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

# Copyright (c) 2014 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
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#     https://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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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")