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This allows `ble.active(1)` to fail correctly if the HCI controller is
unavailable.
It also avoids an infine loop in the NimBLE event handler where NimBLE
doesn't correctly detect that the HCI controller is unavailable and keeps
trying to reset.
Furthermore, it fixes an issue where GATT service registrations were left
allocated, which led to a bad realloc if the stack was activated multiple
times.
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MicroPython and NimBLE must be on the same core, for synchronisation of the
BLE ringbuf and the MicroPython scheduler. However, in the current IDF
versions (3.3 and 4.0) there are issues (see e.g. #5489) with running
NimBLE on core 1.
This change - pinning both tasks to core 0 - makes it possible to reliably
run the BLE multitests on esp32 boards.
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The 2ms used previously was not long enough and it could lose HCI sync.
Also print error on tx failure to make this more obvious in the future.
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Generally a controller should either have its own public address hardcoded,
or loaded by the driver (e.g. cywbt43).
However, for a controller that has no public address where you still want a
long-term stable address, this allows you to use a static address generated
by the port. Typically on STM32 this will be an LAA, but a board might
override this.
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Changes `BLE.config('mac')` to return a tuple (addr_mode, addr).
Adds `BLE.config(addr_mode=...)` to set the addressing mode.
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This commit adds support for using Bluetooth on the unix port via a H4
serial interface (distinct from a USB dongle), with both BTstack and NimBLE
Bluetooth stacks.
Note that MICROPY_PY_BLUETOOTH is now disabled for the coverage variant.
Prior to this commit Bluetooth was anyway not being built on Travis because
libusb was not detected. But now that bluetooth works in H4 mode it will
be built, and will lead to a large decrease in coverage because Bluetooth
tests cannot be run on Travis.
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Previously the interaction between the different layers of the Bluetooth
stack was different on each port and each stack. This commit defines
common interfaces between them and implements them for cyw43, btstack,
nimble, stm32, unix.
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And prefix the debug message with "btstack:" or "nimble:", depending on the
context. Also use correct format specifier for %zu.
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So that the IRQ handler does not need to be traced by the GC.
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This will allow the HCI UART to use a non-heap mp_irq_obj_t, which avoids
needing to make a root pointer for it.
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mp_irq_init() is useful when the IRQ object is allocated by the caller.
The mp_irq_methods_t.init method is not used anywhere so has been removed.
Signed-off-by: Damien George <damien@micropython.org>
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It's a useful core feature.
Signed-off-by: Damien George <damien@micropython.org>
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Thanks to Jeff Epler for the idea.
Signed-off-by: Damien George <damien@micropython.org>
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This is consistent with the other 'micro' modules and allows implementing
additional features in Python via e.g. micropython-lib's sys.
Note this is a breaking change (not backwards compatible) for ports which
do not enable weak links, as "import sys" must now be replaced with
"import usys".
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Signed-off-by: Damien George <damien@micropython.org>
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Verifies mtime timestamps on files match the value returned by time.time().
Also update vfs_fat_ramdisk.py so it doesn't check FAT timestamp of the
root, because that may change across runs/ports.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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By setting MICROPY_EPOCH_IS_1970 a port can opt to use 1970/1/1 as the
Epoch for timestamps returned by stat(). And this setting is enabled on
the unix and windows ports because that's what they use.
Signed-off-by: Damien George <damien@micropython.org>
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On 32-bit builds these stat fields will overflow a small-int, so use
mp_obj_new_int_from_uint to construct the int object.
Signed-off-by: Damien George <damien@micropython.org>
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On ports like unix where the Epoch is 1970/1/1 and atime/mtime/ctime are in
seconds since the Epoch, this value will overflow a small-int on 32-bit
systems. So far this is only an issue on 32-bit unix builds that use the
VFS layer (eg dev and coverage unix variants) but the fix (using
mp_obj_new_int_from_uint instead of MP_OBJ_NEW_SMALL_INT) is there for all
ports so as to not complicate the code, and because they will need the
range one day.
Also apply a similar fix to other fields in VfsPosix.stat because they may
also be large.
Signed-off-by: Damien George <damien@micropython.org>
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gettimeofday returns seconds since 2000/1/1 so needs to be adjusted to
seconds since 1970/1/1 to give the correct return value of mp_hal_time_ns.
Signed-off-by: Damien George <damien@micropython.org>
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This regressed in bd2fff66875ed5adab8ce163a7f2bdafbd0332f9
Signed-off-by: Damien George <damien@micropython.org>
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This commit fixes the cases when a TCP socket is in STATE_NEW,
STATE_LISTENING or STATE_CONNECTING and recv() is called on it. It now
raises ENOTCONN instead of a random error code due to it previously
indexing beyond the start of error_lookup_table[].
