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Add LMP feature reader

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This commit is contained in:
Josh Wu
2024-01-30 14:33:19 +08:00
parent ef0b30d059
commit e308051885
4 changed files with 308 additions and 2 deletions
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30
bumble/host.py
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@@ -167,6 +167,7 @@ class Host(AbortableEventEmitter):
self.local_version = None
self.local_supported_commands = bytes(64)
self.local_le_features = 0
self.local_lmp_features = hci.LmpFeatureMask(0) # Classic LMP features
self.suggested_max_tx_octets = 251 # Max allowed
self.suggested_max_tx_time = 2120 # Max allowed
self.command_semaphore = asyncio.Semaphore(1)
@@ -247,6 +248,32 @@ class Host(AbortableEventEmitter):
)
self.local_version = response.return_parameters
if self.supports_command(hci.HCI_READ_LOCAL_EXTENDED_FEATURES_COMMAND):
max_page_number = 0
page_number = 0
lmp_features = 0
while page_number <= max_page_number:
response = await self.send_command(
hci.HCI_Read_Local_Extended_Features_Command(
page_number=page_number
),
check_result=True,
)
lmp_features |= int.from_bytes(
response.return_parameters.extended_lmp_features, 'little'
) << (64 * page_number)
max_page_number = response.return_parameters.maximum_page_number
page_number += 1
self.local_lmp_features = hci.LmpFeatureMask(lmp_features)
elif self.supports_command(hci.HCI_READ_LOCAL_SUPPORTED_FEATURES_COMMAND):
response = await self.send_command(
hci.HCI_Read_Local_Supported_Features_Command(), check_result=True
)
self.local_lmp_features = hci.LmpFeatureMask(
int.from_bytes(response.return_parameters.lmp_features, 'little')
)
await self.send_command(
hci.HCI_Set_Event_Mask_Command(
event_mask=hci.HCI_Set_Event_Mask_Command.mask(
@@ -585,6 +612,9 @@ class Host(AbortableEventEmitter):
def supports_le_features(self, feature: hci.LeFeatureMask) -> bool:
return (self.local_le_features & feature) == feature
def supports_lmp_features(self, feature: hci.LmpFeatureMask) -> bool:
return self.local_lmp_features & (feature) == feature
@property
def supported_le_features(self):
return [