uxplay-beacon improvements

This commit is contained in:
F. Duncanh
2026-03-09 05:10:25 -04:00
parent 938735d25c
commit 445f5f139c
5 changed files with 87 additions and 99 deletions

View File

@@ -24,13 +24,14 @@ The best choice for host platform is made unless option BleuIO is used.
.TP
\fB\--ipv4\fR ip Override automatically-found ipv4 address for contacting UxPlay
.TP
\fB\--AdvMin\fR x Minimum Advertising interval in msecs (>= 100)
\fB\--advmin\fR x Minimum Advertising interval in msecs (>= 100)
.TP
\fB\--AdvMax\fR y Maximum Advertising interval in msecs (>= AdvMin, <= 102400)
\fB\--advmax\fR y Maximum Advertising interval in msecs (>= advmin, <= 102400)
.TP
\fB\--index\fR x Used to distinguish different instances of beacons
\fB\--index\fR x Used to distinguish different instances of BlueZ beacons
.TP
\fB\--serial\fR p Override automatically-found serial port for BleuIO device
\fB\--device\fR p Specify an address for a required device
.TP
\fB \-h, --help\fR Show help text.
.SH

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@@ -2,7 +2,7 @@
# SPDX-License-Identifier: LGPL-2.1-or-later
# adapted from https://github.com/bluez/bluez/blob/master/test/example-advertisement
#----------------------------------------------------------------
# a standalone python-3.6 or later DBus-based AirPlay Service-Discovery Bluetooth LE beacon for UxPlay
# a standalone python-3.6 or later AirPlay Service-Discovery Bluetooth LE beacon for UxPlay
# (c) F. Duncanh, October 2025
import sys
@@ -15,25 +15,9 @@ try:
except ImportError as e:
print(f'ImportError: {e}, failed to import GLib from Python GObject Introspection Library ("gi")')
print('Install PyGObject pip3 install PyGobject==3.50.0')
print(f'You may need to use pip option "--break-system-packages" (disregard the warning)')
raise SystemExit(1)
import platform
os_name = platform.system()
windows = 'Windows'
linux = 'Linux'
macos = 'Darwin'
advertised_port = None
advertised_address = None
def check_port(port):
if advertised_port is None or port == advertised_port:
return True
else:
return False
import importlib
import argparse
import textwrap
@@ -41,6 +25,7 @@ import os
import struct
import socket
import time
import platform
try:
import psutil
@@ -53,13 +38,17 @@ except ImportError as e:
beacon_is_running = False
beacon_is_pending_on = False
beacon_is_pending_off = False
advertised_port = None
port = None
advmin = None
advmax = None
ipv4_str = None
index = None
windows = 'Windows'
linux = 'Linux'
os_name = platform.system()
# external functions that must be supplied by loading a module:
from typing import Optional
def setup_beacon(ipv4_str: str, port: int, advmin: Optional[int], advmax: Optional[int], index: Optional[int]) -> int:
return 0
@@ -70,6 +59,10 @@ def beacon_on() ->bool:
def beacon_off() ->int:
return 0
def find_device(device: Optional[str]) -> Optional[str]:
return None
#internal functions
def start_beacon():
global beacon_is_running
global port
@@ -79,7 +72,9 @@ def start_beacon():
global index
setup_beacon(ipv4_str, port, advmin, advmax, index)
beacon_is_running = beacon_on()
if not beacon_is_running:
print(f'second attempt to start beacon:')
beacon_is_running = beacon_on()
def stop_beacon():
global beacon_is_running
@@ -90,6 +85,12 @@ def stop_beacon():
def pid_is_running(pid):
return psutil.pid_exists(pid)
def check_port(port):
if advertised_port is None or port == advertised_port:
return True
else:
return False
def check_process_name(pid, pname):
try:
process = psutil.Process(pid)
@@ -113,7 +114,6 @@ def check_pending():
beacon_is_pending_on = False
return True
def check_file_exists(file_path):
global port
global beacon_is_pending_on
@@ -167,15 +167,6 @@ def on_timeout(file_path):
check_file_exists(file_path)
return True
def process_input(value):
try:
my_integer = int(value)
return my_integer
except ValueError:
print(f'Error: could not convert "{value}" to integer: {my_integer}')
return None
def main(file_path_in, ipv4_str_in, advmin_in, advmax_in, index_in):
global ipv4_str
global advmin
@@ -242,8 +233,7 @@ if __name__ == '__main__':
Format: one entry (key, value) (or just ble_type) per line, e.g.:
BleuIO
--ipv4 192.168.1.100
(lines startng with with # are ignored)
(lines starting with with # are ignored)
'''
parser = argparse.ArgumentParser(
@@ -252,7 +242,6 @@ if __name__ == '__main__':
formatter_class=argparse.RawTextHelpFormatter
)
home_dir = os.environ.get('HOME')
if home_dir is None:
home_dir = os.path.expanduser("~")
@@ -300,7 +289,7 @@ if __name__ == '__main__':
'--advmin',
type=str,
default=None,
help='The minimum Advertising Interval (>= 100) units=msec, (default 100, BleuZ, BleuIO only).'
help='The minimum Advertising Interval (>= 100) units=msec, (default 100, BlueZ, BleuIO only).'
)
parser.add_argument(
'--advmax',
@@ -317,36 +306,36 @@ if __name__ == '__main__':
)
parser.add_argument(
'--serial',
'--device',
type=str,
default=None,
help='Specify port at which the BleuIO device can be found, (default None).'
help='Specify an address for a required device (default None, automatic detection will be attempted).'
