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

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

This gives more information to the user when doing updates from SPI flash.
Signed-off-by: Damien George <damien@micropython.org>

The following changes are made:
- Use software SPI for external SPI flash access when building mboot.
- Enable the mboot filesystem-loading feature, with FAT FS support.
- Increase the frequency of the CPU when in mboot to 96MHz, to increase the
  speed of SPI flash accesses and programming.
Signed-off-by: Damien George <damien@micropython.org>

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

This allows a board to modify initial_r0 if needed.

Also make default board behaviour functions always available, named as
mboot_get_reset_mode_default and mboot_state_change_default.
Signed-off-by: Damien George <damien@micropython.org>

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

In case the elements should not be passed directly to machine.bootloader.
Signed-off-by: Damien George <damien@micropython.org>

This was missed in b2deea67Signed-off-by: Damien George <damien@micropython.org>

And allow it to be configured externally, if needed.
Signed-off-by: Damien George <damien@micropython.org>

I2C transfers are much more efficient if they are combined, instead of
doing separate writes and reads.

Fixes issue #7134.
Signed-off-by: Damien George <damien@micropython.org>

This option is useful for ports where it's more efficient to do a full I2C
transfer in one go.
Signed-off-by: Damien George <damien@micropython.org>

The procedure given here will work whether or not the DevKit motherboard is
used and is equipped with the support MCU.  It is laborious but works.

This shortens the quickref.  Also change the note about the hardware SPI
frequeny limits.

And make it so this test can run on any target.

LED and time testing has been removed from this test, that can now be
tested using: ./run-tests.py --via-mpy --emit native.
Signed-off-by: Damien George <damien@micropython.org>

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

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

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

This allows mpy-cross to dynamically select whether ARMv7-M float
instructions are supported in @micropython.asm_thumb functions.
Signed-off-by: Damien George <damien@micropython.org>

This follows on from a5324a10 and allows
mpy-cross to dynamically select whether ARMv7-M instructions are supported
in @micropython.asm_thumb functions.

The config option MICROPY_EMIT_INLINE_THUMB_ARMV7M is no longer needed, it
is now controlled by MICROPY_EMIT_THUMB_ARMV7M.
Signed-off-by: Damien George <damien@micropython.org>

This was removed in c49d5207Signed-off-by: Damien George <damien@micropython.org>

* Firmware 1.5.0 introduces a new BSD-like sockets ABI,
which improves the integration with MicroPython.

* Internal errno can't be used with Nina module due to an issue
with esp-idf config.

For ports with MICROPY_VFS and MICROPY_PY_IO enabled their configuration
can now be simplified to use the defaults for mp_import_stat and
mp_builtin_open.

This commit makes no functional change, except for the following minor
points:
- the built-in "open" is removed from the minimal port (it previously did
  nothing)
- the duplicate built-in "input" is removed from the esp32 port
- qemu-arm now delegates to VFS import/open
Signed-off-by: Damien George <damien@micropython.org>

The following changes are made:

- If MICROPY_VFS is enabled then mp_vfs_import_stat and mp_vfs_open are
  automatically used for mp_import_stat and mp_builtin_open respectively.

- If MICROPY_PY_IO is enabled then "open" is automatically included in the
  set of builtins, and points to mp_builtin_open_obj.

This helps to clean up and simplify the most common port configuration.
Signed-off-by: Damien George <damien@micropython.org>

This reverts commit 2668337f.

The issue with potential breaking of the BLE RX path in the radio is fixed
since WS v1.12.0.
Signed-off-by: Damien George <damien@micropython.org>

Add support for the special sockopt 20.