# Enable Console and printk for logging CONFIG_CONSOLE=y CONFIG_LOG=y # Disable UART console CONFIG_UART_CONSOLE=n # Enable RTT console CONFIG_RTT_CONSOLE=y CONFIG_USE_SEGGER_RTT=y # Enable Shell CONFIG_SHELL=y CONFIG_SHELL_BACKEND_RTT=y CONFIG_REBOOT=y # Enable Settings Subsystem CONFIG_SETTINGS=y CONFIG_SETTINGS_NVS=y CONFIG_NVS=y CONFIG_FLASH=y CONFIG_FLASH_MAP=y CONFIG_FLASH_PAGE_LAYOUT=y CONFIG_SETTINGS_LOG_LEVEL_DBG=y # Config modbus CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_MODBUS=y CONFIG_MODBUS_ROLE_SERVER=y CONFIG_MODBUS_BUFFER_SIZE=256