Source code for spinnman.messages.scp.impl.bmp_set_led
"""
BMPSetLed
"""
from spinnman.messages.scp import SCPRequestHeader
from spinnman.messages.scp.abstract_messages import BMPRequest
from spinnman.messages.scp.enums import SCPCommand
from .check_ok_response import CheckOKResponse
[docs]class BMPSetLed(BMPRequest):
""" Set the led(s) of a board to either on, off or toggling
"""
def __init__(self, led, action, boards):
"""
:param led: Number of the LED or an iterable of LEDs to set the\
state of (0-7)
:type led: int or iterable of int
:param action: State to set the LED to, either on, off or toggle
:type action:\
:py:class:`spinnman.messages.scp.scp_led_action.SCPLEDAction`
:param boards: Specifies the board to control the LEDs of. This may\
also be an iterable of multiple boards (in the same frame).
:type boards: int or iterable of int
:rtype: None
"""
# set up the led entry for arg1
if isinstance(led, int):
leds = [led]
else:
leds = led
# LED setting actions
arg1 = sum(action.value << (led * 2) for led in leds)
# Bitmask of boards to control
arg2 = self.get_board_mask(boards)
# initilise the request now
BMPRequest.__init__(
self, boards,
SCPRequestHeader(command=SCPCommand.CMD_LED),
argument_1=arg1, argument_2=arg2)
[docs] def get_scp_response(self):
""" Get the response from the write fpga register request
"""
return CheckOKResponse("Set the LEDs of a board", "CMD_LED")