Jieli Br21 Driver =link= Full

my_br21_project/ ├─ src/ │ ├─ main.c // entry point, RTOS init │ ├─ app_audio.c // audio pipeline glue │ └─ app_ble.c // BLE service implementation ├─ inc/ │ └─ app_cfg.h // compile‑time options ├─ Makefile / CMakeLists.txt └─ jieli_sdk/ // symbolic link to $JIELI_SDK_ROOT

If you are trying to program or "flash" a BR21 chip (likely an AC692x or AC695x series), you will need specific tools from the Jieli-Tech GitHub : jieli br21 driver full