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This change replaces direct links to GitHub master branch with auto-generated links using docutils custom roles. These auto-generated links point to the tree or blob for the git commit ID (or tag) of the repository. This is needed to ensure that links don’t become broken when files in master branch are moved around or deleted. The following roles are introduced: - :idf:`path` - points to directory inside ESP-IDF - :idf_blob:`path` - points to file inside ESP-IDF - :idf_raw:`path` - points to raw view of the file inside ESP-IDF - :component:`path` - points to directory inside ESP-IDF components dir - :component_blob:`path` - points to file inside ESP-IDF components dir - :component_raw:`path` - points to raw view of the file inside ESP-IDF components dir - :example:`path` - points to directory inside ESP-IDF examples dir - :example_blob:`path` - points to file inside ESP-IDF examples dir - :example_raw:`path` - points to raw view of the file inside ESP-IDF examples dir A check is added to the CI build script, which searches RST files for presence of hard-coded links (identified by tree/master, blob/master, or raw/master part of the URL). This check can be run manually: cd docs && make gh-linkcheck Additionally, Sphinx linkcheck build type is used to create new CI test, which check for broken links. This test has to be triggered explicitly, because including it in normal build process (when the commit is not yet deployed to Github) will not work. It can be triggered in a regular fashion using a combination of cron and Curl, similar to stress tests.
64 lines
2.6 KiB
ReStructuredText
64 lines
2.6 KiB
ReStructuredText
Build and Flash with Make
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=========================
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Finding a project
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-----------------
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As well as the `esp-idf-template <https://github.com/espressif/esp-idf-template>`_ project mentioned in the setup guide, ESP-IDF comes with some example projects on github in the :idf:`examples` directory.
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Once you've found the project you want to work with, change to its directory and you can configure and build it:
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Configuring your project
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------------------------
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`make menuconfig`
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Compiling your project
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----------------------
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`make all`
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... will compile app, bootloader and generate a partition table based on the config.
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Flashing your project
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---------------------
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When `make all` finishes, it will print a command line to use esptool.py to flash the chip. However you can also do this from make by running:
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`make flash`
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This will flash the entire project (app, bootloader and partition table) to a new chip. The settings for serial port flashing can be configured with `make menuconfig`.
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You don't need to run `make all` before running `make flash`, `make flash` will automatically rebuild anything which needs it.
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Compiling & Flashing Just the App
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---------------------------------
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After the initial flash, you may just want to build and flash just your app, not the bootloader and partition table:
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* `make app` - build just the app.
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* `make app-flash` - flash just the app.
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`make app-flash` will automatically rebuild the app if it needs it.
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(There's no downside to reflashing the bootloader and partition table each time, if they haven't changed.)
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The Partition Table
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-------------------
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Once you've compiled your project, the "build" directory will contain a binary file with a name like "my_app.bin". This is an ESP32 image binary that can be loaded by the bootloader.
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A single ESP32's flash can contain multiple apps, as well as many different kinds of data (calibration data, filesystems, parameter storage, etc). For this reason a partition table is flashed to offset 0x4000 in the flash.
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Each entry in the partition table has a name (label), type (app, data, or something else), subtype and the offset in flash where the partition is loaded.
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The simplest way to use the partition table is to `make menuconfig` and choose one of the simple predefined partition tables:
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* "Single factory app, no OTA"
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* "Factory app, two OTA definitions"
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In both cases the factory app is flashed at offset 0x10000. If you `make partition_table` then it will print a summary of the partition table.
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For more details about :doc:`partition tables <partition-tables>` and how to create custom variations, view the :doc:`documentation <partition-tables>`.
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