def _ble_evt_attclient_find_information_found(self, args):
"""
Handles the event for characteristic discovery.
Adds the characteristic to the dictionary of characteristics or adds
the descriptor to the dictionary of descriptors in the current
characteristic. These events will be occur in an order similar to the
following:
1) primary service uuid
2) 0 or more descriptors
3) characteristic uuid
4) 0 or more descriptors
5) repeat steps 3-4
args -- dictionary containing the characteristic handle ('chrhandle'),
and characteristic UUID ('uuid')
"""
raw_uuid = bytearray(reversed(args['uuid']))
# Convert 4-byte UUID shorthand to a full, 16-byte UUID
uuid_type = self._get_uuid_type(raw_uuid)
if uuid_type != UUIDType.custom:
uuid = uuid16_to_uuid(
int(bgapi_address_to_hex(args['uuid']).replace(':', ''), 16))
else:
uuid = UUID(bytes=bytes(raw_uuid))
# TODO is there a way to get the characteristic from the packet instead
# of having to track the "current" characteristic?
if uuid_type == UUIDType.descriptor:
log.info("Found descriptor %s" % uuid)
if self._current_characteristic is not None:
self._current_characteristic.add_descriptor(
uuid, args['chrhandle'])
elif self._current_service is not None:
self._current_service.add_descriptor(uuid, args['chrhandle'])
elif (uuid_type == UUIDType.custom or uuid_type == UUIDType.nonstandard
or uuid_type == UUIDType.characteristic):
if uuid_type == UUIDType.custom:
log.info("Found custom characteristic %s" % uuid)
elif uuid_type == UUIDType.characteristic:
log.info("Found approved characteristic %s" % uuid)
elif uuid_type == UUIDType.nonstandard:
log.info("Found nonstandard 4-byte characteristic %s" % uuid)
new_char = Characteristic(uuid, args['chrhandle'])
self._current_characteristic = new_char
if self._current_service is not None:
self._current_service.add_characteristic(new_char)
def test_discover_characteristics(self):
device = self._connect()
uuid_char = UUID('01234567-0123-0123-0123-0123456789AB')
handle_char = 0x1234
uuid_desc = '2902'
handle_desc = 0x5678
self.mock_device.stage_discover_characteristics_packets(
[str(uuid_char), handle_char, uuid_desc, handle_desc])
characteristics = device.discover_characteristics()
eq_(characteristics[uuid_char].handle, handle_char)
eq_(characteristics[uuid_char].descriptors[uuid16_to_uuid(0x2902)],
handle_desc)
def test_read_nonstandard_4byte_char(self):
device = self._connect()
uuid_char = 0x03ea
handle_char = 0x1234
uuid_desc = '2902'
handle_desc = 0x5678
self.mock_device.stage_discover_characteristics_packets(
["03ea", handle_char, uuid_desc, handle_desc])
expected_value = [0xBE, 0xEF, 0x15, 0xF0, 0x0D]
self.mock_device.stage_char_read_packets(handle_char, 0x00,
expected_value)
value = device.char_read(UUID(str(uuid16_to_uuid(uuid_char))))
eq_(bytearray(expected_value), value)
def test_discover_characteristics(self):
device = self._connect()
uuid_char = UUID('01234567-0123-0123-0123-0123456789AB')
handle_char = 0x1234
uuid_desc = '2902'
handle_desc = 0x5678
self.mock_device.stage_discover_characteristics_packets([
str(uuid_char), handle_char,
uuid_desc, handle_desc])
characteristics = device.discover_characteristics()
eq_(characteristics[uuid_char].handle, handle_char)
eq_(characteristics[uuid_char].descriptors[uuid16_to_uuid(0x2902)],
handle_desc)
def test_read_nonstandard_4byte_char(self):
device = self._connect()
uuid_char = 0x03ea
handle_char = 0x1234
uuid_desc = '2902'
handle_desc = 0x5678
self.mock_device.stage_discover_characteristics_packets([
"03ea", handle_char,
uuid_desc, handle_desc])
expected_value = [0xBE, 0xEF, 0x15, 0xF0, 0x0D]
self.mock_device.stage_char_read_packets(
handle_char, 0x00, expected_value)
value = device.char_read(UUID(str(uuid16_to_uuid(uuid_char))))
eq_(bytearray(expected_value), value)
def _ble_evt_attclient_find_information_found(self, args):
"""
Handles the event for characteritic discovery.
