150 lines
5.3 KiB
Python
150 lines
5.3 KiB
Python
#!/usr/bin/python
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# -*- coding:utf-8 -*-
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import sys
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import os
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picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
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libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
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if os.path.exists(libdir):
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sys.path.append(libdir)
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import logging
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from waveshare_epd import epd2in13d
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import time
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from PIL import Image,ImageDraw,ImageFont
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import traceback
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from paho.mqtt import client as mqtt_client
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import paho.mqtt.client as paho
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logging.basicConfig(level=logging.INFO)
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Connected = False #global variable for the state of the connection
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broker = "192.168.99.224"
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port = 1883
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topic_wHouseConsumption = "openWB/global/WHouseConsumption"
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topic_pvProduction = "openWB/pv/W"
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topic_energyImportExport = "openWB/evu/W"
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topic_houseBatterySoC = "openWB/housebattery/%Soc"
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topic_houseBatteryLoadUnload = "openWB/housebattery/W"
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username = "mqtt-user"
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pw = "phio6yiR9ohs1veeghu4WaeGhaiRi8he4EiWasheev4faeku8tohdiuthah7zahP"
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client_id = "solarmonitor"
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try:
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epd = epd2in13d.EPD()
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logging.debug("init and Clear")
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epd.init()
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epd.Clear()
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#time.sleep(1)
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except IOError as e:
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logging.info(e)
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except KeyboardInterrupt:
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logging.info("ctrl + c:")
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epd.Clear()
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epd2in13d.epdconfig.module_exit()
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exit()
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def on_connect(client, userdata, flags, rc):
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if rc == 0:
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logging.info("Connected to MQTT Broker!")
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global Connected #Use global variable
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Connected = True #Signal connection
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else:
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logging.debug("Failed to connect, return code %d\n", rc)
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def on_message(client, userdata, msg):
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global value_pvProduction
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global value_wHouseConsumption
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global value_energyImportExport
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global value_houseBatterySoC
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global value_houseBatteryLoadUnload
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if msg.topic == "openWB/pv/W":
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value_pvProduction = int(msg.payload.decode())
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value_pvProduction = -value_pvProduction
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elif msg.topic == "openWB/global/WHouseConsumption":
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value_wHouseConsumption = int(msg.payload.decode())
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elif msg.topic == "openWB/evu/W":
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value_energyImportExport = int(msg.payload.decode())
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elif msg.topic == "openWB/housebattery/%Soc":
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value_houseBatterySoC = int(msg.payload.decode())
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elif msg.topic == "openWB/housebattery/W":
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value_houseBatteryLoadUnload = int(msg.payload.decode())
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client = mqtt_client.Client(client_id, protocol=paho.MQTTv31)
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client.username_pw_set(username, password=pw)
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client.on_connect = on_connect
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value_pvProduction = 0
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value_wHouseConsumption = 0
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value_energyImportExport = 0
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value_houseBatterySoC = 0
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value_houseBatteryLoadUnload = 0
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client.on_message = on_message
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client.connect(broker, port=port)
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client.loop_start() #start the loop
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while Connected != True: #Wait for connection
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time.sleep(1)
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client.subscribe(topic_wHouseConsumption)
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client.subscribe(topic_pvProduction)
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client.subscribe(topic_energyImportExport)
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client.subscribe(topic_houseBatterySoC)
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client.subscribe(topic_houseBatteryLoadUnload)
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try:
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while True:
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logging.debug("Drawing")
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font16 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 16)
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HBlackimage = Image.new('1', (epd.height, epd.width), 255) # 298*126
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drawblack = ImageDraw.Draw(HBlackimage)
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drawblack.text((5, 0), 'PV Produktion', font = font16, fill = 0)
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drawblack.text((5, 20), 'Hausverbrauch', font = font16, fill = 0)
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if value_energyImportExport > 0:
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drawblack.text((7, 40), 'Strom Import', font = font16, fill = 0)
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else:
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drawblack.text((7, 40), 'Strom Export', font = font16, fill = 0)
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drawblack.text((5, 60), 'Batterie', font = font16, fill = 0)
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if value_houseBatteryLoadUnload > 0:
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drawblack.text((5, 80), 'Batterie Laden', font = font16, fill = 0)
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else:
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drawblack.text((5, 80), 'Batterie Entladen', font = font16, fill = 0)
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logging.info("-----")
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logging.info("PvProd: "+str(value_pvProduction))
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logging.info("HouseU: "+str(value_wHouseConsumption))
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logging.info("EneI/E: "+str(value_energyImportExport))
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logging.info("BatSoC: "+str(value_houseBatterySoC))
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logging.info("BatI/O: "+str(value_houseBatteryLoadUnload))
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#drawblack.rectangle((150, 0, 220, 50), fill = 255)
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drawblack.text((150, 0), str(value_pvProduction) + " W", font = font16, fill = 0)
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#drawblack.rectangle((150, 15, 220, 50), fill = 255)
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drawblack.text((150, 20), str(value_wHouseConsumption) + " W", font = font16, fill = 0)
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#drawblack.rectangle((150, 30, 220, 50), fill = 255)
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if value_energyImportExport < 0:
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drawblack.text((150, 40), str(-value_energyImportExport) + " W", font = font16, fill = 0)
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else:
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drawblack.text((150, 40), str(value_energyImportExport) + " W", font = font16, fill = 0)
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#drawblack.rectangle((150, 60, 220, 50), fill = 0)
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drawblack.text((150, 60), str(value_houseBatterySoC) + " %", font = font16, fill = 0)
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#drawblack.rectangle((150, 75, 220, 50), fill = 255)
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drawblack.text((150, 80), str(value_houseBatteryLoadUnload) + " W", font = font16, fill = 0)
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epd.display(epd.getbuffer(HBlackimage))
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time.sleep(10)
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except KeyboardInterrupt:
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logging.info("exiting")
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client.disconnect()
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client.loop_stop()
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