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Co-authored-by: Scott Shawcroft <scott@tannewt.org>
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arguments
.. and introduce a convenience macro that helps many of them be required
(if their values match defaults or are inapplicable)
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A bit of cheating; we need to add a protocol getter for
reverse_bytes_in_word
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This avoids the message "Too many displays in use" when they are released
directly, rather than via release_displays().
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If set_brightness was implemented but get_brightness wasn't, this
would hard fault
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storage.erase_filesystem(): disconnect from USB and wait 1 second before resetting
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this flips the bottom-right style to top-left which is at least
kind of normal. A 2x2 square at (0,0) would be defined like
(0,0), (3,0), (3,3), (0,3)
Which seems kind of surprising but at least less bonkers than
that square being defined at (1,1), which is the current behavior.
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STM32: Add timer allocator, PulseIO adjustments
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Fixes https://github.com/adafruit/circuitpython/issues/3170
The absolute transform needs to be subtracted in all cases, not
only when the coordinate system is transposed.
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Background callback bugfixes
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if we don't set the flag via accessor fn the tick enable might become wrong
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The getter for vectorio.Polygon#points was not updated with the data type change of the stored points list.
This moves the implementation to shared_module and updates the data type to reflect the actual state.
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This is a step towards restoring the efficiency of the background
tasks
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Before this, the mp3 file would be read into the in-memory buffer
only when new samples were actually needed. This meant that the time
to read mp3 content always counted against the ~22ms audio buffer length.
Now, when there's at least 1 full disk block of free space in the input
buffer, we can request that the buffer be filled _after_ returning from
audiomp3_mp3file_get_buffer and actually filling the DMA pointers. In
this way, the time taken for reading MP3 data from flash/SD is less
likely to cause an underrun of audio DMA.
The existing calls to fill the inbuf remain, but in most cases during
streaming these become no-ops because the buffer will be over half full.
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Add busio support for the ESP32-S2
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Testing performed: That a card is successfully mounted on Pygamer with
the built in SD card slot
This module is enabled for most FULL_BUILD boards, but is disabled for
samd21 ("M0"), litex, and pca10100 for various reasons.
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I noticed that this code was referring to samd-specific functionality,
and isn't enabled except in one samd board (pewpew10). Move it.
There is incomplte support for _pew in mimxrt10xx which then caused build
errors; adding a #if guard to check for _pew being enabled fixes it.
The _pew module is not likely to be important on mimxrt but I'll leave the
choice to remove it to someone else.
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Adding self->needs_refresh = true; in common_hal_displayio_palette_make_opaque() and common_hal_displayio_palette_make_transparent()
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This can be enforced by pre-commit, but correct it separately to make it easier to review.
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There were two main problems
- word_buffer was being filled as though with unsigned samples,
but during mixing all samples are kept in signed mode
- If the first buffer was stopped, the voices_active flag got set
anyway, even though the output buffer wasn't initialized yet,
so the samples were mixed with indeterminate data
We also cover the case where no buffer was playing, and ensure
the output buffer is filled.
This now works much better. Tested on neotrellis m4 playing back
4 mp3 streams at a time in signed-16, 22050Hz
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When handling negative steps, start and stop need to be mp_int_t so they
can be checked against a potential negative value during the for loop
used to set the slice values.
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Add support for a debug console, such as ST-Link VCP.
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This change takes polygon from 126k pixels per second fill to 240k pps fill
on a reference 5 point star 50x66px polygon, updating both location and shape
at 10hz. Tested on an m4 express feather.
As a curiosity, the flat-out fill rate of a shape whose get_pixel is `return 0;`
fills just shy of 375k pixels per second.
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Otherwise, button presses might not be noticed.
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