STM32F3xx-USB_CDC org.eclipse.cdt.managedbuilder.core.genmakebuilder clean,full,incremental, org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder full,incremental, org.eclipse.cdt.core.cnature org.eclipse.cdt.managedbuilder.core.managedBuildNature org.eclipse.cdt.managedbuilder.core.ScannerConfigNature board 2 CHIBIOS/boards/ST_STM32F3_DISCOVERY os 2 CHIBIOS/os test 2 CHIBIOS/test