Merge remote-tracking branch 'rainer/master'
spi files (unstable)
spi defunct
Merge remote-tracking branch 'christian/master'
- Corrected speed sensor to use 1/clock cycles measure for rotation
- Implemented speed control and toplevel component for it for testing.
spi running again no delay but transmission erroer random
Merge branch 'master' of github.com:rainerlego/legocar
Added seven-segment debugging output of current speed.
Merge remote-tracking branch 'jan/master'
Merge remote-tracking branch 'origin/master'