Signed-off-by: Damien George <damien@micropython.org>
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Updating to Black v20.8b1 there are two changes that affect the code in
this repository:
- If there is a trailing comma in a list (eg [], () or function call) then
that list is now written out with one line per element. So remove such
trailing commas where the list should stay on one line.
- Spaces at the start of """ doc strings are removed.
Signed-off-by: Damien George <damien@micropython.org>
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So they can be skipped if __rOP__'s are not supported on the target. Also
fix the typo in the complex_special_methods.py filename.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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The memory operation functions read_mem() and write_mem() create a
temporary buffer on the local C stack for the address bytes with the size
of 4 bytes. This buffer is filled in a loop from the user supplied address
and address length. If the user supplied 'addrsize' is bigger than 32, the
local buffer is overrun.
Fix this by raising an exception for invalid 'addrsize' values.
Signed-off-by: Michael Buesch <m@bues.ch>
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A configurable result directory is advantageous because it enables
using a dedicated location, eventually outside of the source tree,
instead of forcing the output files into a fixed directory which might
also contain other files already. For that reason the default output
directory also has been changed to tests/results/.
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Replace some usages of paths relative to the current working directory
with absolute paths relative to the tests directory.
Fixes and resulting changes:
- default values of MICROPYTHON and MPYCROSS are absolute paths and
always correct
- likewise, the correct full paths for tools and extmod directories
are appended to sys.path
- printing/cleaning failures works properly since it expects the .exp
and .out files in the tests directory which is also where they
are written to now, plus no more need for changing directories
This fixes #5872 and allows running custom tests which use run-tests
without having to cd to the tests directory first, and the test output
still is in the tests/ directory instead of the current working directory.
Discovery of tests and all skip test logic based on paths relative to
the current working directory remains unchanged which essentially means
that for running most of MicroPython's own tests, run-tests must still
be ran from within it's directory, so document that.
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Add CFLAGS_EXTRA to CFLAGS. Include LDFLAGS_MOD to the compilation.
And, add SRC_MOD to SRC_QSTR.
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With sleep(0.2) a multiple of sleep(0.1), the order of task 2 and 3
execution is not well defined, and depends on the precision of the system
clock and how fast the rest of the code runs. So change 0.2 to 0.18 to
make the test more reliable.
Also fix a typo of t3/t4, and cancel t4 at the end.
Signed-off-by: Damien George <damien@micropython.org>
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This adds an additional optional parameter to gap_scan() to select active
scanning, where scan responses are returned as well as normal scan results.
This parameter is False by default which retains the existing behaviour.
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The READ_REQUEST callback is handled as a hard interrupt (because the BLE
stack needs an immediate response from it so it can continue) and so calls
to Python require extra protection:
- the caller-owned tuple passed into the callback must be separate from the
tuple used by other callback events (which are soft interrupts);
- the GC and scheduler must be locked during callback execution.
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This commit makes scanning work when duration_ms is set to zero. Prior to
this it would not work with duration_ms set to zero.
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This commit adds support for modification time of files on littlefs v2
filesystems, using file attributes. For some background see issue #6114.
Features/properties of this implementation:
- Only supported on littlefs2 (not littlefs1).
- Uses littlefs2's general file attributes to store the timestamp.
- The timestamp is 64-bits and stores nanoseconds since 1970/1/1 (if the
range to the year 2554 is not enough then additional bits can be added to
this timestamp by adding another file attribute).
- mtime is enabled by default but can be disabled in the constructor, eg:
uos.mount(uos.VfsLfs2(bdev, mtime=False), '/flash')
- It's fully backwards compatible, existing littlefs2 filesystems will work
without reformatting and timestamps will be added transparently to
existing files (once they are opened for writing).
- Files without timestamps will open correctly, and stat will just return 0
for their timestamp.
- mtime can be disabled or enabled each mount time and timestamps will only
be updated if mtime is enabled (otherwise they will be untouched).
Signed-off-by: Damien George <damien@micropython.org>
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This should return a 64-bit value being the number of nanoseconds since
1970/1/1.
Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Signed-off-by: Damien George <damien@micropython.org>
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Otherwise a task that continuously awaits on a large negative sleep can
monopolise the scheduler (because its wake time is always less than
everything else in the pairing heap).
Signed-off-by: Damien George <damien@micropython.org>
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