040000 tree bfdf1665e1ded560b4a3b206ecd99c9ae76d0354	arch
100644 blob eb2e56ed97c90bcb0e5fe728be0b641f90eeb5d9	hal_bsp.c
100644 blob a2fa9c5dc41514331e5763e1939f79c64e85e266	system_stm32f4xx.c