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Allow cancellation of in-progress peripheral connections.

Signed-off-by: Michael Buesch <m@bues.ch>

Signed-off-by: Michael Buesch <m@bues.ch>

Signed-off-by: Michael Buesch <m@bues.ch>

Instead of board pins, so that pins which have only the CPU specified in
pins.csv can still be used with mp_hal_pin_config_alt_static().
Signed-off-by: Damien George <damien@micropython.org>

So that the MMC driver can be used on F4 MCUs.
Signed-off-by: Damien George <damien@micropython.org>

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

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

A board can now define the following linker symbols to configure its flash
storage layout:

    _micropy_hw_internal_flash_storage_start
    _micropy_hw_internal_flash_storage_end
    _micropy_hw_internal_flash_storage_ram_cache_start
    _micropy_hw_internal_flash_storage_ram_cache_end

And optionally have a second flash segment by configuring
MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE_SEGMENT2 to 1 and defining:

    _micropy_hw_internal_flash_storage2_start
    _micropy_hw_internal_flash_storage2_end
Signed-off-by: Damien George <damien@micropython.org>

Fixes #8025

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

The third and fourth parameters in display.rect() and display.fill_rect()
are not x,y coordinates, but are instead width,height values.  Update the
comment after the example to show the correct x,y coordinates of the bottom
right corner of each rectangle, respectively.

Adds a fix to behavior occuring since WS 1.11 where the FUS returns
misleading statuses during WS upgrade.

These two entries were removed in 049a7a81Signed-off-by: Damien George <damien@micropython.org>

Concatenation of any literals (including f-strings) should be avoided.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

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

This reduces code size and code duplication, and fixes `pyb.usb_mode()` so
that it now returns the correct string when in multi-VCP mode (before, it
would return None when in one of these modes).
Signed-off-by: Damien George <damien@micropython.org>

To add the manufacturer as a prefix to the board name, for consistency with
other Garatronic boards.

Frequency range 15Hz/18Hz to > 1 MHz, with decreasing resolution of the
duty cycle.  The basic API is supported as documentated, except that
keyword parameters are accepted for both the instatiaton and the
PWM.init() call.

Extensions: support PWM for channel pairs.  Channel pairs are declared by
supplying 2-element tuples for the pins.  The two channels of a pair must
be the A/B channel of a FLEXPWM module.  These form than a complementary
pair.

Additional supported keyword arguments:

- center=value Defines the center position of a pulse within the pulse
  cycle.  The align keyword is actually shortcut for center.

- sync=True|False: If set to True, the channels will be synchronized to a
  submodule 0 channel, which has already to be enabled.

- align=PWM.MIDDLE | PMW.BEGIN | PWM.END. It defines, whether synchronized
  channels are Center-Aligned or Edge-aligned.  The channels must be either
  complementary a channel pair or a group of synchronized channels.  It may
  as well be applied to a single channel, but withiout any benefit.

- invert= 0..3. Controls ouput inversion of the pins.  Bit 0 controls the
  first pin, bit 1 the second.

- deadtime=time_ns time of complementary channels for delaying the rising
  slope.

- xor=0|1|2 xor causes the output of channel A and B to be xored.  If
  applied to a X channel, it shows the value oif A ^ B.  If applied to an A
  or B channel, both channel show the xored signal for xor=1.  For xor=2,
  the xored signal is split between channels A and B.  See also the
  Reference Manual, chapter about double pulses.  The behavior of xor=2 can
  also be achieved using the center method for locating a pulse within a
  clock period.

The output is enabled for board pins only.

CPU pins may still be used for FLEXPWM, e.g. as sync source, but the signal
will not be routed to the output.  That applies only to FLEXPWM pins.  The
use of QTMR pins which are not board pins will be rejected.

As part of this commit, the _WFE() statement is removed from
ticks_delay_us64() to prevent PWM glitching during calls to sleep().

Any board with a board.json file will be built.  Additional variants for
certain pyboards will also be built by the explicit build-stm32-extra.sh
script.  Both .dfu and .hex files will be made available.

Also build boards in a sorted order, and don't stop building if a single
board fails.
Signed-off-by: Damien George <damien@micropython.org>

This is to make the builds for all nucleo/discovery boards uniform, so they
can be treated the same by the auto build scripts.

The CI script is updated to explicitly enable mboot and packing, to test
these features.
Signed-off-by: Damien George <damien@micropython.org>

Make it possible to proceed to a regular lookup in locals_dict if the
custom type->attr fails.  This allows type->attr to extend rather than
completely replace the lookup in locals_dict.

This is useful for custom builtin classes that have mostly regular methods
but just a few special attributes/properties.  This way, type->attr needs
to deal with the special cases only and the default lookup will be used for
generic methods.
Signed-off-by: Laurens Valk <laurens@pybricks.com>

This prevents SPI4/5 from being used if SDIO and CYW43 are enabled, because
the DMA for the SDIO is used on an IRQ and must be exclusivly available for
use by the SDIO peripheral.
Signed-off-by: Damien George <damien@micropython.org>

Because DMA2 may be in use by other peripherals, eg SPI1.

On PYBD-SF6 it's possible to trigger a bug in the existing code by turning
on WLAN and connecting to an AP, pinging the IP address from a PC and
running the following code on the PYBD:

    def spi_test(s):
        while 1:
            s.write('test')
            s.read(4)

    spi_test(machine.SPI(1,100000000))

This will eventually fail with `OSError: [Errno 110] ETIMEDOUT` because
DMA2 was turned off by the CYW43 driver during the SPI1 transfer.

This commit fixes the bug by removing the code that explicitly disables
DMA2.  Instead DMA2 will be automatically disabled after an inactivity
timeout, see commit a96afae9Signed-off-by: Damien George <damien@micropython.org>

If a board specifies a filename via MICROPY_BOARD_FROZEN_BOOT_FILE then
that will be run on start up, before the usual boot.py.

The source code should stay 7-bit ASCII clean.
Signed-off-by: Damien George <damien@micropython.org>

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

Quail (https://www.mikroe.com/quail, PID: MIKROE-1793) is based on an
STM32F427VI CPU, featuring 2048 kB of Flash memory and 192 kB of RAM.  An
on-board Cypress S25FL164K adds 8 MB of SPI Flash.

Quail has 4 mikroBUS(TM) sockets for Mikroe click(TM) board connectivity,
along with 24 screw terminals for connecting additional electronics and two
USB ports (one for programming, the other for external mass storage).

4 UARTs, 2 SPIs and 1 I2C bus are available for communication.
Signed-off-by: Lorenzo Cappelletti <lorenzo.cappelletti@gmail.com>

Signed-off-by: Lorenzo Cappelletti <lorenzo.cappelletti@gmail.com>

- Fix the BSSID byte order from scan and netinfo.
- Make sure ESSID from netinfo is null terminated.

Previously the use of `range(start,stop,step)` caused an allocation.
Replace with while loop.
Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

Was incorrectly added as 7MB for an 8MB SPI flash, but this board has a
16MB chip, not 8MB, so it should be 15MB leaving 1MB for MicroPython.

Thanks to @robert-hh