-
Notifications
You must be signed in to change notification settings - Fork 1
/
ibuttontomqtt.py
77 lines (62 loc) · 1.89 KB
/
ibuttontomqtt.py
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
#!/usr/bin/python
###########################################
# RasbperryPi KeyTag iButton read to MQTT #
# Author : JmmyGun #
# Date : 19/08/2021 #
###########################################
import time
import os
import RPi.GPIO as GPIO
from paho.mqtt import client as mqtt_client
broker = '127.0.0.1'
port = 1883
topic = "ibutton"
client_id ='ibutton'
#uncomment the following 2 lines for set your "username" and "password"
#username = 'YOUR_USER'
#password = 'YOUR_PASS'
os.system('modprobe wire timeout=1 slave_ttl=5')
os.system('modprobe w1-gpio')
os.system('modprobe w1-smem')
os.system('chmod a+w /sys/devices/w1_bus_master1/w1_master_slaves')
os.system('chmod a+w /sys/devices/w1_bus_master1/w1_master_remove')
os.system('chmod a+w /sys/devices/w1_bus_master1/w1_master_search')
base_dir = '/sys/devices/w1_bus_master1/w1_master_slaves'
delete_dir = '/sys/devices/w1_bus_master1/w1_master_remove'
def connect_mqtt():
def on_connect(client, userdata, flags, rc):
if rc == 0:
print("Connected to MQTT Broker!")
else:
print("Failed to connect, return code %d\n", rc)
client = mqtt_client.Client(client_id)
#uncomment the following line if you set "username" and "password"
#client.username_pw_set(username, password)
client.on_connect = on_connect
client.connect(broker, port)
return client
def publish(client):
while True:
# Probe read
dir = open(base_dir, "r")
TAG = dir.read()
dir.close()
if TAG != 'not found.\n':
print(TAG)
msg = (TAG)
client.publish(topic, msg)
act = open(delete_dir, "w")
act.write(TAG)
else:
time.sleep(0.001)
def run():
client = connect_mqtt()
client.loop_start()
publish(client)
if __name__ == '__main__':
try:
run()
except KeyboardInterrupt:
pass
finally:
GPIO.cleanup()