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| Rev | Author | Line No. | Line |
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| 321 | cascade | 1 | ############################################################################### |
| 2 | # Makefile for the project C-OSD |
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| 3 | ############################################################################### |
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| 4 | |||
| 5 | ## General Flags |
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| 6 | PROJECT = C-OSD |
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| 7 | MCU = atmega162 |
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| 8 | TARGET = C-OSD.elf |
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| 9 | CC = avr-gcc |
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| 10 | |||
| 11 | ## Options common to compile, link and assembly rules |
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| 12 | COMMON = -mmcu=$(MCU) |
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| 13 | |||
| 14 | ## Compile options common for all C compilation units. |
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| 15 | CFLAGS = $(COMMON) |
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| 349 | cascade | 16 | CFLAGS += -Wall -gdwarf-2 -std=gnu99 -DF_CPU=16000000UL -O2 -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
| 346 | cascade | 17 | CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
| 321 | cascade | 18 | |
| 19 | ## Assembly specific flags |
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| 20 | ASMFLAGS = $(COMMON) |
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| 21 | ASMFLAGS += $(CFLAGS) |
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| 22 | ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2 |
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| 23 | |||
| 24 | ## Linker flags |
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| 25 | LDFLAGS = $(COMMON) |
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| 26 | LDFLAGS += -Wl,-Map=C-OSD.map |
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| 27 | |||
| 28 | |||
| 29 | ## Intel Hex file production flags |
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| 30 | HEX_FLASH_FLAGS = -R .eeprom -R .fuse -R .lock -R .signature |
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| 31 | |||
| 32 | HEX_EEPROM_FLAGS = -j .eeprom |
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| 33 | HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load" |
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| 34 | HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0 --no-change-warnings |
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| 35 | |||
| 36 | |||
| 37 | ## Objects that must be built in order to link |
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| 389 | cascade | 38 | OBJECTS = main.o usart1.o max7456_software_spi.o osd_helpers.o |
| 321 | cascade | 39 | |
| 40 | ## Objects explicitly added by the user |
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| 346 | cascade | 41 | LINKONLYOBJECTS = |
| 321 | cascade | 42 | |
| 43 | ## Build |
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| 44 | all: $(TARGET) C-OSD.hex C-OSD.eep C-OSD.lss size |
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| 45 | |||
| 46 | ## Compile |
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| 47 | main.o: ../main.c |
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| 48 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
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| 49 | |||
| 346 | cascade | 50 | usart1.o: ../usart1.c |
| 51 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
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| 349 | cascade | 52 | |
| 346 | cascade | 53 | max7456_software_spi.o: ../max7456_software_spi.c |
| 54 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
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| 349 | cascade | 55 | |
| 389 | cascade | 56 | osd_helpers.o: ../osd_helpers.c |
| 57 | $(CC) $(INCLUDES) $(CFLAGS) -c $< |
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| 58 | |||
| 321 | cascade | 59 | ##Link |
| 60 | $(TARGET): $(OBJECTS) |
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| 61 | $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET) |
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| 62 | |||
| 63 | %.hex: $(TARGET) |
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| 64 | avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ |
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| 65 | |||
| 66 | %.eep: $(TARGET) |
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| 67 | -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0 |
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| 68 | |||
| 69 | %.lss: $(TARGET) |
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| 70 | avr-objdump -h -S $< > $@ |
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| 71 | |||
| 72 | size: ${TARGET} |
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| 73 | @echo |
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| 74 | @avr-size -C --mcu=${MCU} ${TARGET} |
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| 75 | |||
| 76 | ## Clean target |
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| 77 | .PHONY: clean |
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| 78 | clean: |
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| 79 | -rm -rf $(OBJECTS) C-OSD.elf dep/* C-OSD.hex C-OSD.eep C-OSD.lss C-OSD.map |
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| 80 | |||
| 81 | |||
| 82 | ## Other dependencies |
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| 349 | cascade | 83 | -include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |