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LDSCRIPT = ./ld/ex.ld
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MCUTYPE=__SAMD21J18A__
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print-% : ; @echo $* = $($*)
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BUILD_DIR:=build
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SRC_DIR:=src
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INC_DIR:=inc
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BIN_DIR:=bin
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VERBOSE:=0
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_ATSYM_:=@
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ifeq ($(VERBOSE),1)
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_ATSYM_=
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clean-build:
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else
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_ATSYM_=@
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endif
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# Tools
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CC=arm-none-eabi-g++
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LD=arm-none-eabi-g++
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AR=arm-none-eabi-ar
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AS=arm-none-eabi-as
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ELF=$(BIN_DIR)/main.elf
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INC:=$(sort $(shell find -L . -type f,l \( -name '*.h' -o -name '*.hpp' \) -printf '-I%h ' | sort -u))
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vpath %.c $(sort $(shell find -L ./src -type f,l -name "*.c" -printf '%h\n' | sort -u))
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vpath %.s $(sort $(shell find -L ./src -type f,l -name "*.s" -printf '%h\n' | sort -u))
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vpath %.cpp $(sort $(shell find -L ./src -type f,l -name "*.cpp" -printf '%h\n' | sort -u))
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vpath %.o $(BUILD_DIR)
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|
OBJ_C=$(shell find -L ./src -type f,l -name '*.c')
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OBJ_CPP=$(shell find -L ./src -type f,l -name '*.cpp')
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|
|
OBJ_S=$(shell find -L ./src -type f,l -name '*.s')
|
|
|
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|
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|
|
OBJ:=$(addprefix $(BUILD_DIR)/, $(notdir $(OBJ_C:%.c=%.o)))
|
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|
OBJ+=$(addprefix $(BUILD_DIR)/, $(notdir $(OBJ_CPP:%.cpp=%.o)))
|
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|
|
OBJ+=$(addprefix $(BUILD_DIR)/, $(notdir $(OBJ_S:%.s=%.o)))
|
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|
|
DEPS:=$(OBJ:.o=.d)
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|
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|
|
|
|
|
|
|
LDFLAGS+= -T$(LDSCRIPT) -Wall -mthumb -mcpu=cortex-m0 -Wl,--gc-sections
|
|
|
|
|
CFLAGS+= $(INC) -mcpu=cortex-m0 -mthumb -ggdb -D$(MCUTYPE)
|
|
|
|
|
|
|
|
|
|
.PHONY: all clean-build clean
|
|
|
|
|
|
|
|
|
|
all: $(ELF)
|
|
|
|
|
$(ELF): $(OBJ)
|
|
|
|
|
@mkdir -p $(dir $@)
|
|
|
|
|
@echo "***************"
|
|
|
|
|
@echo "Linking Target: " $@
|
|
|
|
|
@echo "prereq: $(OBJ)"
|
|
|
|
|
$(_ATSYM_)$(LD) $(LDFLAGS) -o $@ $(OBJ) $(LDLIBS)
|
|
|
|
|
|
|
|
|
|
# compile and generate dependency info
|
|
|
|
|
$(BUILD_DIR)/%.o: %.c
|
|
|
|
|
@mkdir -p $(dir $@)
|
|
|
|
|
@echo "***************"
|
|
|
|
|
@echo "Compiling $< ---> $@"
|
|
|
|
|
$(_ATSYM_)$(CC) -c $(CFLAGS) $< -o $@
|
|
|
|
|
@echo "Outputting Dependency from $< ---> "$(BUILD_DIR)/$*.d
|
|
|
|
|
$(_ATSYM_)$(CC) -MM $(CFLAGS) $< > $(BUILD_DIR)/$*.d
|
|
|
|
|
|
|
|
|
|
# compile and generate dependency info
|
|
|
|
|
$(BUILD_DIR)/%.o: %.cpp
|
|
|
|
|
@mkdir -p $(dir $@)
|
|
|
|
|
@echo "***************"
|
|
|
|
|
@echo "Compiling $< ---> $@"
|
|
|
|
|
$(_ATSYM_)$(CC) -c $(CFLAGS) $< -o $@
|
|
|
|
|
@echo "Outputting Dependency from $< ---> "$(BUILD_DIR)/$*.d
|
|
|
|
|
$(_ATSYM_)$(CC) -MM $(CFLAGS) $< > $(BUILD_DIR)/$*.d
|
|
|
|
|
$(BUILD_DIR)/%.o: %.s
|
|
|
|
|
@mkdir -p $(dir $@)
|
|
|
|
|
@echo "***************"
|
|
|
|
|
@echo "Assembling $< ---> $@"
|
|
|
|
|
$(_ATSYM_)$(AS) $< -o $@
|
|
|
|
|
|
|
|
|
|
clean:
|
|
|
|
|
@echo "Cleaning project..."
|
|
|
|
|
$(_ATSYM_)rm -f $(OBJ) $(DEPS)
|
|
|
|
|
$(_ATSYM_)rm -f $(BUILD_DIR)/*.d $(BUILD_DIR)/*.o
|
|
|
|
|
$(_ATSYM_)rm -f $(ELF) .gdb_history
|
|
|
|
|
|
|
|
|
|
clean-build: clean all
|
|
|
|
|
|
|
|
|
|
debug: $(ELF)
|
|
|
|
|
arm-none-eabi-gdb -iex "target extended-remote localhost:3333" $(ELF)
|
|
|
|
|
|
|
|
|
|
# pull in dependencies
|
|
|
|
|
-include $(DEPS)
|
|
|
|
|
|
|
|
|
|
|
