Source code for spinnman.messages.scp.abstract_messages.bmp_request
# Copyright (c) 2015 The University of Manchester
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Generic, Iterable, Optional, TypeVar, Union
from typing_extensions import TypeAlias
from spinnman.messages.sdp import SDPFlag, SDPHeader
from spinnman.messages.scp import SCPRequestHeader
from .bmp_response import BMPResponse
from .scp_request import AbstractSCPRequest
#: The type of boards parameters.
Boards: TypeAlias = Union[int, Iterable[int]]
R = TypeVar("R", bound=BMPResponse)
class BMPRequest( # pylint: disable=abstract-method
AbstractSCPRequest[R], Generic[R]):
"""
An SCP request intended to be sent to a BMP.
"""
__slots__ = ()
def __init__(self, boards: Boards,
scp_request_header: SCPRequestHeader,
argument_1: Optional[int] = None,
argument_2: Optional[int] = None,
argument_3: Optional[int] = None,
data: Optional[bytes] = None):
"""
:param boards: The board or boards to be addressed by this request
:type boards: int or list(int) or tuple(int)
:param SCPRequestHeader scp_request_header: The SCP request header
:param int argument_1: The optional first argument
:param int argument_2: The optional second argument
:param int argument_3: The optional third argument
:param bytes data: The optional data to be sent
"""
# pylint: disable=too-many-arguments
sdp_header = SDPHeader(
flags=SDPFlag.REPLY_EXPECTED, destination_port=0,
destination_cpu=BMPRequest.get_first_board(boards),
destination_chip_x=0, destination_chip_y=0)
super().__init__(
sdp_header, scp_request_header,
argument_1, argument_2, argument_3, data)
[docs]
@staticmethod
def get_first_board(boards: Boards) -> int:
"""
Get the first board ID given a board ID or collection of board IDs.
"""
if isinstance(boards, int):
return boards
return min(boards)
[docs]
@staticmethod
def get_board_mask(boards: Boards) -> int:
"""
Get the board mask given a board ID or collection of board IDs.
"""
if isinstance(boards, int):
return 1 << boards
return sum(1 << board for board in boards)