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feat(dma2d): support RGB24 and BGR24 scramble conversion

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Add async color convert coverage for direct RGB24/BGR24 byte-order swaps
and
thread both TX and RX CSC state through DMA2D transactions for future
extensibility.
This commit is contained in:
morris
2026-06-18 18:27:02 +08:00
parent ac5fcd73ef
commit caf09a3c97
7 changed files with 345 additions and 80 deletions
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56
docs/en/api-reference/peripherals/async_color_convert.rst
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@@ -148,7 +148,7 @@ Both the source window and destination window must stay within the bounds of the
Supported Conversions
---------------------
The following format pairs are supported by this driver:
The following format pairs are currently supported by this driver:
.. list-table::
:header-rows: 1
@@ -156,32 +156,54 @@ The following format pairs are supported by this driver:
* - Source format
- Destination format
- Conversion standard
* - same as destination (skip conversion)
- same as source (skip conversion)
* - ``ESP_COLOR_FOURCC_RGB16``
- ``ESP_COLOR_FOURCC_RGB16``
- N/A
* - RGB565
- RGB888
* - ``ESP_COLOR_FOURCC_BGR24``
- ``ESP_COLOR_FOURCC_BGR24``
- N/A
* - RGB888
- RGB565
* - ``ESP_COLOR_FOURCC_RGB24``
- ``ESP_COLOR_FOURCC_RGB24``
- N/A
* - RGB888
- UYVY422
* - ``ESP_COLOR_FOURCC_UYVY``
- ``ESP_COLOR_FOURCC_UYVY``
- N/A
* - ``ESP_COLOR_FOURCC_BGR24``
- ``ESP_COLOR_FOURCC_RGB24``
- N/A
* - ``ESP_COLOR_FOURCC_RGB24``
- ``ESP_COLOR_FOURCC_BGR24``
- N/A
* - ``ESP_COLOR_FOURCC_RGB16``
- ``ESP_COLOR_FOURCC_BGR24``
- N/A
* - ``ESP_COLOR_FOURCC_BGR24``
- ``ESP_COLOR_FOURCC_RGB16``
- N/A
* - ``ESP_COLOR_FOURCC_RGB24``
- ``ESP_COLOR_FOURCC_RGB16``
- N/A
* - ``ESP_COLOR_FOURCC_BGR24``
- ``ESP_COLOR_FOURCC_UYVY``
- BT.601
* - RGB888
- UYVY422
* - ``ESP_COLOR_FOURCC_BGR24``
- ``ESP_COLOR_FOURCC_UYVY``
- BT.709
* - UYVY422
- RGB888
* - ``ESP_COLOR_FOURCC_RGB24``
- ``ESP_COLOR_FOURCC_UYVY``
- BT.601
* - UYVY422
- RGB888
* - ``ESP_COLOR_FOURCC_RGB24``
- ``ESP_COLOR_FOURCC_UYVY``
- BT.709
* - ``ESP_COLOR_FOURCC_UYVY``
- ``ESP_COLOR_FOURCC_BGR24``
- BT.601
* - ``ESP_COLOR_FOURCC_UYVY``
- ``ESP_COLOR_FOURCC_BGR24``
- BT.709
.. note::
In this driver, RGB888 uses ``ESP_COLOR_FOURCC_BGR24`` and UYVY422 uses ``ESP_COLOR_FOURCC_UYVY``.
Always set :cpp:member:`async_color_convert_request_t::src_color_format` and
:cpp:member:`async_color_convert_request_t::dst_color_format`.
Set :cpp:member:`async_color_convert_request_t::color_conv_std` when converting between RGB and YUV.