-
Notifications
You must be signed in to change notification settings - Fork 7
Expand file tree
/
Copy pathmqtt-client-iotespressifcn.py
More file actions
45 lines (35 loc) · 1.36 KB
/
mqtt-client-iotespressifcn.py
File metadata and controls
45 lines (35 loc) · 1.36 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
import struct
import paho.mqtt.client as mqtt
from paho.mqtt.client import MQTTv311
def on_connect(client, userdata, flags, rc):
print('on_connect result code: %s' % str(rc))
def on_disconnect(client, userdata, rc):
print('on_disconnect result code: %s' % str(rc))
def on_message(client, userdata, message):
print('on_message message: %s' % message)
print message.topic
if message.topic.startswith('$datapoint/'):
l = len(message.payload) / 4
print struct.unpack('!' + 'i' * l, message.payload)
if message.topic == '$rpc':
print message.payload
def on_publish(client, userdata, mid):
print('on_publish mid: %s' % mid)
def on_subscribe(client, userdata, mid, granted_qos):
print('on_subscribe mid: %s, granted_qos: %s' % (mid, granted_qos))
def on_unsubscribe(client, userdata, mid):
print('on_unsubscribe mid: %s' % mid)
client = mqtt.Client(client_id='44590e7ccb254203073a', protocol=MQTTv311)
client.on_connect = on_connect
client.on_disconnect = on_disconnect
client.on_message = on_message
client.on_publish = on_publish
client.on_subscribe = on_subscribe
client.on_unsubscribe = on_unsubscribe
client.connect('iot.espressif.cn', 1883, 10)
client.loop_forever()
# datapoint publish
"""
payload = struct.pack('!iii', 1, 2, 3)
client.publish('$datapoint/mulit-aa-bb', payload=payload, qos=1, retain=False)
"""