# AVR-GCC Makefile
#
# history:
#		Sept. 2nd 2002 - S. Gauthier - Added '-lm' to linker flags to allow use of math library. 
#		Dec. 31st 2002 - S. Gauthier - Added '-Wl,-u,vfprintf -lprintf_flt' to linker flags to allow use of new printf float library. 
#
#**************************************************************
.SUFFIXES:
.SUFFIXES:	.S .c .o .obj .elf .eep .rom

#--- define some variables based on the AVR base path in $(AVR)
CC	= avr-gcc
AS	= avr-gcc -x assembler-with-cpp	
RM	= rm -f
RN	= mv
CP      = cp
BIN	= avr-objcopy
INCDIR	= -I. -I$(AVRX)/avrx -I$(AVR)/avr/inc
LIBDIR	= $(AVRX)/avrx/avrx.a
SHELL   = $(AVR)/bin/sh.exe

#--- default mcu type
MCU = atmega128

#--- default compiler flags -ahlmsn
CPFLAGS = -g -Os -Wall -Wstrict-prototypes -Wa,-adhlmsn=$(<:.c=.lst) -mmcu=$(MCU)

#--- default assembler flags 
ASFLAGS = -mmcu=$(MCU) -Wa,-mmcu=$(MCU),-gstabs

#--- default linker flags (to get printf w/ floats append this '-Wl,-u,vfprintf -lprintf_flt -lm')
LDFLAGS = -Wl,-Map=$(<:.o=.map),--cref -mmcu=$(MCU) -lm

#--- output format can be srec, ihex 
ROMFORMAT 	= ihex
EEPROMFORMAT    = ihex

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

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

#--- assemble: instructions to create object file from assembler source
%o : %S
	$(AS) -x assembler-with-cpp $(ASFLAGS) $(INCDIR) -c $< -o $@

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

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

#--- create flash and eeprom bin file (ihex, srec) from elf output file
%hex: %elf
	$(BIN) -O $(ROMFORMAT) -R .eeprom $< $@

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


#*************************** add your projects below **************************************


#--- this defines the aims of the make process
all:	srx1
	avr-size srx1.elf
	avr-sizex --flash 130048 -m $(MCU) srx1.elf
	#done with target all

clean:
	$(RM) *.o
	$(RM) *.elf
	$(RM) *.obj
	$(RM) *.eep
	$(RM) *.hex
	$(RM) *.o
	$(RM) *.lst
	$(RM) *.rom
	$(RM) *.map
	$(RM) *.c_sym
	
upload:
	loadmega -f=srx1.hex -port=2 -speed=38400 -pages=4 -size=256 -delay=8

#-------- project source definitions.
srx1:	srx1.obj srx1.hex
	
srx1.elf:	srx1.o HW_drivers.o serialio.o generalio.o MotorTask.o I2C.o
srx1.o:		makefile srx1.c  hardware.h definitions.h text_strings.h scm\scm_cmds.h

#-------- Low-level IO routines (processor dependent)
serialio.o:		serialio.c serialio.h hardware.h definitions.h

#-------- General IO routines	(non-processor dependent)
generalio.o:	generalio.c generalio.h hardware.h definitions.h

#-------- General H/W drivers
HW_drivers.o:	HW_drivers.c HW_drivers.h hardware.h definitions.h

#-------- Motor Task
MotorTask.o:	MotorTask.c MotorTask.h hardware.h definitions.h

#-------- I2C high level routines and TWI (I2C) Low-level interface
I2C.o:	I2C.c I2C.h hardware.h