Some old AVR projects
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avr-projects/devel/sdcard/Makefile

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###################################
# Makefile for MightyPork/avr-lib #
# Revision 3 #
###################################
## ===== CPU settings =====
# CPU type
MCU = atmega328p
# CPU frequency
F_CPU = 16000000
# Fuses
LFUSE = 0xFF
HFUSE = 0xDE
EFUSE = 0x05
OPTIMIZE = s
## ===== Source files =====
# Main C file
MAIN = main.c
# Library directory (with C and H files)
LIB_DIR = lib/
# C files in the library directory
LIB_C_FILES = uart.c iopins.c stream.c adc.c dht11.c sonar.c onewire.c spi.c sd.c sd_blockdev.c fat16.c sd_fat.c
# Extra Files that need config file:
#LIB_C_FILES += lcd.c
#LIB_C_FILES += color.c wsrgb.c
#LIB_C_FILES += debouce.c
LIB_H_FILES = adc.h calc.h dht11.h fat16.h fat16_internal.h iopins.h nsdelay.h onewire.h
LIB_H_FILES += sd.h sd_blockdev.h sd_fat.h blockdev.h sonar.h spi.h stream.h uart.h
LIB_H_FILES += lcd.h color.h wsrgb.h debounce.h
## ===== Programmer =====
PROGRAMMER_TYPE = arduino
PROGRAMMER_ARGS = -b 57600 -P /dev/ttyUSB0
## ===== C flags =====
CFLAGS = -std=gnu99 -mmcu=$(MCU) -DF_CPU=$(F_CPU)UL -I. -I$(LIB_DIR)
CFLAGS += -funsigned-char
CFLAGS += -funsigned-bitfields
CFLAGS += -fpack-struct
CFLAGS += -fshort-enums
CFLAGS += -finline-functions
CFLAGS += -ffunction-sections
CFLAGS += -fdata-sections
CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -Wno-main
CFLAGS += -Wno-comment
CFLAGS += -Wno-unused-but-set-variable
CFLAGS += -Wfatal-errors
CFLAGS += -Wl,--gc-sections
CFLAGS += -Wl,--relax
CFLAGS += -Wl,--relax
#CFLAGS += -lm ## Math
#CFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## Floating-point printf
#CFLAGS += -Wl,-u,vfprintf -lprintf_min ## Smaller printf
CFLAGS_BUILD = $(CFLAGS) -O$(OPTIMIZE)
# ---------------------------------------------------------------------------
## Defined programs / locations
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
AVRSIZE = avr-size
AVRDUDE = avrdude
UART_TERM = gtkterm -p /dev/ttyUSB0
## === File lists ===
TARGET = $(strip $(basename $(MAIN)))
SRC1 = $(TARGET).c
SRC = $(SRC1)
EXTRA_SOURCE = $(addprefix $(LIB_DIR), $(LIB_C_FILES))
LIB_H_FILES_FILES = $(addprefix $(LIB_DIR), $(LIB_H_FILES))
SRC += $(EXTRA_SOURCE)
HEADERS = $(SRC:.c=.h)
OBJ = $(SRC:.c=.o)
## === File generation ===
all: $(TARGET).hex size
pre: $(TARGET).pre
%.hex: %.elf
$(OBJCOPY) -R .eeprom -O ihex $< $@
%.elf: $(SRC) $(LIB_H_FILES_FILES) Makefile
$(CC) $(CFLAGS_BUILD) $(SRC) --output $@
%.pre: $(SRC1)
$(CC) $(CFLAGS) -E $(SRC1) --output $@
%.eeprom: %.elf
$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
%.lst: %.elf
$(OBJDUMP) -S $< > $@
# Show debug info
debug:
@echo
@echo "Source files:" $(SRC)
@echo "MCU, F_CPU, BAUD:" $(MCU), $(F_CPU), $(BAUD)
@echo
# Disassemble the ELF
disassemble: $(TARGET).lst
dis: disassemble
lst: disassemble
# Make eeprom file
eeprom: $(TARGET).eeprom
# Show how big the resulting program is
size: $(TARGET).elf
$(AVRSIZE) -C --mcu=$(MCU) $(TARGET).elf
# Clean all produced trash
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
# Clean all trash
purge:
rm -f *.elf *.hex *.obj *.o *.d *.eep *.lst *.lss *.sym *.map *~
## === avrdude ===
flash: $(TARGET).hex
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$<
flashe: $(TARGET).eeprom
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$<
shell:
$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
fser: all flash ser
ser:
$(UART_TERM)
# === fuses ===
FUSE_STRING = -U lfuse:w:$(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) $(PROGRAMMER_ARGS) -nv
set_default_fuses: FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
set_default_fuses: fuses