GSOC'16 project update - RTEMS LwIP integration

[Gedare Bloom]

On Tue, May 31, 2016 at 7:46 PM, Pavel Pisa <ppisa4lists at pikron.com> wrote:
> Hello Sai Charan Sane and others,
>
> I have included mainline lwIP as a submodule in src/lwip
> of your repository. Then I have filterred our lwip-omk
>   https://sourceforge.net/p/ulan/lwip-omk/ci/master/tree/
> repository commits to include only ports commits there.
> I have moved our ports to src/ports subdirectory of your
> respository.
>
>   https://github.com/sacha23/lwip-rtems-support
>
> The TMS570 port and RTEMS OS adaptation should be
> of main interrest to you now.
>
>   lwip-rtems-support/src/ports/driver/tms570_emac
>   lwip-rtems-support/src/ports/os/rtems
>
Habeeb may also like to note this, he plans eventually to add the tm4c129.

> The NXP LPC drivers has been used only in systemless
> setup till now because RTEMS includes LPC driver
> for classic stack. But I want to test lwIP with LPC
> driver under RTEMS some day as well.
>
> Critical is to have equivalent of config system to
> provide defines to include right C files, copy out right
> headers and build configuration header file.
>
Maybe something like what has been done for the rtems-config project,
or to use waf with some extra python as needed? Amar/Chris: is this
anything you could/would support?

> Our actual setup is based on OMK - https://rtime.felk.cvut.cz/omk/
>
> The OMK files which are part of our port directory are included
> in the lwip-rtems-support repository for now even (pass the filter).
>
>   https://sourceforge.net/p/ulan/lwip-omk/ci/master/tree/ports/os/lwipopts.h
>   https://sourceforge.net/p/ulan/lwip-omk/ci/master/tree/ports/os/Makefile.omk
>        this one is responsible for generation of lwipconfig.h header file
>   there are more of OMk files for other directories
>
> But make rules and these receipts responsible for actual lwIP library
> build are missing for now. Original there
>
>   https://sourceforge.net/p/ulan/lwip-omk/ci/master/tree/Makefile.omk
>   https://sourceforge.net/p/ulan/lwip-omk/ci/master/tree/Makefile.omk_include
>
> It is necessary to decide which make system should be used.
> I can try to adapt OMK lwIP rules to work with this new setup
> to move project forward for now. But if some other mechanism how
> to setup options, conditionalize list of build C files and options
> for headers files is suggested/prepared then we can jump
> directly to that solution.
> Best wishes,
>
>                Pavel
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