#Make file with link time initialization of the stack pointer, MCUCR and watchdog control register.
#In order to tell the linker how much SRAM You have use the attached local linker script file.
#Modify length of data segment: 'data (rw!x) : ORIGIN = 0x800060, LENGTH = ...'  <- 512; 32672
#Modified by Molnar Zoltan, original by Volker Oth.
#Special thanks for their help to Jason Kyle address@hidden and Ludovic COURTES <address@hidden>
#Good luck using it.

###### define some variables based on the AVR base path in $(AVR) #######
	CC=avr-gcc
	AS=avr-gcc -x assembler-with-cpp	
	RM=rm -f
	RN=mv
	BIN=avr-objcopy
	INCDIR=.
	LIBDIR=$(AVR)/avr/lib
        SHELL=$(AVR)/bin/sh.exe
###### output format can be srec, ihex (avrobj is always created) #######
	FORMAT=ihex
########################## default mcu type #############################
#put the name of the target mcu here (at90s8515, at90s8535, attiny22, atmega603 etc.)
	MCU=at90s8515
####################### default compiler flags ##########################
	CPFLAGS=-g -Os -Wall -Wstrict-prototypes -Wa,-ahlms=$(<:.c=.lst)
####################### default assembler flags #########################
	ASFLAGS=-Wa,-gstabs
########################## default linker flags #########################
	LDFLAGS=-Wl,-Map=$(TRG).map,--cref,-Tavr85xx.x

#put the name of the target file here (without extension)
	TRG=test2
	
#put your C sourcefiles here 
	SRC= $(TRG).c 

#put additional assembler source file here
	ASRC= 

#additional libraries and object files to link
	LIB=

#additional includes to compile
	INC= 

########### you should not need to change the following line #############
#define all project specific object files
	OBJ	= $(ASRC:.s=.o) $(SRC:.c=.o) 
	CPFLAGS += -mmcu=$(MCU)
	ASFLAGS += -mmcu=$(MCU)
	LDFLAGS += -mmcu=$(MCU)  
	LDFLAGS += -Xlinker --defsym -Xlinker __init_wdtcr__=0x00	
	LDFLAGS += -Xlinker --defsym -Xlinker __init_mcucr__=0x80	
	LDFLAGS += -Xlinker --defsym -Xlinker __stack=0x7FFF
	
#this defines the aims of the make process
all:	$(TRG).obj $(TRG).elf $(TRG).rom #$(TRG).eep


#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 -R .eeprom $< $@

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

%eep: %elf
	$(BIN) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O $(FORMAT) $< $@

###### dependecies, add any dependencies you need here ###################
$(TRG).o: $(TRG).c 

#make instruction to delete created files
clean:
	$(RM) $(OBJ)
	$(RM) $(SRC:.c=.s)
	$(RM) $(SRC:.c=.lst)
	$(RM) $(TRG).map
	$(RM) $(TRG).elf
	$(RM) $(TRG).obj
	$(RM) $(TRG).eep
	$(RM) $(TRG).rom
	$(RM) *.bak
	$(RM) *.log