from spinnman.messages.scp.abstract_messages.abstract_scp_request \
import AbstractSCPRequest
from spinnman.messages.sdp.sdp_header import SDPHeader
from spinnman.messages.sdp.sdp_flag import SDPFlag
from spinnman.messages.scp.scp_request_header import SCPRequestHeader
from spinnman.messages.scp.scp_command import SCPCommand
from spinnman.exceptions import SpinnmanInvalidParameterException
from spinnman.messages.scp.impl.scp_check_ok_response import SCPCheckOKResponse
_IPTAG_SET = 1
[docs]class SCPReverseIPTagSetRequest(AbstractSCPRequest):
""" An SCP Request to set an IP Tag
"""
def __init__(self, x, y, destination_x, destination_y, destination_p, port,
tag, sdp_port):
"""
:param x: The x-coordinate of a chip, between 0 and 255
:type x: int
:param y: The y-coordinate of a chip, between 0 and 255
:type y: int
:param destination_x: The x-coordinate of the destination chip,\
between 0 and 255
:type destination_x: int
:param destination_y: The y-coordinate of the destination chip,\
between 0 and 255
:type destination_y: int
:param destination_p: the id of the destination processor, between\
0 and 17
:type destination_p: int
:param port: The port, between 0 and 65535
:type port: int
:param tag: The tag, between 0 and 7
:type tag: int
:raise spinnman.exceptions.SpinnmanInvalidParameterException:
* The chip-coordinates are out of range
* If the host is not 4 bytes
* If the port is not between 0 and 65535
* If the tag is not between 0 and 7
"""
if port < 0 or port > 65535:
raise SpinnmanInvalidParameterException(
"port", str(port), "Must be between 0 and 65535")
if tag < 0 or tag > 7:
raise SpinnmanInvalidParameterException(
"tag", str(tag), "Must be between 0 and 7")
if destination_x < 0 or destination_x > 255:
raise SpinnmanInvalidParameterException(
"destination_x", str(destination_x),
"Must be between 0 and 255")
if destination_y < 0 or destination_y > 255:
raise SpinnmanInvalidParameterException(
"destination_y", str(destination_y),
"Must be between 0 and 255")
if destination_p < 0 or destination_p > 17:
raise SpinnmanInvalidParameterException(
"destination_p", str(destination_p),
"Must be between 0 and 17")
strip_value = 1
reverse_value = 1
arg1 = ((reverse_value << 29) | (strip_value << 28)
| (_IPTAG_SET << 16) | (sdp_port << 13) | (destination_p << 8)
| tag)
arg2 = ((destination_x << 24) | (destination_y << 16) | port)
super(SCPReverseIPTagSetRequest, self).__init__(
SDPHeader(
flags=SDPFlag.REPLY_EXPECTED, destination_port=0,
destination_cpu=0, destination_chip_x=x,
destination_chip_y=y),
SCPRequestHeader(command=SCPCommand.CMD_IPTAG),
argument_1=arg1,
argument_2=arg2,
argument_3=0)