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100644 blob 00c4edfc1fce92a336ea842ccb89d51a0fa8b360	common_backends.gni
040000 tree 2d38cd2fa472480379ec84df26aa6d86d2b88f91	host
040000 tree 6e38cca89d3cb3ffb8384f7ac9c3e847d4cb6380	stm32f429i_disc1
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040000 tree 36e098e03c298e4f93c3134e6a22ea3b4341e993	stm32f439zi_nucleo