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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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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Cross Compiled V4L2 of embedded Linux
Hello all I am new to Embedded Linux. I am having embedded hardware running Linux 5. I want to enable a webcam on it but i dont have internet access or a compiler installed. So i cross compiled V4L2 ...
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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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How to run Ubuntu RISC-V guest using qemu in Windows 10 host?
I've run Ubuntu RISC-V using Qemu in Ubuntu 22.04 guest in VirtualBox that installed in a Windows 10 host. The Qemu command is a following.
qemu-system-riscv64 \
-machine virt -nographic -m 2048 -smp ...
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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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eclipse for embedded c/c++ developers couldn't be launched on Ubuntu 20.04
I have installed eclipse for embedded c/c++ developers on Ubuntu 20.04, and it couldn't be launched the first time, but the next time, when I went to the installation directory, double clicked the ...
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Flash Magic error: "Unable to communicate.(in use)Ensure no other applications are using the COM Port. Try raising or lowering the baud rate"
I am trying to burn a .hex file on LPC2129 by connecting it through USB wire with my PC by using Flash Magic software on Ubuntu 20.04. The moment I press start on Flash Magic it shows the error below:
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how to install genimage on ubuntu 18.04 LTS
I want to use genimage tool for generating file system for my embedded device, but seems it is not installed in Ubuntu 18.04 by default as when I want to use it I get genimage: not found
Then is there ...
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how to solve "No if updown configuration found" for CAN bus interface Linux 18.4.4LTS
I am trying to get SocketCAN interface working. I've added the slcan0 adapter and trying to run candump slcan0 at a bit rate I am sure the CAN devices is running at. I dont see any data being printed ...
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Is there a command that can be sent into a usb port to request the system's time?
I'd like to add a functionality to a project I'm working on, in which as soon as an external controller device powers on, it sends a time-request/command to a ttyusb port of an Ubuntu PC, and the ...
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Install xattr on a Ubuntu 16.04 server?
This may be a bit esoteric, but I love to push hardware and software to its boundaries. I'm sure that this is simple, but is just far enough off of mainstream that I'm not seeing the connecting dots.
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SDL2 Ubuntu Server
I have written a code to display some images with golang and SDL2, I have tested the code in the Ubuntu desktop 18.04 and had no issue.
I wanted to use the code in an embedded configuration, and ...
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fatal error: asm/linkage.h: No such file or directory, C/C++ problem
I am trying to compile code that I downloaded from this GitHub repository on Eclipse CDT 3.8.1 and using Ubuntu 16.04 and kernel version 4.13.0-041300-lowlatency (because this project works on Xenomai ...
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DHCP over Ubuntu for Embedded System
I have an embedded Linux system running Ubuntu connected via Ethernet to my laptop which is also running Ubuntu. My laptop is connected to my home network via wifi. I would like to create a local ...
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Identifying the file system of an img file and mount it
I have downloaded an SD image loader from nxp website.
The name of the downloaded item is O8.1.0_1.4.0_ANDROID_TOOL_7ULP_GA (This is not an Android question btw).
The image loaded on my SD is inside ...
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Read Only Filesystem for Kiosk Application
I have something like an Intel NUC running Ubuntu that operates like a touchscreen kiosk in an industrial environment. It gets power cycled regularly and I want to protect against hard drive ...
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TrueStudio "Could not determine GDB version command" error
I am working with TrueStudio. I face with this error when click Debug button. https://i.stack.imgur.com/AhN6q.jpg How can I fix this problem? Before this in the build step I saw another warning as ...
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How to install Keil µVision on Ubuntu 18.04
I want to install Keil µVision on Ubuntu 18.04. How can I do that?
I would like to use Keil µVision for my laboratory microcontrollers and embedded systems.
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JDK not found when installing Java ME SDK on Ubuntu 18.04
Ubuntu 18.04 user here!
I'm going to use Java to program embedded systems such as the boards:
Raspberry Pi
STM32429I-EVAL
32F746GDISCOVERY
Intel Galileo Gen. 2.
They are not so many, but they are ...
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Start WiFi AP services after boot
I am new to shell programming in Linux. How should I automatically turn my nanopi device into a WiFi Access Point after boot? What script should I write?
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Ubuntu laptop Linux blocking Embedded Linux board Linux domain
I'm doing some embedded Linux work with an ARM board. The ARM board is set up to serve a hostname, and you should be able to type in a browser on a laptop (connected via a router):
http://pynq:9090
...
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Unable to set static IP on embedded with ubuntu 16.04
I have a Wandboard embedded system with ubuntu 16.04 (I think it is the minimal version) and kernel 4.9.35. I have been trying to set an static IP but I have not managed to do it. I have been ...
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Does Ubuntu Core support real-time?
Does Ubuntu Core's kernel support (hard) real-time?
If not, is it using a standard kernel, which can be patched with the CONFIG_PREEMPT_RT set?
