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RE: RE: Re: eCos on Evaluator-7T
- From: Sheri2000S at netscape dot net
- To: gthomas at redhat dot com
- Cc: ecos-discuss at sources dot redhat dot com
- Date: Tue, 04 Dec 2001 04:56:14 -0500
- Subject: RE: RE: Re: [ECOS] eCos on Evaluator-7T
Thank u all for your help! it solved my problem
Gary
Robin
Bill
Thanks!
Shehryar
Gary Thomas <gthomas@redhat.com> wrote:
>On Mon, 2001-12-03 at 12:09, Sheri2000S@netscape.net wrote:
>> There is probably some misunderstanding on my part as regards to ecos and redboot.
>>
>> so (as I understand)
>>
>> The Redboot.UU has to be put in the Flash ,this is the boot monitor.
>>
>> Now
>>
>> How do I build an application with multiple tasks (utilising the os features like semaphores,delays,mailboxes etc) and run it on the target board i.e Evaluator-7T and debug it.
>>
>> This is probably a very basic question but I am really stuck and would really appriciate help
>>
>
>You already have the answer :-)
>
>Your first configuration quoted below (ecosconfig new e7t redboot) is
>used to create RedBoot. This is based on the 'redboot' template which
>you used. This configuration is only useful for making a RedBoot image,
>since it contains a very minimal HAL and other RedBoot packages. Make
>no mistake though - there will be an eCos kernel [library] generated, it
>just won't have any "kernel" stuff in it, i.e. no threads, scheduler,
>etc.
>
>The second configuration (ecosconfig new e7t) generates an eCos kernel
>using the "default" template which does include a complete
>multi-threading environment. This is the kernel you should be using (or
>a similar one, based on your actual requirements) for any eCos program
>other than RedBoot itself.
>
>Once you configure and build a generic eCos kernel plus your
>application, you use RedBoot to download that program to the target
>board and run it.
>
>> Thanks
>>
>> Shehryar
>>
>> Thanks
>>
>> Gary Thomas <gthomas@redhat.com> wrote:
>>
>> >On Mon, 2001-12-03 at 09:40, Sheri2000S@netscape.net wrote:
>> >> Hi
>> >> I am trying to run eCos on Evaluator-7T. I have the following problem ,if any one knows the solution please let me know
>> >>
>> >> I did the following
>> >>
>> >> ../ecosconfig new e7t redboot
>> >> ../ecosconfig tree
>> >> ../make
>> >>
>> >> Then I changed to the examples directory in the ecos install directory
>> >>
>> >>
>> >> make twothreads
>> >>
>> >> .. I get the following error message
>> >> arm-elf-gcc -mcpu=arm7tdmi -nostartfiles -L/usr/local/bin/temp2/install/lib -Wl,--gc-sections -o twothreads twothreads.o -Ttarget.ld -nostdlib
>> >> /usr/local/bin/temp2/install/lib/libtarget.a(redboot_main.o): In function `do_reset':
>> >> /home/shehryar/ecos/packages/redboot/current/src/main.c:567: undefined reference to `RedBoot_version'
>> >> collect2: ld returned 1 exit status
>> >> make: *** [twothreads] Error 1
>> >>
>> >> if I don't add the redboot option like
>> >>
>> >> ../ecosconfig new e7t
>> >> ../ecosconfig tree
>> >> ../make
>> >>
>> >> and then
>> >>
>> >> make twothreads
>> >>
>> >> I don't get any errors.
>> >>
>> >> If some one has the solution to this plaese let me know
>> >
>> >What's the problem? You should not be building this test code with a
>> >RedBoot configuration, only with a properly configured eCos kernel.
>> >
>> >>
>> >> Best Regards
>> >>
>> >> Shehryar
>> >>
>> >>
>> >> --
>> >>
>> >>
>> >>
>> >>
>> >> __________________________________________________________________
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>> >
>> >
>> >
>> --
>>
>>
>>
>>
>> __________________________________________________________________
>> Your favorite stores, helpful shopping tools and great gift ideas. Experience the convenience of buying online with Shop@Netscape! http://shopnow.netscape.com/
>>
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>
>
>
--
__________________________________________________________________
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