opensteno_qmk/keyboards/lfkeyboards/lfk78/rules.mk

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# Set the LFK78 hardware version.
#
# B - first public release, uses atmega32u4, has audio, ISSI matrix split between RGB and backlight
# C-H - at90usb1286, no audio, ISSI device 0 is backlight, 4 is RGB
# J - at90usb646, C6 audio, ISSI device 0 is backlight, 4 is RGB
LFK_REV = J
ifeq ($(LFK_REV), B)
MCU = atmega32u4
OPT_DEFS += -DBOOTLOADER_SIZE=4096
else ifeq ($(LFK_REV), J)
MCU = at90usb646
OPT_DEFS += -DBOOTLOADER_SIZE=4096
else
MCU = at90usb1286
OPT_DEFS += -DBOOTLOADER_SIZE=8192
endif
OPT_DEFS += -DLFK_REV_$(LFK_REV)
OPT_DEFS += -DLFK_REV_STRING=\"Rev$(LFK_REV)\"
# Extra source files for IS3731 lighting
SRC = TWIlib.c issi.c lighting.c
# Processor frequency.
F_CPU = 16000000
# Target architecture (see library "Board Types" documentation).
ARCH = AVR8
# Input clock frequency.
F_USB = $(F_CPU)
# Interrupt driven control endpoint task(+60)
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT