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Merge branch 'feature/docs_updating_idf' into 'master' 

Added a section how to update existing local esp-idf repository and load specifi…

See merge request !1273
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Angus Gratton 2017-09-26 10:34:38 +08:00
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docs/get-started/index.rst
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@ -284,6 +284,34 @@ Several lines below, after start up and diagnostic log, you should see "Hello wo
To exit monitor use shortcut ``Ctrl+]``. To execute ``make flash`` and ``make monitor`` in one shoot type ``make flash monitor``. Check section :doc:`IDF Monitor <idf-monitor>` for handy shortcuts and more details on using this application.
That's all what you need to get started with ESP32!
Now you are ready to try some other :idf:`examples`, or go right to developing your own applications.
Updating ESP-IDF
================
After some time of using ESP-IDF, you may want to update it to take advantage of new features or bug fixes. The simplest way to do so is by deleting existing ``esp-idf`` folder and cloning it again, exactly as when doing initial installation described in sections :ref:`get-started-get-esp-idf`.
Another solution is to update only what has changed. This method is useful if you have slow connection to the GiHub. To do the update run the following commands::
cd ~/esp/esp-idf
git pull
git submodule update --init --recursive
The ``git pull`` command is fetching and merging changes from ESP-IDF repository on GitHub. Then ``git submodule update --init --recursive`` is updating existing submodules or getting a fresh copy of new ones. On GitHub the submodules are represented as links to other repositories and require this additional command to get them onto your PC.
If you would like to use specific release of ESP-IDF, e.g. `v2.1`, run::
cd ~/esp
git clone https://github.com/espressif/esp-idf.git esp-idf-v2.1
cd esp-idf-v2.1/
git checkout v2.1
git submodule update --init --recursive
After that remember to :doc:`add-idf_path-to-profile`, so the toolchain scripts know where to find the ESP-IDF in it's release specific location.
Related Documents
=================