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module bluerpc.ble_scan

class BLEScanner

This class is used to scan for Bluetooth Low-Energy devices and store the results as ready-to-send proto objects

method __init__

__init__(adapter) → None

method check_filters

check_filters(device: BLEDevice) → bool

Check Filters

Args:

  • device: bleak device

Returns: True if the device matches at least one of the filters (defined in the scan method) or that there is no filters

method detection_callback

detection_callback(
    device: BLEDevice,
    advertisement_data: AdvertisementData
) → None

Detection callback

Called from the Bleak Scanner for each device discovered Applies the remaining filters, creates the proto objects and adds them to the queues

Args:

  • device: bleak device
  • advertisement_data: bleak advertisement data

method restart_scan

restart_scan() → None

Restart the scanner

Useful to restart the scanner after it was temporarily stopped to connect to a device

method scan

scan(active: bool, interval: int, filters: List[BLEScanFilter]) → None

Start scanner method

Args:

  • active: if the scanner should be in active or passive mode
  • interval: interval to send messages
  • filters: list of filters to apply for scanning, services uuid are processed directly by bleak, others are post-processed

method stop_scan

stop_scan() → None

Stop scanner method

Stops the scanner if not already stopped

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