docs: update toolchain version
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Ivan Grokhotkov
Ivan Grokhotkov
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commit
8d2199e36c
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@ -10,11 +10,11 @@ Install some packages
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To compile with ESP-IDF you need to get the following packages:
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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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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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Step 1: Download binary toolchain for the ESP32
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@ -24,17 +24,17 @@ 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-linux64-1.22.0-59.tar.gz
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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-linux32-1.22.0-59.tar.gz
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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 to the location you prefer, for example::
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mkdir -p ~/esp
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cd ~/esp
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tar -xzf ~/Downloads/xtensa-esp32-elf-linux64-1.22.0-59.tar.gz
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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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The toolchain will be extracted into ``~/esp/xtensa-esp32-elf/`` directory.
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@ -61,12 +61,14 @@ To run the precompiled gdb (xtensa-esp32-elf-gdb) in Arch Linux requires ncurses
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Alternative Step 1: Compile the toolchain from source using crosstool-NG
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========================================================================
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Instead of downloading binary toolchain from Espressif website (Step 1 above) you may build the toolchain yourself.
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Instead of downloading binary toolchain from Espressif website (Step 1 above) you may build the toolchain yourself.
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If you can't think of a reason why you need to build it yourself, then probably it's better to stick with the binary version. However, here are some of the reasons why you might want to compile it from source:
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- if you want to customize toolchain build configuration
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- if you want to use a different GCC version (such as 4.8.5)
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- if you want to hack gcc or newlib or libstdc++
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- if you are curious and/or have time to spare
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@ -79,7 +81,7 @@ In any case, here are the steps to compile the toolchain yourself.
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- Ubuntu::
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sudo apt-get install gawk gperf grep gettext ncurses python python-dev automake bison flex texinfo help2man libtool
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sudo apt-get install gawk gperf grep gettext libncurses-dev python python-dev automake bison flex texinfo help2man libtool
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- Debian::
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@ -113,7 +115,7 @@ Open terminal, navigate to the directory you want to clone ESP-IDF and clone it
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git clone --recursive https://github.com/espressif/esp-idf.git
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ESP-IDF will be downloaded into ``~/esp/esp-idf``.
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ESP-IDF will be downloaded into ``~/esp/esp-idf``.
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Note the ``--recursive`` option! If you have already cloned ESP-IDF without this option, run another command to get all the submodules::
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@ -142,7 +144,7 @@ In terminal, go to the application directory which was obtained on the previous
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cd ~/esp/myapp
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Type a command like this to set the path to ESP-IDF directory::
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Type a command like this to set the path to ESP-IDF directory::
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export IDF_PATH=~/esp/esp-idf
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@ -23,13 +23,13 @@ Step 1: Download binary toolchain for the ESP32
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ESP32 toolchain for macOS is available for download from Espressif website:
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https://dl.espressif.com/dl/xtensa-esp32-elf-osx-1.22.0-59.tar.gz
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https://dl.espressif.com/dl/xtensa-esp32-elf-osx-1.22.0-61-gab8375a-5.2.0.tar.gz
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Download this file, then extract it to the location you prefer, for example::
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mkdir -p ~/esp
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cd ~/esp
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tar -xzf ~/Downloads/xtensa-esp32-elf-osx-1.22.0-59.tar.gz
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tar -xzf ~/Downloads/xtensa-esp32-elf-osx-1.22.0-61-gab8375a-5.2.0.tar.gz
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The toolchain will be extracted into ``~/esp/xtensa-esp32-elf/`` directory.
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@ -46,12 +46,14 @@ Then when you need the toolchain you can type ``get_esp32`` on the command line
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Alternative Step 1: Compile the toolchain from source using crosstool-NG
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========================================================================
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Instead of downloading binary toolchain from Espressif website (Step 1 above) you may build the toolchain yourself.
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Instead of downloading binary toolchain from Espressif website (Step 1 above) you may build the toolchain yourself.
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If you can't think of a reason why you need to build it yourself, then probably it's better to stick with the binary version. However, here are some of the reasons why you might want to compile it from source:
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- if you want to customize toolchain build configuration
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- if you want to use a different GCC version (such as 4.8.5)
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- if you want to hack gcc or newlib or libstdc++
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- if you are curious and/or have time to spare
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@ -107,7 +109,7 @@ Open Terminal.app, navigate to the directory you want to clone ESP-IDF and clone
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git clone --recursive https://github.com/espressif/esp-idf.git
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ESP-IDF will be downloaded into ``~/esp/esp-idf``.
