040000 tree 4629f2c35058cb20f4eb06b143c0d413c76680c1	arduino
100644 blob eebec8b8377cc1fae942dc61ee0173426eb74c47	common_backends.gni
040000 tree 37a9bf14f5a6227c7f9ddc7d0e9937cce3b33e61	host
040000 tree 7875ba03ddaf5cd1198b5e9bb68833f915f87909	stm32f429i-disc1-stm32cube
040000 tree e754092a1fa43e76caf14f07e308e82e21726c04	stm32f429i-disc1
040000 tree e36cda79d83a89ddfa16a523d7af07f09e9cbb4d	stm32f439zi-nucleo