040000 tree dfd674c0396119e58680a2d64a66482bbc2848dc	data_acquisition
040000 tree 435cf154021a7fc09b5176a0c36afc003e8c54dc	data_presentation
040000 tree fd1f15274d28d9e95c6017a0e101a63fc33d1ae6	timer
040000 tree 736bd12a07668f1c13e1779f5fe5cd5b5326bd63	utils