def keepingLEScanRunning(): #LE-Scanning gets disabled sometimes, especially if you have a lot of BLE connections, this thread periodically enables BLE scanning again
global BLERestartCounter
while True:
time.sleep(1)
now = time.time()
if now - lastBLEPacketReceived > args.watchdogtimer:
print("Watchdog: Did not receive any BLE packet within", int(now - lastBLEPacketReceived), "s. Restarting BLE scan. Count:", BLERestartCounter)
disable_le_scan(sock)
enable_le_scan(sock, filter_duplicates=False)
BLERestartCounter += 1
print("")
time.sleep(5) #give some time to take effect
def signal_handler(sig, frame):
if args.atc:
disable_le_scan(sock)
os._exit(0)
int(sensors[mac]["calpoint1"]),
int(sensors[mac]["calpoint2"]))
print(
"Humidity calibrated (2 points calibration): ",
measurement.humidity)
elif "humidityOffset" in sensors[mac]:
measurement.humidity = humidity + int(
sensors[mac]["humidityOffset"])
print("Humidity calibrated (offset calibration): ",
measurement.humidity)
else:
measurement.sensorname = mac
if (args.callback):
measurements.append(measurement)
#print("Length:", len(measurements))
print("")
if args.watchdogtimer:
keepingLEScanRunningThread = threading.Thread(
target=keepingLEScanRunning)
keepingLEScanRunningThread.start()
logging.debug("keepingLEScanRunningThread started")
# Blocking call (the given handler will be called each time a new LE
# advertisement packet is detected)
parse_le_advertising_events(sock,
handler=le_advertise_packet_handler,
debug=False)
except KeyboardInterrupt:
disable_le_scan(sock)
