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This is a pretty fundamental module, and even minimal ports like unix and zephyr minimal have it enabled. So, enabled it by default at the lowest feature level. Most things in the `sys` module are configurable, and off by default, so it shouldn't add too much to ports that don't already have it enabled (which is just the minimal port). Also note that `sys` is still disabled on the bare-arm port, to keep that ultra minimal. It means we now have bare-arm without `sys` and the minimal port with `sys`. That will allow different code size comparisons if/when new `sys` features are added. Signed-off-by: Damien George <damien@micropython.org>
Example of embedding MicroPython in a standalone C application
This directory contains a simple example of how to embed MicroPython in an existing C application.
A C application is represented here by the file main.c. It executes two
simple Python scripts which print things to the standard output.
Building the example
First build the embed port using:
$ make -f micropython_embed.mk
This will generate the micropython_embed directory which is a self-contained
copy of MicroPython suitable for embedding. The .c files in this directory need
to be compiled into your project, in whatever way your project can do that. The
example here uses make and a provided Makefile.
To build the example project, based on main.c, use:
$ make
That will create an executable called embed which you can run:
$ ./embed
Out of tree build
This example is set up to work out of the box, being part of the MicroPython
tree. Your application will be outside of this tree, but the only thing you
need to do for that is to change MICROPYTHON_TOP (found in micropython_embed.mk)
to point to the location of the MicroPython repository. The MicroPython
repository may, for example, be a git submodule in your project.