unit-test: looping back
experiment with sw reset
testing serialUSB
add xbee include dir
checksum utilities
testing checksum util
Merge branch 'test-checksum' into xbee_unit-test
ignore built tmp-files
serial port access
creating communication packet
Merge branch 'packeting' into xbee_unit-test
Merge pull request #3 from tttor/unit-test_xbee

Unit test xbee.
Notice (e.g. when reading the commit log) that in the past the branch unit-test_xbee was named xbee_unit-test.