# 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

############################################################################
# CPU type
MCU = atmega128

# Target
TRG = lcdlib <---- create lib file name here

# C-source files
LIBSRC = lcd.c add any files here xxx.c yyy.c

# Compiler flags
CPFLAGS = -g -Os -fregmove -fforce-addr -Wall -Wstrict-prototypes -Wa,-ahlms=$(<:.c=.lst)

# Assembler flags
ASFLAGS = -Wa,-gstabs

# Linker flags
LDFLAGS = -Wl,--defsym,__init_wdtcr__=0x07,--defsym,__init_mcucr__=0x80,-Map=$(TRG).map,--cref

#---------------- Library Options ----------------
# Minimalistic printf version
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min

# Floating point printf version (requires MATH_LIB = -lm below)
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt

# If this is left blank, then it will use the Standard printf version.
PRINTF_LIB = $(PRINTF_LIB_FLOAT)

#--------------------------------------------------------------------------
# Minimalistic scanf version
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min

# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt

# If this is left blank, then it will use the Standard scanf version.
SCANF_LIB = $(SCANF_LIB_FLOAT)

MATH_LIB = -lm
############################################################################
############################################################################

#define all project specific object files
LIBOBJ = $(LIBSRC:.c=.o)
CPFLAGS += -mmcu=$(MCU)
ASFLAGS += -mmcu=$(MCU)
LDFLAGS += -mmcu=$(MCU)
LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)

#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 $@

all: $(TRG).lib <---- Target Output
$(TRG).lib : $(LIBOBJ)
$(RM) $(TRG).lib
$(AR) $(TRG).lib $(LIBOBJ)
avr-size $(TRG).lib

#make instruction to delete created files
clean:
$(RM) $(LIBOBJ)
$(RM) $(TRG).map
$(RM) $(TRG).elf
$(RM) $(TRG).obj
$(RM) $(TRG).lib
$(RM) *.bak
$(RM) *.lst
$(RM) ../*.lst
$(RM) *.?_sym

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

lcd.o : lcd.c lcd.h makefile

ํyou can add more files here

xxx.o xxx.c xxx.h makefile

yyy.o yyy.c yyy.h makefile

# 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

# CPU type
MCU = atmega128

# Target
TRG = main <--- Output for copy to flash MCU Output = main.hex

# C-source files
SRC = serial.c printf.c $(TRG).c <---- Add any files here jnut.c inex.c

# Libraries
LIB = lcdlib.lib <--- call Lib from step here

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

# Assembler flags
ASFLAGS = -Wa,-gstabs

# Linker flags
LDFLAGS = -Wl,--defsym,__init_wdtcr__=0x07,--defsym,__init_mcucr__=0x80,-Map=$(TRG).map,--cref

#---------------- Library Options ----------------
# Minimalistic printf version
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min

# Floating point printf version (requires MATH_LIB = -lm below)
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt

# If this is left blank, then it will use the Standard printf version.
PRINTF_LIB =
#PRINTF_LIB = $(PRINTF_LIB_MIN)
PRINTF_LIB = $(PRINTF_LIB_FLOAT)

#--------------------------------------------------------------------------
# Minimalistic scanf version
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min

# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt

# If this is left blank, then it will use the Standard scanf version.
SCANF_LIB =
SCANF_LIB = $(SCANF_LIB_FLOAT)

MATH_LIB = -lm

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

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

#this defines the aims of the make process
all: $(TRG).elf $(TRG).hex <---- Target Output

#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 : %s
$(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 $< $@

avr-size $(TRG).elf

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

clean_before:
$(RM) $(TRG).hex
$(RM) *.err