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fix(doc): Update MAC-address related documentation for ESP32-P4

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Closes https://github.com/espressif/esp-idf/issues/18159
This commit is contained in:
Konstantin Kondrashov
2026-03-06 14:28:32 +02:00
committed by Konstantin Kondrashov
parent 46ee782a21
commit 690256b982
2 changed files with 18 additions and 4 deletions
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components/esp_hw_support/port/esp32p4/Kconfig.mac
+2 -3
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@@ -10,9 +10,8 @@ choice ESP32P4_UNIVERSAL_MAC_ADDRESSES
If the number of universal MAC addresses is one, only Ethernet interface receives a universally If the number of universal MAC addresses is one, only Ethernet interface receives a universally
administered MAC address. It's generated by adding 0 to the base MAC address. administered MAC address. It's generated by adding 0 to the base MAC address.
When using the default (Espressif-assigned) base MAC address, either setting can be used. When using On ESP32-P4 this value is fixed to one, because only Ethernet receives a universally administered
a custom universal MAC address range, the correct setting will depend on the allocation of MAC MAC address.
addresses in this range.
config ESP32P4_UNIVERSAL_MAC_ADDRESSES_ONE config ESP32P4_UNIVERSAL_MAC_ADDRESSES_ONE
bool "One" bool "One"
docs/en/api-reference/system/misc_system_api.rst
+16 -1
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@@ -39,7 +39,22 @@ To fetch the MAC address for a specific network interface (e.g., Wi-Fi, Bluetoot
In ESP-IDF, the MAC addresses for the various network interfaces are calculated from a single **base MAC address**. By default, the Espressif base MAC address is used. This base MAC address is pre-programmed into the {IDF_TARGET_NAME} eFuse in the factory during production. In ESP-IDF, the MAC addresses for the various network interfaces are calculated from a single **base MAC address**. By default, the Espressif base MAC address is used. This base MAC address is pre-programmed into the {IDF_TARGET_NAME} eFuse in the factory during production.
.. only:: not esp32s2 .. only:: esp32p4
.. list-table::
:widths: 20 80
:header-rows: 1
* - Interface
- MAC Address (1 universally administered, default)
* - Ethernet
- base_mac
.. note::
On ESP32-P4, :ref:`CONFIG_{IDF_TARGET_CFG_PREFIX}_UNIVERSAL_MAC_ADDRESSES` is fixed to one universally administered MAC address.
.. only:: (not esp32s2) and (not esp32p4)
.. list-table:: .. list-table::
:widths: 20 40 40 :widths: 20 40 40