e-paper-display/examples/mqtt.py
Robert Borzutzki 514679a801 j
2022-10-18 23:01:15 +02:00

67 lines
1.7 KiB
Python

#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
sys.path.append(libdir)
import logging
from waveshare_epd import epd2in13bc
import time
from PIL import Image,ImageDraw,ImageFont
import traceback
from paho.mqtt import client as mqtt_client
logging.basicConfig(level=logging.DEBUG)
Connected = False
def connect_mqtt() -> mqtt_client:
def on_connect(client, userdata, flags, rc):
if rc == 0:
print("Connected to MQTT Broker!")
global Connected #Use global variable
Connected = True #Signal connection
else:
print("Failed to connect, return code %d\n", rc)
def on_message(client, userdata, msg):
print(f"Received `{msg.payload.decode()}` from `{msg.topic}` topic")
Connected = False #global variable for the state of the connection
broker = "homeassistant"
port = 8883
topic = "openWB/evu/W"
username = "mqtt-user"
password = "phio6yiR9ohs1veeghu4WaeGhaiRi8he4EiWasheev4faeku8tohdiuthah7zahP"
client_id = "solarmonitor"
client = mqtt_client.Client(client_id)
client.username_pw_set(username, password)
client.on_connect = on_connect
client.on_message = on_message
client.connect(broker, port)
client.loop_start() #start the loop
while Connected != True: #Wait for connection
time.sleep(0.1)
client.subscribe(topic)
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
print("exiting")
client.disconnect()
client.loop_stop()