Questions tagged [embedded]
For questions about software and firmware embedded on hardware.
228
questions
91
votes
2
answers
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How do web-servers "listen" to IP addresses, interrupt or polling?
I'm trying to understand the lower details of web servers.
I am wondering if a server, say Apache, is continuously polling for new requests or If it works by some sort of interrupt system. If it is an ...
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34
votes
3
answers
10k
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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 ...
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23
votes
3
answers
3k
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What is the Linux command that encapsulates almost all of the other commands?
I remember that for Linux running in embedded systems, due to size limitations, it can't pack as many commands as in ordinary workstations. So there is a do-it-all command that can mimic almost all ...
- 577
22
votes
6
answers
6k
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Can we run Linux in something faster than RAM?
This is perhaps a silly question, and may be the result of a misunderstanding. I'm studying CPU's right now, and memory in particular. I was just reading about how much faster SRAM is than DRAM but ...
- 906
14
votes
2
answers
17k
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How do I know if the fonts in a PDF file are embedded or not?
How can I understand that the fonts in a PDF file are embedded or not?
- 55.5k
14
votes
1
answer
2k
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Has anyone evaluated NuttX RTOS?
While reading Linux User's Journal today, I stumbled across a little blurb about NuttX RTOS. I checked out their website and was fairly impressed with its feature set and its ability to put it in an ...
- 535
10
votes
1
answer
7k
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Linux acting as USB device
I am working on an embedded Linux platform and I have need to transfer data between the platform and a PC. The embedded Linux has a USB device port (like a printer), so this is the means by which ...
Aaron
9
votes
7
answers
5k
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Is there a Linux distro that will easily run "embedded style" on a Raspberry Pi? [closed]
I need a Linux distro that will give me the following:
Run on a Raspberry Pi
Can reliably survive power loss (like via a read-only filesystem)
I've been able to hunt down some documentation on how ...
- 191
9
votes
1
answer
23k
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Thunderbird not showing embedded images?
I receive a weekly report in Thunderbird (7.0) from the CMS i use for my website. It shows everything in the correct layout but no images. It shows there are 48 attachments vs showing the embedded ...
- 3,871
8
votes
4
answers
8k
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Word 2013 export to PDF how to keep font vectorized
I have to use Myriad font with Word 2013 (I cannot use other font or software).
When export my Word doc to PDF, Myriad font is bitmapped (many pixels).
My question is : how to keep the font ...
- 223
7
votes
4
answers
24k
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What to do with a Linux OS microSD image file?
I am trying to install Ubuntu on the Odroid U2 SoC (http://www.hardkernel.com/renewal_2011/products/prdt_info.php)
From this site I downloaded the "Micro-SD image file" (http://com.odroid.com/sigong/...
- 79
6
votes
3
answers
22k
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Run ifconfig without sudo
I have an embedded Linux running on a imx6 platform. This is a freescale embedded linux. The problem is that there is no sudo available for this linux, but I need to activate and deactivate the wlan0 ...
- 279
6
votes
2
answers
11k
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Difference Between Windows XP and Windows XP Embedded
What is the diiference between Windows XP and Windows XP Embedded environment and pros/cons of both these environments.
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6
votes
3
answers
4k
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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 ...
- 167
6
votes
2
answers
4k
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How do I boot [embedded] linux from sd card?
I am hacking together a quick embedded linux system on a DM816x evm board. Previously I have been using TFTP and NFS to load my kernel and root filesystem to the board. I am now trying to switch over ...
- 173
6
votes
3
answers
13k
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Disable On Screen Keyboard in Windows 7
I run Windows Embedded Standard 7 with a multi touch screen (running on the UPDD driver 4.01.10). The system is running an application in kiosk mode with no need for any other input device.
The On ...
- 679
6
votes
3
answers
447
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What kind of chip to use for underwater robotics? [closed]
I have no experience with embedded systems hardware and am looking to build a micro-budget underwater robot for exploring the bottom of a lake on the family homestead. I don't have much money to spend ...
- 1,768
5
votes
3
answers
4k
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Windows CE On Laptop
I have old-ish laptop that comes with touch screen.
