Linking ble_app undefined reference to ...

[ndarkness]

HEllo,

I am facing and issue with undefined references for the linker. The compiler is able to compile, but I get linker errors like these

.../pca10040/s132/arm4/_build/ble_app_hrs_pca10040_s132.elf does not exist.Generating linker script ‘ble_app_hrs_pca10040_s132.ld’ Linking ble_app_hrs_pca10040_s132.elf

Output/ble_app_hrs_pca10040_s132 nrf52832_xxaa/Obj/d_batt_meas.o: In functionsaadc_event_handler_interrupt':undefined reference toapp_sched_event_put'

Output/ble_app_hrs_pca10040_s132 nrf52832_xxaa/Obj/d_batt_meas.o: In functionm_batt_meas_init': undefined reference togpiote_init'

Build failed

The weird thing is that the indexer can find such a functions/methods but the linker not. I have the files nrf_drv_saadc.c and nrf_dvr_gpiote.c under my directory folder drivers as can be seen here

What am I doing wrong?

[Roger Clark]

Check that the c files don't have #ifdef etc, at the top.

Nordic use, what I find a strange system, where sdk_config.h is used to turn on or off, which functional blocks or services that get built into your application.

I have not noticed this with timers, it it is definitely used for the common services, and thinks like the WDT

So.. Look in sdk_config.h and see if you need to enable this feature.

PS. I really wish Nordic did not do this think with sdk_config.h ;-)

[ndarkness]

But how does it work with my own functions, I have now the same issue with a library that I have created by myself. I am trying to use a method that the compiler can find but still the linker complains that it cannot find it. I have place the .c under the nRF_Libraries folder and include the path as well in the preprocessor field...

[Sigurd]

Hi,

Make sure that you have APP_SCHEDULER_ENABLED and GPIOTE_ENABLED set to 1 in sdk_config.h