040000 tree dfd674c0396119e58680a2d64a66482bbc2848dc	data_acquisition
040000 tree 05e65661a162203571ba31b658e42e67a8dab066	data_presentation
040000 tree 620648fc2c8708a3985bdc15975c10067caa5b5c	timer
040000 tree 58e180ccdbfd680f6eafc4c0ec36bd0732c46951	utils