040000 tree 45e15f72b2db3dcd9d88b9fbbc3d1baebe32d9ee	hello_usbdev
040000 tree cd7432b49785cb44bda5e796c1ee312a929ae151	hello_world
100644 blob fe95ea4176d928fd4cf43f74df7761b3acb8a7d4	meson.build