i want build this example.platformio\packages\framework-esp8266-rtos-sdk\examples\smart_config
but something error.
Processing esp12e (platform: espressif8266; board: esp12e; framework: esp8266-rtos-sdk)
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/espressif8266/esp12e.html
PLATFORM: Espressif 8266 (4.0.1) > Espressif ESP8266 ESP-12E
HARDWARE: ESP8266 80MHz, 80KB RAM, 4MB Flash
PACKAGES:
- framework-esp8266-rtos-sdk @ 1.5.0-beta.5
- tool-esptool @ 1.413.0 (4.13)
- tool-esptoolpy @ 1.30000.201119 (3.0.0)
- toolchain-xtensa @ 1.40802.0 (4.8.2)
LDF: Library Dependency Finder -> https://bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 3 compatible libraries
Scanning dependencies...
No dependencies
Building in release mode
Linking .pio\build\esp12e\firmware.elf
.pio\build\esp12e\src\main.o:(.irom0.text+0x3c): undefined reference to `airkiss_lan_recv'
.pio\build\esp12e\src\main.o:(.irom0.text+0x44): undefined reference to `airkiss_lan_pack'
.pio\build\esp12e\src\main.o: In function `airkiss_wifilan_recv_callbk':
main.c:(.irom0.text+0x6e): undefined reference to `airkiss_lan_recv'
main.c:(.irom0.text+0xfb): undefined reference to `airkiss_lan_pack'
.pio\build\esp12e\src\main.o: In function `smartconfig_task':
main.c:(.irom0.text+0x20e): undefined reference to `airkiss_lan_pack'
collect2.exe: error: ld returned 1 exit status
*** [.pio\build\esp12e\firmware.elf] Error 1
=========================================================================== [FAILED] Took 1.36 seconds ===========================================================================
i think this function is in “libairkiss.a”,how can i add it to include path