
|
||||
ax_hum = ax_temp.twinx()
|
||||
|
||||
# Set titles of subplots
|
||||
ax_temp.set_title('Temperature/Humidity vs Time')
|
||||
|
||||
# set y-limits
|
||||
ax_temp.set_ylim(0, 45)
|
||||
ax_hum.set_ylim(0, 100)
|
||||
|
||||
# sex x-limits
|
||||
ax_temp.set_xlim(0, xmax)
|
||||
ax_hum.set_xlim(0, xmax)
|
||||
|
||||
# Turn on grids
|
||||
ax_temp.grid(True)
|
||||
|
||||
# set label names
|
||||
ax_temp.set_xlabel("t")
|
||||
ax_temp.set_ylabel("temperature")
|
||||
ax_hum.set_ylabel("humidity")
|
||||
|
||||
temp_line, = ax_temp.plot(t, temperature, 'b-', label="temperature")
|
||||
hum_line, = ax_hum.plot(t, humidity, 'g-', label="humidity")
|
||||
|
||||
# set lagends
|
||||
ax_temp.legend([temp_line, hum_line], [temp_line.get_label(), hum_line.get_label()])
|
||||
|
||||
# interval: draw new frame every 'interval' ms
|
||||
# Note: We expose simulation to prevent Python garbage collector to rmeove it!
|
||||
simulation = animation.FuncAnimation(f0, graph_update, blit=False, interval=20)
|
||||
|
||||
plt.show()
|
||||
|
||||
|
||||
def graph_update(self):
|
||||
global x, xmax
|
||||
global temperature, humidity, t
|
||||
global temp_line, hum_line
|
||||
|
||||
if last_measures['temperature']['value']:
|
||||
temperature = append(temperature, last_measures['temperature']['value'])
|
||||
if last_measures['temperature']['min']:
|
||||
last_measures['temperature']['min'] = min(last_measures['temperature']['min'], last_measures['temperature']['value'] - 5)
|
||||
else:
|
||||
last_measures['temperature']['min'] = last_measures['temperature']['value'] - 5
|
||||
if last_measures['temperature']['max']:
|
||||
last_measures['temperature']['max'] = max(last_measures['temperature']['max'], last_measures['temperature']['value'] + 5)
|
||||
else:
|
||||
last_measures['temperature']['max'] = last_measures['temperature']['value'] + 5
|
||||
|
||||
ax_temp.set_ylim(last_measures['temperature']['min'], last_measures['temperature']['max'])
|
||||
|
||||
if last_measures['humidity']['value']:
|
||||
humidity = append(humidity, last_measures['humidity']['value'])
|
||||
if last_measures['humidity']['min']:
|
||||
last_measures['humidity']['min'] = min(last_measures['humidity']['min'], last_measures['humidity']['value'] - 20)
|
||||
else:
|
||||
last_measures['humidity']['min'] = last_measures['humidity']['value'] - 20
|
||||
if last_measures['humidity']['max']:
|
||||
last_measures['humidity']['max'] = max(last_measures['humidity']['max'], last_measures['humidity']['value'] + 20)
|
||||
else:
|
||||
last_measures['humidity']['max'] = last_measures['humidity']['value'] + 20
|
||||
|
||||
ax_hum.set_ylim(last_measures['humidity']['min'], last_measures['humidity']['max'])
|
||||
|
||||
t = append(t, x)
|
||||
|
||||
x += 0.05
|
||||
|
||||
temp_line.set_data(t, temperature)
|
||||
hum_line.set_data(t, humidity)
|
||||
|
||||
if x >= xmax - 1.00:
|
||||
temp_line.axes.set_xlim(x - xmax + 1.0, x + 1.0)
|
||||
hum_line.axes.set_xlim(x - xmax + 1.0, x + 1.0)
|
||||
|
||||
return temp_line, hum_line
|
||||
from gattlib import device
|
||||
|
||||
from environment_service import environment_service
|
||||
from sound_service import sound_service
|
||||
|
||||
if __name__ == '__main__':
|
||||
parser = argparse.ArgumentParser(description='Gattlib example for Nordic Thingy')
|
||||
parser.add_argument('mac', type=str, help='Mac Address of the GATT device to connect')
|
||||
subparsers = parser.add_subparsers(help='sub-command help')
|
||||
|
||||
environment_parser = subparsers.add_parser('environment', help='Environment Command')
|
||||
environment_parser.set_defaults(func=environment_service)
