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Posted to commits@nuttx.apache.org by "JianyuWang0623 (via GitHub)" <gi...@apache.org> on 2026/03/20 04:41:40 UTC

[PR] boards/xtensa/esp32s3: fix WiFi init by using CONFIG_ESPRESSIF_WIFI [nuttx]

JianyuWang0623 opened a new pull request, #18567:
URL: https://github.com/apache/nuttx/pull/18567

   ## Summary
   
   The WiFi driver refactor (commit 662c1e0bbb7) renamed the Kconfig symbol from `CONFIG_ESPRESSIF_WLAN` to `CONFIG_ESPRESSIF_WIFI`, but several ESP32-S3 board bringup files were not updated accordingly. This caused `board_wlan_init()` to be compiled out by the preprocessor, so the `wlan0` network interface never appeared at runtime.
   
   This patch updates the `#ifdef` guards in all affected ESP32-S3 board bringup files from `CONFIG_ESPRESSIF_WLAN` to `CONFIG_ESPRESSIF_WIFI`:
   
   - `boards/xtensa/esp32s3/esp32s3-box/src/esp32s3_bringup.c`
   - `boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c`
   - `boards/xtensa/esp32s3/esp32s3-korvo-2/src/esp32s3_bringup.c`
   - `boards/xtensa/esp32s3/esp32s3-lcd-ev/src/esp32s3_bringup.c`
   - `boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3_bringup.c`
   
   Each file has two occurrences replaced: one guarding the `#include "esp32s3_board_wlan.h"` and one guarding the `board_wlan_init()` call in `esp32s3_bringup()`.
   
   ## Impact
   
   - Users who enable WiFi on the affected ESP32-S3 boards will now correctly get the `wlan0` interface registered during bringup.
   - No impact on boards that do not enable `CONFIG_ESPRESSIF_WIFI`.
   - No API, build system, or documentation changes. Pure bug fix for a Kconfig symbol rename that was missed in these files.
   
   ## Testing
   
   Host: Linux x86_64
   
   Board: lckfb-szpi-esp32s3 (ESP32-S3)
   
   Steps:
   1. Configure with a WiFi-enabled defconfig (`CONFIG_ESPRESSIF_WIFI=y`).
   2. Build: `make -j$(nproc)`
   3. Flash: `esptool.py -p /dev/ttyUSB0 -b 921600 write_flash 0x0 nuttx.bin`
   4. Boot and verify `wlan0` interface is present via `ifconfig`.
   
   Before this patch, `board_wlan_init()` was never called and `ifconfig` showed no `wlan0`. After this patch, `wlan0` appears correctly.


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Re: [PR] boards/xtensa/esp32s3: fix WiFi init by using CONFIG_ESPRESSIF_WIFI [nuttx]

Posted by "michallenc (via GitHub)" <gi...@apache.org>.
michallenc merged PR #18567:
URL: https://github.com/apache/nuttx/pull/18567


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