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435
votes
3answers
157k views

What is the Mars Curiosity Rover's software built in?

The Mars Curiosity rover has landed successfully, and one of the promo videos "7 minutes of terror" brags about there being 500,000 lines of code. It's a complicated problem, no doubt. But that is a ...
4
votes
1answer
100 views

Testing my model for hybrid scheduling in Embedded Systems

I am working on a project for school, where I have to analyze the performances of a few fixed-priority servers algorithms (polling server, deferrable server, priority exchange) using a simulator in ...
1
vote
1answer
131 views

Multithreaded Pre/Post Functions

I'm programming an application for an embedded device. We are using an RTOS that supports multi threading. The device is supposed to mimic an older project that was programmed in plain C (without ...
1
vote
0answers
183 views

Embedded Tomcat Cluster

Can someone please explain with an example how an Embedded Tomcat Cluster works. Would a load balancer be necessary? Since we're using embedded tomcat, how would two separate jar files (each a ...
10
votes
8answers
7k views

Why does C dominate in the embedded software market? [closed]

Almost everyone will now say the blessing: performance! Okay, C does allow to write athletic code. But there are other languages that can do so, after all! And the optimising power of modern ...
1
vote
2answers
186 views

Implementing a simple controller in embedded C

Is there a known method or pattern to implement a simple controller for an MVC design in pure C or the switch case approach is the standard? Background : I have an embedded application and I'm ...
7
votes
4answers
294 views

Omitting “destructors” in C is taking YAGNI too far?

I'm working on a medium embedded application in C using OO-like techniques. My "classes" are .h/.c modules using data structs and function pointers structs to emulate encapsulation, polymorphism, and ...
4
votes
4answers
242 views

How big can the binary code be?

Where does binary go in a computer? When you turn the computer on it points to the bios and runs through it. I get that. Then it loads data off something ( disk, flash, etc. ). But where does it go? ...
2
votes
7answers
3k views

Is a degree needed for low-level/embedded programming jobs? [closed]

I know that it is possible to get into software development without a degree in computer science, but is it possible (or rather, common) to be able to get an embedded programming job without the ...
3
votes
1answer
85 views

Whole Program in CASE

I'm going to start by saying, this may not be the correct place to post this. So...I'm working in Embedded Development, using C. Is there any benefit or disadvantages to doing the following: while ...
5
votes
1answer
268 views

Why do some embedded projects shun cross-compiling?

As I've been getting into embedded systems I've noticed that some projects (Arch Arm and OpenBSD for example) frown upon cross compiling. What is the reasoning for this? Is a cross-compiled binary ...
1
vote
2answers
320 views

In embedded, is there any difference between a device driver and a library?

Assuming a platform with no kernel mode, such as Atmel AVR, is there any difference between a device driver and a library, given that everything is user mode anyway? I ask because I'm thinking about ...
3
votes
1answer
6k views

Where to start to learn C/C++ Embedded Linux Programming [closed]

I'm an experienced software engineer and an advanced Linux user. I already know C and C++. I've developed C applications on Unix in the past and C++ (mostly on Windows). I would like to start to ...
0
votes
0answers
86 views

Creating New Wrapper Objects and Extension Classes and Keeping it Organized

Here's my situation: I'm programming an embedded device with a very simple, but customizable LED array display. It's 10 RGB LEDs linearly setup. The LEDs will be used to display many different ...
3
votes
4answers
416 views

I might be starting to do Arduino development and I would like some advice [closed]

So, today I looked at Arduino; seems very interesting. I still don't want to shell out the money just yet, as I have some questions, namely: Should I learn something about electronics? What and with ...
4
votes
7answers
4k views

What is the best way to learn how to develop drivers?

At some point in my career I would definitely like to get involved in some embedded programming. I was thinking that starting out with developing some drivers would be a good place to develop my ...
16
votes
7answers
5k views

What is a faster alternative to a CRC?

