2020-12-10

RaspberryPi_JetsonNano/python/examples/epd_1in02_test.py

@@ -0,0 +1,102 @@
+#!/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 epd1in02
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+
+logging.basicConfig(level=logging.DEBUG)
+
+try:
+    logging.info("epd1in02 Demo")
+    
+    epd = epd1in02.EPD()
+    logging.info("init and Clear")
+    epd.Init()
+    epd.Clear()
+    
+    # Drawing on the image
+    logging.info("1.Drawing on the image...")
+    image = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
+    
+    draw = ImageDraw.Draw(image)
+    font = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
+    
+    draw.text((5, 0), 'hello world', font = font, fill = 0)
+    draw.text((15, 40), u'微雪电子', font = font, fill = 0)
+    epd.Display(epd.getbuffer(image))
+    time.sleep(2)
+    
+    image = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
+    draw = ImageDraw.Draw(image)
+    draw.rectangle((20, 0, 100, 80), fill = 0)
+    draw.rectangle((22, 2, 98, 78), fill = 255)
+    draw.chord((22, 2, 98, 78), 0, 360, fill = 0)
+    draw.chord((24, 4, 96, 76), 0, 360, fill = 255)
+    draw.line((20, 0, 100, 80), fill = 0)
+    draw.line((20, 80, 100, 0), fill = 0)
+    epd.Display(epd.getbuffer(image))
+    time.sleep(2)
+
+    # read bmp file 
+    logging.info("2.read bmp file...")
+    image = Image.open(os.path.join(picdir, '1in02.bmp'))
+    epd.Display(epd.getbuffer(image))
+    time.sleep(2)
+    
+    # read bmp file on window
+    logging.info("3.read bmp file on window...")
+    image1 = Image.new('1', (epd.width, epd.height), 255)  # 255: clear the frame
+    bmp = Image.open(os.path.join(picdir, '100x100.bmp'))
+    image1.paste(bmp, (0,0))    
+    epd.Display(epd.getbuffer(image1))
+    time.sleep(2)
+    
+    # # partial update
+    logging.info("4.show time...")
+    epd.Clear()
+    epd.Partial_Init()    
+    
+    
+    time_image = Image.new('1', (epd.height, epd.width), 255)
+    time_draw = ImageDraw.Draw(time_image)
+    
+    image_old = epd.getbuffer(time_image)
+    num = 0
+    while (True):
+        time_draw.rectangle((10, 10, 120, 50), fill = 255)
+        time_draw.text((10, 10), time.strftime('%H:%M:%S'), font = font, fill = 0)
+        newimage = time_image.crop([10, 10, 120, 50])
+        time_image.paste(newimage, (10,10))
+        epd.DisplayPartial(image_old, epd.getbuffer(time_image))
+        image_old = epd.getbuffer(time_image)
+        num = num + 1
+        if(num == 10):
+            break
+    
+    logging.info("Clear...")
+    epd.Init()
+    epd.Clear()
+    
+    logging.info("Goto Sleep...")
+    epd.Sleep()
+    time.sleep(3)
+    
+    epd.Dev_exit()
+        
+except IOError as e:
+    logging.info(e)
+    
+    
+except KeyboardInterrupt:    
+    logging.info("ctrl + c:")
+    epd1in54.epdconfig.module_exit()
+    exit()