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Makefile.atmega32
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Makefile.atmega32
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# Name of this project, final target
NAME := demo
PART := atmega32
AVRDUDE_OPTS := -p m32 -c atmelice_isp
# AVRDUDE_OPTS := -p m32 -c stk500 -P /dev/ttyUSB0
# Use avrdude -p \? to get a list of known parts
# Where should we put object and dependency files?
# This directory is deleted by "make clean"
OBJ_DIR := obj/
# Get application version number
NK_VERSION_MAJOR := $(shell cat VERSION_MAJOR)
NK_VERSION_MINOR := $(shell cat VERSION_MINOR)
# Get date/time
NK_DATE := $(shell date -u -Iminute)
NK_YEAR := $(shell expr $(shell echo $(NK_DATE) | cut -b 1-4) + 0)
NK_MONTH := $(shell expr $(shell echo $(NK_DATE) | cut -b 6-7) + 0)
NK_DAY := $(shell expr $(shell echo $(NK_DATE) | cut -b 9-10) + 0)
NK_HOUR := $(shell expr $(shell echo $(NK_DATE) | cut -b 12-13) + 0)
NK_MINUTE := $(shell expr $(shell echo $(NK_DATE) | cut -b 15-16) + 0)
# A define for the platform
NK_PLATFORM := NK_PLATFORM_AVR
# Get git hash as a string
# It is postfixed with -dirty if there are uncommitted changed; otherwise, it is postfixed with -clean.
NK_GIT_REV := \"$(shell git rev-parse HEAD)-$(shell if git diff-index --quiet HEAD --; then echo clean; else echo dirty; fi)\"
TOOL_DIR :=
CC := $(TOOL_DIR)avr-gcc
CPP := $(TOOL_DIR)avr-g++
OBJCOPY := $(TOOL_DIR)avr-objcopy
CFLAGS := \
-I libnklabs/inc \
-I config \
-I . \
-mmcu=$(PART) \
-Os \
-funsigned-char \
-funsigned-bitfields \
-ffunction-sections \
-fpack-struct \
-fshort-enums \
-Wall \
-Wconversion -Wunused -Wwrite-strings \
-Wstrict-overflow=4 -Wmissing-include-dirs -Winit-self -Wcast-qual \
-Wundef -Wlogical-op -Wmissing-declarations -Wformat \
-Wmissing-format-attribute -Wformat-nonliteral \
-Wswitch-enum -Wshadow -Wextra -Wformat-security \
-std=gnu99 \
-D$(NK_PLATFORM) -DNK_PLATFORM=\"$(NK_PLATFORM)\" -DNK_VERSION_MAJOR=$(NK_VERSION_MAJOR) -DNK_VERSION_MINOR=$(NK_VERSION_MINOR) -DNK_YEAR=$(NK_YEAR) -DNK_MONTH=$(NK_MONTH) -DNK_DAY=$(NK_DAY) -DNK_HOUR=$(NK_HOUR) -DNK_MINUTE=$(NK_MINUTE) -DNK_GIT_REV=$(NK_GIT_REV)
OBJS := \
main.o \
nkuart_avr.o \
nkarch_avr.o \
libnklabs/src/nksched.o \
libnklabs/src/nkprintf.o \
libnklabs/src/nkoutfile.o \
libnklabs/src/nkinfile.o \
libnklabs/src/nkscan.o \
libnklabs/src/nkcli.o \
libnklabs/src/nkreadline.o \
libnklabs/src/nkstring.o \
info_cmd.o \
basic_cmds.o \
libnklabs/src/nkcrclib.o \
libnklabs/src/nkmcuflash.o \
libnklabs/src/nkdbase.o \
libnklabs/src/nkchecked.o \
libnklabs/src/nkdirect.o \
libnklabs/src/nkserialize.o \
libnklabs/src/nkymodem.o
# Keep them in a subdirectory
MOST_OBJS := $(addprefix obj/, $(OBJS))
SUBDIR_OBJS := $(MOST_OBJS) $(OBJ_DIR)version.o
$(NAME).hex : $(NAME).out
$(OBJCOPY) -O ihex -R .eeprom -R .fuse -R .lock -R .signature -R .user_signatures $(NAME).out $(NAME).hex
$(NAME).out : $(SUBDIR_OBJS) avr.ld
$(CC) $(CFLAGS) --verbose -o $(NAME).out -Wl,-Map,$(NAME).map \
-Wl,--start-group \
-Wl,-lm \
-Wl,--end-group \
-Wl,--gc-sections \
-T avr.ld \
$(SUBDIR_OBJS)
# Rebuild version.o if any other file changed
$(OBJ_DIR)version.o: $(MOST_OBJS) VERSION_MAJOR VERSION_MINOR
# Add to print verbose linker information
# -Wl,--verbose \
# Commmands / phony targets
.PHONY: help
help:
@echo
@echo "make Build $(NAME).hex"
@echo
@echo "make flash Program flash memory by running avrdude"
@echo
@echo "make clean Delete intermediate files"
@echo
@echo "make cleaner Delete intermediate files and final image"
@echo
.PHONY: clean
clean:
rm -rf $(OBJ_DIR)
.PHONY: cleaner
cleaner: clean
rm -f $(NAME).out $(NAME).map $(NAME).hex
.PHONY: flash
flash: $(NAME).hex
avrdude $(AVRDUDE_OPTS) -U flash:w:$(NAME).hex
.PHONY: verify
verify: $(NAME).hex
avrdude $(AVRDUDE_OPTS) -U flash:w:$(NAME).hex
# Change lower fuse byte from 0xE1 to 0xE0, so that external clock is used
.PHONY: fuse
fuse:
avrdude $(AVRDUDE_OPTS) -U lfuse:w:0xe0:m
# include dependancy files if they exist
-include $(SUBDIR_OBJS:.o=.d)
# Compile and generate dependency info, C files
$(OBJ_DIR)%.o: %.c
@echo
@mkdir -p $(OBJ_DIR)$(shell dirname $*)
$(CC) -c $(CFLAGS) -MT $@ -MMD -MP -MF $(OBJ_DIR)$*.d $*.c -o $(OBJ_DIR)$*.o
# Compile and generate dependency info, CPP files
$(OBJ_DIR)%.o: %.cpp
@echo
@mkdir -p $(OBJ_DIR)$(shell dirname $*)
$(CPP) -c $(CFLAGS) -MT $@ -MMD -MP -MF $(OBJ_DIR)$*.d $*.cpp -o $(OBJ_DIR)$*.o
# Assemble
$(OBJ_DIR)%.o: %.S
@echo
@mkdir -p $(OBJ_DIR)$(shell dirname $*)
$(CC) -c $(CFLAGS) -MT $@ -MMD -MP -MF $(OBJ_DIR)$*.d $*.S -o $(OBJ_DIR)$*.o