77 lines
1.5 KiB
Makefile
77 lines
1.5 KiB
Makefile
CROSS_COMPILE ?= avr-
|
|
|
|
TARGET_FILE ?= avr.elf
|
|
|
|
MCU = attiny85
|
|
|
|
C_FLAGS += -Wall -Werror
|
|
C_FLAGS += -Os
|
|
C_FLAGS += -mmcu=$(MCU)
|
|
C_FLAGS += -ffunction-sections
|
|
C_FLAGS += -fdata-sections
|
|
C_FLAGS += -std=c11
|
|
C_FLAGS += -pedantic
|
|
C_FLAGS += -pedantic-errors
|
|
C_FLAGS += -Iinclude
|
|
|
|
LD_FLAGS += -mmcu=$(MCU)
|
|
|
|
DUDE_FLAGS = -p $(MCU)
|
|
DUDE_FLAGS += -P /dev/spidev0.0
|
|
DUDE_FLAGS += -c linuxspi
|
|
DUDE_FLAGS += -b 10000
|
|
|
|
CC = $(CROSS_COMPILE)gcc
|
|
AS = $(CROSS_COMPILE)as
|
|
LD = $(CROSS_COMPILE)ld
|
|
OBJCOPY = $(CROSS_COMPILE)objcopy
|
|
SIZE = $(CROSS_COMPILE)size
|
|
AVRDUDE = avrdude
|
|
|
|
OBJ_DIR := objs
|
|
BIN_DIR := bin
|
|
SRC_DIR := src
|
|
|
|
C_SRCS = $(wildcard $(SRC_DIR)/*.c)
|
|
C_OBJS = $(patsubst %.c,$(OBJ_DIR)/%.o,$(notdir $(C_SRCS)))
|
|
|
|
OBJS = $(C_OBJS)
|
|
TARGET = $(BIN_DIR)/$(TARGET_FILE)
|
|
|
|
.PHONY: all
|
|
all: $(TARGET)
|
|
|
|
$(TARGET): $(OBJS) Makefile
|
|
@mkdir -p $(BIN_DIR)
|
|
$(CC) $(LD_FLAGS) $(LINKER_SCRIPT) $(OBJS) $(LD_LIBS) -o $@ -Wl,-Map=$(BIN_DIR)/$(notdir $(basename $@)).map
|
|
$(OBJCOPY) -O ihex $(TARGET) $(subst .elf,.hex,$(TARGET))
|
|
$(SIZE) $@
|
|
|
|
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
|
|
@mkdir -p $(dir $@)
|
|
@$(call makedep,$<,$@,$(patsubst %.c,%.d,$(OBJ_DIR)/$(notdir $<)),$(C_FLAGS))
|
|
$(CC) -c $(C_FLAGS) -o $@ $<
|
|
|
|
.PHONY: clean
|
|
clean:
|
|
rm -rf \
|
|
$(OBJS) \
|
|
$(patsubst %.o,%.d,$(OBJS)) \
|
|
$(TARGET) \
|
|
$(subst .elf,.map,$(TARGET)) \
|
|
$(subst .elf,.hex,$(TARGET))
|
|
|
|
.PHONY: flash
|
|
flash: $(TARGET)
|
|
gpio 22 off
|
|
$(AVRDUDE) $(DUDE_FLAGS) -U flash:w:$(subst .elf,.hex,$(TARGET))
|
|
gpio 22 on
|
|
|
|
define makedep
|
|
$(CC) -MM -MF $3 -MP -MT $2 $4 $1
|
|
endef
|
|
|
|
ifneq ($(MAKECMDGOALS),clean)
|
|
-include $($(subst .o,.d,$(OBJS))
|
|
endif
|