compiling error

[Webmobi]

Error: L6218E: Undefined symbol ble_bas_battery_level_update (referred from main.o) Error: L6218E: Undefined symbol nrf_drv_saadc_buffer_convert (referred from main.o)

[bjorn-spockeli]

You probably need to add nrf_drv_saadc.c to you project. Right click the nRF Drivers folder in the project explorer in KEil, click "Add Existings File to Group" and navigate to \components\drivers_nrf\saadc.