I'm doing some data transmission from a dsPIC to a PC and I'm doing an 8-bit CRC to every block of 512 bytes to make sure there are no errors. With my CRC code enabled I get about 33KB/s, without it I ...
1
vote
3answers
214 views

Question about moving to embedded systems [closed]

I currently work as a .net developer and have coming up to 3 years experience in the industry as well as a degree in computer science specifically software engineering (I know that means nothing but ...
5
votes
2answers
1k views

Writing generic code when your target is a C compiler

I need to write some algorithms for a PIC micro controller. AFAIK, the official tools support either assembler or a subset of C. My goal is to write the algorithms in a generic and reusable way ...
6
votes
4answers
1k views

What are some standard design methods to add GUI to a command line app? [closed]

I have an embedded linux c application that runs with a simple CLI. I am now tasked with creating a GUI that accomplishes the same functionality as the command line program. I am not an accomplished ...
2
votes
1answer
305 views

Is there any environments like Visual Studio for embedded systems? [closed]

I thought it would be very useful if there is an embedded application development tool like Visual Studio for web development. I mean when we develop web applications we have a toolbox and we drag and ...
4
votes
1answer
438 views

Embedded Linux Training [closed]

I have been working with an old OS9(not mac) operating system and I have been trying to get my organization to transition to an embedded Linux platform. We have money in the budget for training and I ...
3
votes
2answers
684 views

LGPLv3 in closed embedded environment

I'm thinking of using a LGPLv3 library in a closed source commercial program running in a closed embedded environment. According to what I know from LGPLv3 licensing, I can use it as long as the ...
0
votes
2answers
346 views

How to access an encrypted INI file from C on an embedded system with little RAM

I want to encrypt an INI file using a Delphi program on a Windows PC. Then I need to decrypt & access it in C on an embedded system with little RAM. I will do that once & fetch all info; I ...
9
votes
3answers
817 views

How to facilitate code reviews in a small team for embedded software? [closed]

Short Question Does a cost-effective tool / workflow exist to facilitate code reviews in a small team? More specifically, a small team that relies on post-commit code reviews. Background Our team ...
22
votes
8answers
7k views

Is embedded programming closer to electrical engineering or software development?

I am being approached with a job for writing embedded C on micro controllers. At first I would have thought that embedding programming is too low on the software stack for me, but maybe I am thinking ...
10
votes
4answers
2k views

Learning embedded systems development without supervision [closed]

I have graduated this year and got my first job involved with C programming, Linux administration and embedded systems development. I feel quite content with my job, but I'm afraid I won't become a ...
3
votes
3answers
1k views

distribution of programming languages in embedded systems

I am looking for statistics concerning the distribution of programming languages in the embedded sector. Do you know any good websites, articles or books? I found this as a first reference but am ...
2
votes
4answers
818 views

Python vs. Java for embedded wireless module [closed]

We are developing a product at work which interfaces with basic I/O and sends data to a webserver over a GPRS connection. What i need to know before we commit to a product, is which language is more ...
9
votes
3answers
1k views

What are the typical naming conventions for OO C public and private functions?

Short Question Is there a typical way to name 'public' and 'private' members of an OO C project? Background I fully understand that public and private members do not really exist in the C language. ...
3
votes
4answers
10k views

Is Embedded Engineer and Firmware Engineer the same Job?

I'm looking to steer my career of Computer Scientist a little more into robotics. I've been analyzing and junior embedded positions might be a good opportunity to start. However, searching through ...
11
votes
1answer
443 views

Why would it take hours to decode transmissions from Curiosity rover via MRO?

This video clip by NASA says that data from Curiosity relayed by the Mars Reconnaissance Orbiter (MRO) would be stored for a few hours, then transmitted to Earth (apparently taking about 14 minutes), ...
3
votes
1answer
484 views

How to unit test with lots of IO

I write Linux embedded software which closely integrates with hardware. My modules are such as : -CMOS video input with kernel driver (v4l2) -Hardware h264/mpeg4 encoders (texas instuments) -Audio ...
0
votes
1answer
198 views

What are some feasible ideas for building a smart-device/console development portfolio? [closed]

I would like to start getting more contracts in the mobile, smart-device, and console development space and, having little prior work experience in the field, I need to build a portfolio of example ...
3
votes
5answers
2k views

How to implement a software development process in an existing project?

