Crontab -e funktioniert nicht. OLED Bildschirm eingefroren.

#!/usr/bin/python3

# Copyright (c) 2017 Adafruit Industries

# Author: Tony DiCola & James DeVito

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

# THE SOFTWARE.

import os

import subprocess

import time



import Adafruit_SSD1306

from PIL import Image

from PIL import ImageDraw

from PIL import ImageFont



SKRIPTPFAD = os.path.abspath(os.path.dirname(__file__))





# Raspberry Pi pin configuration:

RST = None # on the PiOLED this pin isnt used

# Note the following are only used with SPI:

DC = 23

SPI_PORT = 0

SPI_DEVICE = 0



# Beaglebone Black pin configuration:

# RST = 'P9_12'

# Note the following are only used with SPI:

# DC = 'P9_15'

# SPI_PORT = 1

# SPI_DEVICE = 0



# 128x32 display with hardware I2C:

# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST)



# 128x64 display with hardware I2C:

disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST)



# Note you can change the I2C address by passing an i2c_address parameter like:

# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)



# Alternatively you can specify an explicit I2C bus number, for example

# with the 128x32 display you would use:

# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, i2c_bus=2)



# 128x32 display with hardware SPI:

# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))



# 128x64 display with hardware SPI:

# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))



# Alternatively you can specify a software SPI implementation by providing

# digital GPIO pin numbers for all the required display pins. For example

# on a Raspberry Pi with the 128x32 display you might use:

# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, sclk=18, din=25, cs=22)



# Initialize library.

disp.begin()



# Clear display.

disp.clear()

disp.display()



# Create blank image for drawing.

# Make sure to create image with mode '1' for 1-bit color.

width = disp.width

height = disp.height

image = Image.new('1', (width, height))



# Get drawing object to draw on image.

draw = ImageDraw.Draw(image)



# Draw a black filled box to clear the image.

draw.rectangle((0, 0, width, height), outline=0, fill=0)



# Draw some shapes.

# First define some constants to allow easy resizing of shapes.

padding = -2

top = padding

bottom = height - padding

# Move left to right keeping track of the current x position for drawing shapes.

x = 0



# Load default font.

font = ImageFont.load_default()



# Alternatively load a TTF font. Make sure the .ttf font file is in the same directory as the python script!

# Some other nice fonts to try: http://www.dafont.com/bitmap.php

font = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'Montserrat-Light.ttf'), 12)

font2 = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'fontawesome-webfont.ttf'), 14)

font_icon_big = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'fontawesome-webfont.ttf'), 20)

font_text_big = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'Montserrat-Medium.ttf'), 19)



while True:

# Draw a black filled box to clear the image.

draw.rectangle((0, 0, width, height), outline=0, fill=0)



# Shell scripts for system monitoring from here : https://unix.stackexchange.com…e-disk-usage-and-cpu-load

cmd = "hostname -I | cut -d\' \' -f1 | head --bytes -1"

IP = subprocess.check_output(cmd, shell=True)

cmd = "top -bn1 | grep load | awk '{printf \"%.2f\", $(NF-2)}'"

CPU = subprocess.check_output(cmd, shell=True)

cmd = "free -m | awk 'NR==2{printf \"MEM: %.2f%%\", $3*100/$2 }'"

MemUsage = subprocess.check_output(cmd, shell=True)

cmd = "df -h | awk '$NF==\"/\"{printf \"HDD: %d/%dGB %s\", $3,$2,$5}'"

cmd = "df -h | awk '$NF==\"/\"{printf \"%s\", $5}'"

Disk = subprocess.check_output(cmd, shell=True)

cmd = "vcgencmd measure_temp | cut -d '=' -f 2 | head --bytes -1"

Temperature = subprocess.check_output(cmd, shell=True)



# Icons

draw.text((x, top), chr(61931), font=font2, fill=255)

draw.text((x + 50, top + 52), chr(61888), font=font2, fill=255)

draw.text((x, top + 52), chr(62152), font=font2, fill=255)

draw.text((x, top + 15), chr(62171), font=font_icon_big, fill=255)



draw.text((18, top), str(IP), font=font, fill=255)

draw.text((x + 22, top + 12), str(CPU), font=font_text_big, fill=255)

draw.text((x, top + 36), str(MemUsage), font=font, fill=255)

# draw.text((x, top+39), str(Disk), font=font, fill=255)

draw.text((x + 66, top + 52), str(Disk), font=font, fill=255)

draw.text((x + 10, top + 52), str(Temperature), font=font, fill=255)



# Display image.

disp.image(image)

disp.display()

time.sleep(5)

