Pi OLED updates
confirmed Pi OLED (SSD1306 I2C) works with new Pi Hole 6.x release code.
This commit is contained in:
Mikey Sklar
parent
9bea106029
commit
e5c40eb8ce
1 changed files with 26 additions and 46 deletions
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@ -1,6 +1,7 @@
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# SPDX-FileCopyrightText: 2017 Limor Fried for Adafruit Industries
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# SPDX-FileCopyrightText: 2017 Tony DiCola for Adafruit Industries
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# SPDX-FileCopyrightText: 2017 James DeVito for Adafruit Industries
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# SPDX-FileCopyrightText: 2025 Mikey Sklar for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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@ -29,35 +30,26 @@
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# Adafruit Blinka to support CircuitPython libraries. CircuitPython does
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# not support PIL/pillow (python imaging library)!
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# Import Python System Libraries
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import json
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import subprocess
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import time
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# Import Requests Library
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import requests
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# Import Blinka
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from board import SCL, SDA
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import busio
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import adafruit_ssd1306
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# Import Python Imaging Library
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from PIL import Image, ImageDraw, ImageFont
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API_TOKEN = "YOUR_API_TOKEN_HERE"
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api_url = "http://localhost/admin/api.php?summaryRaw&auth="+API_TOKEN
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api_url = "http://localhost/api/stats/summary"
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# Create the I2C interface.
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i2c = busio.I2C(SCL, SDA)
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# Create the SSD1306 OLED class.
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# The first two parameters are the pixel width and pixel height. Change these
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# to the right size for your display!
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disp = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)
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# Leaving the OLED on for a long period of time can damage it
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# Set these to prevent OLED burn in
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DISPLAY_ON = 10 # on time in seconds
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DISPLAY_OFF = 50 # off time in seconds
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@ -66,7 +58,6 @@ disp.fill(0)
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disp.show()
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# Create blank image for drawing.
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# Make sure to create image with mode '1' for 1-bit color.
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width = disp.width
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height = disp.height
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image = Image.new('1', (width, height))
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@ -77,27 +68,21 @@ draw = ImageDraw.Draw(image)
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# Draw a black filled box to clear the image.
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draw.rectangle((0, 0, width, height), outline=0, fill=0)
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# Draw some shapes.
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# First define some constants to allow easy resizing of shapes.
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padding = -2
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top = padding
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bottom = height - padding
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# Move left to right keeping track of the current x position
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# for drawing shapes.
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x = 0
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# Load nice silkscreen font
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font = ImageFont.truetype('/home/pi/slkscr.ttf', 8)
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while True:
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# Draw a black filled box to clear the image.
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# Clear the image buffer
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draw.rectangle((0, 0, width, height), outline=0, fill=0)
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# Shell scripts for system monitoring from here :
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# https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
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cmd = "hostname -I | cut -d\' \' -f1 | tr -d \'\\n\'"
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# Shell scripts for system monitoring
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cmd = "hostname -I | cut -d' ' -f1 | tr -d '\\n'"
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IP = subprocess.check_output(cmd, shell=True).decode("utf-8")
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cmd = "hostname | tr -d \'\\n\'"
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cmd = "hostname | tr -d '\\n'"
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HOST = subprocess.check_output(cmd, shell=True).decode("utf-8")
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cmd = "top -bn1 | grep load | awk " \
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"'{printf \"CPU Load: %.2f\", $(NF-2)}'"
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@ -109,35 +94,30 @@ while True:
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"\"Disk: %d/%dGB %s\", $3,$2,$5}'"
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Disk = subprocess.check_output(cmd, shell=True).decode("utf-8")
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# Pi Hole data!
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# Pi-Hole data!
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try:
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r = requests.get(api_url)
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data = json.loads(r.text)
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DNSQUERIES = data['dns_queries_today']
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ADSBLOCKED = data['ads_blocked_today']
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CLIENTS = data['unique_clients']
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except KeyError:
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time.sleep(1)
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continue
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r = requests.get(api_url, timeout=2)
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r.raise_for_status()
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data = r.json()
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DNSQUERIES = data["queries"]["total"]
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ADSBLOCKED = data["queries"]["blocked"]
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CLIENTS = data["clients"]["total"]
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except Exception:
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DNSQUERIES = 0
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ADSBLOCKED = 0
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CLIENTS = 0
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draw.text((x, top), "IP: " + str(IP) +
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" (" + HOST + ")", font=font, fill=255)
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draw.text((x, top + 8), "Ads Blocked: " +
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str(ADSBLOCKED), font=font, fill=255)
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draw.text((x, top + 16), "Clients: " +
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str(CLIENTS), font=font, fill=255)
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draw.text((x, top + 24), "DNS Queries: " +
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str(DNSQUERIES), font=font, fill=255)
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# skip over original stats
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# draw.text((x, top+8), str(CPU), font=font, fill=255)
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# draw.text((x, top+16), str(MemUsage), font=font, fill=255)
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# draw.text((x, top+25), str(Disk), font=font, fill=255)
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draw.text((x, top), "IP: " + IP + " (" + HOST + ")", font=font, fill=255)
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draw.text((x, top + 8), "Ads Blocked: " + str(ADSBLOCKED), font=font, fill=255)
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draw.text((x, top + 16), "Clients: " + str(CLIENTS), font=font, fill=255)
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draw.text((x, top + 24), "DNS Queries: " + str(DNSQUERIES), font=font, fill=255)
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# Display image.
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disp.image(image)
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disp.show()
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time.sleep(DISPLAY_ON)
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# Blank screen to prevent burn-in
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disp.fill(0)
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disp.show()
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time.sleep(DISPLAY_OFF)
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