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

# 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 = (0x3f << 24) | (0x1A << 16)
_NNP_FLOOD_FILL_START = 6


[docs]class FloodFillData(AbstractSCPRequest): """ A request to start a flood fill of data """ __slots__ = [ "_data_to_write", "_offset", "_size"] def __init__(self, nearest_neighbour_id, block_no, base_address, data, offset=0, length=None): """ :param int nearest_neighbour_id: The ID of the packet, between 0 and 127 :param int block_no: Which block this block is, between 0 and 255 :param int base_address: The base address where the data is to be loaded :param bytes data: The data to load, between 4 and 256 bytes and the size must be divisible by 4 """ # pylint: disable=too-many-arguments self._size = length self._offset = offset self._data_to_write = data if length is None: self._size = len(data) argument_1 = _NNP_FORWARD_RETRY | nearest_neighbour_id argument_2 = (block_no << 16) | (((self._size // 4) - 1) << 8) 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_FFD), argument_1=argument_1, argument_2=argument_2, argument_3=base_address, data=None) @property def bytestring(self): datastring = super().bytestring data = self._data_to_write[self._offset:self._offset + self._size] return datastring + bytes(data)
[docs] @overrides(AbstractSCPRequest.get_scp_response) def get_scp_response(self): return CheckOKResponse("Flood Fill", "CMD_NNP:NNP_FFS")