registering and unregistering are handled by the non target-specific functions of timer.c
Remove arguments from the new TIMER_START since they are unused by targets
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21553 a1c6a512-1295-4272-9138-f99709370657
* Make current_tick increase
* Convert button driver into SADC driver
* Make touchscreen handling work better (still needs good calibration routine)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18240 a1c6a512-1295-4272-9138-f99709370657