e-paper-display/examples/solar-monitoring.py
2024-01-31 22:16:12 +00:00

60 lines
1.9 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 epd2in13b_V3
import time
from PIL import Image,ImageDraw,ImageFont
import traceback
logging.basicConfig(level=logging.DEBUG)
try:
logging.info("epd2in13b_V3 Demo")
epd = epd2in13b_V3.EPD()
logging.info("init and Clear")
epd.init()
epd.Clear()
time.sleep(1)
# Drawing on the image
logging.info("Drawing")
font20 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 20)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
# Drawing on the Horizontal image
logging.info("1.Drawing on the Horizontal image...")
HBlackimage = Image.new('1', (epd.height, epd.width), 255) # 298*126
HRYimage = Image.new('1', (epd.height, epd.width), 255) # 298*126 ryimage: red or yellow image
drawblack = ImageDraw.Draw(HBlackimage)
drawry = ImageDraw.Draw(HRYimage)
drawblack.text((2, 0), 'PV Production', font = font18, fill = 0)
drawblack.text((2, 20), 'Hausverbrauch', font = font18, fill = 0)
drawblack.text((20, 40), 'Strom Import', font = font18, fill = 0)
drawblack.text((20, 60), 'Batterie', font = font18, fill = 0)
drawblack.text((20, 50), 'Batterie Entladen', font = font18, fill = 0)
epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
#logging.info("Clear...")
#epd.init()
#epd.Clear()
logging.info("Goto Sleep...")
epd.sleep()
except IOError as e:
logging.info(e)
except KeyboardInterrupt:
logging.info("ctrl + c:")
epd2in13b_V3.epdconfig.module_exit()
exit()