040000 tree 504d6249a0fc75987a16f4d436875528192796e3	arch
100644 blob 4f9d35da237ae5e0fbdc5183205563769743b66a	hal_bsp.c
100644 blob a2fa9c5dc41514331e5763e1939f79c64e85e266	system_stm32f4xx.c