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| ############################################################################### |
| # Makefile for the project rs485 |
| ############################################################################### |
| |
| ## General Flags |
| PROJECT = rs485 |
| MCU = attiny2313 |
| TARGET = rs485.elf |
| CC = avr-gcc.exe |
| |
| ## Options common to compile, link and assembly rules |
| COMMON = -mmcu=$(MCU) |
| |
| ## Compile options common for all C compilation units. |
| CFLAGS = $(COMMON) |
| CFLAGS += -Wall -gdwarf-2 -DF_CPU=3686400UL -O3 -funsigned-char -funsigned-bitfields |
| CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
| |
| ## Assembly specific flags |
| ASMFLAGS = $(COMMON) |
| ASMFLAGS += $(CFLAGS) |
| ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 |
| |
| ## Linker flags |
| LDFLAGS = $(COMMON) |
| LDFLAGS += |
| |
| |
| ## Intel Hex file production flags |
| HEX_FLASH_FLAGS = -R .eeprom |
| |
| HEX_EEPROM_FLAGS = -j .eeprom |
| HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" |
| HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings |
| |
| |
| ## Libraries |
| LIBS = -lc -lm -lprintf_flt -lprintf_min -lscanf_flt -lscanf_min |
| |
| ## Objects that must be built in order to link |
| OBJECTS = P232.o |
| |
| ## Objects explicitly added by the user |
| LINKONLYOBJECTS = |
| |
| ## Build |
| all: $(TARGET) rs485.hex rs485.eep size |
| |
| ## Compile |
| P232.o: ../P232.c |
| $(CC) $(INCLUDES) $(CFLAGS) -c $< |
| |
| ##Link |
| $(TARGET): $(OBJECTS) |
| $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET) |
| |
| %.hex: $(TARGET) |
| avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ |
| |
| %.eep: $(TARGET) |
| -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0 |
| |
| %.lss: $(TARGET) |
| avr-objdump -h -S $< > $@ |
| |
| size: ${TARGET} |
| @echo |
| @avr-size -C --mcu=${MCU} ${TARGET} |
| |
| ## Clean target |
| .PHONY: clean |
| clean: |
| -rm -rf $(OBJECTS) rs485.elf dep/* rs485.hex rs485.eep |
| |
| ## Other dependencies |
| -include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |
| |