CONFIG_LOG=y CONFIG_LOG_DEFAULT_LEVEL=3 CONFIG_LOG_SETTINGS_LEVEL=4 CONFIG_LOG_CAN_LEVEL=4 CONFIG_CBPRINTF_FP_SUPPORT=y CONFIG_UART_CONSOLE=y # Console on USART1 #CONFIG_RTT_CONSOLE=y #CONFIG_USE_SEGGER_RTT=y CONFIG_LOOPBACK_MODE=y