esp-idf/docs/zh_CN/migration-guides/release-5.x/5.2/peripherals.rst

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外设
============
:link_to_translation:`en:[English]`
.. only:: SOC_UART_SUPPORTED
UART
----
- :c:macro:`UART_FIFO_LEN` 已弃用,更新为 :c:macro:`UART_HW_FIFO_LEN`