/
Makefile
214 lines (168 loc) · 4.83 KB
/
Makefile
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# Makefile
# (C) 2011 Akafugu Coporation
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more details.
# Define your programmer in this file: ~/user.mk
-include ~/user.mk
#MHV AVR doesn't look for ~/user.mk ???
ifeq ($(AVRDUDE_PROGRAMMER), )
AVRDUDE_PROGRAMMER = usbtiny
endif
SILENT ?= @
CROSS ?= avr-
MCU ?= atmega328p
F_CPU ?= 8000000
TARGET = main
SRCS = main.c \
globals.c \
button.c \
display.c \
menu.c \
font-16seg.c \
font-7seg.c \
adst.c \
gps.c \
twi.c \
twi-lowlevel.c \
rtc.c \
piezo.c \
Time.c \
flw.c
# Default values
FEATURE_LOWERCASE ?= YES
FEATURE_SET_DATE ?= YES
FEATURE_AUTO_DATE ?= YES
FEATURE_WmGPS ?= YES
FEATURE_AUTO_DIM ?= YES
FEATURE_AUTO_DST ?= YES
FEATURE_FLW ?= YES
ifneq ($(DEFAULT_BRIGHTNESS), )
CFLAGS += -DDEFAULT_BRIGHTNESS=$(DEFAULT_BRIGHTNESS)
endif
# These will automatically be checked if they are set to YES
SPECIAL_DEFS += DEMO \
FEATURE_LOWERCASE \
FEATURE_SET_DATE \
FEATURE_AUTO_DATE \
FEATURE_WmGPS \
FEATURE_AUTO_DIM \
FEATURE_AUTO_DST \
FEATURE_FLW \
BOARD_1_0
OBJS = $(SRCS:.c=.o)
ifneq ($(CROSS), )
CC = $(CROSS)gcc
CXX = $(CROSS)g++
OBJCOPY = $(CROSS)objcopy
OBJDUMP = $(CROSS)objdump
SIZE = $(CROSS)size
endif
ifneq ($(F_CPU),)
CFLAGS += -DF_CPU=$(F_CPU)
endif
## Special defines
define CHECK_ANSWER
ifeq ($$($(1)), YES)
CFLAGS += -D$(1)
endif
endef
$(foreach i,$(SPECIAL_DEFS),$(eval $(call CHECK_ANSWER,$(i))))
##
OPT=s
CFLAGS += -g -O$(OPT) \
-ffreestanding -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums \
-Wall -Wstrict-prototypes \
-Wa,-adhlns=$(<:.c=.lst) -std=gnu99 -mmcu=$(MCU)
#LDFLAGS = -Wl-Map=$(TARGET).map,--cref
LDFLAGS = -Wl,-Map,$(TARGET).map
all: $(TARGET).elf size
hex: $(TARGET).hex $(TARGET).eep
size: $(TARGET).elf
$(SILENT) $(SIZE) -C --mcu=$(MCU) $(TARGET).elf
ifneq ($(wildcard $(OBJS) $(TARGET).elf $(TARGET).hex $(TARGET).eep $(OBJS:%.o=%.d)), )
clean:
-rm $(wildcard $(OBJS) $(TARGET).elf $(TARGET).hex $(TARGET).eep $(OBJS:%.o=%.d) $(OBJS:%.o=%.lst))
else
clean:
@echo "Nothing to clean."
endif
.SECONDARY:
%.elf: $(OBJS)
@echo "[$(TARGET)] Linking:" $@...
$(SILENT) $(CC) $(CFLAGS) $(OBJS) --output $@ $(LDFLAGS)
%.o : %.cpp
@echo "[$(TARGET)] Compiling:" $@...
$(SILENT) $(CXX) $(CXXFLAGS) -MMD -MF $(@:%.o=%.d) -c $< -o $@
%.o : %.c
@echo "[$(TARGET)] Compiling:" $@...
$(SILENT) $(CC) $(CFLAGS) -MMD -MF $(@:%.o=%.d) -c $< -o $@
%.d : %.cpp
@echo "[$(TARGET)] Generating dependency:" $@...
$(SILENT) $(CXX) $(CXXFLAGS) -MM -MT $(addsuffix .o, $(basename $@)) -MF $@ $<
%.d : %.c
@echo "[$(TARGET)] Generating dependency:" $@...
$(SILENT) $(CC) $(CFLAGS) -MM -MT $(addsuffix .o, $(basename $@)) -MF $@ $<
###############
## Programming
AVRDUDE := avrdude
AVRDUDE_FLAGS += -p $(MCU)
ifneq ($(AVRDUDE_PORT), )
AVRDUDE_FLAGS += -P $(AVRDUDE_PORT)
endif
ifneq ($(AVRDUDE_PROGRAMMER), )
AVRDUDE_FLAGS += -c $(AVRDUDE_PROGRAMMER)
endif
ifneq ($(AVRDUDE_SPEED), )
AVRDUDE_FLAGS += -b $(AVRDUDE_SPEED)
endif
#Add more verbose output if we dont have SILENT set
ifeq ($(SILENT), )
AVRDUDE_FLAGS += -v -v
endif
# Fuses for internal 8MHz oscillator
ifeq ($(MCU), atmega328p)
AVRDUDE_WRITE_FUSE = -U lfuse:w:0xe2:m -U hfuse:w:0xd9:m
endif
ifeq ($(MCU), atmega88)
AVRDUDE_WRITE_FUSE = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m
endif
ifeq ($(MCU), atmega8)
AVRDUDE_WRITE_FUSE = -U lfuse:w:0xe4:m -U hfuse:w:0xd9:m
endif
ifeq ($(MCU), $(filter $(MCU), attiny2313 attiny4313))
AVRDUDE_WRITE_FUSE := -U lfuse:w:0xe4:m -U hfuse:w:0xdb:m
#AVRDUDE_WRITE_FUSE := -U lfuse:w:0x64:m # 1Mhz
#AVRDUDE_WRITE_FUSE := -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m # attiny4313 only 4MHz
endif
ifneq ($(AVRDUDE_PROGRAMMER), )
flash: $(TARGET).hex $(TARGET).eep
$(AVRDUDE) $(AVRDUDE_FLAGS) -U flash:w:$(TARGET).hex -U eeprom:w:$(TARGET).eep
program: flash
fuse:
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSE)
%.hex: %.elf
@echo "[$(TARGET)] Creating flash file:" $@...
$(SILENT) $(OBJCOPY) -O ihex -R .eeprom $< $@
%.eep: %.elf
@echo "[$(TARGET)] Creating eeprom file:" $@...
$(SILENT) $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 -O ihex $< $@
else
FLASH_MSG="You need to set AVRDUDE_PROGRAMMER/AVRDUDE_PORT/AVRDUDE_SPEED in ~/user.mk"
flash:
@echo $(FLASH_MSG)
program: flash
fuse:
@echo $(FLASH_MSG)
endif
###############
# Check which .o files we already have and include their dependency files.
PRIOR_OBJS := $(wildcard $(OBJS))
include $(PRIOR_OBJS:%.o=%.d)