Questions tagged [embedded-system]
Embedded systems are compact, low-power devices which can run Ubuntu but DO NOT have an x86 CPU. They often (but not always) use the ARM family of processors and provide a reduced set of peripherals compared to a full PC.
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Waveshare 4.3" DSI LCD Not Working on Raspberry Pi 5 with Ubuntu 24
I’m trying to get my Waveshare 4.3" DSI LCD working on my Raspberry Pi 5 running Ubuntu 24 (64-bit), but the screen is not displaying anything.
Last year, when I first booted my Pi 5 with Ubuntu ...
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Ubuntu Desktop wpe-webkit-mir-kiosk Green Screen
I am following the tutorial here (https://discourse.ubuntu.com/t/how-to-set-up-digital-signage-on-ubuntu-frame/31068) to get some digital signage working on a Le Potato AML-S905X-CC board. When I ...
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When I connect Pico and Pi4 via USB, what is the Max baud rate?
Usually, it is written as if up to 1,000,000 is possible. However, I learned examples of setting baud rate = 115200. Can I set it up faster than this?
I am using Pi4 and Pico The connection is USB-...
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Looking for embedded Ubuntu for a headless device with a camera and network
I'm prototyping a device with a high frame rate USB3 camera (Allied Vision), which has a proprietary Linux driver. Testing it on Ubuntu Desktop shows occasional glitches. This is probably due to a ...
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Using "eject -s /dev/sdx" appears to send more then only the SCSI eject command over USB/MSC connection
I am writing embedded STMicro.com STM32 processor code and using the STMicro.com's USB drivers. There is no other software running on the STM32 processor. It is a bit unusual, but we have managed to ...
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Why is linux used for IoT devices [closed]
I know that linux provides some benefits when it comes to security, and cost. But why is Linux used so much for embedded systems and IoT devices?
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Performance test went wrong and the dd command created 13TB of data on /dev/mapper/device. Why system didn't crash? HDD-250GB
So I wanted to do some performance test with encrypted and normal data storage on my embedded device.
That is not what I was expected to see at all!
Can you please explain it to me what just happend. ...
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sudo cat /dev/input/eventX shows nothing
Ubuntu 18.04,
in terminal when I do
sudo cat /dev/input/event0 or eventX
nothing shows up! what is wrong here?
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What are the technical differences between Ubuntu and Debian?
I understand the philosophical differences, and things like release cycle, stability, etc. But on a more technical level, what's different between the OSes themselves? I know they use different ...
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The procedure to get Ubuntu running on different hardware besides RPI
extremely new here!
Over the long weekend I finally caved in and grabbed myself a STM32MP157F-DK2. It booted up to what I think is a tutorial linux-esque OS to show you around the hardware and ...
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Implement shutdown screen
Is it possible to implement a “shutdown screen” like the good old Windows 95 “It is now safe to turn off your computer” screen? I’m thinking of an executable that displays a shutdown page fullscreen ...
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What are the options to manage the size of /var/log/syslog of an embedded system
I have an embedded system (i.MX6) running a modified version of Ubuntu 18.04 LTS bionic stored on its SD card and I want to know how to manage /var/log/syslog file size.
I noticed that systemd journal ...
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Embedded studio
I used to program embedded microcontrollers with keil uvision software on windows but recently I switched to ubuntu operating system and still don't know how to program microcontrollers (cortex -m3 ...
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How to connect an embedded linux system to pc via ethernet?
I have a custom board with a linux system and I want to connect it via ssh to my personal pc running ubuntu over ethernet.
With window I use putty to connect to the board, but in linux I don't know ...
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Ubuntu 20.04 Raspberry Pi 4b PXE boot fails after run /init
I have been trying to PXE boot Ubuntu 20.04 server lts for the rpi4 since about a week now, and I am basically stuck at the point where /init is executed and the boot process basically stalls. I can't ...
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