try:
client.connect(config["mqtt"]["host"], config["mqtt"]["port"], 60)
except socket.error as err:
_LOG.fatal("Unable to connect to MQTT server: %s" % err)
sys.exit(1)
client.loop_start()
try:
while True:
sleep(1)
except KeyboardInterrupt:
print("")
msg_infos = []
for name, veh in vehicles.items():
veh.disconnect()
msg_infos.append(
client.publish('%s/%s/connected' % (topic_prefix, name),
False,
qos=2))
for msg_info in msg_infos:
msg_info.wait_for_publish()
finally:
msg_info = client.publish(
"%s/%s" % (topic_prefix, config["mqtt"]["status_topic"]),
config["mqtt"]["status_payload_stopped"],
qos=1,
retain=True)
# This should also quit the mqtt loop thread.
msg_info.wait_for_publish()
client.disconnect()
'Location from {addr} : Piece={piece} Location={location} Speed={speed} Clockwise={clockwise}'
.format(**params))
car.setLocationChangeCallback(locationChangeCallback)
def transitionChangeCallback(addr, params):
params['addr'] = addr
print('Transition from {addr} From={piecePrev} To={piece} Offset={offset}'.
format(**params))
car.setTransitionCallback(transitionChangeCallback)
car.changeSpeed(500, 800)
while True:
inpt = input(
'[ to change lane to left, ] to change lane to right, enter to stop.\n'
)
if inpt == '[':
car.changeLaneLeft(500, 800)
elif inpt == ']':
car.changeLaneRight(500, 800)
else:
break
car.changeSpeed(0, 800)
car.disconnect()