C++ Help

Tar.Aldarion

Hi, I am trying to edit a program that i was given by a company, for a college project. It is a .exe that reads data from a usb device to a console. I don't know any C++ really but that shouldn't be a problem. My problem is setting up the project. If it won't build at the start I can hardly start editing it.

I go to create project from existing code and add in all the files by browsing for the directory. When I try to build the program I get an error.

---

Build started: Project: as, Configuration: Debug Win32

---

Compiling...
Rges.c
d:\project\one\pcdevelopment\programsample\rges\rges.c(18) : fatal error C1083: Cannot open include file: 'MfRc500.h': No such file or directory
Build log was saved at "file://d:\Project\one\PCDevelopment\ProgramSample\Rges\Debug\BuildLog.htm"
as - 1 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

Now, MfRc500.h is clearly a file and it is in the project, I can view it. If I comment out the #include MfRc500.hit says the next header file does not exist, and so on.
Anybody know how I can fix this?

Thanks,

--
Tar

Armin_Tamzarian

What directory is the header file (.h) in?
Is it in the same directory as the source file (.cpp) that you are compiling?

Try using #include <xxx.h> if the file is a standard library that came with the compiler
or #include "xxx.h" if the file is in the same directory as the source file.

Tar.Aldarion

It is here: \Project\one\PCDevelopment\ProgramSample\Rges which is the same directory.

Armin_Tamzarian

Is the header file included using the line #include "MfRc500.h"?

I noticed as well that the file you are trying to compile is .c as opposed to .cpp.
I.e. your comiling a C program not C++.

Tar.Aldarion

Here is what it looks like at the moment, after I add the directory to the project, the .lib files, .dll files and .exe file are not included in the project, I do nt know if I have to right click on them and include them or leave them excluded. I think they should be excluded?

It is included by the line #include <MfRc500.h>

Armin_Tamzarian

Well if MFrc.h is part of your project and isn't a system file then I'd
include it as "MfRc500.h" instead of <MfRc500.h>.

Tar.Aldarion

Thank you, for each header fill I keep changing <> to "". That seem to stop it saing the file did not exist.
I then tried to compile main.cpp again and it said that windows.h did not exist. this is a header inside MfRc500.h

// General Include File for serveral defines concerning conditional library
// compilation and microcontroller usage
#include "windows.h"

This windows.h does not exist in any project folder, is it from windows itself?


EDIT: Found this, that could be the cause maybe?
I am using express, maybe I should get something else?
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1760350&SiteID=1

TouchingVirus

When you include files like this

#include "myheader.h"

Then myheader.h should be in the same directory as the source code. If it's not then there will be a compiling problem.

If there is no windows.h in your source code directory then you can either find a copy and put in in there, or the chances are if you change the line to read

#include <windows.h>

it will work - since windows.h exists in Visual Studios includes/libraries.

Tar.Aldarion

TouchingVirus wrote: »

If there is no windows.h in your source code directory then you can either find a copy and put in in there, or the chances are if you change the line to read

#include <windows.h>

it will work - since windows.h exists in Visual Studios includes/libraries.

Apparently the windows.h does not exist in Visual C++ express edition and I have to do a work around. Maybe I should use a different compiler?

Any suggestions for a good one?

Armin_Tamzarian

As a previous poster said.
System libraries (libraries that come with the compiler) such as iostream.h, fstream.h, etc. need to be included like this <iostream.h>.
Libraries you add yourself such as say dog_cat.h you should include as "dog_cat.h".

RE windows.h, try downloading the windows SDK for Visual Studio from here
http://www.microsoft.com/downloads/details.aspx?FamilyId=0BAF2B35-C656-4969-ACE8-E4C0C0716ADB&displaylang=en

Tar.Aldarion

I'm trying to get the xp verion atm, that is for 2003. Downloading atm.
I know about the difference between "" and <> now thanks.

TouchingVirus

Tar.Aldarion wrote: »

I'm trying to get the xp verion atm, that is for 2003. Downloading atm.
I know about the difference between "" and <> now thanks.

Ahh, my mistake, I didn't see the express bit Grabbing the Windows SDK should do the trick

Also from the above webpage that Armin Tamzarian linked :

The Microsoft ® Windows® Software Development Kit (SDK) provides the documentation, samples, header files, libraries, and tools you need to develop applications that run on Windows. The applications you develop with this edition of the SDK can run on the x86, x64 and Itanium-based versions of Windows Server 2003, Windows Server 2003 R2, Windows XP SP2, Windows XP x64 Pro Edition, and Windows 2000. The Web install allows you to select components you wish to install on a more granular level

Tar.Aldarion

Thanks guys, I got the SDK, copied over what was needed. I still had errors but I have them fixed thanks to grasshoppa

Armin_Tamzarian

Tar.Aldarion wrote: »

Thanks guys, I got the SDK, copied over what was needed. I still had errors but I have them fixed thanks to grasshoppa

Nice one, glad you got it working.

Tar.Aldarion

Thanks.