Makefile

CMSIS_PATH=/mnt/c/path/to/cmsis-device-samd51

CC=arm-none-eabi-gcc
OBJCOPY=arm-none-eabi-objcopy
SIZE=arm-none-eabi-size

CFLAGS=-mcpu=cortex-m4 -mthumb -O0 -g -Wall -ffunction-sections -fdata-sections
CFLAGS+=-iquote ./include -DSAMD51J20A
LDFLAGS=-T linker.ld -nostartfiles -Wl,--gc-sections
LDFLAGS+=-Wl,--print-memory-usage

TARGET=blink
SOURCES=main.c startup_samd51.c
OBJECTS=$(SOURCES:.c=.o)

all: $(TARGET).elf $(TARGET).hex $(TARGET).bin

$(TARGET).elf: $(OBJECTS)
	$(CC) $(CFLAGS) $(OBJECTS) $(LDFLAGS) -o $@
	$(SIZE) $@

$(TARGET).hex: $(TARGET).elf
	$(OBJCOPY) -O ihex $< $@

$(TARGET).bin: $(TARGET).elf
	$(OBJCOPY) -O binary $< $@

%.o: %.c
	$(CC) $(CFLAGS) -c $< -o $@

clean:
	rm -f $(OBJECTS) $(TARGET).elf $(TARGET).hex $(TARGET).bin

flash: $(TARGET).hex
	"C:\Program Files\Microchip\MPLABX\v6.25\mplab_platform\mplab_ipe\ipecmd.exe" -P ATSAMD51J20A -F $(TARGET).hex -M

.PHONY: all clean flash