)
# Parse the command-line arguments
args = parser.parse_args()
ipv4_str = None
path = None
serial_port = None
# script input arguments
ble_type = None
config_file = None
path = None
ipv4_str = None
advmin = None
advmax = None
index = None
device_address = None
if args.ble_type is not None:
ble_type = args.ble_type
#parse command line
args = parser.parse_args()
# look for a configuration file
if args.file != default_file:
if os.path.isfile(args.file):
config_file = args.file
else:
print ("optional argument --file ", args.file, "does not point to a valid file")
raise SystemExit(1)
if config_file is None and os.path.isfile(default_file):
config_file = default_file
# read configuration file,if present
if config_file is not None:
print("Read uxplay-beacon.py configuration file ", config_file)
try:
@@ -390,8 +379,8 @@ if __name__ == '__main__':
else:
print(f'Invalid config file input (--index) {value} in {args.file}')
raise SystemExit(1)
elif key == "--serial":
serial_port = value
elif key == "--device":
device_address = value
else:
print(f'Unknown key "{key}" in config file {args.file}')
raise SystemExit(1)
@@ -405,6 +394,7 @@ if __name__ == '__main__':
print('fPermissionError when trying to read configuration file {config_file}')
raise SystemExit(1)
# overwrite configuration file entries with command line entries
if args.ble_type is not None:
ble_type = args.ble_type
if args.path is not None:
@@ -417,9 +407,10 @@ if __name__ == '__main__':
advmax = args.advmax
if args.index is not None:
index = args.index
if args.serial is not None:
serial_port = args.serial
if args.device is not None:
device_address = args.device
# process arguments, exclude values not used by ble_type
if ble_type is None:
if os_name == windows:
ble_type = winrt
@@ -427,39 +418,40 @@ if __name__ == '__main__':
ble_type = bluez
else:
ble_type = bleuio
if ipv4_str == default_ipv4:
ipv4_str = get_ipv4()
if ipv4_str is None:
print(f'Failed to obtain Server IPv4 address with gethostbyname: provide it with option --ipv4')
raise SystemExit(1)
if advmin is not None:
if ble_type == winrt:
advmin = None
print(f' --advmin option is not used when ble_type = {winrt}')
print(f' --advmin option is not used when ble_type = {ble_type}')
else:
advmin = 100 #default value
if advmax is not None:
if ble_type == winrt:
advmax = None
print(f' --advmax option is not used when ble_type = {winrt}')
print(f' --advmax option is not used when ble_type = {ble_type}')
else:
advmax = 100 #default value
if ble_type == winrt:
advmin = None
advmax = None
if index is not None:
if ble_type != bluez:
index = None
print(f' --index option is only used when ble_type = {winrt}')
print(f' --index option is not used when ble_type = {ble_type}')
else:
index = 0 #default value
if ble_type != bluez:
index = None
if device_address is not None:
if ble_type == bluez or ble_type == winrt:
device_address = None
print(f' --device option is not used when ble_type = {ble_type}')
# import module for chosen ble_type
module = f'uxplay_beacon_module_{ble_type}'
print(f'Will use BLE module {module}.py')
try:
@@ -467,32 +459,35 @@ if __name__ == '__main__':
except ImportError as e:
print(f'Failed to import {module}: {e}')
raise SystemExit(1)
if ble_type == bleuio:
bleuio_port = ble.find_bleuio(serial_port)
if bleuio_port is None:
print(f'No BleuIO devices were found')
raise SystemExit(1)
if serial_port is not None and bleuio_port != serial_port:
print(f'Error: A BlueuIO device was NOT found at the port {serial_port} given as an optional argument')
print(f'(however BleuIO devices WERE found and are listed above')
raise SystemExit(1)
print(f'using the {bleuio} device at {bleuio_port}')
if ble_type != winrt:
advminmax = f'[advmin:advmax]={advmin}:{advmax}'
else:
advminmax = f''
if ble_type == bluez:
indx = f'index {index}'
else:
indx = f''
print(f'AirPlay Service-Discovery Bluetooth LE beacon: BLE file {path} {advminmax} {indx}')
print(f'Advertising IP address {ipv4_str}')
print(f'(Press Ctrl+C to exit)')
setup_beacon = ble.setup_beacon
beacon_on = ble.beacon_on
beacon_off = ble.beacon_off
need_device = False
if ble_type == bleuio:
# obtain serial port for BleuIO device
find_device = ble.find_device
need_device = True
if need_device:
use_device = find_device(device_address)
if use_device is None:
print(f'No devices needed for BLE type {ble_type} were found')
raise SystemExit(1)
if device_address is not None and use_device != device_address:
print(f'Error: A required device was NOT found at {device_address} given as an optional argument')
print(f'(however required devices WERE found and are listed above')
raise SystemExit(1)
print(f'using the required device found at {use_device}')
#start beacon
advminmax = f''
indx = f''
if ble_type != winrt:
advminmax = f'[advmin:advmax]={advmin}:{advmax}'
if ble_type == bluez:
indx = f'index {index}'
print(f'AirPlay Service-Discovery Bluetooth LE beacon: BLE file {path} {advminmax} {indx}')
print(f'Advertising IP address {ipv4_str}')
print(f'(Press Ctrl+C to exit)')
main(path, ipv4_str, advmin, advmax, index)

