Source code for spinnman.messages.scp.impl.flood_fill_start

# Copyright (c) 2017-2019 The University of Manchester
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from spinn_utilities.overrides import overrides
from spinnman.messages.scp import SCPRequestHeader
from spinnman.messages.scp.abstract_messages import AbstractSCPRequest
from spinnman.messages.scp.enums import SCPCommand
from spinnman.messages.sdp import SDPFlag, SDPHeader
from .check_ok_response import CheckOKResponse

_NNP_FORWARD_RETRY = (1 << 31) | (0x3f << 8) | 0x1A
_NNP_FLOOD_FILL_START = 6


[docs]class FloodFillStart(AbstractSCPRequest): """ A request to start a flood fill of data """ __slots__ = [] def __init__(self, nearest_neighbour_id, n_blocks, x=None, y=None): """ :param int nearest_neighbour_id: The ID of the packet, between 0 and 127 :param int n_blocks: The number of blocks of data that will be sent, between 0 and 255 :param int x: The x-coordinate of the chip to load the data on to. If not specified, the data will be loaded on to all chips :param int y: The y-coordinate of the chip to load the data on to. If not specified, the data will be loaded on to all chips """ key = ((_NNP_FLOOD_FILL_START << 24) | (nearest_neighbour_id << 16) | (n_blocks << 8)) data = 0xFFFF if x is not None and y is not None: m = ((y & 3) * 4) + (x & 3) data = (((x & 0xfc) << 24) + ((y & 0xfc) << 16) + (3 << 16) + (1 << m)) super().__init__( SDPHeader( flags=SDPFlag.REPLY_EXPECTED, destination_port=0, destination_cpu=0, destination_chip_x=self.DEFAULT_DEST_X_COORD, destination_chip_y=self.DEFAULT_DEST_Y_COORD), SCPRequestHeader(command=SCPCommand.CMD_NNP), argument_1=key, argument_2=data, argument_3=_NNP_FORWARD_RETRY)
[docs] @overrides(AbstractSCPRequest.get_scp_response) def get_scp_response(self): return CheckOKResponse("Flood Fill", "CMD_NNP:NNP_FFS")