nrf_sdh_enable_request causes restart with custom board

[cann0021]

I have a custom board uses nRF52810. When I flash my board with examples include SoftDevice (sdk 16.0.0) nRF52810 restarts.
I am debugging with oscillascop and seeing that the code stucks on ble_stack_init(), actually nrf_sdh_enable_request(). It returns NRF_SUCCESS but still causes restart The example I am playing is ble_app_uart (peripheral one). I am flashing in pca10040e folder (s112) which is compatible with nRF52810. What is wrong with my board?

• When I switch NRF_SDH_CLOCK_LF_SRC to RC in sdk_config.h, it passes ble_stack_init() but stucks somewhere else.
• The problem occurs with other examples includes SoftDevice as well.

 

[Simonr]

Hi

Have you removed the DEVELOP_IN_NRF52832 and NRFX_COREDEP_DELAY_US_LOOP_CYCLES  defines from the compile flags? This is necessary to make a PCA10040e example run natively on an nRF52810 SoC. It is described in the Infocenter.

Do you have the external clocks on your custom board (see the reference schematics)? X1 is required for the SoftDevice/radio to run at all, and X2 is optional, as you'll need to use the internal RC oscillator or synthesized LF clock instead if you leave it out of your design.

Best regards,

Simon