def __init__(self, sim_env):
''' Constructor
Input: sim_env simpy.Environment environment of this component
MessageClass AbstractBusMessage class that is used for sending and receiving
Output: -
'''
AbstractCommModule.__init__(self, sim_env)
# layers
self.transp_lay = StdTransportLayer(sim_env)
self.datalink_lay = StdDatalinkLayer(sim_env)
self.physical_lay = StdPhysicalLayer(sim_env)
# preset used
if GeneralSpecPreset().enabled:
self.transp_lay = GeneralSpecPreset().transport_layer(sim_env, proj.BUS_MSG_CLASS)
self.datalink_lay = GeneralSpecPreset().datalink_layer(sim_env)
self.physical_lay = GeneralSpecPreset().physical_layer(sim_env)
# interconnect layers
self.datalink_lay.physical_lay = self.physical_lay
self.transp_lay.datalink_lay = self.datalink_lay
self.set_settings()
# Timing Variables
self.STDCM_RECEIVE_PROCESS = time.STDCM_RECEIVE_PROCESS
self.STDCM_SEND_PROCESS = time.STDCM_SEND_PROCESS
def _init_layers(self, sim_env, MessageClass):
''' Initializes the software layers
Input: sim_env simpy.Environment environment of this component
MessageClass AbstractBusMessage class of the messages how they are sent on the CAN Bus
Output: -
'''
# create layers
self.physical_lay = StdPhysicalLayer(sim_env)
self.datalink_lay = StdDatalinkLayer(sim_env)
self.transp_lay = SegmentTransportLayer(sim_env, MessageClass)
# interconnect layers
self.datalink_lay.physical_lay = self.physical_lay
self.transp_lay.datalink_lay = self.datalink_lay
def connected_bus(self, new_bus):
''' if called adds a new port to this
gateway. This port has all three layers
and a whole hardware equipment
Input: new_bus CANBus bus to be connected to new port
Output: -
'''
if new_bus != None:
# create whole layer package per connected Bus
self._connected_busses.append(new_bus)
# create layers
# preset used
if GeneralSpecPreset().enabled:
self._transceivers.append(StdTransceiver(self.sim_env))
self._controller.append(StdCanController(self.sim_env))
self._physical_layer.append(GeneralSpecPreset().physical_layer(
self.sim_env))
self._datalink_layer.append(GeneralSpecPreset().datalink_layer(
self.sim_env))
else:
self._transceivers.append(StdTransceiver(self.sim_env))
self._controller.append(StdCanController(self.sim_env))
self._physical_layer.append(StdPhysicalLayer(self.sim_env))
self._datalink_layer.append(StdDatalinkLayer(self.sim_env))
# interconnect new layers
self._datalink_layer[-1].controller = self._controller[-1]
self.sim_env.process(self._datalink_layer[-1].process())
self._datalink_layer[-1].physical_lay = self._physical_layer[-1]
self._physical_layer[-1].transceiver = self._transceivers[-1]
self._physical_layer[
-1].transceiver.connected_bus = self._connected_busses[-1]
# intercept gateway methods
self._override_methods(self._physical_layer[-1].transceiver)
# activate filter
if self._filter_values: # install the fixed filter for all ecus
self._transceivers[-1].install_filter(self._filter_values)
if new_bus.comp_id in self._bus_filter_values: # install the filter for special busses
self._transceivers[-1].install_filter(
self._bus_filter_values[new_bus.comp_id])
def __init__(self, sim_env, MessageClass):
''' Constructor
Input: sim_env simpy.Environment environment of this component
MessageClass AbstractBusMessage class that is used for sending and receiving
Output: -
'''
AbstractCommModule.__init__(self, sim_env, MessageClass)
# layers
self.physical_lay = StdPhysicalLayer(sim_env)
self.datalink_lay = StdDatalinkLayer(sim_env)
self.transp_lay = SegmentTransportLayer(sim_env, MessageClass)
# connection between layers
self.datalink_lay.physical_lay = self.physical_lay
self.transp_lay.datalink_lay = self.datalink_lay
self.set_settings()
# Timing Parameter
self.SCM_RECEIVE_PROCESS = time.SCM_RECEIVE_PROCESS
self.SCM_SEND_PROCESS = time.SCM_SEND_PROCESS
def __init__(self, sim_env):
''' Constructor
Input: sim_env simpy.Environment environment of this component
Output: -
'''
AbstractCommModule.__init__(self, sim_env)
# initialize layers
self.transp_lay = FakeSegmentTransportLayer(sim_env,
proj.BUS_MSG_CLASS)
self.datalink_lay = StdDatalinkLayer(sim_env)
self.physical_lay = StdPhysicalLayer(sim_env)
# preset used
if GeneralSpecPreset().enabled:
self.transp_lay = GeneralSpecPreset().transport_layer(
sim_env, proj.BUS_MSG_CLASS)
self.datalink_lay = GeneralSpecPreset().datalink_layer(sim_env)
self.physical_lay = GeneralSpecPreset().physical_layer(sim_env)
# connect layers
self.datalink_lay.physical_lay = self.physical_lay
self.transp_lay.datalink_lay = self.datalink_lay