Supported from GCC 8 and up, and Compiler Explorer suggests it works as
expected with Clang since 3.6 (2014).
- Fixes situation where building embedded MicroPython with -O0 and
MICROPY_NLR_X64 crashes at runtime (due to nlr_push pushing the
frame pointer register EBP). Closes#12421.
- Allows removing the macOS tweak to undo pushing EBP onto the stack
in the generated function prelude.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
Before, incorrect use when calling a core function would just say
"extra keyword arguments given"; now, it will name the argument:
```python
>>> Synthesizer(bad_kwarg="boo")
TypeError: unexpected keyword argument 'bad_kwarg'
```
Follow-up to 519c24dd487 when MICROPY_GC_SPLIT_HEAP_AUTO is enabled, based
on discussion at
https://github.com/orgs/micropython/discussions/12316#discussioncomment-6858007
gc.mem_free() is always a heuristic, but this makes it a more useful
heuristic for common use cases.
Signed-off-by: Angus Gratton <angus@redyak.com.au>
with the i2c bus operating at 400kHz this achieves a 4.8kHz SPI clock
rate which could be worse.
It accepts the same style of init sequence as displayio.
tested by scoping the pins on the espressif lcd dev kit with a dummy init sequence:
```python
dotclockframebuffer.ioexpander_send_init_sequence(
bus=bus,
i2c_address=expander_addr,
gpio_address=1,
gpio_data_len=1,
gpio_data=0xff,
cs_bit=1,
mosi_bit=3,
clk_bit=2,
init_sequence=init_sequence)
```
In CPython, `_thread.start_new_thread()` returns an ID that is the same ID
that is returned by `_thread.get_ident()`. The current MicroPython
implementation of `_thread.start_new_thread()` always returns `None`.
This modifies the required functions to return a value. The native thread
id is returned since this can be used for interop with other functions, for
example, `pthread_kill()` on *nix. `_thread.get_ident()` is also modified
to return the native thread id so that the values match and avoids the need
for a separate `native_id` attribute.
Fixes issue #12153.
Signed-off-by: David Lechner <david@pybricks.com>
