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Questions tagged [embedded]

For questions about software and firmware embedded on hardware.

1
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0answers
42 views

How can I extract and decrypt a file which is embedded inside a PDF file in Linux? [closed]

How can I extract and decrypt a file which is embedded inside a PDF file in Linux? I can do it with the Adobe Acrobat Reader, but this solution does not work with Linux. The attached image shows ...
-2
votes
1answer
59 views

PowerPoint Slideshow Error: Server application, source file, or item can't be found

When I double click charts embedded in my PowerPoint slideshow, the following error shows: The server application, source file, or item can't be found, or returned an unknown error. You may need to ...
0
votes
0answers
37 views

Date resets to 1977 on Embeded Orange Pi running Armbian

I have an Orange Pi PC Plus board running Armbian that is not connected to the network and won't be synchronizing time through NTP. After running for few days, the date resets to 1977 without power ...
0
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0answers
33 views

manage communication between 2 embedded devices without IP

I am currently working on a project with two embedded devices connected. the devices are low power scale, hence im looking to minimize the overheads of protocols will be used. my question is: can I ...
1
vote
1answer
222 views

Windows 10 Disable Welcome Screen

Is there a way to disable the welcome screen in Windows 10? I already found an option to disable the lockscreen and the boot screen, but the welcome screen with the username and account image still ...
31
votes
3answers
8k views

How is the memory inside card chips read without a power source? [closed]

When we use our debit cards or any card with a chip inside of it that gets immediately read when scanned, how is the memory inside the chip retrieved since the card isn't exactly "turned on" much like ...
0
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0answers
14 views

no RT patch for linux kernel 3.19 version available - use next closest one, namely version 3.18 or 3.2?

Hy community, I use a 3.19.5 Linux Kernel for my target-board. Now I want to make it real-time capable with the RT_PREEMPT patch. But the 3.19-series is not avaiable under https://mirrors.edge....
0
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0answers
221 views

PL2303 USB-TTL driver for Wondows 10 not working fine?

This is not purely Computer Hardware/Software Problem but it does directly relate to it. So bear with me if its out of context. I am working on Embedded application, where i have designed a device ...
0
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0answers
33 views

How do we prepare sd card for boot

I have a uboot.img and a uImage prepared for an nxp board. I want to understand how can I make u-boot to load kernel. So I understand that there is an address on sd card from where the kernel image ...
0
votes
0answers
23 views

Upgrading rootfs while preserving /etc

I am trying to find a solution to easily update an embedded linux device. I have been looking around and one of the solution I have found is to have 2 rootfs partitions. Let's say A and B. One of ...
0
votes
0answers
24 views

PDF's, embedded files get stripped away

We download some PDF's from a webapp. This PDF's contains a XML file embedded. On some Windows client machines this embedded files get stripped away and we cannot find any program o specific process ...
1
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0answers
58 views

U boot send failed: Error when trying to load a u boot image

I am trying to load a uboot image on a PCB. The board uses a pre-configured script in which it attempts to boot the board and, seeing that there is no boot image, it downloads the image over Ethernet ...
0
votes
0answers
258 views

Unable to select “gdb/gdbserver” in BuildRoot configuration

BuiltRoot is a tool to build embedded linux images. I want to enable gdb/gdbserver in target system, but fail to select "gdb/gdbserver" in Configuration > Target packages > Debugging, profiling ...
0
votes
2answers
129 views

Non-Persistent Linux from HDD

I am developing a embedded product that will be running linux on hardware similar to a raspberry pi but with internal storage. I would like it so that the power can be cut to the machine and have a ...
0
votes
0answers
222 views

OTA update with SWupdate in yocto

I am using a Yocto setup for OTA to my board. In this I want the software to be updated either from Web or cloud or CLI. My board is having eMMC only. In this case, I want to use the SWUpdate ...
0
votes
0answers
161 views

Windows 10 IOT single application only in embedded environment

I am creating a tablet computer running Windows 10 IoT Enterprise. I want the system to not start explorer.exe or any Windows GUI at all, and only start a ClickOnce-deployed WinForms application (the ...
0
votes
0answers
243 views

Build my own kernel on BeagleBone Black

I am trying to put an operating system like FreeRTOS onto the on-board storage on my Beaglebone Black via an SD card so that whenever I take the SD card out and restart, it will boot my new OS. I have ...
3
votes
0answers
175 views

Disabling Windows 10 update forever, Embedded use

I have 50 computers with windows 10 pro I disabled Windows Update Service I connected them to internet once to activate the windows These will be on 24/7 for an embedded project and never connected ...
0
votes
1answer
459 views

Why embedded linux(yocto) can't use whole memory of rootfs partition?

