# Simple Makefile based on work by Volker Oth
# Ron Kreymborg
#
# Define some variables based on the AVR base path in $(AVR)
   AVR      = c:/avrgcc
	CC		   = avr-gcc
	AS		   = avr-gcc -x assembler-with-cpp	
	RM		   = rm -f
	BIN		= $(AVR)/bin/avr-objcopy
	INCDIR	= .
   	
# Output format can be srec, ihex (avrobj is always created)
	FORMAT = srec

# Default compiler flags
	CPFLAGS	= -g -O -Wall -Wstrict-prototypes -Wa,-ahlms=$(<:.c=.lst)
	
# Default assembler flags
	ASFLAGS = -Wa,-gstabs
	
# Default linker flags
	LDFLAGS = -Wl,-Map=$(TRG).map,--cref
	
# Put the name of the target mcu here (at90s8515, at90s8535, attiny22, atmega603 etc.)
	MCU = atmega103

# Put the name of the target file here (without extension)
	TRG = main
	
# List your C sourcefiles here 
	SRC=$(TRG).c taskr.c

# Put additional assembler source file here
	ASRC    =

# Additional libraries and object files to link
	LIB	=  

# Additional includes to compile
	INC	= 

# Compiler flags
	CPFLAGS	= -g -O -Wall -Wstrict-prototypes -Wa,-ahlms=$(<:.c=.lst) -fverbose-asm -save-temps

# Assembler flags
	ASFLAGS = -gstabs

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

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

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

# 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

# Dependecies, add any dependencies you need here...

$(TRG).o : $(TRG).c taskr.h
taskr.o : taskr.c taskr.h critical.h