def __call__(callback=None, filter=None, configPath=None, **kwargs):
CanConnectionFactory.loadConfiguration(configPath)
CanConnectionFactory.checkKwargs(**kwargs)
# check config file and load
connectionType = CanConnectionFactory.config['can']['interface']
if connectionType == 'virtual':
connectionName = CanConnectionFactory.config['virtual'][
'interfaceName']
if connectionName not in CanConnectionFactory.connections:
CanConnectionFactory.connections[
connectionName] = CanConnection(
callback, filter,
can.interface.Bus(connectionName, bustype='virtual'))
else:
CanConnectionFactory.connections[connectionName].addCallback(
callback)
CanConnectionFactory.connections[connectionName].addFilter(
filter)
return CanConnectionFactory.connections[connectionName]
elif connectionType == 'peak':
channel = CanConnectionFactory.config['peak']['device']
if channel not in CanConnectionFactory.connections:
baudrate = CanConnectionFactory.config['can']['baudrate']
CanConnectionFactory.connections[channel] = CanConnection(
callback, filter, pcan.PcanBus(channel, bitrate=baudrate))
else:
CanConnectionFactory.connections[channel].addCallback(callback)
CanConnectionFactory.connections[channel].addFilter(filter)
return CanConnectionFactory.connections[channel]
elif connectionType == 'vector':
channel = int(CanConnectionFactory.config['vector']['channel'])
app_name = CanConnectionFactory.config['vector']['appName']
connectionKey = str("{0}_{1}").format(app_name, channel)
if connectionKey not in CanConnectionFactory.connections:
baudrate = int(CanConnectionFactory.config['can']['baudrate'])
CanConnectionFactory.connections[
connectionKey] = CanConnection(
callback, filter,
vector.VectorBus(channel,
app_name=app_name,
data_bitrate=baudrate))
else:
CanConnectionFactory.connections[connectionKey].addCallback(
callback)
CanConnectionFactory.connections[connectionKey].addFilter(
filter)
return CanConnectionFactory.connections[connectionKey]
def __call__(callback=None, filter=None, configPath=None, **kwargs):
CanConnectionFactory.loadConfiguration(configPath)
CanConnectionFactory.checkKwargs(**kwargs)
# check config file and load
connectionType = CanConnectionFactory.config['can']['interface']
if connectionType == 'virtual':
connectionName = CanConnectionFactory.config['virtual'][
'interfaceName']
if connectionName not in CanConnectionFactory.connections:
CanConnectionFactory.connections[
connectionName] = CanConnection(
callback, filter,
can.interface.Bus(connectionName, bustype='virtual'))
else:
CanConnectionFactory.connections[connectionName].addCallback(
callback)
CanConnectionFactory.connections[connectionName].addFilter(
filter)
return CanConnectionFactory.connections[connectionName]
elif connectionType == 'peak':
channel = CanConnectionFactory.config['peak']['device']
if channel not in CanConnectionFactory.connections:
baudrate = CanConnectionFactory.config['can']['baudrate']
CanConnectionFactory.connections[channel] = CanConnection(
callback, filter, pcan.PcanBus(channel, bitrate=baudrate))
else:
CanConnectionFactory.connections[channel].addCallback(callback)
CanConnectionFactory.connections[channel].addFilter(filter)
return CanConnectionFactory.connections[channel]
elif connectionType == 'vector':
channel = int(CanConnectionFactory.config['vector']['channel'])
app_name = CanConnectionFactory.config['vector']['appName']
connectionKey = str("{0}_{1}").format(app_name, channel)
if connectionKey not in CanConnectionFactory.connections:
baudrate = int(CanConnectionFactory.config['can']['baudrate'])
CanConnectionFactory.connections[
connectionKey] = CanConnection(
callback, filter,
vector.VectorBus(channel,
app_name=app_name,
data_bitrate=baudrate))
else:
CanConnectionFactory.connections[connectionKey].addCallback(
callback)
CanConnectionFactory.connections[connectionKey].addFilter(
filter)
return CanConnectionFactory.connections[connectionKey]
elif connectionType == 'socketcan':
if system() == "Linux":
channel = CanConnectionFactory.config['socketcan']['channel']
if channel not in CanConnectionFactory.connections:
CanConnectionFactory.connections[channel] = CanConnection(
callback, filter,
socketcan.SocketcanBus(channel=channel))
else:
CanConnectionFactory.connections[channel].addCallback(
callback)
CanConnectionFactory.connections[channel].addFilter(filter)
return CanConnectionFactory.connections[channel]
else:
raise Exception(
"SocketCAN on Pythoncan currently only supported in Linux")
elif connectionType == 'neovi':
channel = int(CanConnectionFactory.config['neovi']['channel'])
baudrate = int(CanConnectionFactory.config['can']['baudrate'])
CanConnectionFactory.connections[channel] = CanConnection(
callback, filter, ics_neovi.NeoViBus(channel,
bitrate=baudrate))
return CanConnectionFactory.connections[channel]
elif connectionType == 'kvaser':
channel = int(CanConnectionFactory.config['kvaser']['channel'])
baudrate = int(CanConnectionFactory.config['can']['baudrate'])
CanConnectionFactory.connections[channel] = CanConnection(
callback, filter,
kvaser.canlib.KvaserBus(channel, bitrate=baudrate))
return CanConnectionFactory.connections[channel]