gattlib/gattlib-py/examples/find_eddystone/find_eddystone.py

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Python
Executable File

#!/usr/bin/env python3
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright (c) 2016-2024, Olivier Martin <olivier@labapart.org>
#
import argparse
import time
from gattlib import adapter, mainloop
SCAN_TIMEOUT_SEC = 60
parser = argparse.ArgumentParser(description='Gattlib Find Eddystone device example')
parser.add_argument('--duration', default=SCAN_TIMEOUT_SEC, type=int, help='Duration of the BLE scanning')
args = parser.parse_args()
def on_eddystone_device_found(device, advertisement_data, manufacturer_id, manufacturer_data, user_data):
rssi = default_adapter.get_rssi_from_mac(device.mac_address)
print("Find Eddystone device %s (RSSI:%d)" % (device.mac_address, rssi))
# Service Data
eddystone_data = advertisement_data[adapter.EDDYSTONE_COMMON_DATA_UUID]
if eddystone_data[0] == adapter.EDDYSTONE_TYPE_UID:
print("Eddystone UID: TX Power:0x%x NID:%s BID:%s" % (eddystone_data[1], eddystone_data[2:12], eddystone_data[12:18]))
elif eddystone_data[0] == adapter.EDDYSTONE_TYPE_URL:
print("Eddystone URL: TX Power:0x%x URL:%s%s" % (eddystone_data[1], adapter.EDDYSTONE_URL_SCHEME_PREFIX[eddystone_data[2]], eddystone_data[3:].decode("utf-8")))
elif eddystone_data[0] == adapter.EDDYSTONE_TYPE_TLM:
print("Eddystone TLM")
elif eddystone_data[0] == adapter.EDDYSTONE_TYPE_EID:
print("Eddystone EID")
else:
print("Eddystone frame not supported: 0x%x" % eddystone_data[0])
# Use default adapter
default_adapter = adapter.Adapter()
def scan_ble_devices():
default_adapter.open()
# Scan for 'args.duration' seconds
default_adapter.scan_eddystone_enable(on_eddystone_device_found,
adapter.GATTLIB_EDDYSTONE_TYPE_UID | adapter.GATTLIB_EDDYSTONE_TYPE_URL | adapter.GATTLIB_EDDYSTONE_TYPE_TLM | adapter.GATTLIB_EDDYSTONE_TYPE_EID,
args.duration)
# Because scan_enable() is not blocking, we need to wait for the same duration
time.sleep(args.duration)
mainloop.run_mainloop_with(scan_ble_devices)