Traceback (most recent call last):
  File "Datenanzeige.py", line 73, in <module>
    disp.begin()
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_SSD1306/SSD1306.py", line 148, in begin
    self._initialize()
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_SSD1306/SSD1306.py", line 247, in _initialize
    self.command(SSD1306_DISPLAYOFF)                    # 0xAE
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_SSD1306/SSD1306.py", line 129, in command
    self._i2c.write8(control, c)
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_GPIO/I2C.py", line 114, in write8
    self._bus.write_byte_data(self._address, register, value)
  File "/home/pi/.local/lib/python3.7/site-packages/Adafruit_PureIO/smbus.py", line 327, in write_byte_data
    self._device.write(data)
OSError: [Errno 121] Remote I/O error

#!/usr/bin/python3
# Copyright (c) 2017 Adafruit Industries
# Author: Tony DiCola & James DeVito
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import os
import subprocess
import time

import Adafruit_SSD1306
from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont

SKRIPTPFAD = os.path.abspath(os.path.dirname(__file__))


# Raspberry Pi pin configuration:
RST = None # on the PiOLED this pin isnt used
# Note the following are only used with SPI:
DC = 23
SPI_PORT = 0
SPI_DEVICE = 0

# Beaglebone Black pin configuration:
# RST = 'P9_12'
# Note the following are only used with SPI:
# DC = 'P9_15'
# SPI_PORT = 1
# SPI_DEVICE = 0

# 128x32 display with hardware I2C:
# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST)

# 128x64 display with hardware I2C:
disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST)

# Note you can change the I2C address by passing an i2c_address parameter like:
# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, i2c_address=0x3C)

# Alternatively you can specify an explicit I2C bus number, for example
# with the 128x32 display you would use:
# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, i2c_bus=2)

# 128x32 display with hardware SPI:
# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))

# 128x64 display with hardware SPI:
# disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST, dc=DC, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=8000000))

# Alternatively you can specify a software SPI implementation by providing
# digital GPIO pin numbers for all the required display pins. For example
# on a Raspberry Pi with the 128x32 display you might use:
# disp = Adafruit_SSD1306.SSD1306_128_32(rst=RST, dc=DC, sclk=18, din=25, cs=22)

# Initialize library.
disp.begin()

# Clear display.
disp.clear()
disp.display()

# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
width = disp.width
height = disp.height
image = Image.new('1', (width, height))

# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)

# Draw a black filled box to clear the image.
draw.rectangle((0, 0, width, height), outline=0, fill=0)

# Draw some shapes.
# First define some constants to allow easy resizing of shapes.
padding = -2
top = padding
bottom = height - padding
# Move left to right keeping track of the current x position for drawing shapes.
x = 0

# Load default font.
font = ImageFont.load_default()

# Alternatively load a TTF font. Make sure the .ttf font file is in the same directory as the python script!
# Some other nice fonts to try: http://www.dafont.com/bitmap.php
font = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'Montserrat-Light.ttf'), 12)
font2 = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'fontawesome-webfont.ttf'), 14)
font_icon_big = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'fontawesome-webfont.ttf'), 20)
font_text_big = ImageFont.truetype(os.path.join(SKRIPTPFAD, 'Montserrat-Medium.ttf'), 19)

while True:
    # Draw a black filled box to clear the image.
    draw.rectangle((0, 0, width, height), outline=0, fill=0)
    
    cmd = "hostname -I | cut -d\' \' -f1 | head --bytes -1"
    IP = subprocess.check_output(cmd, shell=True)
    cmd = "top -bn1 | grep load | awk '{printf \"%.2f\", $(NF-2)}'"
    CPU = subprocess.check_output(cmd, shell=True)
    cmd = "free -m | awk 'NR==2{printf \"MEM: %.2f%%\", $3*100/$2 }'"
    MemUsage = subprocess.check_output(cmd, shell=True)
    cmd = "df -h | awk '$NF==\"/\"{printf \"HDD: %d/%dGB %s\", $3,$2,$5}'"
    cmd = "df -h | awk '$NF==\"/\"{printf \"%s\", $5}'"
    Disk = subprocess.check_output(cmd, shell=True)
    cmd = "vcgencmd measure_temp | cut -d '=' -f 2 | head --bytes -1"
    Temperature = subprocess.check_output(cmd, shell=True)
    
    # Icons
    draw.text((x, top), chr(61931), font=font2, fill=255)
    draw.text((x + 50, top + 52), chr(61888), font=font2, fill=255)
    draw.text((x, top + 52), chr(62152), font=font2, fill=255)
    draw.text((x, top + 15), chr(62171), font=font_icon_big, fill=255)
    
    draw.text((18, top), IP.decode("ascii"), font=font, fill=255)
    draw.text((x + 22, top + 12), CPU.decode("ascii"), font=font_text_big, fill=255)
    draw.text((x, top + 36), MemUsage.decode("ascii"), font=font, fill=255)
    # draw.text((x, top+39), str(Disk), font=font, fill=255)
    draw.text((x + 66, top + 52), Disk.decode("ascii"), font=font, fill=255)
    draw.text((x + 10, top + 52), Temperature.decode("ascii"), font=font, fill=255)
    
    # Display image.
    disp.image(image)
    disp.display()
    time.sleep(5)