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CPU = cortex-m4
MCU = MK20DX256
TARGET_ARCH = -mcpu=$(CPU) -mthumb
AS = arm-none-eabi-as
CC = arm-none-eabi-gcc
OBJCOPY = arm-none-eabi-objcopy
XXD = xxd
HKTOOL = hktool $(MCU)
WARNINGS = -Wpointer-arith -Wcast-align -Wformat=2 \
-Wsuggest-attribute=format -Wall \
-Wextra -Wpedantic -Winit-self -Wshadow -Wcast-qual \
-Wstrict-prototypes -Wmissing-prototypes
CFLAGS = -std=c11 $(WARNINGS) -O2 -flto -MMD -MP -ffreestanding -nostdlib -Ilib
LDFLAGS = -T layout.ld -O2 -flto -ffreestanding -nostdlib
ASFLAGS = $(TARGET_ARCH)
OBJ := crt0.o vectors.o flashconf.o setup.o fmk.o lib/string.o lib/le.o usb/usb.o usb/endpt0.o usb/endpt1.o
%.bin: %
$(OBJCOPY) -O binary $< $@
%.xxo: %.xxd
awk '{print $$1}' $< | $(XXD) -r -p -c1 >$@
%.xxh: %.xxo
$(XXD) -i $< | sed -e 's/_xxo//' >$@
all: fmk.bin
fmk: $(OBJ)
flash: fmk.bin
hktool 0x40000 1024 64 0 $<
hktool -r
clean:
$(RM) $(OBJ) $(OBJ:.o=.d) $(wildcard usb/*.xxh) fmk fmk.bin
-include $(OBJ:.o=.d)
usb/endpt0.o: usb/ds_dev.xxh usb/ds_conf.xxh usb/ds_lang.xxh usb/ds_str1.xxh
.PHONY: all flash clean
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