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- ##########------------------------------------------------------##########
- ########## Project-specific Details ##########
- ########## Check these every time you start a new project ##########
- ########## Book Make: AVR Programming ##########
- ########## https://github.com/hexagon5un/AVR-Programming ##########
- ##########------------------------------------------------------##########
- MCU = atmega328p
- F_CPU = 1000000
- BAUD = 9600
- ## Also try BAUD = 19200 or 38400 if you're feeling lucky.
- ## This is where your main() routine lives
- #MAIN = Serial_HC595_v1.c
- #MAIN = Serial_HC595_v2.c
- MAIN = Serial_HC595_v3.c
- ## If you've split your program into multiple .c / .h files,
- ## include the additional source (in same directory) here
- LOCAL_SOURCE =
- ## Here you can link to one more directory (and multiple .c files)
- #EXTRA_SOURCE_DIR = ../../AVR-Programming-Library/
- EXTRA_SOURCE_DIR =
- EXTRA_SOURCE_FILES =
- ##########------------------------------------------------------##########
- ########## Programmer Defaults ##########
- ########## Set up once, then forget about it ##########
- ########## (Can override. See bottom of file.) ##########
- ##########------------------------------------------------------##########
- PROGRAMMER_TYPE = usbasp
- # extra arguments to avrdude: baud rate, chip type, -F flag, etc.
- PROGRAMMER_ARGS = -b 19200 -P /dev/ttyACM0
- ##########------------------------------------------------------##########
- ########## Makefile Magic! ##########
- ########## Summary: ##########
- ########## We want a .hex file ##########
- ########## Compile source files into .elf ##########
- ########## Convert .elf file into .hex ##########
- ########## You shouldn't need to edit below. ##########
- ##########------------------------------------------------------##########
- ## Defined programs / locations
- CC = avr-gcc
- OBJCOPY = avr-objcopy
- OBJDUMP = avr-objdump
- AVRSIZE = avr-size
- AVRDUDE = avrdude
- ## Compilation options, type man avr-gcc if you're curious.
- CFLAGS = -mmcu=$(MCU) -DF_CPU=$(F_CPU)UL -DBAUD=$(BAUD) -Os -I. -I$(EXTRA_SOURCE_DIR)
- CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
- CFLAGS += -Wall -Wstrict-prototypes
- CFLAGS += -g -ggdb
- CFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections -Wl,--relax
- CFLAGS += -std=gnu99
- ## CFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf
- ## CFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf
- ## Lump target and extra source files together
- TARGET = $(strip $(basename $(MAIN)))
- SRC = $(TARGET).c
- EXTRA_SOURCE = $(addprefix $(EXTRA_SOURCE_DIR), $(EXTRA_SOURCE_FILES))
- SRC += $(EXTRA_SOURCE)
- SRC += $(LOCAL_SOURCE)
- ## List of all header files
- HEADERS = $(SRC:.c=.h)
- ## For every .c file, compile an .o object file
- OBJ = $(SRC:.c=.o)
- ## Generic Makefile targets. (Only .hex file is necessary)
- all: $(TARGET).hex
- %.hex: %.elf
- $(OBJCOPY) -R .eeprom -O ihex $< $@
- %.elf: $(SRC)
- $(CC) $(CFLAGS) $(SRC) --output $@
- %.eeprom: %.elf
- $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
- debug:
- @echo
- @echo "Source files:" $(SRC)
- @echo "MCU, F_CPU, BAUD:" $(MCU), $(F_CPU), $(BAUD)
- @echo
- # Optionally create listing file from .elf
- # This creates approximate assembly-language equivalent of your code.
- # Useful for debugging time-sensitive bits,
- # or making sure the compiler does what you want.
- disassemble: $(TARGET).lst
- disasm: disassemble
- eeprom: $(TARGET).eeprom
- %.lst: %.elf
- $(OBJDUMP) -S $< > $@
- # Optionally show how big the resulting program is
- size: $(TARGET).elf
- $(AVRSIZE) -C --mcu=$(MCU) $(TARGET).elf
- clean:
- rm -f $(TARGET).elf $(TARGET).hex $(TARGET).obj \
- $(TARGET).o $(TARGET).d $(TARGET).eep $(TARGET).lst \
- $(TARGET).lss $(TARGET).sym $(TARGET).map $(TARGET)~ \
- $(TARGET).eeprom
- squeaky_clean:
- rm -f *.elf *.hex *.obj *.o *.d *.eep *.lst *.lss *.sym *.map *~
- ##########------------------------------------------------------##########
- ########## Programmer-specific details ##########
- ########## Flashing code to AVR using avrdude ##########
- ##########------------------------------------------------------##########
- flash: $(TARGET).hex
- $(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$<
- ## An alias
- program: flash
- flash_eeprom: $(TARGET).eeprom
- $(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$<
- avrdude_terminal:
- $(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
- ## If you've got multiple programmers that you use,
- ## you can define them here so that it's easy to switch.
- ## To invoke, use something like `make flash_arduinoISP`
- flash_usbtiny: PROGRAMMER_TYPE = usbtiny
- flash_usbtiny: PROGRAMMER_ARGS = # USBTiny works with no further arguments
- flash_usbtiny: flash
- flash_usbasp: PROGRAMMER_TYPE = usbasp
- flash_usbasp: PROGRAMMER_ARGS = # USBasp works with no further arguments
- flash_usbasp: flash
- flash_arduinoISP: PROGRAMMER_TYPE = avrisp
- flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P /dev/ttyACM0
- ## (for windows) flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P com5
- flash_arduinoISP: flash
- flash_109: PROGRAMMER_TYPE = avr109
- flash_109: PROGRAMMER_ARGS = -b 9600 -P /dev/ttyUSB0
- flash_109: flash
- ##########------------------------------------------------------##########
- ########## Fuse settings and suitable defaults ##########
- ##########------------------------------------------------------##########
- ## Mega 48, 88, 168, 328 default values
- LFUSE = 0x62
- HFUSE = 0xdf
- EFUSE = 0x00
- ## Generic
- FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
- fuses:
- $(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) \
- $(PROGRAMMER_ARGS) $(FUSE_STRING)
- show_fuses:
- $(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nv
- ## Called with no extra definitions, sets to defaults
- set_default_fuses: FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
- set_default_fuses: fuses
- ## Set the fuse byte for full-speed mode
- ## Note: can also be set in firmware for modern chips
- set_fast_fuse: LFUSE = 0xE2
- set_fast_fuse: FUSE_STRING = -U lfuse:w:$(LFUSE):m
- set_fast_fuse: fuses
- ## Set the EESAVE fuse byte to preserve EEPROM across flashes
- set_eeprom_save_fuse: HFUSE = 0xD7
- set_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
- set_eeprom_save_fuse: fuses
- ## Clear the EESAVE fuse byte
- clear_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
- clear_eeprom_save_fuse: fuses
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