Source code for spinnman.messages.scp.impl.set_led
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
[docs]class SetLED(AbstractSCPRequest):
""" A request to change the state of an SetLED
"""
def __init__(self, x, y, cpu, led_states):
"""
:param x: The x-coordinate of the chip, between 0 and 255
:type x: int
:param y: The y-coordinate of the chip, between 0 and 255
:type y: int
:param cpu: The CPU-number to use to set the SetLED.
:type cpu: int
:param led_states: \
A dictionary mapping SetLED index to state with\
0 being off, 1 on and 2 inverted.
:type led_states: dict
"""
encoded_led_states = 0
for led, state in led_states.items():
encoded_led_states |= {0: 2, 1: 3, 2: 1}[state] << (2 * led)
super(SetLED, self).__init__(
SDPHeader(
flags=SDPFlag.REPLY_EXPECTED, destination_port=0,
destination_cpu=cpu, destination_chip_x=x,
destination_chip_y=y),
SCPRequestHeader(command=SCPCommand.CMD_LED),
argument_1=encoded_led_states)
[docs] def get_scp_response(self):
""" See\
:py:meth:`spinnman.messages.scp.abstract_scp_request.AbstractSCPRequest.get_scp_response`
"""
return CheckOKResponse("Set SetLED", "CMD_LED")