2018-03-07 16:06:25 +00:00
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# configurables
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2018-03-07 23:01:27 +00:00
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OBJS := startup.o
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2018-03-07 16:06:25 +00:00
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TARGET := blink
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OBJS += $(TARGET).o
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# targets
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ELF := $(TARGET).elf
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BIN := $(TARGET).bin
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# toolchain setup
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ARMTC := arm-none-eabi
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2018-03-07 23:01:27 +00:00
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AS := $(ARMTC)-as
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CC := $(ARMTC)-gcc
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CXX := $(ARMTC)-g++
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LD := $(ARMTC)-ld
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2018-03-07 16:06:25 +00:00
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ARMSIZE := $(ARMTC)-size
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OBJCOPY := $(ARMTC)-objcopy
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2018-03-08 19:31:00 +00:00
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PAGER ?= less
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OPENOCD ?= /usr/share/openocd
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2018-03-07 16:06:25 +00:00
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# compiler options
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CPUFLAGS := -mcpu=cortex-m3 -mthumb
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CFLAGS := -Wall -Wextra -Os -MD $(CPUFLAGS)
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2018-03-07 23:01:27 +00:00
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CXXFLAGS := $(CFLAGS) -std=c++14 -fno-rtti -fno-exceptions -ffunction-sections -fdata-sections -fno-builtin
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2018-03-07 16:06:25 +00:00
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LDFLAGS := $(CPUFLAGS) -nostartfiles -Wl,-T,stm32f103.ld
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LDLIBS := -lc -lnosys
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# programmer options
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STARTMEM := 0x8000000
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2018-03-08 19:31:00 +00:00
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### build targets ###
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2018-03-07 16:06:25 +00:00
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.PHONY: all
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all: $(BIN)
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$(ELF): $(OBJS)
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2018-03-07 23:01:27 +00:00
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$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LDLIBS)
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2018-03-07 23:55:54 +00:00
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$(ARMSIZE) $@
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2018-03-07 16:06:25 +00:00
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$(BIN): $(ELF)
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$(OBJCOPY) -O binary $< $@
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2018-03-08 19:31:00 +00:00
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.PHONY: clean
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clean:
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rm -f *.o *.bin *.elf *.d *.map
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### programming targets ###
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2018-03-07 16:06:25 +00:00
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.PHONY: flash
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flash: $(BIN)
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st-flash write $(BIN) $(STARTMEM)
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.PHONY: erase
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erase:
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st-flash erase
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2018-03-08 19:31:00 +00:00
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.PHONY: reset
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reset:
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st-flash reset
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2018-03-07 16:06:25 +00:00
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.PHONY: install
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2018-03-08 19:31:00 +00:00
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install: erase flash reset
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2018-03-07 16:06:25 +00:00
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2018-03-08 19:31:00 +00:00
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### miscellaneous targets ###
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.PHONY: disass
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disass: $(ELF)
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$(ARMTC)-objdump -D $(ELF) | $(PAGER)
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.PHONY: dump
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dump: $(ELF)
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$(ARMTC)-objdump -D $(ELF) > $(TARGET).dump
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2018-03-07 16:06:25 +00:00
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2018-03-08 19:31:00 +00:00
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.PHONY: ocd
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ocd:
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openocd -f $(OPENOCD)/scripts/interface/stlink-v2.cfg -f $(OPENOCD)/scripts/target/stm32f1x.cfg
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