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OLED.py
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OLED.py
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# Created by: Michael Klements
# For Raspberry Pi Desktop Case with OLED Stats Display
# Base on Adafruit CircuitPython & SSD1306 Libraries
# Installation & Setup Instructions - https://www.the-diy-life.com/add-an-oled-stats-display-to-raspberry-pi-os-bullseye/
import time
import board
import busio
import digitalio
import os
from PIL import Image, ImageDraw, ImageFont
import adafruit_ssd1306
import subprocess
# Define the Reset Pin
oled_reset = digitalio.DigitalInOut(board.D4)
# Display Parameters
WIDTH = 128
HEIGHT = 64
BORDER = 5
# Use for I2C.
i2c = board.I2C()
oled = adafruit_ssd1306.SSD1306_I2C(WIDTH, HEIGHT, i2c, addr=0x3C, reset=oled_reset)
# Clear display.
oled.fill(0)
oled.show()
# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
image = Image.new("1", (oled.width, oled.height))
# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)
# Draw a white background
draw.rectangle((0, 0, oled.width, oled.height), outline=255, fill=255)
font = ImageFont.truetype('/home/smartmiror/repo/PiVolume/PixelOperator.ttf', 16)
# font = ImageFont.load_default()
while True:
# Draw a black filled box to clear the image.
draw.rectangle((0, 0, oled.width, oled.height), outline=0, fill=0)
# Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
cmd = "hostname -I | cut -d\' \' -f1"
IP = subprocess.check_output(cmd, shell=True)
cmd = "top -bn1 | grep load | awk '{printf \"CPU: %.2f\", $(NF-2)}'"
CPU = subprocess.check_output(cmd, shell=True)
cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%sMB %.2f%%\", $3,$2,$3*100/$2 }'"
MemUsage = subprocess.check_output(cmd, shell=True)
cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%dGB %s\", $3,$2,$5}'"
Disk = subprocess.check_output(cmd, shell=True)
cmd = "vcgencmd measure_temp |cut -f 2 -d '='"
temp = subprocess.check_output(cmd, shell=True)
cmd = "amixer -c 0 sget Headphone"
VOL = str(subprocess.check_output(cmd, shell=True))
VOL = VOL[VOL.find("%") - 2:VOL.find("%")]
cmd = "amixer -c 0 sget Headphone"
MUTE = str(subprocess.check_output(cmd, shell=True))
MUTE = MUTE[-6:-4]
if MUTE == "on":
mute = "off"
else:
mute = "on"
# Pi Stats Display
# draw.text((0, 0), "IP: " + str(IP, 'utf-8'), font=font, fill=255)
# draw.text((0, 16), str(CPU, 'utf-8') + "LA", font=font, fill=255)
# draw.text((80, 16), str(temp, 'utf-8'), font=font, fill=255)
# draw.text((0, 32), str(MemUsage, 'utf-8'), font=font, fill=255)
# draw.text((0, 48), str(Disk, 'utf-8'), font=font, fill=255)
draw.text((0, 0), "Volume: " + str(VOL), font=font, fill=255)
draw.text((70, 0), "Mute: " + str(mute), font=font, fill=255)
# Display image
oled.image(image)
oled.show()
time.sleep(.1)