8.2.4.3 Add User Record on Already Programmed Device as Part of Commissioning Step
Perform SWD connect and reset device (through SWD reset or pin reset) to enter SACI
Write user record using SACI_CMD_FLASH_PROG_CCFG_USER_REC. The command fails if the user record is not already blank.
Optionally and if the user record has a CRC32 at the end, the user record integrity can now be checked with SACI_CMD_FLASH_VERIFY_CCFG_SECTOR(identity check).
The device can now be reset/rebooted with SACI_CMD_BLDR_APP_RESET_DEVICE after which the device boots into the application or any configured bootloader.