Is there a documentation to follow on this subject?
I wonder if I need to go to download Ubuntu and install it on a Virtual Box or if I can just skip that time wasting process and compile directly on Windows.
Has anyone tried compiling with Visual Studio or with some other tool?
Check out
https://github.com/saary/node.net
and an example based on it #
https://github.com/gfosco/tsqlftw
Related
since last week I'm working with the "Armadillo" C++-library.
I started with a default 64-bit C++ application in Microsoft Visual Studio. For the installation I followed the steps in the post below:
How can I install Armadillo on Windows?
Following these steps, everything worked fine for me.
But now I have to expand my C++-application and have to include/integrate another .dll. The problem for me is, that this .dll is a 32 bit .dll. So when I try to call it in my 64-bit application, which uses the Armadillo library, I always get the "class not registered"-error. This is why I want to migrate my whole project into a x86-application. But for some reason I'm not able to migrate the Armadillo-library into this x86-application (Following the instructions in the link above doesnt works anymore). While building the programm I always get more than 50 "LNK2019" errors.
Does anyone know how to fix the problem and know who to integrate Armadillo into a 32-bit application?
Thanks for your help!!
Solved it.
For me it works with replacing the x64-bit "libopenblas.lib" and "libopenblas.dll", which are installed from Armadillo by default, with the x86 "libopenblas.lib" and "libopenblas.dll", which are included in the "OpenBLAS-0.3.15-x86.zip" download file from the OpenBlas release page on GitHub:
https://github.com/xianyi/OpenBLAS/releases
Probably it is enough to only replace the "libopenblas.lib" file.
I want to create an MP3 player on my Raspberry Pi (OS: Raspbian). The problem is, that i don't have any experience with Linux programming, and I'm having a huge problem with project configuration, becouse of cross platform compiling. I want to add two liblaries:
mpg123
libao
I'm able to compile the code on linux machine with gcc -O2 test.cpp -lmpg123, but I can't force Visual Studio to make see those libs.
I'm also having a problem with using wiringPi lib while I'm trying to remote debugging my program, since I have to run it as root for GPIO configuration. Is there any way for any way to force Visual Studio to run my compiled code with root privilages?
Personally I come from a long history of C/C++/MFC/Windows programming with no Linux experience at all. I started programming for the Raspberry a year or so ago, when I got one from my son for my birthday. With a C/C++ history it's really not that hard, but you just have to read in a bit because on Linux a lot is the same, and a lot isn't :). Just read and read and in time, you're an experienced Linux programmer! It takes some time I'm afraid.
So, I'm sort of an experienced newbie on this I think :). I found a lot of info on www.die.net (and other Linux man pages). If you search there for a function, say printf(), look at the (3) pages - they explain how you should use 'm.
But although VS2017 does a really good job on this, it's not always going as smooth as you would like. Sometimes it's just necessary to reboot your Raspberry, restart VS and try again. The Linux cross-compiling is quite new in VS and isn't perfect yet.
A few tips:
Use a Raspberry with a fresh Stretch image to start with. Of course after a sudo apt-get update && sudo apt-get -y upgrade.
Set the debugger in Visual Studio to gdb instead of gdbserver. This will prevent certain debugging problems.
Place all your source files (.h and .cpp) in the main folder of your project alongside the main.cpp. If you place them in different directories and then include in your project, you can debug your program but you won't be able to step through.
Start simple and debug your program often when you're developing. Don't add too much code before your next check. In a cross-compile setup there are just a lot more things than normal that can (and will) go wrong.
VS2017 has default Linux include files in C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\Linux\include. If you need others, place them in a folder of you own and include the path.
With cross-compiling VS itself doesn't do any compiling, you use it to maintain your project. When the project has to be compiled, all necessary files are copied to the Raspberry and the compiler and linker there are invoked by VS.
On your question how to configure a project for remote debugging: it's probably best to start with the Blink example in Visual Studio 2017 (File, New, Project, Installed, Visual C++, Cross Platform, Linux => Blink). It should run without problems. From there, you can build further on your project.
