Re: [ECOS] how to booting the redboot on VMware

["xiaolu zhao" <deerxiaolu@gmail.com>]

Thank you all so much!!

On 5/24/07, Gary Thomas <gary@mlbassoc.com> wrote:
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> xiaolu zhao wrote:
> > Thank you for your anwser.
> >
> > Maybe I will ask a silly question. In a normal C program, the
> > execution of the program start from the beginning of the main
> > function. In the folder  "\packages\kernel\v2_0\tests" i saw there are
> > some test files. ( I don't know if all these files can be used as
> > individual application examples ?). In these files, I can not see the
> > main( ) functions. They only have cyg_start( ). So I am confused where
> > the application program start from, if they have no main( ) functions.
> > And who invoke the cyg_start( )function?
> >
> > Can you help me with these questions? Thank you so much!!
>
> The eCos documentation is your friend - all of this is explained there.
>  http://ecos.sourceware.org/docs-latest/
>
> eCos provides very complete control over how the application starts.
> cyg_start() is the actual starting point for application code.  It
> normally calls cyg_user_start(), then starts the scheduler.  The default
> version of cyg_user_start() will create a thread environment for running
> 'main()'.
>
> Look at the examples to see different ways of handling this.  Having
> your application start as 'main()' is the simplest, but certainly not
> the only choice.
>
> Also, eCos 2.0 is terribly old.  Given that you are just starting out,
> it would be wise to work with the latest (CVS) code.
>  http://ecos.sourceware.org/anoncvs.html
>
> >
> > On 5/23/07, jiang jet <jetjiang@hotmail.com> wrote:
> >>
> >>
> >>
> >> >From: "xiaolu zhao" <deerxiaolu@gmail.com>
> >> >To: "jiang jet" <jetjiang@hotmail.com>
> >> >CC: ecos-discuss@ecos.sourceware.org
> >> >Subject: Re: [ECOS] how to booting the redboot on VMware
> >> >Date: Tue, 22 May 2007 22:58:17 +0200
> >> >
> >> >Thank you for your advice.  Currently I used a software which can
> >> >provide virtual serial port. Thus the Host can communicate with
> >> >VMware
> >> >and I can run the hello world on the virtual machine through the
> >> >serial port.
> >> >
> >> welcome
> >> >Can I ask you one more question?
> >> >
> >> >Because I just start to learn the software development on a RTOS, so
> >> >I
> >> >have no idea about what is the application software on a RTOS looks
> >> >like. I only have some experience  in embedded software development
> >> >without a RTOS. Do you know where I can find some application
> >> >example
> >> >on eCos or any other RTOS(more complicated than the examples in the
> >> >ecos source code)?
> >> >
> >> in ecos there is no very strict distinction between app and
> >> kernel...actually the distinction between os and app in embedded
> >> system is
> >> not as obivious as in other enviorment
> >> I don't know what kind of app you are looking for, maybe minigui is a
> >> good
> >> choice for u , however, i think ecos itself is really worth studying
> >> intensively
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >On 5/21/07, jiang jet <jetjiang@hotmail.com> wrote:
> >> >>
> >> >>
> >> >>
> >> >> >From: "xiaolu zhao" <deerxiaolu@gmail.com>
> >> >> >To: ecos-discuss@ecos.sourceware.org
> >> >> >Subject: [ECOS] how to booting the redboot on VMware
> >> >> >Date: Sun, 20 May 2007 00:24:08 +0200
> >> >> >
> >> >> >Hi,
> >> >> >I want to try the application examples in the 12th chapter of
> >> >> >"Embedded software development with eCOS". I want to use a
> >> >>virtual
> >> >> >machine on VMware software as my target. I already successfully
> >> >> >install redboot in a virtual machine and see the RedBoot prompt.
> >> >> >
> >> >> >But when I try to booting redboot, in the step 10 and 11 which
> >> >>tests
> >> >> >if the host and target connetec well. I found I the host and
> >> >>target
> >> >> >are not connected.
> >> >> >
> >> >>you have boot the system up..could u please post the booting info?
> >> >>or you can check what ur static ip address is?
> >> >>or can u make sure the vmware is connected with host pc correctly?
> >> >>or the ethernet cards that contains a controller supported by ecos?
> >> >> >I used my notebook as the host. And I tried the HyperTerminal on
> >> >>the
> >> >> >host to connect the target. Becuase the notebook has no serail
> >> >>port,
> >> >> >so I choose  TCP/IP instead of serial port. And I use the IP
> >> >>address
> >> >> >of the redboot image as the "host address". But the redboot can
> >> >>not
> >> >> >be
> >> >> >conneted. Is there something wrong of my operation?
> >> >> >
> >> >> >Do you ever meet this problem? And would you like to give some
> >> >> >advice
> >> >> >how to solve it?
> >> >> >
> >> >> >Thank you so much in advance!
>
>
> - --
> - ------------------------------------------------------------
> Gary Thomas                 |  Consulting for the
> MLB Associates              |    Embedded world
> - ------------------------------------------------------------
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