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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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16 | CFLAGS += -Wall -gdwarf-2 -std=gnu99 -DF_CPU=16000000UL -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
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17 | CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
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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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38 | OBJECTS = main.o |
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39 | |||
40 | ## Objects explicitly added by the user |
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41 | LINKONLYOBJECTS = |
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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 | |||
50 | ##Link |
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51 | $(TARGET): $(OBJECTS) |
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52 | $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET) |
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53 | |||
54 | %.hex: $(TARGET) |
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55 | avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@ |
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56 | |||
57 | %.eep: $(TARGET) |
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58 | -avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0 |
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59 | |||
60 | %.lss: $(TARGET) |
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61 | avr-objdump -h -S $< > $@ |
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62 | |||
63 | size: ${TARGET} |
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64 | @echo |
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65 | @avr-size -C --mcu=${MCU} ${TARGET} |
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66 | |||
67 | ## Clean target |
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68 | .PHONY: clean |
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69 | clean: |
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70 | -rm -rf $(OBJECTS) C-OSD.elf dep/* C-OSD.hex C-OSD.eep C-OSD.lss C-OSD.map |
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71 | |||
72 | |||
73 | ## Other dependencies |
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74 | -include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |
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75 |