1 files changed, 58 insertions, 0 deletions
diff --git a/firmware/Makefile b/firmware/Makefile
new file mode 100644
index 0000000..ce1d221
--- /dev/null
+++ b/firmware/Makefile
@@ -0,0 +1,58 @@
+# put your *.o targets here, make should handle the rest!
+CMSIS_PATH 		?= STM32Cube/Drivers/CMSIS
+CMSIS_DEV_PATH  ?= $(CMSIS_PATH)/Device/ST/STM32F0xx
+HAL_PATH   		?= STM32Cube/Drivers/STM32F0xx_HAL_Driver
+
+CC      := arm-none-eabi-gcc
+OBJCOPY := arm-none-eabi-objcopy
+OBJDUMP := arm-none-eabi-objdump
+SIZE    := arm-none-eabi-size
+
+CFLAGS  = -Wall -g -std=gnu11 -Os  
+CFLAGS += -mlittle-endian -mcpu=cortex-m0 -march=armv6-m -mthumb
+#CFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections 
+CFLAGS += -Wl,-Map=main.map
+
+# Technically we're using an STM32F030F4, but apart from the TSSOP20 package that one is largely identical to the
+# STM32F030*6 and there is no separate device header provided for it, so we're faking a *6 device here. This is
+# even documented in stm32f0xx.h. Thanks ST!
+CFLAGS += -DSTM32F030x6 -DHSE_VALUE=16000000
+
+CFLAGS += -Tstm32_flash.ld
+CFLAGS += -I$(CMSIS_DEV_PATH)/Include -I$(CMSIS_PATH)/Include -I$(HAL_PATH)/Inc -Iconfig
+CFLAGS += -L$(CMSIS_PATH)/Lib/GCC -larm_cortexM0l_math
+
+###################################################
+
+.PHONY: program clean
+
+all: main.elf
+
+cmsis_exports.c: $(CMSIS_DEV_PATH)/Include/stm32f030x6.h $(CMSIS_PATH)/Include/core_cm0.h
+	python3 gen_cmsis_exports.py $^ > $@
+
+sources.tar.xz: main.c Makefile
+	tar -caf $@ $^
+
+# don't ask...
+sources.tar.xz.zip: sources.tar.xz
+	zip $@ $^
+
+sources.c: sources.tar.xz.zip
+	xxd -i $< | head -n -1 | sed 's/=/__attribute__((section(".source_tarball"))) =/' > $@
+
+main.elf: main.c startup_stm32f030x6.s system_stm32f0xx.c $(HAL_PATH)/Src/stm32f0xx_ll_utils.c cmsis_exports.c sources.o
+	$(CC) $(CFLAGS) -o $@ $^
+	$(OBJCOPY) -O ihex $@ $(@:.elf=.hex)
+	$(OBJCOPY) -O binary $@ $(@:.elf=.bin)
+	$(OBJDUMP) -St $@ >$(@:.elf=.lst)
+	$(SIZE) $@
+	
+program: main.elf openocd.cfg
+	openocd -f openocd.cfg -c "program $< verify reset exit"
+
+clean:
+	rm -f *.o
+	rm -f main.elf main.hex main.bin main.map main.lst
+	rm -f sources.tar.xz sources.tar.xz.zip
+