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