100644 blob e69de29bb2d1d6434b8b29ae775ad8c2e48c5391	BUILD
040000 tree 3f1f1839b7fe0fcf1bd2d326e097078cdb1c26e5	bus
040000 tree 0416eeeedb1d841689621f4303725feecf2a59b6	chai
040000 tree e4279cd5acfc69469b27371949c46c970d2878cc	common
040000 tree 19461e3958a40246f6c19527025a929ac851c169	kelvin
040000 tree b51ae1ca582e94fe064b5f2236c966fe634e819e	matcha
040000 tree cee49bed82ec3947d35419530bcbf2acc5feea08	peripherals