Source code for spinnman.messages.spinnaker_boot.spinnaker_boot_message
from spinnman.exceptions import SpinnmanInvalidParameterException
BOOT_MESSAGE_VERSION = 1
[docs]class SpinnakerBootMessage(object):
""" A message used for booting the board
"""
def __init__(self, opcode, operand_1, operand_2, operand_3, data=None):
"""
:param opcode: The operation of this packet
:type opcode: :py:class:`spinnman.messages.spinnaker_boot.spinnaker_boot_op_code.SpinnakerBootOpCode`
:param operand_1: The first operand
:type operand_1: int
:param operand_2: The second operand
:type operand_2: int
:param operand_3: The third operand
:type operand_3: int
:param data: The optional data, up to 256 words
:type data: bytearray
:raise spinnman.exceptions.SpinnmanInvalidParameterException: If the\
opcode is not a valid value
"""
if data is not None and len(data) > (256 * 4):
raise SpinnmanInvalidParameterException(
"len(data)", str(len(data)),
"A boot packet can contain at most 256 words of data")
self._opcode = opcode
self._operand_1 = operand_1
self._operand_2 = operand_2
self._operand_3 = operand_3
self._data = data
@property
def opcode(self):
""" The operation of this packet
:return: The operation code
:rtype: :py:class:`spinnman.messages.spinnaker_boot.spinnaker_boot_op_code.SpinnakerBootOpCode`
"""
return self._opcode
@property
def operand_1(self):
""" The first operand
:return: The operand
:rtype: int
"""
return self._operand_1
@property
def operand_2(self):
""" The second operand
:return: The second operand
:rtype: int
"""
return self._operand_2
@property
def operand_3(self):
""" The third operand
:return: The third operand
:rtype: int
"""
return self._operand_3
@property
def data(self):
""" The data
:return: The data or None if no data
:rtype: bytearray
"""
return self._data