Also shrinks the "prefer internal" threshold to 8KB, any allocation larger
than this will try PSRAM first.

Change the mbedTLS config to use regular malloc() as well, instead of
internal only.  The default is set to internal-only due to to potential
physical security issue of readout via PSRAM on the original ESP32.
However, as MicroPython runs from plaintext flash and all other context is
in the MP heap of PSRAM then it's hard to see how worsens physical security
for MP.

This work was funded through GitHub Sponsors.
Signed-off-by: NAngus Gratton <angus@redyak.com.au>

When set, the split heap is automatically extended with new areas on
demand, and shrunk if a heap area becomes empty during a GC pass or soft
reset.

To save code size the size allocation for a new heap block (including
metadata) is estimated at 103% of the failed allocation, rather than
working from the more complex algorithm in gc_try_add_heap(). This appears
to work well except in the extreme limit case when almost all RAM is
exhausted (~last few hundred bytes). However in this case some allocation
is likely to fail soon anyhow.

Currently there is no API to manually add a block of a given size to the
heap, although that could easily be added if necessary.

This work was funded through GitHub Sponsors.
Signed-off-by: NAngus Gratton <angus@redyak.com.au>

This commit:
- Breaks up some long lines for readability.
- Fixes a potential macro argument expansion issue.

This work was funded through GitHub Sponsors.
Signed-off-by: NAngus Gratton <angus@redyak.com.au>

Increase allowed range of dt_ms, and print it in case of failure.
Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

This commit:
- Finds a common set of board feature tags and maps existing features to
  that reduced set.
- Removes some less-useful board feature tags.
- Ensures all MCUs are specified correctly.
- Ensures all boards have a vendor (and fixes some vendor names).

This is to make the downloads page show a less intimidating set of filters.

Work done in conjunction with Matt Trentini <matt.trentini@gmail.com>.

This work was funded through GitHub Sponsors.
Signed-off-by: NJim Mussared <jim.mussared@gmail.com>

Otherwise `mpremote soft-reset` will implicitly run the repl command.

Fixes issue #10871.

This work was funded through GitHub Sponsors.
Signed-off-by: NJim Mussared <jim.mussared@gmail.com>

Signed-off-by: NJos Verlinde <jos_verlinde@hotmail.com>

Signed-off-by: NDaniël van de Giessen <daniel@dvdgiessen.nl>

Ruff version 283 expanded E721 to fail when making direct comparison
against a built-in type.  Change the code to use isinstance() as
suggested, these usages appear to have equivalent functionality.
Signed-off-by: NAngus Gratton <angus@redyak.com.au>

Signed-off-by: NDamien George <damien@micropython.org>

An SSL stream can only handle CLOSE and POLL ioctls.  Other ones do not
make sense, or at least it doesn't make sense to pass the ioctl request
directly down to the underlying stream.

In particular MP_STREAM_GET_FILENO should not be passed to the underlying
stream because the SSL stream is not directly related to a file descriptor,
and the SSL stream must handle the polling itself.
Signed-off-by: NDamien George <damien@micropython.org>

Some targets (eg PYBV10) have the socket module but are unable to create
UDP sockets without a registered NIC.  So skip UDP tests on these targets.
Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

The signature of this method was poller.poll(timeout=-1, flags=0, /) but
the flags argument was not documented and is not CPython compatible.  So
it's removed in this commit.

(The optional flags remains for the ipoll() method, which is documented.)
Signed-off-by: NDamien George <damien@micropython.org>

A previous commit removed the unix-specific select module implementation
and made unix use the common one.

This commit adds an optimisation so that the system poll function is used
when polling objects that have a file descriptor.  With this optimisation
enabled, if code registers both file-descriptor-based objects, and non-
file-descriptor-based objects with select.poll() then the following occurs:

- the system poll is called for all file-descriptor-based objects with a
  timeout of 1ms

- then the bare-metal polling implementation is used for remaining objects,
  which calls into their ioctl method (which can be in C or Python)

In the case where all objects have file descriptors, the system poll is
called with the full timeout requested by the caller.  That makes it as
efficient as possible in the case everything has a file descriptor.

Benefits of this approach:

- all ports use the same select module implementation

- the unix port now supports polling of all objects and matches bare metal
  implementations

- it's still efficient for existing cases where only files and sockets are
  polled (on unix)

- the bare metal implementation does not change

- polling of SSL objects will now work on unix by calling in to the ioctl
  method on SSL objects (this is required for asyncio ssl support)

Note that extmod/vfs_posix_file.c has poll disable when the optimisation is
enabled, because the code is not reachable when the optimisation is used.
Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

To make it easier to extend and modify this polling implementation.
Signed-off-by: NDamien George <damien@micropython.org>

The unix port has a custom select module which only works with objects that
have a file descriptor, eg files and sockets.  On the other hand, bare
metal ports use the common extmod/modselect.c implementation of the select
module that supports polling of arbitrary objects, as long as those objects
provide a MP_STREAM_POLL in their ioctl implementation (which can be done
in C or Python).

