040000 tree 479065c0169fb659df35b8909b0c976937213f78	arch
100644 blob c5a4a3c25d1f65abbccb989003e2d38dcce110bf	hal_bsp.c
100644 blob afa44c14f0c17565e2a5f316cd89c947f3ad0e46	system_stm32f4xx.c