87 lines
2.5 KiB
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87 lines
2.5 KiB
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Standard Setup of Toolchain for Linux
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*************************************
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Install Prerequisites
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=====================
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To compile with ESP-IDF you need to get the following packages:
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- CentOS 7::
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sudo yum install git wget make ncurses-devel flex bison gperf python pyserial
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- Ubuntu and Debian::
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sudo apt-get install git wget make libncurses-dev flex bison gperf python python-serial
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- Arch::
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sudo pacman -S --needed gcc git make ncurses flex bison gperf python2-pyserial
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Toolchain Setup
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===============
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ESP32 toolchain for Linux is available for download from Espressif website:
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- for 64-bit Linux:
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https://dl.espressif.com/dl/xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz
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- for 32-bit Linux:
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https://dl.espressif.com/dl/xtensa-esp32-elf-linux32-1.22.0-61-gab8375a-5.2.0.tar.gz
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Download this file, then extract it in ``~/esp`` directory::
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mkdir -p ~/esp
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cd ~/esp
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tar -xzf ~/Downloads/xtensa-esp32-elf-linux64-1.22.0-61-gab8375a-5.2.0.tar.gz
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.. _setup-linux-toolchain-add-it-to-path:
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The toolchain will be extracted into ``~/esp/xtensa-esp32-elf/`` directory.
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To use it, you will need to update your ``PATH`` environment variable in ``~/.bash_profile`` file. To make ``xtensa-esp32-elf`` available for all terminal sessions, add the following line to your ``~/.bash_profile`` file::
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export PATH=$PATH:$HOME/esp/xtensa-esp32-elf/bin
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Alternatively, you may create an alias for the above command. This way you can get the toolchain only when you need it. To do this, add different line to your ``~/.bash_profile`` file::
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alias get_esp32="export PATH=$PATH:$HOME/esp/xtensa-esp32-elf/bin"
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Then when you need the toolchain you can type ``get_esp32`` on the command line and the toolchain will be added to your ``PATH``.
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Arch Linux Users
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----------------
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To run the precompiled gdb (xtensa-esp32-elf-gdb) in Arch Linux requires ncurses 5, but Arch uses ncurses 6.
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Backwards compatibility libraries are available in AUR_ for native and lib32 configurations:
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- https://aur.archlinux.org/packages/ncurses5-compat-libs/
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- https://aur.archlinux.org/packages/lib32-ncurses5-compat-libs/
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Alternatively, use crosstool-NG to compile a gdb that links against ncurses 6.
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Next Steps
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==========
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To carry on with development environment setup, proceed to section :ref:`get-started-get-esp-idf`.
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Related Documents
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=================
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.. toctree::
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:maxdepth: 1
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linux-setup-scratch
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.. _AUR: https://wiki.archlinux.org/index.php/Arch_User_Repository
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