Add .mbedignore file, exclude test code from mbed OS firmware.

[nuket]

Without this .mbedignore file, the bulk of the ArduinoJson test/* code gets pulled into the mbed OS build process, which causes the final firmware to be too large for the target processor, since most off-the-shelf embedded processors have somewhere between 128 - 256KB of flash.

When running mbed compile without this file, the linker errors out unhappily:

./mbed-os/hal/targets/cmsis/TARGET_NORDIC/TARGET_NRF5/TARGET_MCU_NRF51822_UNIFIED/TOOLCHAIN_GCC_ARM/TARGET_MCU_NORDIC_32K/NRF51822.ld:142 cannot move location counter backwards (from 0000000020007fe0 to 0000000020007800)
collect2: error: ld returned 1 exit status
[ERROR] ./mbed-os/hal/targets/cmsis/TARGET_NORDIC/TARGET_NRF5/TARGET_MCU_NRF51822_UNIFIED/TOOLCHAIN_GCC_ARM/TARGET_MCU_NORDIC_32K/NRF51822.ld:142 cannot move location counter backwards (from 0000000020007fe0 to 0000000020007800)
collect2: error: ld returned 1 exit status

With the .mbedignore file, everything is fine.

I also reported this issue as - ARMmbed/mbed-os#2467

[coveralls]

Changes Unknown when pulling 4209561 on nuket:master into * on bblanchon:master*.

[bblanchon]

Hi Max,

Thank you very much for this contribution 👍

I think that this file should be in the root folder, along with .gitignore.

Also, I think you should also add other folders:

/.github/
/scripts/
/tests/
/third-party/

And probably unwanted files in the root folder.

Would that work?

Regards,
Benoit

[bblanchon]

@nuket Did you see my message above?

[nuket]

Yes, I will try this out.

On August 23, 2016 15:04:49 Benoît Blanchon notifications@github.com wrote:

@nuket Did you see my message above?

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#334 (comment)

[nuket]

Ok, I've added the folders above, looks good.

[coveralls]

Changes Unknown when pulling fcb8454 on nuket:master into * on bblanchon:master*.

[bblanchon]

Manually merged in a7ef99d