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feat(drivers/st_ltdc): add rotation support to LTDC driver (#7254)

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Liam
2024-12-02 04:05:43 +01:00
committed by GitHub
parent 63ac1cec9b
commit a87a28bcd4
2 changed files with 48 additions and 23 deletions
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14
docs/details/integration/driver/display/st_ltdc.rst
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@@ -81,6 +81,20 @@ Providing a second partial buffer can improve CPU utilization and increase
performance compared to
a single buffer if :c:macro:`LV_ST_LTDC_USE_DMA2D_FLUSH` is enabled.
Display Rotation
****************
The driver supports display rotation with
:cpp:expr:`lv_display_set_rotation(disp, rotation)` where rotation is one of
:cpp:enumerator:`LV_DISP_ROTATION_90`, :cpp:enumerator:`LV_DISP_ROTATION_180`,
or :cpp:enumerator:`LV_DISP_ROTATION_270`. The rotation is initially
:cpp:enumerator:`LV_DISP_ROTATION_0`.
The rotation is done in software and only works if the display was
created using :cpp:func:`lv_st_ltdc_create_partial`.
:c:macro:`LV_ST_LTDC_USE_DMA2D_FLUSH` will be have no effect if rotation
is used.
DMA2D
*****