commit
c06fbfde4c
@ -0,0 +1,5 @@
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secrets.py
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epd_4in2_test.py
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__pycache__/
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lib/
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img/Font.ttc
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@ -0,0 +1,24 @@
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## dismyreadme
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**Waveshare e-Paper repo: https://github.com/waveshare/e-Paper**
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.gitignored files:
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\- **secrets.py** - file containing two variables: octoprint & apikey. octoprint should be your octoprint server's IP address or domain name and apikey is your octoprint api key. Minimum permissions: guest.
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\- **epd\_4in2\_test.py** - the demo file from waveshare, available on their github page.
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\- **\_\_pycache\_\_/** - aint nobody got time for compiled python binaries.
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\- **lib/** - library files from waveshare, available on their github page.
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\- **img/Font.ttc** - font file provided by waveshare, available on their github page.
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**ePaper Pins:**
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Raspberry Pi
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EPAPER BCM2835 Board
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VCC 3.3V 3.3V
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GND GND GND
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DIN MOSI 19
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CLK SCLK 23
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CS CE0 24
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DC 25 22
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RST 17 11
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BUSY 24 18
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@ -0,0 +1,56 @@
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https://www.waveshare.com/wiki/3inch_e-Paper_Module_(G)_Manual#Working_With_Raspberry_Pi
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Install BCM2835
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#Open the Raspberry Pi terminal and run the following command
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wget http://www.airspayce.com/mikem/bcm2835/bcm2835-1.71.tar.gz
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tar zxvf bcm2835-1.71.tar.gz
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cd bcm2835-1.71/
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sudo ./configure && sudo make && sudo make check && sudo make install
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# For more information, please refer to the official website: http://www.airspayce.com/mikem/bcm2835/
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Install WiringPi (Optional)
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#Open the Raspberry Pi terminal and run the following command:
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sudo apt-get install wiringpi
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#For Raspberry Pi systems after May 2019 (earlier than before, you may not need to execute), you may need to upgrade:
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wget https://project-downloads.drogon.net/wiringpi-latest.deb
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sudo dpkg -i wiringpi-latest.deb
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gpio -v
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#Run gpio -v and version 2.52 will appear. If it does not appear, the installation is wrong.
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#Bullseye branch system use the following command:
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git clone https://github.com/WiringPi/WiringPi
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cd WiringPi
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./build
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gpio -v
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# Run gpio -v and version 2.60 will appear. If it does not appear, it means that there is an installation error.
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Install the function library
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sudo apt-get update
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sudo apt-get install python3-pip
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sudo apt-get install python3-pil
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sudo apt-get install python3-numpy
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sudo pip3 install RPi.GPIO
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sudo pip3 install spidev
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Download the demo via GitHub (You can skip this step if you have downloaded it.)
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git clone https://github.com/waveshare/e-Paper.git
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cd e-Paper/RaspberryPi_JetsonNano/
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# Raspberry Pi
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# EPAPER BCM2835 Board
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# VCC 3.3V 3.3V
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# GND GND GND
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# DIN MOSI 19
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# CLK SCLK 23
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# CS CE0 24
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# DC 25 22
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# RST 17 11
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# BUSY 24 18
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@ -0,0 +1,104 @@
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#!/usr/bin/python3
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# -*- coding:utf-8 -*-
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# secrets.py:
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# octoprint="https://your.octoprint.ip.address.or.domain.name"
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# apikey="your-octoprint-api-key"
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from secrets import *
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pluginpath="plugin/DisplayLayerProgress/values"
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fullurl=f"{octoprint}/{pluginpath}?apikey={apikey}"
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# CODED FOR WAVESHARE 4.2" 400x300 B&W ePaper Display
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# Requires the DisplayLayerProgress plugin
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# https://github.com/OllisGit/OctoPrint-DisplayLayerProgress
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import sys
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import os
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import json
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import requests
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imgdir = "/home/pi/epaper/img"#os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'img')#dontask
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libdir = "/home/pi/epaper/lib"#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 epd4in2
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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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# https://stackoverflow.com/a/32282390
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from urllib3.exceptions import InsecureRequestWarning
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requests.packages.urllib3.disable_warnings(category=InsecureRequestWarning)
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logging.basicConfig(level=logging.DEBUG)
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def getData():
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jsondata=requests.get(fullurl, verify=False).json()
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jobdata={
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"file":jsondata["currentFilename"],
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"layer":jsondata["layer"]["current"],
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"layers":jsondata["layer"]["total"],
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"lastlayertime":jsondata["layer"]["lastLayerDuration"],
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"percent":jsondata["print"]["progress"],
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"eta":jsondata["print"]["timeLeft"],
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"remaining":jsondata["print"]["timeLeftInSeconds"] }
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return jobdata
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print(getData())
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sys.exit(0)
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try:
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logging.info("Octopi print monitor starting...")
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epd = epd4in2.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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font18 = ImageFont.truetype(os.path.join(imgdir, 'Font.ttc'), 18)
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font24 = ImageFont.truetype(os.path.join(imgdir, 'Font.ttc'), 24)
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font35 = ImageFont.truetype(os.path.join(imgdir, 'Font.ttc'), 35)
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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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Himage = Image.new('1', (epd.width, epd.height), 255) # 255: clear the frame
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draw = ImageDraw.Draw(Himage)
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draw.text((10, 0), 'hello world', font = font24, fill = 0)
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draw.text((10, 20), '4.2inch e-Paper', font = font24, fill = 0)
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draw.text((150, 0), u'微雪电子', font = font24, fill = 0)
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draw.line((20, 50, 70, 100), fill = 0)
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draw.line((70, 50, 20, 100), fill = 0)
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draw.rectangle((20, 50, 70, 100), outline = 0)
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draw.line((165, 50, 165, 100), fill = 0)
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draw.line((140, 75, 190, 75), fill = 0)
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draw.arc((140, 50, 190, 100), 0, 360, fill = 0)
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draw.rectangle((80, 50, 130, 100), fill = 0)
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draw.chord((200, 50, 250, 100), 0, 360, fill = 0)
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epd.display(epd.getbuffer(Himage))
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time.sleep(2)
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# logging.info("3.read bmp file")
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# Himage = Image.open(os.path.join(imgdir, '4in2.bmp'))
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# epd.display(epd.getbuffer(Himage))
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# time.sleep(2)
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# logging.info("4.read bmp file on window")
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# Himage2 = Image.new('1', (epd.height, epd.width), 255) # 255: clear the frame
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# bmp = Image.open(os.path.join(imgdir, '100x100.bmp'))
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# Himage2.paste(bmp, (50,10))
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# epd.display(epd.getbuffer(Himage2))
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# time.sleep(2)
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epd.Clear()
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logging.info("Goto Sleep...")
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epd.sleep()
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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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epd4in2.epdconfig.module_exit()
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exit()
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Loading…
Reference in new issue