In the Blink example, they use wiringPiSetupSys() and the remote command gpio export 17 out to run your program without sudo. I've found that changing that to wiringPiSetup() and disabling the remote command, it still is possible to run and debug the program. On the Raspberry I can run the program from it's folder by issuing ./[programname]. If that doesn't work for you, you could run the program by issuing sudo ./[programname].
I'm trying to start a work in vscode , latest C++ plugin version supports ms debugger, so as I'm mostly working under windows it was a signal to try this.
c++ tools plugin from MS and cmake tools were installed.
my test project was however not built . the problem is clear , but I need an advice from experienced vscode users how to solve this right.
cmake doesn't see vc compiler.
(after using QtCreator) I expected that vscode could detect vc installation... however that's not so. ok, I have a two ways:
fill environment variables INCLUDE/LIB/PATH with a headers, libs and binaries
just run vcvarsall.bat x64
Second way is a simple and reliable. so final question is:
how to run .bat at the begining of vscode start?
(I don't mean write another bat/cmd, prepare the environment and run vscode inside the same script after that)
Although the question is fairly old, I'll try to give a useful answer, in case others stumble across, just like I did.
I believe what you are trying to achieve is not possible. Code inherits the environment it was started with. If you did not launch it from a developer command prompt, you will not be able build and debug. (Building might be possible if every task first starts the vcvarsall.bat, but that slows things down by a lot. Debugging I think will still not work.)
If you are willing to, you can check out vector-of-bools CMake Tools extension which does build automation as well as automatic MSVC detection. It builds using CMake (thus you need to write your build scripts using CMake), but it will take care of building just by pressing F7, like what most VS users are familiar with.
I've looked for an answer during a few days and I haven't found anything similar anywhere;
I downloaded Qt from the official website, installed it and apparently compiling is fine. But whenever I try to execute (Ctrl+R) any app, even the basic one which only displays a window or widget, QtCreator itself crashes. No error message, nothing, just crashing.
I've tried to redownload and reinstall it a few times with different settings, but nothing will do.
I'm running QtCreator on Windows 7 64 bits. I'll try on my laptop which is also running windows and will update if I find anything.
Any help would be appreciated, I need to start a project as soon as possible. I'm relatively new to QT and if you need info on anything just ask me. Thanks :)
Use dependency walker, http://www.dependencywalker.com/
and post any missing dependencies. It is possible some install targets or options are missing from when you installed QtCreator, which can be resolved with the maintenance tool in the same directory you installed Qt.
Also, are you using the Visual Studio compiler(must have Visual Studio installed separately, and mark the option during install), or the Ming compiler(2 options checked during install or maintenance)?
Check if your antivirus is locking it, I had a similar issue time ago and it was due to antivirus (Avast specifically). Disable antivirus' realtime shields and try to execute a basic app.
It is necessary to use QtCreator? I use QtDesigner snd VS2013 and things go very well. :)
check this thread Qt Creator Plain C++ Project won't run/debug... and this C++ - QtCreator doesn't show any output
I just don't seem to be able to get OpenCV to work properly. Here's what I want to accomplish:
Use CodeBlocks (which I installed using codeblocks-10.05mingw-setup.exe) with OpenCV (installer: OpenCV-2.4.2.exe) on my Windows x64.
I've tried a lot of different configurations which will only bother you if I posted them all, so I hope you don't mind if I just ask the simple question: how do I get this to work?
I think I'm missing the smallest detail right now, so a detailed description of how to get started would be welcome.
If the OpenCV installer did the job, you should have by now OpenCV libraries and headers already installed in your system.
I would then go ahead and try to compile a hello world basic code, like the one you can get from here. If you would like to program using an IDE, like VisualC++ in Windows, you can follow this guide that will help you setting up the environment.
OpenCV team just introduced their new web site. There you can find Introduction to OpenCV section with installation instructions, including detailed instructions for Windows. Don't forget to cleanup your system before installation to avoid problems with mixing different install options. If you still can't get it working with CodeBlocks, follow Dan's advice and try compiling from command line.
When you are done with installation, go on and read there great new tutorials!