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ESP-IDF will be downloaded into ``~/esp/esp-idf``.
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Note the ``--recursive`` option! If you have already cloned ESP-IDF without this option, run another command to get all the submodules::
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@ -136,7 +138,7 @@ In Terminal.app, go to the application directory which was obtained on the previ
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cd ~/esp/myapp
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Type a command like this to set the path to ESP-IDF directory::
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Type a command like this to set the path to ESP-IDF directory::
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export IDF_PATH=~/esp/esp-idf
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@ -160,4 +162,3 @@ Further reading
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===============
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If you'd like to use the Eclipse IDE instead of running ``make``, check out the Eclipse setup guide in this directory.
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@ -9,7 +9,7 @@ Windows doesn't have a built-in "make" environment, so as well as installing the
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The quick setup is to download the Windows all-in-one toolchain & MSYS zip file from dl.espressif.com:
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https://dl.espressif.com/dl/esp32_win32_msys2_environment_and_toolchain-20160816.zip
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https://dl.espressif.com/dl/esp32_win32_msys2_environment_and_toolchain-20170111.zip
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Unzip the zip file to C:\ and it will create an "msys32" directory with a pre-prepared environment.
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@ -38,7 +38,7 @@ Another Alternative Step 1: Just download a toolchain
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If you already have an MSYS2 install or want to do things differently, you can download just the toolchain here:
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https://dl.espressif.com/dl/xtensa-esp32-elf-win32-1.22.0-59.zip
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https://dl.espressif.com/dl/xtensa-esp32-elf-win32-1.22.0-61-gab8375a-5.2.0.zip
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If you followed one of the above options for Step 1, you won't need this download.
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@ -421,3 +421,30 @@ endef
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# filter/subst in expression ensures all submodule paths begin with $(IDF_PATH), and then strips that prefix
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# so the argument is suitable for use with 'git submodule' commands
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$(foreach submodule,$(subst $(IDF_PATH)/,,$(filter $(IDF_PATH)/%,$(COMPONENT_SUBMODULES))),$(eval $(call GenerateSubmoduleCheckTarget,$(submodule))))
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# Check toolchain version using the output of xtensa-esp32-elf-gcc --version command.
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# The output normally looks as follows
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# xtensa-esp32-elf-gcc (crosstool-NG crosstool-ng-1.22.0-59-ga194053) 4.8.5
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# The part in brackets is extracted into TOOLCHAIN_COMMIT_DESC variable,
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# the part after the brackets is extracted into TOOLCHAIN_GCC_VER.
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ifndef MAKE_RESTARTS
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TOOLCHAIN_COMMIT_DESC := $(shell $(CC) --version | sed -E -n 's|xtensa-esp32-elf-gcc\ \(([^)]*).*|\1|gp')
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TOOLCHAIN_GCC_VER := $(shell $(CC) --version | sed -E -n 's|xtensa-esp32-elf-gcc\ \(.*\)\ (.*)|\1|gp')
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# Officially supported version(s)
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SUPPORTED_TOOLCHAIN_COMMIT_DESC := crosstool-NG crosstool-ng-1.22.0-61-gab8375a
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SUPPORTED_TOOLCHAIN_GCC_VERSIONS := 5.2.0
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ifneq ($(TOOLCHAIN_COMMIT_DESC), $(SUPPORTED_TOOLCHAIN_COMMIT_DESC))
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$(info WARNING: Toolchain version is not supported: $(TOOLCHAIN_COMMIT_DESC))
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$(info Expected to see version: $(SUPPORTED_TOOLCHAIN_COMMIT_DESC))
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$(info Please check ESP-IDF setup instructions and update the toolchain, or proceed at your own risk.)
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endif
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ifeq (,$(findstring $(TOOLCHAIN_GCC_VER), $(SUPPORTED_TOOLCHAIN_GCC_VERSIONS)))
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$(warning WARNING: Compiler version is not supported: $(TOOLCHAIN_GCC_VER))
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$(info Expected to see version(s): $(SUPPORTED_TOOLCHAIN_GCC_VERSIONS))
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$(info Please check ESP-IDF setup instructions and update the toolchain, or proceed at your own risk.)
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endif
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endif #MAKE_RESTARTS
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