class MqttClient():
'''
mqtt init
'''
def __init__(self, clientid, server, port, pw):
self.clientid = clientid
self.pw = pw
self.server = server
self.port = port
self.uasename = clientid
self.client = None
def connect(self):
self.client = MQTTClient(self.clientid, self.server, self.port, self.uasename, self.pw, keepalive=300)
self.client.set_callback(self.sub_cb)
self.client.connect()
def sub_cb(self, topic, msg):
print("Subscribe Recv: %s, %s" % (topic.decode(), msg.decode()))
def subscribe(self, topic, qos=0):
self.client.subscribe(topic, qos)
def publish(self, topic, msg, qos=0):
self.client.publish(topic, msg, qos)
def disconnect(self):
self.disconnect()
def __loop_forever(self, t):
# print("loop_forever")
try:
self.client.ping()
except:
return -1
def __listen(self):
while True:
try:
self.client.wait_msg()
except OSError as e:
return -1
def start(self):
_thread.start_new_thread(self.__listen, ())
t = Timer(1)
t.start(period=20000, mode=t.PERIODIC, callback=self.__loop_forever)
def message_received(topic, msg):
msg = msg.decode("utf-8")
print("Message received: " + msg)
morse.enqueue_message(msg)
print("Connecting to " + private.aio_server)
client = MQTTClient(client_id=private.client_id,
server=private.aio_server,
user=private.aio_user,
password=private.aio_key,
keepalive=30,
ssl=False)
client.set_callback(message_received)
client.connect()
client.subscribe(private.aio_feed)
morse = Morse()
morse.enqueue_message("ok", 'G')
timer = time.ticks_ms()
print("Running...")
while True:
client.check_msg()
if time.ticks_diff(time.ticks_ms(), timer) > 30000:
client.ping()
timer = time.ticks_ms()
machine.idle()
time.sleep_ms(100)
