I have a custom board based on RAK3172 but without the serial port pins accesible.
I would like to program it using the SWD port + STM32CubeProgrammer + ST-Link
I have tried to export the binaries from Arduino (Program > Export compiled Binaries) to get an HEX file, but after programming this HEX using STM32CubeProgrammer + ST-Link the program does not seem to start.