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Programming C8051F020 in Ubuntu 16.10
I need to program the c8051f020 microcontroller on Ubuntu 16.10.
I have yet Silicon Labs IDE through Wine and Simplicity Studio, but they doesn't work.
The first one not recognize the USB debug ...
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Configuration of services via Systemd for Embedded Linux
Hello Dear Ubuntu Users,
I am working on an embedded system, which runs Ubuntu.
The task I would like to achieve; after the deployment of the machine, shut the network services for 15 minutes (let'...
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What's the easiest way to flash an upgraded filesystem for an embedded ubuntu device?
I have an embedded system running a 3.10.9 kernel with 12.04.5 Ubuntu. Due to the many security vulnerabilities that now exist with the older Ubuntu OS, I am trying to upgrade either the Ubuntu OS or ...
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How can I image an embedded ubuntu device over the network?
Background Info
I have an embedded system running Ubuntu 12.04 which I need to upgrade to patch some security vulnerabilities. The changes will include upgrading to ubuntu 14.04, changing a few ...
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Remove/Bypass startup script
I am in trouble. I have a Linux (Ubuntu 14.04) based embedded device (PLC). I wrote a startup script in /etc/init.d/rc.local and created its symlink in Run Level rc.d directory. The script is a C ...
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Ubuntu Core vs. Arch Linux on ODROID-C0 development board [closed]
I have a Hardkernel ODROID-C0 development board. At the ODROID-C0 website it says that some of the operating systems that run on the ODROID-C0 are Ubuntu, Android, Arch Linux, Debian, and OpenELEC. I ...
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Can't ssh nor ping into and out of the system but internet is working
I'm new to Ubuntu. I just got a Odroid-C2 and I plan to use it as a Node.js server. I'm using the official Hardkernel Ubuntu Mate Image (should be version 16 or 14.x), and I need SSH Access to it. Not ...
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How to keep sfdisk working?
I updated to Ubuntu 15.10 but it causes a huge issue for me: sfdisk doesn't work anymore.
I really need sfdisk to build partitions on SD card for my embedded Linux but it seems that options have ...
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Activate /dev/fb0 on Ubuntu Minimal?
I'm writing a program that's intended for use on an embedded CPU. For that, I'm trying to set up a small Ubuntu. Ubuntu Minimal looks like it works, with one problem: I need to do my own graphics ...
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How do I Configure/Use Hyperterminal in Ubuntu 14.04?
I do use HyperTerminal in Windows to send Data to my Micro-Controller.
So that I can't see such features in Ubuntu 14.04 and also how to configure COM Ports as well as list out the details of the COM ...
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ls discrepancy with du df output
Adding up the sizes of files and directories returned by ls gives a different value than that given by df or du. The df and du commands give me the same output, so I don't have that frequent problem, ...
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Set-top box with embedded Linux. Can it be wiped for an Ubuntu install?
I have a YouView box, which runs on embedded Linux. The file-system is encrypted and there are only USB/HDMI ports on the rear (no serial ports). Pressing shift on boot doesn't provide me with any ...
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Which Version of Ubuntu is arm build?
I'm considering to use Ubuntu for a platform of our company's development effort of the main control unit in our country's national road VMS(Variable Message Sign) system.
In relation to that, I want ...
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Burning ATmega32 using USBasb
How to burn ATmega32 using USBasb. I am using atmega 32 for my project. I an using Ubuntu for many years but it is now one of the big problem for me.
Can we directly use terminal to burn atmega32 ...
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how to create GUI for embedded systems
I need to create a GUI for a program that I will build to run in a minimal version of linux in an embedded system that i am making.
Not sure if I'm going with arm or small factor x86 architecture and ...
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Getting libboost-all-dev for ARM machine Linux--UHD Ubuntu 12.04 ZyBo ARMv7 32bit
Basic info:
I need to install UHD on my ZyBo board (by Digilent and Xilinx), but cannot. I have Xillinux Ubuntu 12.04 installed on it. It has an ARMv7 architecture of 32bits.(Go to bottom for question)...
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Can installing Lubuntu instead of Ubuntu help in decreasing the processing time of my program on an embedded system?
I've written a machine vision processing algorithm on an embedded board which is going to be installed in the outdoor environment. The embedded system consists of an Intel Atom Dual Core processor ...
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How do I guard ubuntu for power outage?
I develop industrial equipment with embedded PC and Ubuntu 12.04.3.
Web server(apache) and DB(sqlite) running automatically when I turn on this PC.
User can't shutdown in the correct sequence. ...
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Which version of gtk is compatible with Ubuntu ARM
I am learning GTK+ 3 on my pc which has Ubuntu 13.10 installed. Classes such as ListBox and Stack seem to be unavailable for 13.10 as they are packed in GTK 3.10 which only comes with 14.04. My aim ...
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