96 lines
2.9 KiB
Python
96 lines
2.9 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 epd2in13bc
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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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logging.basicConfig(level=logging.DEBUG)
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broker = 'homeassistant'
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port = 8883
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topic = "openWB/evu/W"
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username = "mqtt-user"
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password = "phio6yiR9ohs1veeghu4WaeGhaiRi8he4EiWasheev4faeku8tohdiuthah7zahP"
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client_id = "solarmonitor"
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def connect_mqtt() -> mqtt_client:
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def on_connect(client, userdata, flags, rc):
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if rc == 0:
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print("Connected to MQTT Broker!")
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else:
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print("Failed to connect, return code %d\n", rc)
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client = mqtt_client.Client(client_id)
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client.username_pw_set(username, password)
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client.on_connect = on_connect
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client.connect(broker, port)
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return client
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def subscribe(client: mqtt_client):
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def on_message(client, userdata, msg):
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logging.info("epd2in13bc Demo")
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epd = epd2in13bc.EPD()
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logging.info("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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# Drawing on the image
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logging.info("Drawing")
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font20 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 20)
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font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
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# Drawing on the Horizontal image
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logging.info("1.Drawing on the Horizontal image...")
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HBlackimage = Image.new('1', (epd.height, epd.width), 255) # 298*126
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HRYimage = Image.new('1', (epd.height, epd.width), 255) # 298*126 ryimage: red or yellow image
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drawblack = ImageDraw.Draw(HBlackimage)
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drawry = ImageDraw.Draw(HRYimage)
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drawblack.text((10, 0), msg.payload.decode(), font = font20, fill = 0)
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epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
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time.sleep(2)
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logging.info("4.read bmp file on window")
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blackimage1 = Image.new('1', (epd.height, epd.width), 255) # 298*126
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redimage1 = Image.new('1', (epd.height, epd.width), 255) # 298*126
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newimage = Image.open(os.path.join(picdir, 'elektrizitat.bmp'))
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blackimage1.paste(newimage, (10,10))
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epd.display(epd.getbuffer(blackimage1), epd.getbuffer(redimage1))
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logging.info("Clear...")
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epd.init()
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epd.Clear()
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logging.info("Goto Sleep...")
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epd.sleep()
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print(f"Received `{msg.payload.decode()}` from `{msg.topic}` topic")
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client.subscribe(topic)
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client.on_message = on_message
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def run():
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client = connect_mqtt()
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subscribe(client)
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client.loop_forever()
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if __name__ == '__main__':
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run()
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