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Gilles Boccon-Gibod
2022-08-04 14:08:24 -07:00
parent 4d96b821bc
commit 7c4b042026
3 changed files with 141 additions and 21 deletions
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60
bumble/device.py
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@@ -644,6 +644,9 @@ class Device(CompositeEventEmitter):
# Done
self.powered_on = True
def supports_le_feature(self, feature):
return self.host.supports_le_feature(feature)
async def start_advertising(self, auto_restart=False):
self.auto_restart_advertising = auto_restart
@@ -710,21 +713,50 @@ class Device(CompositeEventEmitter):
if scan_window < DEVICE_MIN_SCAN_WINDOW or scan_window > DEVICE_MAX_SCAN_WINDOW:
raise ValueError('scan_interval out of range')
# Set the scanning parameters
scan_type = HCI_LE_Set_Scan_Parameters_Command.ACTIVE_SCANNING if active else HCI_LE_Set_Scan_Parameters_Command.PASSIVE_SCANNING
await self.send_command(HCI_LE_Set_Scan_Parameters_Command(
le_scan_type = scan_type,
le_scan_interval = int(scan_window / 0.625),
le_scan_window = int(scan_window / 0.625),
own_address_type = own_address_type,
scanning_filter_policy = HCI_LE_Set_Scan_Parameters_Command.BASIC_UNFILTERED_POLICY
))
if self.supports_le_feature(HCI_LE_EXTENDED_ADVERTISING_LE_SUPPORTED_FEATURE):
# Set the scanning parameters
scan_type = HCI_LE_Set_Extended_Scan_Parameters_Command.ACTIVE_SCANNING if active else HCI_LE_Set_Extended_Scan_Parameters_Command.PASSIVE_SCANNING
scanning_filter_policy = HCI_LE_Set_Extended_Scan_Parameters_Command.BASIC_UNFILTERED_POLICY # TODO: support other types
scanning_phys = 1 << HCI_LE_Set_Extended_Scan_Parameters_Command.LE_1M_PHY
scanning_phy_count = 1
# if self.supports_le_feature(HCI_LE_CODED_PHY_LE_SUPPORTED_FEATURE):
# scanning_phys |= 1 << HCI_LE_Set_Extended_Scan_Parameters_Command.LE_CODED_PHY
# scanning_phy_count += 1
await self.send_command(HCI_LE_Set_Extended_Scan_Parameters_Command(
own_address_type = own_address_type,
scanning_filter_policy = scanning_filter_policy,
scanning_phys = scanning_phys,
scan_types = [scan_type] * scanning_phy_count,
scan_intervals = [int(scan_window / 0.625)] * scanning_phy_count,
scan_windows = [int(scan_window / 0.625)] * scanning_phy_count
))
# Enable scanning
await self.send_command(HCI_LE_Set_Extended_Scan_Enable_Command(
enable = 1,
filter_duplicates = 1 if filter_duplicates else 0,
duration = 0, # TODO allow other values
period = 0 # TODO allow other values
))
else:
# Set the scanning parameters
scan_type = HCI_LE_Set_Scan_Parameters_Command.ACTIVE_SCANNING if active else HCI_LE_Set_Scan_Parameters_Command.PASSIVE_SCANNING
await self.send_command(HCI_LE_Set_Scan_Parameters_Command(
le_scan_type = scan_type,
le_scan_interval = int(scan_window / 0.625),
le_scan_window = int(scan_window / 0.625),
own_address_type = own_address_type,
scanning_filter_policy = HCI_LE_Set_Scan_Parameters_Command.BASIC_UNFILTERED_POLICY
))
# Enable scanning
await self.send_command(HCI_LE_Set_Scan_Enable_Command(
le_scan_enable = 1,
filter_duplicates = 1 if filter_duplicates else 0
))
# Enable scanning
await self.send_command(HCI_LE_Set_Scan_Enable_Command(
le_scan_enable = 1,
filter_duplicates = 1 if filter_duplicates else 0
))
self.scanning = True
async def stop_scanning(self):