Undefined symbol nrf_drv_adc_sample_convert

[james tech]

I am getting following errors when compiling source code in Keil-5. Any one suggest me what i am missing to define symbol?

linking... ._build\nrf51422_xxac.axf: Error: L6218E: Undefined symbol nrf_drv_adc_sample_convert (referred from main.o). Not enough information to list image symbols.

[Sigurd]

Hi,

What SDK version are you using?

[james tech]

i'm using the SDK 12.3.0

[Sigurd]

Do you have ADC_ENABLED set to 1 in sdk_config.h ?

[Sigurd]

Also note that you can configure the sdk_config.h using the "Configuration Wizard" :

[james tech]

no because in fact i'm trying to add ADC to another project(pin_change_int) so i can't find set ADC_Enabled