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@@ -1,8 +1,7 @@
#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
# adapted from https://github.com/bluez/bluez/blob/master/test/example-advertisement
#----------------------------------------------------------------
# a standalone python-3.6 or later bleuio-based AirPlay Service-Discovery Bluetooth LE beacon for UxPlay
# BleuIO (for BleuIO UB serial device) module for a standalone python-3.6 or later AirPlay Service-Discovery Bluetooth LE beacon for UxPlay
# (c) F. Duncanh, March 2026
@@ -28,7 +27,6 @@ serial_port = None
advertisement_parameters = None
airplay_advertisement = None
# --- Serial Communication Helper Functions ---
def send_at_command(serial_port, command):
# Sends an AT command and reads the response.
@@ -42,7 +40,6 @@ def send_at_command(serial_port, command):
)
return response_without_empty_lines
#check AdvInterval
def check_adv_intrvl(min, max):
if not (100 <= min):
@@ -134,7 +131,7 @@ def beacon_off() ->int:
return advertised_port
from typing import Optional
def find_bleuio(serial_port_in: Optional[str]) ->Optional[str]:
def find_device(serial_port_in: Optional[str]) ->Optional[str]:
global serial_port
serial_ports = list(list_ports.comports())
count = 0
@@ -154,11 +151,9 @@ def find_bleuio(serial_port_in: Optional[str]) ->Optional[str]:
if count == 1:
serial_port = p.device
print(f'=== detected BlueuIO {count}. port: {p.device} desc: {p.description} hwid: {p.hwid}')
if count>1:
print(f'warning: {count} BleueIO devices were found, the first found will be used')
print(f'(to override this choice, specify "--serial_port=..." in optional arguments')
print(f'(to override this choice, specify "--device =..." in optional arguments)')
return serial_port
print(f'Imported uxplay_beacon_module_BleuIO')

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@@ -1,4 +1,3 @@
#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
# adapted from https://github.com/bluez/bluez/blob/master/test/example-advertisement
#----------------------------------------------------------------

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@@ -1,4 +1,3 @@
#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
#----------------------------------------------------------------
# winrt (Windows) module for a standalone python-3.6 AirPlay Service-Discovery Bluetooth LE beacon for UxPlay
@@ -71,7 +70,6 @@ async def publish_advertisement():
try:
publisher.start()
print(f"AirPlay Service_Discovery Advertisement ({advertised_address}:{advertised_port}) registered")
except Exception as e:
print(f"Failed to start Publisher: {e}")
print(f"Publisher Status: {publisher.status.name}")