My question involves setting up a Software Development process. If you came in to an existing project that had no formal methodology or process set up, and then were asked to set one up yourself, how ...
1
vote
1answer
269 views

Object Oriented programming on 8-bit MCU Case Study

I see that there's a lot of questions related to OO Programming here. I'm actually trying to find a specific resource related to embedded OO approaches for an 8 bit MCU. Several years back (maybe 6) ...
2
votes
2answers
348 views

Communication between state machines with hidden transitions

The question emerged for me in embedded programming but I think it can be applied to quite a number of general networking situations e.g. when a communication partner fails. Assume we have an ...
2
votes
1answer
541 views

How to start embedded development for developing a handheld game console?

I work as a iPhone app developer now, so I know a bit of c, c++ and objective c. Also have fiddled with Java and many other. All of them have been just high level application/games development. My ...
2
votes
1answer
290 views

0.00006103515625 GB of RAM. Is .NET MicroFramework part of Windows CE?

The .NET MicroFramework claims to work on 64K RAM and has list of compatible targets vendors. At the same time, same vendors who ship hardware and create Board Support Packages (vendors like Adeneo) ...
0
votes
2answers
179 views

Persistent Storage format for (update+read)-intensive data

I am developing a Java application. While using the application, data would be generated that needs to be stored on disk. I am looking for an embedded database appropriate for a average use-case of ...
16
votes
4answers
2k views

How to adopt agile methodology for developing firmware/embedded-systems-software?

I've always wondered how to apply agile methods really are in large complex embedded system software (100+ engineers). Firmware development has some unique characteristics that make it difficult to ...
4
votes
4answers
2k views

RTOS experience

I have been working as an embedded software engineer on mostly 8 bit micro-controller firmware and desktop/mobile applications development for the past five years. My work on a WinCE project (in ...
1
vote
3answers
3k views

How to apply good Object Oriented Design principles in Embedded Systems [closed]

I am a firmware engineer moved from Electrical background to Embedded Systems. I was till now programming in C and never bothered to apply OO principles in my design. Recently I was forced to ...
1
vote
1answer
222 views

Display dynamic content from embedded web server

I have an embedded device running a slimmed down version of a HTTP server. Currently, it can display static HTML pages. Here is an example of how it displays a static HTML page: char *text="HTTP/1.0 ...
12
votes
2answers
1k views

Functional Programming For Embedded Software [closed]

I was discussing F# and Functional Programming with a friend last night and he brought up an interesting question to me. How would you do embedded software in functional? I mean this seems like a ...
1
vote
1answer
110 views

validating APIs

We have a series of hardware and we have decided on a common API to be given to the customer for use. The customer will use this API in order to program the hardware. The API includes functions for ...
7
votes
1answer
183 views

What are the absolute, minimum requirement for containing SE Asian charsets for an embedded system project?

I work for a company that has begun integrating embedded computer systems into our products that we manufacture. We have a pretty wide range of products and they are distributed across the globe. ...
8
votes
9answers
2k views

Mission critical embedded language [closed]

Maybe the question sounds a bit strange, so I'll explain a the background a little bit. Currently I'm working on a project at y university, which will be a complete on-board software for an ...
11
votes
6answers
2k views

What should an embedded developer know on day one? [closed]

I have a number of years of experience in C++ development, and I'm about to become a full time embedded programmer. But, as I draw closer to my start day, I'm becoming more nervous; it appears ...
2
votes
1answer
880 views

How can I develop a Package Manager for Embedded Systems?

I need to develop/use a package manager for an embedded Linux system with the following properties: A master fully controls which packages need to be installed (the slave has no possibility to ask ...