I've build Linux image with yocto and deployed it on IMX6qpsabreauto board. Filesystem was deployed on a second partition of SD Card formatted to ext4. Everything seems to work fine except that I ...
1
vote
0answers
126 views

Do real time operating systems support paging? [closed]

Is it possible to run multiple processes, not threads, on a microcontroller using an RTOS? If not, I can't see a reason for not always using a flat memory model? Without multiple processes, I can't ...
0
votes
1answer
32 views

Find out wep key from embeded client

im kinda stuck here i have an embedded system i was given from a friend that connects to a wifi network to configure it unfortunately he cant remember the WEP key that was used to connect it. is there ...
-2
votes
1answer
86 views

windows 8.1 embedded industry with no WI-FI

I just installed windows 8.1 embedded industry on my Transcend storejet M3 and its working perfectly. But here comes the big issue no WiFi 📶 in the connection settings is just proxy and VPN in ...
0
votes
1answer
494 views

Where do I find the default baud rate for screen (on Mac)?

This command works fine: screen /dev/ttyS I don't need to set a specific baud rate. Do you know what the default baud rate is, or where I can find the default baud rate that is used?
0
votes
1answer
244 views

Can't find an internal IP address of device connected to LAN

Local LAN, Ubuntu laptop and Viasat Surfbeam SM2101 modem are connected to the router, wired connection. I can't find an internal IP address of satmodem connected to the router. Router only show ...
3
votes
2answers
247 views

What font format is this?

An E Ink display I bought supports displaying text using a built-in command. According to the documentation, it also allows me to load a different "font library" for Chinese characters: Font ...
0
votes
0answers
61 views

How to create embed script file from script file with certficate

I have one certificate test script file, Checking_file.sh file ="/var/cert.pem" openssl x509 -checkend $(( 86400 * $DAYS )) -in $file > /dev/null its works file, But, I don't want to share my ...
1
vote
1answer
163 views

Install NAS4Free on embedded linux

My device has two usb ports and a a/b port, an ethernet port and some audio-video ports.I also can access it via Telnet (PuTTY). I want to install this OS, can i ? and how ? THX
0
votes
1answer
51 views

How to move data on internal storage of embedded linux?

I am working on development of device working on embedded linux. When working with new hardware versions of it, when I mess up, I have an image that I can copy using dd to SD card, boot from it, and ...
1
vote
1answer
411 views

How to get serial number or UUID from MTD device?

I have an embedded device with MTD device over NAND flash. Is it possible to get its serial number or UUID? I thought there might be a solution similar to getting UUID of hard drive but I didn't find ...
0
votes
1answer
346 views

How much faith should I put in Unified Write Filter?

I have a requirement to create a windows build which is ultra reliable. It's possible there will be frequent power loss on the PCs which I need to try and ensure this doesn't have a negative effect on ...
0
votes
1answer
1k views

Laptop uses eMMC as main storage

I have an HP laptop (http://www8.hp.com/ca/en/products/laptops/product-detail.html?oid=1308672). I hope not mentioning it explicitly doesn't violate stackexchange's policy. It uses eMMC as the main ...
0
votes
0answers
437 views

My UART receive a null character sometimes

In an embedded system, I use a GPS with others devices connected on 3 UARTs. When I use cat or minicom command with UARTs /dev/ttyUSB0 and others, I lose characters (I receive null character instead ...
0
votes
2answers
2k views

Kernel panic - not syncing: No init found

I am working on custom embedded Linux distribution on P2020RDB-PCA board and I've got stuck on following errors at boot time: EXT2-fs (mmcblk0p1): warning: mounting unchecked fs, running e2fsck is ...
0
votes
1answer
269 views

Using Android as a Linux Device

Okay, Please pardon me because i am going to ask a very stupid question which is coming in my mind and i can't able to find its satisfying answer. So i want to ask it here. I have an android device ...
3
votes
3answers
992 views

Prevent embedded YouTube videos from autoplaying?

