Source code for spinnman.messages.scp.impl.flood_fill_data
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) | (0x18 << 16)
_NNP_FLOOD_FILL_START = 6
[docs]class FloodFillData(AbstractSCPRequest):
""" A request to start a flood fill of data
"""
def __init__(self, nearest_neighbour_id, block_no, base_address, data,
offset=0, length=None):
"""
:param nearest_neighbour_id: The id of the packet, between 0 and 127
:type nearest_neighbour_id: int
:param block_no: Which block this block is, between 0 and 255
:type block_no: int
:param base_address: The base address where the data is to be loaded
:type base_address: int
:param data: The data to load, between 4 and 256 bytes and the size\
must be divisible by 4
:type data: bytearray
"""
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(FloodFillData, self).__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(FloodFillData, self).bytestring
data = self._data_to_write[self._offset:self._offset + self._size]
return datastring + bytes(data)
[docs] def get_scp_response(self):
return CheckOKResponse("Flood Fill", "CMD_NNP:NNP_FFS")