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a917ad9941
Added additional information about where to find the core root directory (often deeply hidden) so users can run board generator
82 lines
2.7 KiB
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82 lines
2.7 KiB
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Board generator
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---------------
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The board generator is a python script originally intended to ease the
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Arduino IDE's `boards.txt` configuration file about the multitude of
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available boards, especially when common parameters have to be updated for
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all of them.
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This script is also used to manage uncommon options that are currently not
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available in the IDE menu.
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- `How can I run the script ? <#how-can-i-run-the-script>`__
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- `What can I do with it ? <#what-can-i-do-with-it>`__
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- `When do I need to update it ? <#when-do-i-need-to-mess-with-it>`__
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- `Why is my pull-request failing continuous-integration ? <#why-is-my-pull-request-failing-continuous-integration>`__
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How can I run the script ?
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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Python needs to be installed on your system.
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The script is located in the ``tools`` subdirectory of the core's root installation.
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It needs to be run from the root directory,
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::
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$ tools/boards.txt.py
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::
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C:\...> tools\boards.txt.py
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C:\...> python tools\boards.txt.py
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Running without parameters will show the command line help. They are
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generally self-explanatory. Running with the parameters will show no output but will generate a new boards.txt file (and a backup boards.txt.orig).
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The core root directory varies depending on your development environment. In Windows, core root is found under your home directory; for Arduino it is in AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.4.2\ for PlatformIO it is in .platformio\packages\framework-arduinoespressif8266.
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What can I do with it ?
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~~~~~~~~~~~~~~~~~~~~~~~
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As of today you can:
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* in the IDE: change the default serial programming speed of any board
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* in the IDE: add new serial programming speed
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* increase available flash space by disabling floats in ``*printf`` functions
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* change led pin ``LED_BUILTIN`` for the two generic boards
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* change the default lwIP version (1.4 or 2)
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When do I need to mess with it ?
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The board generator is used to automate generation of configuration files
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when possible. It needs to be edited for:
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* All information for specific boards. This is the only place where a new
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board (definition, description) can be updated or added to the existing
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list.
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* Memory mapping for ldscripts (flash and spiffs size combinations)
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Why is my pull-request failing continuous-integration ?
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The generator is able to update a number of files (see list in help), and
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global coherency can be checked by the continuous integration facilities.
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After a modification in the generator, it is **mandatory** to regenerate all
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files (option ``--allgen``) and add them in the pull-request.
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`FAQ list :back: <readme.rst>`__
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