This commit removes the unix-specific code and makes unix use the common
one provided by extmod/modselect.c instead.  All objects with file
descriptors implement MP_STREAM_POLL so they continue to work.
Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NElecia White <elecia@logicalelegance.com>

When building for a specific board this must be specified in make
submodules.  I.e. make BOARD=STM32F769DISC submodules.
Signed-off-by: NRene Straub <rene@see5.ch>

In applications that use little memory and run GC regularly, the cost of
the sweep phase quickly becomes prohibitives as the amount of RAM
increases.

On an ESP32-S3 with 2 MB of external SPIRAM, for example, a trivial GC
cycle takes a minimum of 40ms, virtually all of it in the sweep phase.

Similarly, on the UNIX port with 1 GB of heap, a trivial GC takes 47 ms,
again virtually all of it in the sweep phase.

This commit speeds up the sweep phase in the case most of the heap is empty
by keeping track of the ID of the highest block we allocated in an area
since the last GC.

The performance benchmark run on PYBV10 shows between +0 and +2%
improvement across the existing performance tests.  These tests don't
really stress the GC, so they were also run with gc.threshold(30000) and
gc.threshold(10000).  For the 30000 case, performance improved by up to
+10% with this commit.  For the 10000 case, performance improved by at
least +10% on 6 tests, and up to +25%.
Signed-off-by: NDamien George <damien@micropython.org>

Prevent the GC cleaning up (and finalising) the SSLContext while the
socket is still live.
Signed-off-by: NJim Mussared <jim.mussared@gmail.com>

Signed-off-by: NBrett Cannon <brett@python.org>

On esp32, the build output consists of:
- micropython.elf
- micropython.map
- micropython.bin -- application only
- micropython.uf2 -- application only
- firmware.bin -- bootloader, partition table and application

Currently everything is available at the download page except
micropython.bin.  This commit adds that file but with the extension changed
to .app-bin, to distinguish it from .bin (the full thing).
Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

Listing the IDF version number in the board description is not as important
as it once was, when the IDF was still undergoing a lot of changes.  Now,
all builds use IDF 5.x and it's possible to query the exact version with
platform.platform().
Signed-off-by: NDamien George <damien@micropython.org>

Otherwise constructing an invalid SPI instance (eg machine.SPI(3)) will
mess up machine.SPI(2)'s state before it's detected that it's an invalid
SPI id.
Signed-off-by: NDamien George <damien@micropython.org>

On ESP32C3 it's not doing anything.  On ESP32S3 the original code prevented
prevented machine.SPI(1) from working.
Signed-off-by: NDamien George <damien@micropython.org>

Signed-off-by: NDamien George <damien@micropython.org>

SPI3_HOST is not a macro but rather an enum, so use SOC_SPI_PERIPH_NUM to
detect if it's defined.

Fixes issue #11919.
Signed-off-by: NDamien George <damien@micropython.org>

Previously this was explicitly enabled on esp32/stm32/renesas/mimxrt/samd,
but didn't get a default feature level because it wasn't in py/mpconfig.h.

With this commit it's now enabled at the "extra features" level, which adds
rp2, unix-standard, windows, esp8266, webassembly, and some nrf boards.

This work was funded through GitHub Sponsors.
Signed-off-by: NJim Mussared <jim.mussared@gmail.com>

This way, a bare `-` is never interpreted as an option, even before
`--`. Filenames starting with `-` still need to be put after `--`.
Signed-off-by: NArmin Brauns <armin.brauns@embedded-solutions.at>

Unless -o is given, output defaults to stdout unless a source file is
given (in which case the source file name is used to derive an output
file name).
Signed-off-by: NArmin Brauns <armin.brauns@embedded-solutions.at>

Signed-off-by: NArmin Brauns <armin.brauns@embedded-solutions.at>

Signed-off-by: NArmin Brauns <armin.brauns@embedded-solutions.at>

This changes the ESP32 WDT implementation to use a custom handle so that it
becomes possible to reset the WDT from a thread.

By default esp_task_wdt_add subscribes the task_id of the current task.
That means that if we're running in a different task we are unable to reset
the WDT, which prevents feeding the WDT from a thread directly, or even
from a timer (which may randomly run in a different task when there's
multiple threads).

As an added bonus, the name we set makes the error clearly specify that it
was the user-specified WDT that reset the chip.
Signed-off-by: NDaniël van de Giessen <daniel@dvdgiessen.nl>

Since commit beeb74 we already check in modussl_mbedtls whether this
function is provided by the ESP-IDF before calling it, thus we no longer
need to define it here in order to compile.

Removing it so that if CONFIG_MBEDTLS_DEBUG is defined we do not cause any
'multiple definition' compile errors.
Signed-off-by: NDaniël van de Giessen <daniel@dvdgiessen.nl>