Source code for spinnman.messages.eieio.command_messages.spinnaker_request_buffers
from .eieio_command_message import EIEIOCommandMessage
from .eieio_command_header import EIEIOCommandHeader
from spinnman.constants import EIEIO_COMMAND_IDS
import struct
[docs]class SpinnakerRequestBuffers(EIEIOCommandMessage):
""" Message used in the context of the buffering input mechanism which is\
sent by the SpiNNaker system to the host computer to ask for more data\
to inject during the simulation
"""
def __init__(self, x, y, p, region_id, sequence_no, space_available):
EIEIOCommandMessage.__init__(
self, EIEIOCommandHeader(
EIEIO_COMMAND_IDS.SPINNAKER_REQUEST_BUFFERS.value))
self._x = x
self._y = y
self._p = p
self._region_id = region_id
self._sequence_no = sequence_no
self._space_available = space_available
@property
def x(self):
return self._x
@property
def y(self):
return self._y
@property
def p(self):
return self._p
@property
def region_id(self):
return self._region_id
@property
def sequence_no(self):
return self._sequence_no
@property
def space_available(self):
return self._space_available
[docs] @staticmethod
def get_min_packet_length():
return 12
[docs] @staticmethod
def from_bytestring(command_header, data, offset):
y, x, processor, region_id, sequence_no, space = struct.unpack_from(
"<BBBxBBI", data, offset)
p = (processor >> 3) & 0x1F
return SpinnakerRequestBuffers(x, y, p, region_id & 0xF, sequence_no,
space)
@property
def bytestring(self):
return (super(SpinnakerRequestBuffers, self).bytestring + struct.pack(
"<BBBxBBI", self._y, self._x, self._p << 3, self._region_id,
self._sequence_no, self._space_available))