What I wanna do is buy GPS module for it and install basic windows ce on it.
Then use it as gps navigation with igo 8 for ce
Is that possible?
...
- 279
5
votes
2
answers
5k
views
Minimum volume size for FAT16
What are the theoretical and practical minimum sizes for a FAT16 volume?
I'm trying to determine the smallest Flash-chip size that can handle a FAT16 FS.
- 320
5
votes
1
answer
8k
views
How to tell if fonts are embedded in a Microsoft Word document
How can I confirm whether or not fonts are embedded in a Microsoft Word document? I already know the process to enable embedding in Word.
- 3,626
5
votes
0
answers
3k
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PulseAudio cannot open PCM device
I have an IMX6Q based board and want to game with PulseAudio.
My board has three sound devices:
# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: tlv320aic3xaudi [tlv320aic3x-audio], ...
- 51
4
votes
5
answers
335
views
Upgrading from single core to dual core - Will throughput get doubled?
If i replace a single-core processor with a dual-core processor, Will it increase the throughput by two times ? If No, why throughput does not get doubled ?
- 270
4
votes
6
answers
25k
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Embed Powershell in notepad ++
after playing about with Ubuntu 10.04, one of the interesting things I noticed was that you could embed a terminal in gedit. Is there a similar plugin that would enable me to embed a Powershell (or a ...
- 2,423
4
votes
3
answers
79k
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Embed an Excel spreadsheet inside a PDF?
Is it possible to include an .XLS file inside a PDF, so that the user could open/extract the spreadsheet from their PDF viewer? (Maybe in the same manner MS Word allows you to include a DDE object?) ...
- 316
4
votes
1
answer
486
views
Kiosk embedded computer: hide as much as possible before the app starts in Windows
What is the industry-standard solution for touchscreen "kiosk" embdedded computers (in public places) running Windows to hide things as much as possible when the machine boots, until the ...
- 1,809
4
votes
2
answers
2k
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Single core to Dual core and Interrupts
Does increasing the number of cores result in the increase in the number of interrupts that can be handled by that processor ?
- 270
4
votes
3
answers
20k
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Windows Embedded 7 Standard system requirements
I've searched the Microsoft site from one ende to thte other and cannot find the system requirements for Embedded Standard 7 for a device - I can only find the requirements to develop...
Anyone know ...
- 45
4
votes
1
answer
3k
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Upgrading 7 Embedded to SP1
I have approximately 100 devices out in the field with Windows 7 Embedded installed. I have a requirement to upgrade the IE version to a newer version (10 or 11), for this I need to update the ...
- 275
4
votes
2
answers
5k
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RAM test to run on an embedded device
I want to test RAM on my embedded Linux device for any kinds of problems. Can people suggest any RAM test suites out there?
I am working on ARM architecture.
- 349
4
votes
2
answers
3k
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How to boot linux direct to application on console with no login
I have a need to start an application on bootup on the linux console and I do not have a
need for any type of login or security. I do not need any ALT-F1,F2,etc virtual consoles
but I would like to ...
amanda
4
votes
5
answers
3k
views
802.11g USB wireless adapter with Linux AP support [closed]
Are there any USB wireless adapters out there that support 802.11g in AP mode under Linux?
Binary drivers are a no-go, as I plan to use it with an ARM device. Support for WPA would be very desirable ...
- 1,563
4
votes
0
answers
883
views
How do I embed a plotly chart in a Notion document?
I have a chart that I've made with plotly in RStudio. I can host it in an arbitrary location, with github or a place like shiny apps.
I'd like to make the plotly chart available from a Notion doc. I'm ...
- 785
4
votes
0
answers
114
views
Hue shift on youtube.com (but not when embedded!) [duplicate]
Possible Duplicate:
Red and blue are swapped on Youtube
This is easily the oddest problem I've yet had. When I'm on youtube, and I look at a video, the hue is all wrong. Pure red becomes pure ...
