040000 tree 84d8f2cc40c462b42c8358db7db91c47003aec80	arch
100644 blob e25affefdadb247804f88b9638cb3b1640eeb0e4	hal_bsp.c
100644 blob e8faa130fe8450c29a3fc928ab16ebc48b555b82	system_stm32f1xx.c