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 Posted: Mar 04, 2011 - 07:34 PM |
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Joined: Jun 02, 2009
Posts: 27
Location: British Columbia, Canada.
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Anyone managed to compile C++ code from Studio 5?
The only way I could find to do so was to rename avr-g++.exe to avr-gcc.exe in "C:\Program Files\Atmel\AVR Studio 5.0\extensions\Application\AVR Toolchain\bin"
Seems like a crappy solution but does work. The other issue is the Studio 5 IDE doesn't by default recognise .CPP files as source files.
Ian. |
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Posted: Mar 04, 2011 - 09:12 PM |
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Joined: Jan 14, 2008
Posts: 1148
Location: San Diego
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| Instead, just add -x c++ to the command line. |
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~~John
TWI C source code
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Posted: Mar 04, 2011 - 09:39 PM |
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Joined: Jun 02, 2009
Posts: 27
Location: British Columbia, Canada.
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Thanks John, I gave it a go and it works fine 
I had tried the -x option without knowing the "c++" bit needed to be included. Doh! Stupid brain! Or maybe that should be "stupid documentation" 
Ian. |
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Posted: Mar 05, 2011 - 01:40 AM |
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Joined: Feb 28, 2010
Posts: 153
Location: Jacksonville, FL
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| John thanks for the tip, I noticed though that the files need to keep the .c extension if you change to .cpp it doesn't pick them up. i.e. Makefile does not contain an entry for the ones with .cpp extension.? |
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Mike
http://www.JaxCoder.com
WinHeist - Windows Electronic Inventory SysTem.
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Posted: Mar 05, 2011 - 01:53 AM |
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Joined: Jan 14, 2008
Posts: 1148
Location: San Diego
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mike32217 wrote:
John thanks for the tip, I noticed though that the files need to keep the .c extension if you change to .cpp it doesn't pick them up. i.e. Makefile does not contain an entry for the ones with .cpp extension.?
Yeah, I noticed the same thing and had to change my original files from .cpp/.hpp to .c/.h. |
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~~John
TWI C source code
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Posted: Mar 05, 2011 - 02:09 AM |
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Joined: Feb 28, 2010
Posts: 153
Location: Jacksonville, FL
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Well since it's Beta they still have a lot of work to do so maybe they will address that?
Since device memory is increasing exponentially you would think that C++ would be an option. |
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Mike
http://www.JaxCoder.com
WinHeist - Windows Electronic Inventory SysTem.
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Posted: Mar 05, 2011 - 03:22 AM |
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Joined: Jan 14, 2008
Posts: 1148
Location: San Diego
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mike32217 wrote:
Well since it's Beta they still have a lot of work to do so maybe they will address that?
Yeah it's a beta release, but it still seems a little suspect to me. One of the plus's for choosing to develop an IDE using VS is components like syntax highlighting/parsing are already done. So I wonder why they disabled it for c++. |
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~~John
TWI C source code
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Posted: Mar 05, 2011 - 03:25 AM |
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Joined: Feb 28, 2010
Posts: 153
Location: Jacksonville, FL
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| Looks like we need another sticky "Things we want for the final release wish list". |
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Mike
http://www.JaxCoder.com
WinHeist - Windows Electronic Inventory SysTem.
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Posted: Mar 13, 2011 - 08:28 AM |
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Joined: Feb 08, 2011
Posts: 5
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When using 32bit framework drivers, there are still a lot of issues when using -x c++. (I know this is the 8 bit section, but the 32bits section does not have a studio 5 forum)
The software framework is written in C, not C++. So when using -x c++ the compiler will not be able to distinguish between C and C++. You going to have to add a lot of extern "C" {} blocks. And for some statements you are going to get error messages like this:
invalid conversion from 'void*' to 'const volatile uint8_t*'
They can be resolved like this:
static_cast<const volatile uint8_t*>(value)
I also got an error in intc.c on this line:
// define _evba from exception.S
extern void _evba;
Things get from bad to worse when you include <string> and start using them.
So unless you are good at creating external make files, I recommend waiting for the final version of studio 5 if you are using C++.
What I did do in the end, is selecting all the drivers and services I need in studio 5, then I copied the entire asf directory (except avr32\utils\start) to my studio 2.7 and fixed all the includes. |
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Posted: Mar 18, 2011 - 06:14 PM |
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Joined: Mar 02, 2010
Posts: 103
Location: Firenze, Italy
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spostma wrote:
When using 32bit framework drivers, there are still a lot of issues when using -x c++.
One year ago I worked on a C++ project for an UC3A using AVR32 Studio.
It was a real nightmare because, apart from the fact that framework is in C, the support for C++ was almost non-existent in the Studio.
So no wonder there are so many issues with version 5. Atmel seems to still ignore C++ as a programming language for MPUs, after all.
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Posted: Mar 23, 2011 - 01:14 PM |
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Joined: Mar 02, 2010
Posts: 103
Location: Firenze, Italy
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Well, I've done some experiments with an existing XMega/C++ project.
Apart some tweaking in the configuration file and the need to change extensions from .cc to .c everything worked fine. Flash programming seems somewhat faster, and honestly I prefer this Visual Studio-like interface over Eclipse.
Too bad the integration with CVS that was present on Avr32 Studio is missing here |
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Posted: Mar 23, 2011 - 01:23 PM |
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Joined: Feb 28, 2010
Posts: 153
Location: Jacksonville, FL
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| Give it time someone will come up with it. Have you tried SVN? I've been using AnkhSVN extension for a couple of years now and it integrates with Visual Studio nicely. |
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Mike
http://www.JaxCoder.com
WinHeist - Windows Electronic Inventory SysTem.
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Posted: Mar 23, 2011 - 04:07 PM |
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Joined: Mar 02, 2010
Posts: 103
Location: Firenze, Italy
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Hey, thanks for the suggestion!
Yes, my provider allows me to create both CVS and SVN repositories. So I just installed Ankh from the tools->extension manager menu.
I'll need some time to get started with it, but my problem seems solved |
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