/
Makefile
executable file
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/
Makefile
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###############################################################################
# Makefile for the project piggybackLED
###############################################################################
## General Flags
PROJECT = 5x7matrix
MCU = attiny4313
CLK = 8000000UL
TARGET = $(PROJECT).elf
CC = avr-gcc
AVRDUDE = avrdude -c usbtiny -p$(MCU)
FUSEH = 0xdf
FUSEL = 0x64
# Fuse high byte:
# 0xcf = 1 1 0 1 1 1 1 1 <-- RSTDISB (External Reset disable)
# ^ ^ ^ ^ ^ ^ ^------ BODLEVEL0
# | | | | | +-------- BODLEVEL1
# | | | | + --------- BODLEVEL2
# | | | +-------------- WDTON (WDT not always on)
# | | +---------------- SPIEN (allow serial programming)
# | +------------------ EESAVE (preserve EEPROM over chip erase)
# +-------------------- DWEN (debugWIRE Enable)
# Fuse low byte:
# 0xef = 0 1 1 0 0 1 0 0
# ^ ^ \ / \--+--/
# | | | +------- CKSEL 3..0 (internal RC isc 8M)
# | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
# | +------------------ CKOUT (1 = diable)
# +-------------------- CKDEV8 (CLOCK DEV by 8)
## Options common to compile, link and assembly rules
COMMON = -mmcu=$(MCU) -DF_CPU=$(CLK)
## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall -gdwarf-2 -O0
CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d
## Assembly specific flags
ASMFLAGS = $(COMMON)
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
## Objects that must be built in order to link
OBJECTS = matrix.o
## Objects explicitly added by the user
LINKONLYOBJECTS =
## Build
all: $(TARGET) $(PROJECT).hex $(PROJECT).eep size
## Compile
matrix.o.: matrix.c
$(CC) $(INCLUDES) $(CFLAGS) -c $<
##Link
$(TARGET): $(OBJECTS)
$(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)
%.hex: %.elf
avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@
%.eep: %.elf
-avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@
%.lss: %.elf
avr-objdump -h -S $< > $@
size: ${TARGET}
@echo
@avr-size -C --mcu=${MCU} ${TARGET}
## Clean target
.PHONY: clean
clean:
-rm -rf $(OBJECTS) $(PROJECT).elf dep $(PROJECT).hex $(PROJECT).eep
## Other dependencies
-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*)
flash: all
$(AVRDUDE) -Uflash:w:$(PROJECT).hex
.PHONY: fuse
fuse:
$(AVRDUDE) -U hfuse:w:$(FUSEH):m -U lfuse:w:$(FUSEL):m