def __init__(self, callback, filter, bus):
self.__bus = bus
listener = can.Listener()
listener.on_message_received = callback
self.__notifier = can.Notifier(self.__bus, [listener], 0)
self.__listeners = [listener]
self.addFilter(filter)
def read_msg_listener(can_interface):
"""
basic listener
"""
bus = can.interface.Bus(channel=can_interface, bustype=bustype)
listener = can.Listener()
"""
msg = bus.recv()
if msg is None:
print("Timeout accured, no message is recieved.")
else:
print(msg)
"""
reader = can.BufferedReader() # reader is a Listener
notifier = can.Notifier(bus, [reader])
#time.sleep(10)
msg = None
while msg is None:
msg = reader.get_message() # as a parameter can be Timeout ->
# now either call
print(msg)
listener(msg)
# or
listener.on_message_received(msg)
print(msg)
time.sleep(10)
listener.stop()
def testRemoveListenerFromNotifier(self):
a_listener = can.Listener()
notifier = can.Notifier(self.bus, [a_listener], 0.1)
notifier.stop()
self.assertIn(a_listener, notifier.listeners)
notifier.remove_listener(a_listener)
self.assertNotIn(a_listener, notifier.listeners)
def testAddListenerToNotifier(self):
a_listener = can.Listener()
notifier = can.Notifier(self.bus, [], 0.1)
notifier.stop()
self.assertNotIn(a_listener, notifier.listeners)
notifier.add_listener(a_listener)
self.assertIn(a_listener, notifier.listeners)
outMsg.data = responsePayload
bus1.send(outMsg)
time.sleep(0.7)
responsePayload = [0x31, 0, 0, 0, 0, 0, 0, 0]
outMsg.data = responsePayload
bus1.send(outMsg)
time.sleep(0.7)
responsePayload = [0x30, 10, 127, 00, 00, 00, 00, 00]
outMsg.data = responsePayload
bus1.send(outMsg)
lastTime = startTime
if __name__ == "__main__":
bus1 = can.interface.Bus('virtualInterface', bustype="virtual")
listener = can.Listener()
notifier = can.Notifier(bus1, [listener], 0)
uds = Uds(reqId=0x600, resId=0x650, interface="virtual")
testEcu = createUdsConnection('Bootloader.odx', 'bootloader', interface="virtual")
print("Test 1")
listener.on_message_received = callback_onReceive_singleFrame
resp = uds.send([0x22, 0xF1, 0x8C])
print(resp)
time.sleep(1)
print("Test 2")
listener.on_message_received = callback_onReceive_multiFrameResponse_noBs
def testBasicListenerWithMesg(self):
a_listener = can.Listener()
notifier = can.Notifier(self.bus, [a_listener])
self.bus.send(generate_message(0xDADADA))
def testBasicListenerCanBeAddedToNotifier(self):
notifier = can.Notifier(self.bus, [can.Listener()])
def testBasicListenerCanBeAddedToNotifier(self):
a_listener = can.Listener()
notifier = can.Notifier(self.bus, [a_listener], 0.1)
notifier.stop()
self.assertIn(a_listener, notifier.listeners)
def addCallback(self, callback):
listener = can.Listener()
listener.on_message_received = callback
self.__notifier.add_listener(listener)
self.__listeners.append(listener)