Adds the characteristic to the dictionary of characteristics or adds
the descriptor to the dictionary of descriptors in the current
characteristic. These events will be occur in an order similar to the
following:
1) primary service uuid
2) 0 or more descriptors
3) characteristic uuid
4) 0 or more descriptors
5) repeat steps 3-4
args -- dictionary containing the characteristic handle ('chrhandle'),
and characteristic UUID ('uuid')
"""
raw_uuid = bytearray(reversed(args['uuid']))
# Convert 4-byte UUID shorthand to a full, 16-byte UUID
uuid_type = self._get_uuid_type(raw_uuid)
if uuid_type != UUIDType.custom:
uuid = uuid16_to_uuid(int(
bgapi_address_to_hex(args['uuid']).replace(':', ''), 16))
else:
uuid = UUID(bytes=bytes(raw_uuid))
# TODO is there a way to get the characteristic from the packet instead
# of having to track the "current" characteristic?
if (uuid_type == UUIDType.descriptor and
self._current_characteristic is not None):
self._current_characteristic.add_descriptor(uuid, args['chrhandle'])
elif (uuid_type == UUIDType.custom or
uuid_type == UUIDType.nonstandard or
uuid_type == UUIDType.characteristic):
if uuid_type == UUIDType.custom:
log.info("Found custom characteristic %s" % uuid)
elif uuid_type == UUIDType.characteristic:
log.info("Found approved characteristic %s" % uuid)
elif uuid_type == UUIDType.nonstandard:
log.info("Found nonstandard 4-byte characteristic %s" % uuid)
new_char = Characteristic(uuid, args['chrhandle'])
self._current_characteristic = new_char
self._characteristics[
args['connection_handle']][uuid] = new_char
def _ble_evt_attclient_group_found(self, args):
"""
Handles the event for service discovery.
Adds the characteristic to the dictionary of characteristics or adds
the descriptor to the dictionary of descriptors in the current
characteristic. These events will be occur in an order similar to the
following:
"""
log.debug("Service found UUID = %s", args['uuid'])
log.debug("Attribute handle start = %x", args['start'])
log.debug("Attribute handle end = %x", args['end'])
raw_uuid = bytearray(reversed(args['uuid']))
uuid_type = self._get_uuid_type(raw_uuid)
if uuid_type != UUIDType.custom:
uuid = uuid16_to_uuid(
int(bgapi_address_to_hex(args['uuid']).replace(':', ''), 16))
else:
uuid = UUID(bytes=bytes(raw_uuid))
new_srvc = Service(uuid, args['start'], args['end'])
self._services[args['connection_handle']][uuid] = new_srvc
from __future__ import division
import logging
import ServiceAWS as aws
from pygatt.util import uuid16_to_uuid
from pygatt.exceptions import NotConnectedError
from Utils import connect_ble
from time import sleep
logging.basicConfig()
logging.getLogger('pygatt').setLevel(logging.DEBUG)
uuid_heart_service = uuid16_to_uuid(0x2A37)
uuid_battery_service = uuid16_to_uuid(0x2A19)
uuid_set_sensor_location = uuid16_to_uuid(0x2A39)
uuid_get_sensor_location = uuid16_to_uuid(0x2A38)
device = None
cf_control_point_turn_off = 0
cf_control_point_turn_on = 1
cf_control_point_short_coffee = 2
cf_control_point_long_coffee = 3
cf_control_point_level_water = 4
cf_control_point_level_coffee = 5
cf_control_point_glass_position = 6
cf_control_point_update = 7
ON = '1'
OFF = '0'
inUse = 2
