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Thanks for the reply. I can program my custom PCB from the nrf52 but I can't program the on-board nrf52832. It is always looking for Jlink to an external board. What tells the programmer to use on-board nrf52832 and the buttons?

Thanks for the reply. I can program my custom PCB from the nrf52 but I can't program the on-board nrf52832. It is always looking for Jlink to an external board. What tells the programmer to use on-board nrf52832 and the buttons?

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  • I did remove SWD connection. I compiled and it produces the error "Failed to download application. Error during program/erase phase. Please check J-link and target connection. Also, nRF52 DK does not bring up J-link drive anymore for me to test HEX files. I was not abe to run any of the pre-compiled HEX. What do you think about that and How do I reload the firmware if I need to?

    Auto-detection does not work

    Can arm_target_interface_type="SWD" and debug_target_connection="J-Link" help?

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