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fix(driver_spi): fixed master dma unaligned trans error

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wanckl
2026-03-30 15:48:24 +08:00
parent 0f76cddc91
commit b519d672a8
4 changed files with 46 additions and 5 deletions
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docs/en/api-reference/peripherals/spi_master.rst
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@@ -852,6 +852,10 @@ Please note that the ISR is disabled during flash operation by default. To keep
4. ``cs_ena_pretrans`` is not compatible with the Command and Address phases of full-duplex transactions.
.. only:: esp32
5. If DMA is enabled, the RX buffer should be word-aligned (starting from a 32-bit boundary and having a length of multiples of 4 bytes). Otherwise, DMA may overwrite the data in the unaligned part.
Application Examples
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