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Merge branch 'feature/support_uart_sleep_retention_v5.3' into 'release/v5.3'

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feat(uart): support uart module sleep retention (v5.3)

See merge request espressif/esp-idf!32464
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morris
2024-07-31 22:07:59 +08:00
parent fe810983c4 753fe53fab
commit e566ffffcb
65 changed files with 706 additions and 274 deletions
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docs/en/api-reference/peripherals/uart.rst
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@@ -68,6 +68,10 @@ Call the function :cpp:func:`uart_param_config` and pass to it a :cpp:type:`uart
For more information on how to configure the hardware flow control options, please refer to :example:`peripherals/uart/uart_echo`.
.. only:: SOC_UART_SUPPORT_SLEEP_RETENTION
Additionally, :cpp:member:`uart_config_t::backup_before_sleep` can be set to enable the backup of the UART configuration registers before entering sleep and restore these registers after exiting sleep. This allows the UART to continue working properly after waking up even when the UART module power domain is entirely off during sleep. This option implies an balance between power consumption and memory usage. If the power consumption is not a concern, you can disable this option to save memory.
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