It was replaced a few weeks ago by usb_serial, which is a single
file solution, so no submodules are required. Also, a recent
Teensy user reported usb_serial to work much better.
function.
Inline delay functions and change base function to
use __builtin_avr_delay_cycles(). Generated delays
are at least as long as the requested delay and
compensate for the system clock (based on F_CPU).
Delay functions must be called with constant values.
A compile time error is issued if they are not.
Delay.c removed as it is no longer used.
Configured for at90usb1287 and F_CPU=8000000L this is compatible with
the AT90USBKEY. Other boards, chips and frequencies require updating
the configuration in lufa_serial/makefile and possibly adding a Board
driver to the LUFA submodule.