fatal error: esp_nimble_hci.h: No such file or directory (IDFGH-13110)

[zzzh]

Answers checklist.

• [X] I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• [X] I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• [X] I have searched the issue tracker for a similar issue and not found a similar issue.

IDF version.

v5.2.1

Operating System used.

Linux

How did you build your project?

Command line with idf.py

If you are using Windows, please specify command line type.

None

What is the expected behavior?

no error

What is the actual behavior?

fatal error: esp_nimble_hci.h: No such file or directory

Steps to reproduce.

1. include "esp_nimble_hci.h" in a c file.

2. idf.py set-target esp32c2
3. idf.py menuconfig, enable vluetooth and select NimBLE - BLE only
4. idf.py build

Build or installation Logs.

../main/ble1.c:22:10: fatal error: esp_nimble_hci.h: No such file or directory
   22 | #include "esp_nimble_hci.h"
      |          ^~~~~~~~~~~~~~~~~~
compilation terminated.

More Information.

No response

[rahult-github]

Hi @zzzh ,

include "esp_nimble_hci.h" in a c file.

This step is incorrect. May i know why you are explicitly including this file ? The VHCI interface is not used in esp32c2 and hence this file won't be found during compilation for esp32c2.