def __init__(self):
"""
Creates a new sixjet server. backend is the instance of backends.Backend
that will be used to write jets. service_extra is an optionally-empty
set of values that will be added to the Autobus 2's service info
dictionary. (Keys such as type will be added automatically, but such
keys present in service_extra will override the ones added
automatically.)
bus is the Autobus bus to use. You can usually just use:
from autobus2 import Bus
with Bus() as bus:
server = SixjetServer(..., bus, ...)
...
and things will work.
"""
PyServiceProvider.__init__(self, True)
ComplexProvider.__init__(self)
self.flash_time = 0.25
self.fixed_provider = atomically(FixedProvider)
atomically(lambda: self.provider_list.append(self.fixed_provider))
def __init__(self, backend, bus, service_extra={}):
"""
Creates a new sixjet server. backend is the instance of backends.Backend
that will be used to write jets. service_extra is an optionally-empty
set of values that will be added to the Autobus 2's service info
dictionary. (Keys such as type will be added automatically, but such
keys present in service_extra will override the ones added
automatically.)
bus is the Autobus bus to use. You can usually just use:
from autobus2 import Bus
with Bus() as bus:
server = SixjetServer(..., bus, ...)
...
and things will work.
"""
PyServiceProvider.__init__(self, True)
service_extra = service_extra.copy()
service_extra.update(type="sixjet")
self.backend = backend
self.bus = bus
# The event loop used by this server.
self.loop = eventloop.EventLoop()
# The current states of all of the jets. This must only be read and
# modified from the event thread.
self.states = [False] * 16
# True to shut down the server. This shouldn't be modified; instead,
# stop() should be called, which will post an event that sets this to
# True.
self.shut_down = False
self.service = self.bus.create_service(service_extra, self)
# Flush the jets to turn all of them off, but do it on the event loop
self.loop.queue(Partial(self.flush))
# Set a default flash time
self.flash_time = 0.25