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Re: [Avr-eclipse-user] What versions of eclipse/cdt are known to work with AVREclipse?
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From: Steve J. <st...@is...> - 2010-10-10 08:03:53
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Hi Thomas,
On Ganymede (which works), I enter the Debug perspective and halt on main(). The console views(s)
for the debug session are empty.
Using the same eclipse workspace and project, If I try the same on Helios I just stay in the C/C++
perspective. The console view for "C/C++ Attach to Application gdb traces" contains the following:
315,583 1-environment-cd D:/ubuntu/contiki/eclipse/world
315,598 1^done
315,598 (gdb)
315,598 2-file-exec-and-symbols D:/ubuntu/contiki/eclipse/world/Debug/world.elf
315,614 2^done
315,614 (gdb)
315,614 3-gdb-set auto-solib-add on
315,629 3^done
315,629 (gdb)
315,661 4-environment-directory D:/ubuntu/contiki/eclipse/world D:/ubuntu/contiki/eclipse/world/.set\
tings D:/ubuntu/contiki/eclipse/world/Debug D:/ubuntu/contiki/eclipse/world/Debug/src D:/ubuntu/cont\
iki/eclipse/world/src
315,676 4^done,source-path="D:/ubuntu/contiki/eclipse/world;D:/ubuntu/contiki/eclipse/world/.setting\
s;D:/ubuntu/contiki/eclipse/world/Debug;D:/ubuntu/contiki/eclipse/world/Debug/src;D:/ubuntu/contiki/\
eclipse/world/src;$cdir;$cwd"
315,676 (gdb)
315,676 5-target-select extended-remote localhost:4242
316,706 5^connected,thread-id="0",frame={addr="0x00000000",func="__vectors",args=[]}
316,706 (gdb)
I know switching between eclipse versions on the same workspace is not a good idea but I originally
started with Helios. When that failed I want back to Ganymede and it worked.
I'm not sure which of the debug launch configurations it is best to use. I've been using "C/C++
Attach to Application". The "GDB Hardware Debugging" configuration is not in the standard Helios/CDT
download, see:
http://download.eclipse.org/tools/cdt/releases/helios/
I also have Ubuntu 10.4 running under VMWare on the same PC. Would it be better to use that as my
base system instead of Windows?
Anyway, now that I know it should be work on Helios I'll persevere a while longer though any
suggestions would be most welcome.
Cheers, Steve.
On 09/10/2010 21:47, Thomas Holland wrote:
> Hi Steve,
>
> so far I haven't had any problems with debugging on any Eclipse Version
> up to and including Helios.
> Could you post the console output of avr-gdb and of avarice to see what
> is going on? You can use the little icon that looks like a computer
> screen on the top right of the 'Console' view to switch between the
> different consoles.
>
> Also debugging with avarice and AVR processors is generally slow, AFAIK
> due to inefficient protocols (reverse engineered because Atmel has not
> released the MK2 communication protocol). This is aggravated by Eclipse
> as it tries to read all AVR registers after each step.
> However 5 seconds per step seems rather slow. With my AVRDragon (usually
> connected to an AVR Butterfly for testing) It takes maybe 0,5 to 1 sec
> per step.
>
> Maybe you can increase the JTAG bitrate to improve the speed. Take a
> look at the '--jtag-bitrate' option of avarice any see if it helps.
> Another thing to improve single stepping is to change to 'Instruction
> step mode'. Instead of single stepping the C source this mode will step
> single assembler instructions, which is usually faster. IIRC this is
> activated by clicking on the little 'I' Icon next to the 'Step in',
> 'Step over' and 'Step out' icons.
>
> Cheers,
>
> Thomas
>
>
> On 08.10.2010 14:43, Steve Jones wrote:
>> Hi,
>>
>> I'm cannot get debugging to work with more recent versions of eclipse than 3.4 (Ganymede).
>>
>> I'm using an ATMEL/AVR JTAG MK2 on windows with WinAVR-20100110. Even on Ganymede single stepping is
>> very slow (5 seconds per step).
>>
>> On eclipse 3.5 and 3.6 hardware debugging fails to start on both. I can download using AVRDude OK.
>> WinAVR/avr-gdb starts up and acknowledges a connection but eclipse fails to enter the debug perspective.
>>
>> Are there known issues with later versions of eclipse or am I doing something wrong?
>>
>> Thank, Steve.
>>
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>
>
> ------------------------------------------------------------------------------
> Beautiful is writing same markup. Internet Explorer 9 supports
> standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2& L3.
> Spend less time writing and rewriting code and more time creating great
> experiences on the web. Be a part of the beta today.
> http://p.sf.net/sfu/beautyoftheweb
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