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esp_base_mac_addr_set() function
@endcond Set base MAC address with the MAC address which is stored in BLK3 of EFUSE or external storage e.g. flash and EEPROM. Base MAC address is used to generate the MAC addresses used by network interfaces. If using a custom base MAC address, call this API before initializing any network interfaces. Refer to the ESP-IDF Programming Guide for details about how the Base MAC is used.
Syntax
Implemented in ![]()
mac_addr.c:164
Return value
ESP_OK on success ESP_ERR_INVALID_ARG If mac is NULL or is not a unicast MAC
Notes
Base MAC must be a unicast MAC (least significant bit of first byte must be zero). If not using a valid OUI, set the "locally administered" bit (bit value 0x02 in the first byte) to avoid collisions.