040000 tree 6b6f2f5f6e173f9dfcd1c00b496ed63d362a3e5c	bcm2835
040000 tree ab9c5f47f1964889dbbcf7b81e96320ee988f8cd	pi-blaster
040000 tree d2adfe76e85e1b470fcb90d5fa1733f40c6a424c	python
040000 tree 68cc425d76441f0f7a578db62b6fec60c9207587	raspi-gpio
040000 tree 42a915d4ddc151e30701948126bf05598d8f29da	wiringpi