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040000 tree 605fd60307e6375cea38560260b8e9f53115b313	esp32
040000 tree 0a3aadab1c97d77acb8dcc55bf7612ff0007d56f	linux-cirque
040000 tree b0209ecda83ae69172f20034a11153f25cb64a37	mbed
040000 tree ebb925d4202ab55ca99de25132c48090b1037b72	nrfconnect
040000 tree ac27e1c3722a136f44a5d9906d1bc0d314ff7591	openiotsdk
040000 tree 8107d074caefeb69169ff6206f2df6d1ce1458b8	tizen