#
# If no clock division is performed on the input clock inside the AVR (via the
# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
-F_CLOCK = 16000000
+F_CLOCK = $(F_CPU)
# Output format. (can be srec, ihex, binary)
LUFA_OPTS = -D USE_NONSTANDARD_DESCRIPTOR_NAMES
LUFA_OPTS += -D USB_DEVICE_ONLY
LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
-LUFA_OPTS += -D USE_SINGLE_DEVICE_CONFIGURATION
+LUFA_OPTS += -D TOTAL_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"