I am somewhat of a beginner - I have successfully built and programmed a "Hello World" example on the nRF5340. However I am having trouble building some of the Bluetooth samples in SES 4.52 (mac OS 10.14.6).
I seem to have issues with un-referenced functions. For example shown below - why is the compiler not seeing the "dk_buttons_and_leds.h" file? I have verified it is located at /Users/Samuel/sourcecode_root/ncs/nrf/include/dk_buttons_and_leds.h ? I am also seeing similar errors with other bluetooth samples.
When I try to build the peripheral_lbs I get the following errors:
Building ?zephyr/zephyr_prebuilt.elf? from solution ?build? in configuration ?Common?
1> Compiling ?empty_file.c?
1> Linking ?zephyr_prebuilt.elf?
1> Memory region Used Size Region Size %age Used
1> FLASH: 95418 B 1 MB 9.10%
1> SRAM: 21508 B 448 KB 4.69%
1> IDT_LIST: 72 B 2 KB 3.52%
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `app_led_cb':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:157: undefined reference to `dk_set_led'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `disconnected':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:68: undefined reference to `dk_set_led_off'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `connected':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:61: undefined reference to `dk_set_led_on'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `button_changed':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:173: undefined reference to `bt_gatt_lbs_send_button_state'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `main':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:197: undefined reference to `dk_leds_init'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `init_button':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:182: undefined reference to `dk_buttons_init'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: app/libapp.a(main.c.obj): in function `main':
1> /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:226: undefined reference to `bt_gatt_lbs_init'
1> /opt/gnuarmemb/bin/../lib/gcc/arm-none-eabi/8.3.1/../../../../arm-none-eabi/bin/ld: /Users/Samuel/sourcecode_root/ncs/nrf/samples/bluetooth/peripheral_lbs/build_nrf5340_dk_nrf5340_cpuapp/../src/main.c:242: undefined reference to `dk_set_led'
1> collect2: error: ld returned 1 exit status
Build failed