When accessing certain websites that have YouTube videos embedded I have noticed that sometimes when the webpage loads the YouTube video will automatically play and taking a look at the source code it ...
0
votes
2answers
642 views

Reading binary dump of flash memory

I've been looking for a way to deal with this file and haven't found anything specific enough yet. I'm trying to find login credentials hardcoded into a router's firmware, and I think I'm about ...
0
votes
1answer
70 views

Not able to create new dir with file using resources in vb.net

Dim sPath As String sPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments)) For i = 1 To 50 Threading.Thread.Sleep(100) Application....
0
votes
0answers
139 views

iMX6 secured copy scp command fail

I am running embedded Linux on and iMX6 board. I would like to be able to put a file into my system with command 'scp'. I have Ubuntu running in a virtual machine in a desktop that has said files. ...
0
votes
0answers
252 views

install custom kernel and rootfs on board SMDKV210

I need help to install custom uboot + kernel + rootfs on a device with board SMDKV210 (device is panel INEWTEK) So the fact is that worked on a device (inewtek) with board SMDKV210 (call it old board ...
0
votes
0answers
310 views

Zero filled file on power cycle

We are using Windows Embedded on an applicance and have found a problem with power cycling close to file creation: the file ends up full of zeros. The process is to copy or create a file in a text ...
0
votes
2answers
402 views

Running out of memory while installing Windows Embedded 7 Standard with updates

I have downloaded all current updates to my DS through WEDU, and have added these to my Answer file with "Validate > Add Applicable Updates". However, when I now try to install this image, I run out ...
1
vote
0answers
471 views

Using iw to add a virtual wireless interface, getting the error “No such device (-19)”

I need to add a virtual wireless interface to my NXP embedded linux system using iw. I have loaded Broadcom's driver and brought up wlan0. I can connect to networks with the wifi SDIO adapter just ...
0
votes
0answers
310 views

Simple DHCP server for just one device

I am building a small system that has one embedded computer and one ethernet device. The embedded computer has a fixed IP address (from the manufacturer), but the ethernet device uses DHCP to get its ...
1
vote
1answer
122 views

OFL Fonts - Allowed to embed in Word template?

I'm working on a Word template for a client who has this custom font in Open Font License. I've never done any work previously with fonts like this, and I read that it's meant to be open source and ...
1
vote
1answer
35 views

Need to Reference multiple sheets with IF(OR(AND( imbeded

I need to reference 3 sheets, "Shipping", "Equipment", and "Inventory", where Column A in Shipping and Column A in Equipment both refer to the Location Number, and Equipment Type is designated by text ...
0
votes
0answers
24 views

Can I create a burnable image from a custom vagrant box

I'd like to create and develop on a UbuntuMate image using vagrant. My question is, can I then create a burnable/bootable image of that OS and bootup on my raspberry pi? Can an image lauched and ...
-1
votes
2answers
465 views

Embedding an excel file on a website for further editing?

I have been provided with an excel sheet that has a tonne of calculations on it (an economics model) and have been asked to place it online. It would take days to debunk and code into a webpage, so ...
0
votes
1answer
653 views

Possible to recover a word file embedded within a temporary internet word file?

I was emailed (in outlook) a word document that contained the instructions for a job test. The word document contained a number of other embedded word files, including a template for preparing your ...
2
votes
1answer
534 views

Prevent IP address conflicts on a heterogeneous network consisting of PCs and embedded systems in a retail environment

In our LAN environment (wired and wireless), IP Address conflict almost always gets our systems down. We have a lot of equipment connected to the network: PC's, Access Points, RF, weighing scales, ...
0
votes
0answers
173 views

Compatibility with FAT32 using 1024 sector size

On an embedded system, we are using FAT32 with 512 sector size on SDCard. We will be writing files of 800k and need to do this quickly. Our filesystem code writes in blocks of 512 to the SDCard ...