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https://github.com/licsber/micropython.git
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0397448501
Default to just calling python since that is most commonly available: the official installer or zipfiles from python.org, anaconda, nupkg all result in python being available but not python3. In other words: the default used so far is wrong. Note that os.name is 'posix' when running the python version which comes with Cygwin or MSys2 so they are not affected by this. However of all possible ways to get Python on Windows, only Cygwin provides no python command so update the default way for running tests in the README.
119 lines
3.8 KiB
Markdown
119 lines
3.8 KiB
Markdown
This is the experimental, community-supported Windows port of MicroPython.
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It is based on Unix port, and expected to remain so.
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The port requires additional testing, debugging, and patches. Please
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consider to contribute.
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All gcc-based builds use the gcc compiler from [Mingw-w64](mingw-w64.org),
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which is the advancement of the original mingw project. The latter is
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getting obsolete and is not actively supported by MicroPython.
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Build instruction assume you're in the ports/windows directory.
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Building on Debian/Ubuntu Linux system
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---------------------------------------
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sudo apt-get install python3 build-essential gcc-mingw-w64
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make -C ../../mpy-cross
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make CROSS_COMPILE=i686-w64-mingw32-
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Building under Cygwin
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---------------------
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Install Cygwin, then install following packages using Cygwin's setup.exe:
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* mingw64-i686-gcc-core
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* mingw64-x86_64-gcc-core
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* make
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Also install the python3 package, or install Python globally for Windows (see below).
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Build using:
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make -C ../../mpy-cross CROSS_COMPILE=i686-w64-mingw32-
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make CROSS_COMPILE=i686-w64-mingw32-
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Or for 64bit:
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make -C ../../mpy-cross CROSS_COMPILE=x86_64-w64-mingw32-
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make CROSS_COMPILE=x86_64-w64-mingw32-
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Building under MSYS2
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--------------------
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Install MSYS2 from http://repo.msys2.org/distrib, start the msys2.exe shell and
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install the build tools:
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pacman -Syuu
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pacman -S make mingw-w64-x86_64-gcc pkg-config python3
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Start the mingw64.exe shell and build:
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make -C ../../mpy-cross STRIP=echo SIZE=echo
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make
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Building using MS Visual Studio 2013 (or higher)
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------------------------------------------------
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Install Python. There are several ways to do this, for example: download and install the
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latest Python 3 release from https://www.python.org/downloads/windows or from
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https://docs.conda.io/en/latest/miniconda.html,
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or open the Microsoft Store app and search for Python and install it.
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Install Visual Studio and the C++ toolset (for recent versions: install
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the free Visual Studio Community edition and the *Desktop development with C++* workload).
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In the IDE, open `micropython-cross.vcxproj` and `micropython.vcxproj` and build.
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To build from the command line:
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msbuild ../../mpy-cross/mpy-cross.vcxproj
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msbuild micropython.vcxproj
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__Stack usage__
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The msvc compiler is quite stack-hungry which might result in a "maximum recursion depth exceeded"
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RuntimeError for code with lots of nested function calls.
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There are several ways to deal with this:
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- increase the threshold used for detection by altering the argument to `mp_stack_set_limit` in `ports/unix/main.c`
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- disable detection all together by setting `MICROPY_STACK_CHECK` to "0" in `ports/windows/mpconfigport.h`
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- disable the /GL compiler flag by setting `WholeProgramOptimization` to "false"
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See [issue 2927](https://github.com/micropython/micropython/issues/2927) for more information.
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Running the tests
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-----------------
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This is similar for all ports:
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cd ../../tests
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python ./run-tests
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Though when running on Cygwin and using Cygwin's Python installation you'll need:
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python3 ./run-tests
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Depending on the combination of platform and Python version used it might be
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needed to first set the MICROPY_MICROPYTHON environment variable to
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the full path of micropython.exe.
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Running on Linux using Wine
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---------------------------
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The default build (MICROPY_USE_READLINE=1) uses extended Windows console
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functions and thus should be ran using the `wineconsole` tool. Depending
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on the Wine build configuration, you may also want to select the curses
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backend which has the look&feel of a standard Unix console:
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wineconsole --backend=curses ./micropython.exe
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For more info, see https://www.winehq.org/docs/wineusr-guide/cui-programs .
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If built without line editing and history capabilities
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(MICROPY_USE_READLINE=0), the resulting binary can be run using the standard
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`wine` tool.
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