- 7,378
3
votes
4
answers
320
views
Looking for Fast RS-232 or RS-485 Interface Cards for Windows [closed]
I have a module that is usually bundled with a master module, which we now want to use unbundled. The module uses an RS-485 interface. The problem is, by default, the module runs at 1.25 Megabaud, ...
- 315
3
votes
2
answers
400
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:
...
- 358
3
votes
1
answer
8k
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installing software without package manager
I have an embedded system running linux. I need to install some software, in particular uucp package containing cu command. This is really all i need.
At the moment all I have is a root access to the ...
- 7,279
3
votes
2
answers
1k
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Is it possible to execute scripts on embedded linux devices (i.e: DSL routers)?
Folks,
I wanna find a generic way to run a (simple bash) script on boot sequence of a router with embedded Linux. I have read about ways to do this on devices like:
DD-WRT
OpenWRT
any NAS like D-Link ...
- 6,713
3
votes
2
answers
7k
views
Windows 7 Embedded & .NET 4
Can you update the .NET framework on Windows 7 Embedded to the 4 framework?
- 153
3
votes
2
answers
36k
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Changing kernel bootsplash image?
I want to display a custom boot splash image on my Beaglebone Black (running Ångström).
I know of three places where images can be dumped to the framebuffer:
Bootloader (uboot) - needs display ...
- 677
3
votes
2
answers
182
views
Does programmable hardware exist to allow hardware to be programmed by computers?
I am a programmer and I have never really dealt with the hardware of anything, only software. I want to start building things that I can control from my computer using programming. My question is are ...
- 335
3
votes
1
answer
2k
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How to reinstate toolbars on an embedded PDF with Firefox and Adobe Reader plugin?
Using Firefox I was viewing a PDF file embedded within a web page, with the toolbar available. After right-clicking to deselect the toolbar (I was testing something) I cannot find a way to reinstate ...
- 305
3
votes
3
answers
15k
views
Linux comand line program, serial (COM port) transmistion, Hex
So I need a program that I can run on embedded linux (OpenWRT 8.09), via command line,
I need to be able to transmit 8N1, i need to transmit in HEX (not ascii,) and preferaby also in decimal.
As far ...
3
votes
2
answers
3k
views
Minimum volume size for fat12
I am searching for the answer, what is the theoretical minimum size for a FAT12 volume?
There is only requirements that embedded and normal systems should recognize it on a pen drive as legal file ...
- 31
3
votes
1
answer
2k
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single chip computer, microcontroller and embedded system
I was wondering what relation and differences are between single chip computer, microcontroller and embedded system?
Are single chip computer and
microcontroller the same concept? Is microcontroller ...
- 17.3k
3
votes
1
answer
14k
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embed file in Excel cell
I'm working on a simple "DB" for some people at work and I don't want to do anything fancy.
the fields should be something like
name , number , notes , File:resume, notes
(where file:notes is the ...
- 1,562
3
votes
6
answers
73k
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How to print embedded images in e-mails?
My boss has been trying to print his e-mails with embedded images, but the images don't print. All we get is a placeholder space where the image should be. Ideally, we'd like to have an option to ...
- 253
3
votes
2
answers
13k
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Cheapest single board computer which can run Linux? [closed]
I'm searching for the cheapest single board computer which can run Linux. It must have ethernet and at least one serial port.
I'm currently looking at these modules from Technologic Systems, but ...
fred basset
3
votes
4
answers
6k
views
Embedding videos in Evernote notes?
Using the Evernote web clipper, I have the option to clip Youtube video pages.
This results in a note with an embedded video thumbnail, which when clicked opens the Youtube page:
How can I manually ...
- 243
3
votes
2
answers
74k
views
copy file from network device to local computer via TFTP
Network device (embedded Linux) connected to local computer (Windows OS). What is tftp command to copy binary file from network device to local computer? Also, what's command to copy file in the ...
- 409
3
votes
1
answer
1k
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Udev rules on Ubuntu/OMAP (Beaglebone)
I have an IROX Pro-X weather station and am running wview weather software on Ubuntu 12.04.
I have been running it on my old laptop for a few months with no problems but am trying to run it on a ...
- 31