|
||||
|
||||
sound_parser = subparsers.add_parser('sound', help='Sound Command')
|
||||
sound_parser.add_argument('--wav', type=str, help='WAV file to play')
|
||||
sound_parser.set_defaults(func=sound_service)
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
NORDIC_THINGY_WEATHER_STATION_SERVICE = uuid.gattlib_uuid_str_to_int("EF680200-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_TEMPERATURE_CHAR = uuid.gattlib_uuid_str_to_int("EF680201-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_PRESSURE_CHAR = uuid.gattlib_uuid_str_to_int("EF680202-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_HUMIDITY_CHAR = uuid.gattlib_uuid_str_to_int("EF680203-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_AIR_QUALITY_CHAR = uuid.gattlib_uuid_str_to_int("EF680204-9B35-4933-9B10-52FFA9740042")
|
||||
if not hasattr(args, 'func'):
|
||||
raise RuntimeError("Please specify the command to launch: 'environment', 'sound'")
|
||||
|
||||
gatt_device = device.Device(adapter=None, addr=args.mac)
|
||||
gatt_device.connect()
|
||||
gatt_device.discover()
|
||||
|
||||
temperature_characteristic = gatt_device.characteristics[NORDIC_THINGY_TEMPERATURE_CHAR]
|
||||
pressure_characteristic = gatt_device.characteristics[NORDIC_THINGY_PRESSURE_CHAR]
|
||||
humidity_characteristic = gatt_device.characteristics[NORDIC_THINGY_HUMIDITY_CHAR]
|
||||
air_quality_characteristic = gatt_device.characteristics[NORDIC_THINGY_AIR_QUALITY_CHAR]
|
||||
|
||||
# Initialize graph
|
||||
threading.Thread(target=graph_init).start()
|
||||
|
||||
try:
|
||||
DBusGMainLoop(set_as_default=True)
|
||||
mainloop = GLib.MainLoop()
|
||||
|
||||
temperature_characteristic.register_notification(temperature_notification)
|
||||
temperature_characteristic.notification_start()
|
||||
|
||||
pressure_characteristic.register_notification(pressure_notification)
|
||||
pressure_characteristic.notification_start()
|
||||
|
||||
humidity_characteristic.register_notification(humidity_notification)
|
||||
humidity_characteristic.notification_start()
|
||||
|
||||
mainloop.run()
|
||||
except KeyboardInterrupt:
|
||||
mainloop.quit()
|
||||
finally:
|
||||
humidity_characteristic.notification_stop()
|
||||
pressure_characteristic.notification_stop()
|
||||
temperature_characteristic.notification_stop()
|
||||
gatt_device.disconnect()
|
||||
# Launch the sub-command specific function
|
||||
args.func(args, gatt_device)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,122 @@
|
|||
import time
|
||||
import threading
|
||||
import wave
|
||||
|
||||
from gattlib import uuid
|
||||
|
||||
from dbus.mainloop.glib import DBusGMainLoop
|
||||
try:
|
||||
from gi.repository import GLib, GObject
|
||||
except ImportError:
|
||||
import gobject as GObject
|
||||
|
||||
m_thingy_buffer_free = threading.Event()
|
||||
m_mainloop = None
|
||||
|
||||
|
||||
def speaker_status_notification(value, user_data):
|
||||
global m_thingy_buffer_free
|
||||
|
||||
if value == b'\x01':
|
||||
print("Thingy's Buffer warning")
|
||||
m_thingy_buffer_free.clear()
|
||||
elif value == b'\x02':
|
||||
print("Thingy's Buffer ready")
|
||||
m_thingy_buffer_free.set()
|
||||
elif value == b'\x10':
|
||||
print("Thingy's Packet disregarded")
|
||||
elif value == b'\x11':
|
||||
print("Thingy's Invalid command")
|
||||
elif value == b'\x00':
|
||||
print("Thingy's Finished")
|
||||
else:
|
||||
raise RuntimeError("Invalid Speaker notification value: %s" % value)
|
||||
|
||||
|
||||
def play_sample(config_characteristic, speaker_characteristic):
|
||||
# Read the current configuration and only change the speaker configuration (not the microphone configuration)
|
