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fix(efuse): correct MAC_EXT byte order on ESP32-C5 and ESP32-H21

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A single 16-bit MAC_EXT field was read little-endian, reversing FF:FE
used for IEEE 802.15.4 EUI 64 extension.

Closes https://github.com/espressif/esp-idf/issues/18955
This commit is contained in:
Meet Patel
2026-08-25 13:51:32 +05:30
parent d72f03f0ca
commit 60b843b7ea
3 changed files with 8 additions and 5 deletions
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components/efuse/esp32c5/esp_efuse_table.csv
+2 -1
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@@ -188,7 +188,8 @@ MAC, EFUSE_BLK1, 40, 8, [MAC_FACT
, EFUSE_BLK1, 16, 8, [MAC_FACTORY] MAC address
, EFUSE_BLK1, 8, 8, [MAC_FACTORY] MAC address
, EFUSE_BLK1, 0, 8, [MAC_FACTORY] MAC address
MAC_EXT, EFUSE_BLK1, 48, 16, [] Represents the extended bits of MAC address
MAC_EXT, EFUSE_BLK1, 56, 8, [] Stores the extended bits of MAC address
, EFUSE_BLK1, 48, 8, [] Stores the extended bits of MAC address
WAFER_VERSION_MINOR, EFUSE_BLK1, 64, 4, [] Minor chip version
WAFER_VERSION_MAJOR, EFUSE_BLK1, 68, 2, [] Minor chip version
DISABLE_WAFER_VERSION_MAJOR, EFUSE_BLK1, 70, 1, [] Disables check of wafer version major
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