makefile

老外个人做的MP3/优盘。使用ATMEL MEGA系列的MCU

#
# Makefile for yampp-3/USB
#
# Jesper Hansen 2001-05-22
#


# Tools and directories
CC		= avr-gcc
AS		= avr-gcc -x assembler-with-cpp	
RM		= rm -f
RN		= mv
BIN		= avr-objcopy
INCDIR	= .
LIBDIR	= $(AVR)/avr/lib
SHELL   = $(AVR)/bin/sh.exe
FORMAT  = srec

# library (.a) file creation command
AR= avr-ar rc

# second step in .a creation (use "touch" if not needed)
AR2= avr-ranlib


############################################################################################
############################################################################################

	
# CPU type
MCU = atmega161

# Target
TRG	= yampp3_usb

# C-source files
#SRC	= ata_if.c printf.c usb.c control.c $(TRG).c
SRC	= printf.c usb.c control.c $(TRG).c

# Assembler source files
ASRC    = Glcd_1.asm Glcd_2.asm

# Extra include dir
INC 	= ../yampp3lib

# Libraries 
LIB = $(AVR)/avr/lib/libc.a ../yampp3lib/yampp3lib.a

# Compiler flags
CPFLAGS	=  -g -Os -Wall -Wstrict-prototypes -Wa,-ahlms=$(<:.c=.lst) -mcall-prologues -I$(INC)

# Assembler flags
ASFLAGS = -Wa,-gstabs,-a=$<.lst

# Linker flags
LDFLAGS = -Wl,-Map=$(TRG).map,--cref
#,-Tldscript.ld


############################################################################################
############################################################################################

#define all project specific object files
	OBJ	= $(ASRC:.asm=.o) $(SRC:.c=.o)
	CPFLAGS += -mmcu=$(MCU)
	ASFLAGS += -mmcu=$(MCU)
	LDFLAGS += -mmcu=$(MCU)

	  
#this defines the aims of the make process
all:	$(TRG).elf $(TRG).bin


#compile: instructions to create assembler and/or object files from C source
%o : %c 
	$(CC) -c $(CPFLAGS) -I$(INCDIR) $< -o $@

%s : %c
	$(CC) -S $(CPFLAGS) -I$(INCDIR) $< -o $@

#assemble: instructions to create object file from assembler files
%o : %asm
	$(AS) -c $(ASFLAGS) -I$(INCDIR) $< -o $@


#link: instructions to create elf output file from object files
%elf: $(OBJ)
	$(CC) $(OBJ) $(LIB) $(LDFLAGS) -o $@

#create avrobj file from elf output file
%obj: %elf
	$(BIN) -O avrobj $< $@

#create bin (ihex, srec) file from elf output file
%rom: %elf
	$(BIN) -O $(FORMAT) $< $@

%hex: %elf
	$(BIN) -O ihex $< $@

%bin: %elf
	$(BIN) -O binary $< $@

	avr-size $(TRG).elf

#make instruction to delete created files
clean:
	$(RM) $(OBJ)
	$(RM) $(TRG).map
	$(RM) $(TRG).elf
	$(RM) $(TRG).obj
	$(RM) $(TRG).eep
	$(RM) $(TRG).rom
	$(RM) *.bak
	$(RM) *.lst
	$(RM) *.?_sym


############################################################################################
############################################################################################

###### dependecies, add any dependencies you need here ###################

usb.o		: usb.c usb.h makefile
printf.o	: printf.c makefile
control.o	: control.c Constants.h makefile
$(TRG).o	: $(TRG).c types.h mem.h Constants.h makefile