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gattlib-py: add get_advertisement_data method

pull/166/head
Luca Weiss 2020-04-08 22:51:29 +02:00 committed by Olivier Martin
parent a8a06114e2
commit d40ac8e743
2 changed files with 47 additions and 0 deletions
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6
gattlib-py/gattlib/__init__.py
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@ -144,6 +144,12 @@ gattlib_register_on_disconnect.argtypes = [c_void_p, py_object, py_object]
gattlib_get_rssi_from_mac = gattlib.gattlib_get_rssi_from_mac
gattlib_get_rssi_from_mac.argtypes = [c_void_p, c_char_p, POINTER(c_int16)]
# int gattlib_get_advertisement_data(gatt_connection_t *connection,
# gattlib_advertisement_data_t **advertisement_data, size_t *advertisement_data_count,
# uint16_t *manufacturer_id, uint8_t **manufacturer_data, size_t *manufacturer_data_size)
gattlib_get_advertisement_data = gattlib.gattlib_get_advertisement_data
gattlib_get_advertisement_data.argtypes = [c_void_p, POINTER(POINTER(GattlibAdvertisementData)), POINTER(c_size_t), POINTER(c_uint16), POINTER(c_void_p), POINTER(c_size_t)]
# int gattlib_get_advertisement_data_from_mac(void *adapter, const char *mac_address,
# gattlib_advertisement_data_t **advertisement_data, size_t *advertisement_data_length,
# uint16_t *manufacturer_id, uint8_t **manufacturer_data, size_t *manufacturer_data_size)

41
gattlib-py/gattlib/device.py
View File

@ -108,6 +108,47 @@ class Device:
logging.debug("Characteristic UUID:0x%x" % characteristic.short_uuid)
def get_advertisement_data(self):
_advertisement_data = POINTER(GattlibAdvertisementData)()
_advertisement_data_count = c_size_t(0)
_manufacturer_id = c_uint16(0)
_manufacturer_data = c_void_p(None)
_manufacturer_data_len = c_size_t(0)
ret = gattlib_get_advertisement_data(self._connection,
byref(_advertisement_data), byref(_advertisement_data_count),
byref(_manufacturer_id),
byref(_manufacturer_data), byref(_manufacturer_data_len))
handle_return(ret)
advertisement_data = {}
manufacturer_data = None
for i in range(0, _advertisement_data_count.value):
service_data = _advertisement_data[i]
uuid = gattlib_uuid_to_int(service_data.uuid)
pointer_type = POINTER(c_byte * service_data.data_length)
c_bytearray = cast(service_data.data, pointer_type)
data = bytearray(service_data.data_length)
for i in range(service_data.data_length):
data[i] = c_bytearray.contents[i] & 0xFF
advertisement_data[uuid] = data
if _manufacturer_data_len.value > 0:
pointer_type = POINTER(c_byte * _manufacturer_data_len.value)
c_bytearray = cast(_manufacturer_data, pointer_type)
manufacturer_data = bytearray(_manufacturer_data_len.value)
for i in range(_manufacturer_data_len.value):
manufacturer_data[i] = c_bytearray.contents[i] & 0xFF
return advertisement_data, _manufacturer_id.value, manufacturer_data
@property
def services(self):
if not hasattr(self, '_services'):