||||
sound_config = config_characteristic.read()
|
||||
sound_config[0] = 0x03
|
||||
config_characteristic.write(sound_config)
|
||||
# Test speaker
|
||||
speaker_characteristic.write(b'\x03')
|
||||
m_mainloop.quit()
|
||||
|
||||
|
||||
def play_wav_file(config_characteristic, speaker_characteristic, wav_filepath):
|
||||
global m_thingy_buffer_free
|
||||
|
||||
wav_file = wave.open(wav_filepath)
|
||||
|
||||
# Python library only support non-compressed WAV file
|
||||
if wav_file.getcomptype() != 'NONE':
|
||||
raise RuntimeError("Please give a non-compressed WAV file")
|
||||
if wav_file.getsampwidth() != 1:
|
||||
raise RuntimeError("Nordic Thingy52 only supports 8-bit WAV file")
|
||||
if wav_file.getframerate() != 8000:
|
||||
raise RuntimeError("Nordic Thingy52 only supports 8kHz WAV file")
|
||||
if wav_file.getnchannels() == 2:
|
||||
print("Warning: Your WAV file is a stereo file")
|
||||
|
||||
frames = wav_file.readframes(wav_file.getnframes())
|
||||
|
||||
# Read the current configuration and only change the speaker configuration (not the microphone configuration)
|
||||
sound_config = config_characteristic.read()
|
||||
sound_config[0] = 0x02
|
||||
config_characteristic.write(sound_config)
|
||||
|
||||
stream = speaker_characteristic.stream_open()
|
||||
|
||||
# We assume the buffer is free when we start
|
||||
m_thingy_buffer_free.set()
|
||||
|
||||
# We send one frame at a time
|
||||
max_frame_size = stream.mtu * 1
|
||||
|
||||
while len(frames) > 0:
|
||||
if not m_thingy_buffer_free.is_set():
|
||||
m_thingy_buffer_free.wait()
|
||||
|
||||
stream.write(frames[0:max_frame_size])
|
||||
frames = frames[max_frame_size:]
|
||||
|
||||
# Arbitraty value
|
||||
time.sleep(0.03)
|
||||
|
||||
stream.close()
|
||||
print("All WAV file has been sent")
|
||||
m_mainloop.quit()
|
||||
|
||||
|
||||
def sound_service(args, gatt_device):
|
||||
global m_mainloop
|
||||
|
||||
NORDIC_THINGY_SOUND_SERVICE = uuid.gattlib_uuid_str_to_int("EF680500-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_CONFIG_CHAR = uuid.gattlib_uuid_str_to_int("EF680501-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_SPEAKER_CHAR = uuid.gattlib_uuid_str_to_int("EF680502-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_SPEAKER_STATUS_CHAR = uuid.gattlib_uuid_str_to_int("EF680503-9B35-4933-9B10-52FFA9740042")
|
||||
NORDIC_THINGY_MICROPHONE_CHAR = uuid.gattlib_uuid_str_to_int("EF680504-9B35-4933-9B10-52FFA9740042")
|
||||
|
||||
config_characteristic = gatt_device.characteristics[NORDIC_THINGY_CONFIG_CHAR]
|
||||
speaker_characteristic = gatt_device.characteristics[NORDIC_THINGY_SPEAKER_CHAR]
|
||||
speaker_status_characteristic = gatt_device.characteristics[NORDIC_THINGY_SPEAKER_STATUS_CHAR]
|
||||
microphone_characteristic = gatt_device.characteristics[NORDIC_THINGY_MICROPHONE_CHAR]
|
||||
|
||||
try:
|
||||
DBusGMainLoop(set_as_default=True)
|
||||
m_mainloop = GLib.MainLoop()
|
||||
|
||||
speaker_status_characteristic.register_notification(speaker_status_notification)
|
||||
speaker_status_characteristic.notification_start()
|
||||
|
||||
if args.wav:
|
||||
threading.Thread(target=play_wav_file, args=(config_characteristic, speaker_characteristic, args.wav)).start()
|
||||
else:
|
||||
threading.Thread(target=play_sample, args=(config_characteristic, speaker_characteristic)).start()
|
||||
|
||||
m_mainloop.run()
|
||||
except KeyboardInterrupt:
|
||||
m_mainloop.quit()
|
||||
finally:
|
||||
speaker_status_characteristic.notification_stop()
|
||||
gatt_device.disconnect()
|
||||
Loading…
Reference in New Issue