# MCU name
MCU = msp430xG4619

ASM = n

FORMAT = ihex

# Target file name (without extension).
TARGET = DAC

# List C source files here. (C dependencies are automatically generated.)
# use file-extension c for "c-only"-files
ifeq ($(ASM),n)
SRC = $(TARGET).c
ASRCARM =
else
ASRC = $(TARGET).S
ASRCARM =
endif

# List C source files here which must be compiled in ARM-Mode.
# use file-extension c for "c-only"-files
SRCARM = 

# List C++ source files here.
# use file-extension cpp for C++-files
CPPSRC =

# List C++ source files here which must be compiled in ARM-Mode.
# use file-extension cpp for C++-files
# CPPSRCARM = $(TARGET).cpp
CPPSRCARM =

# Optimization level, can be [0, 1, 2, 3, s].
# 0 = turn off optimization. s = optimize for size.
# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
OPT = s

# Debugging format.
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
#DEBUG = stabs
DEBUG = stabs

# List any extra directories to look for include files here.
#     Each directory must be seperated by a space.
#EXTRAINCDIRS = ./include
# if we want to include directory C:\msp\include , and E:\ex1
EXTRAINCDIRS = 

# Compiler flag to set the C Standard level.
# c89   - "ANSI" C
# gnu89 - c89 plus GCC extensions
# c99   - ISO C99 standard (not yet fully implemented)
# gnu99 - c99 plus GCC extensions
CSTANDARD = -std=gnu99

# Place -I options here
CINCS =

# Compiler flags.
#  -g*:          generate debugging information
#  -O*:          optimization level
#  -f...:        tuning, see GCC manual and avr-libc documentation
#  -Wall...:     warning level
#  -Wa,...:      tell GCC to pass this to the assembler.
#    -adhlns...: create assembler listing
#
# Flags for C and C++ (arm-elf-gcc/arm-elf-g++)
CFLAGS = -g$(DEBUG)
CFLAGS += $(CINCS)
CFLAGS += -O$(OPT)
CFLAGS += -Wall -Wcast-align -Wcast-qual -Wimplicit
CFLAGS += -Wpointer-arith -Wswitch
CFLAGS += -Wredundant-decls -Wreturn-type -Wshadow -Wunused
#CFLAGS += -Wa,-adhlns=$(<:.c=.lst)
CFLAGS += -Wa,-adhlns=$(subst $(suffix $<),.lst,$<)
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))

# flags only for C
CONLYFLAGS  = -Wstrict-prototypes -Wmissing-declarations
CONLYFLAGS += -Wmissing-prototypes -Wnested-externs
CONLYFLAGS += $(CSTANDARD)

# flags only for C++ (arm-elf-g++)
CPPFLAGS =

# Assembler flags.
#  -Wa,...:   tell GCC to pass this to the assembler.
#  -ahlms:    create listing
#  -gstabs:   have the assembler create line number information; note that
#             for use in COFF files, additional information about filenames
#             and function names needs to be present in the assembler source
#             files -- see avr-libc docs [FIXME: not yet described there]
##ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
ASFLAGS = -D_GNU_ASSEMBLER_ -Wa,-adhlns=$(<:.S=.lst),-g$(DEBUG)

#Additional libraries.
#if our library is located at folder the C:\msp\lib
EXTRALIBDIR = 
#Support for newlibc-lpc (file: libnewlibc-lpc.a)
#NEWLIBLPC = -lnewlib-lpc

NEWLIBLPC =
MATH_LIB = -lm

# Linker flags.
#  -Wl,...:     tell GCC to pass this to linker.
#    -Map:      create map file
#    --cref:    add cross reference to  map file
ifeq ($(ASM),n)
LDFLAGS = -L$(EXTRALIBDIR),-Wl,-Map=$(TARGET).map,--cref
else
LDFLAGS = -nostartfiles -nostandartlibs -L$(EXTRALIBDIR),-Wl,-Map=$(TARGET).map,--cref
endif
LDFLAGS += -lc
LDFLAGS += $(NEWLIBLPC) $(MATH_LIB)
LDFLAGS += -lc -lmspgcc

#--------------------------------------------------------------------------------------
# Define programs and commands.
SHELL = sh
CC = msp430-gcc
CPP = msp430-g++
OBJCOPY = msp430-objcopy
OBJDUMP = msp430-objdump
SIZE = msp430-size
NM = msp430-nm
REMOVE = rm -f
COPY = cp
JTAG = msp430-jtag

# Define Messages
# English
MSG_ERRORS_NONE = Errors: none
MSG_BEGIN = -------- begin --------
MSG_END = --------  end  --------
MSG_SIZE_BEFORE = Size before:
MSG_SIZE_AFTER = Size after:
MSG_FLASH = Creating load file for Flash:
MSG_EXTENDED_LISTING = Creating Extended Listing:
MSG_SYMBOL_TABLE = Creating Symbol Table:
MSG_LINKING = Linking:
MSG_COMPILING = Compiling C:
MSG_COMPILING_ARM = "Compiling C MSP APPLICATION:"
MSG_COMPILINGCPP = Compiling C++:
MSG_COMPILINGCPP_ARM = "Compiling C++ MSP APPLICATION:"
MSG_ASSEMBLING = Assembling:
MSG_ASSEMBLING_ARM = "Assembling MSP APPLICATION:"
MSG_CLEANING = Cleaning project:
MSG_LPC21_RESETREMINDER = Check that the board is powered on.


# Define all object files.
COBJ      = $(SRC:.c=.o)
AOBJ      = $(ASRC:.S=.o)
COBJARM   = $(SRCARM:.c=.o)
AOBJARM   = $(ASRCARM:.S=.o)
CPPOBJ    = $(CPPSRC:.cpp=.o)
CPPOBJARM = $(CPPSRCARM:.cpp=.o)

# Define all listing files.
LST = $(ASRC:.S=.lst) $(ASRCARM:.S=.lst) $(SRC:.c=.lst) $(SRCARM:.c=.lst)
LST += $(CPPSRC:.cpp=.lst) $(CPPSRCARM:.cpp=.lst)

# Compiler flags to generate dependency files.
### GENDEPFLAGS = -Wp,-M,-MP,-MT,$(*F).o,-MF,.dep/$(@F).d
GENDEPFLAGS = -MD -MP -MF .dep/$(@F).d

# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)


# Default target.
all: begin gccversion sizebefore build sizeafter finished end

build: elf lss sym hex bin srec

elf: $(TARGET).elf
lss: $(TARGET).lss
sym: $(TARGET).sym
ifeq ($(FORMAT),ihex)
hex: $(TARGET).hex
endif
ifeq ($(FORMAT),binary)
bin: $(TARGET).bin
endif
ifeq ($(FORMAT),srec)
srec: $(TARGET).srec
endif


# Eye candy.
begin:
	@echo
	@echo $(MSG_BEGIN)

finished:
	@echo $(MSG_ERRORS_NONE)

end:
	@echo $(MSG_END)
	@echo


# Display size of file.
HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
ELFSIZE = $(SIZE) -A $(TARGET).elf
sizebefore:
	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi

sizeafter:
	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi


# Display compiler version information.
gccversion :
	@$(CC) --version


# Program the device.
program:
	@echo $(MSG_LPC21_RESETREMINDER)
	$(JTAG) -e ${TARGET}.elf

# Create final output files (.hex, .eep) from ELF output file.
# TODO: handling the .eeprom-section should be redundant
ifeq ($(FORMAT),ihex)
%.hex: %.elf
	@echo
	@echo $(MSG_FLASH) $@
	$(OBJCOPY) -O $(FORMAT) $< $@
endif	
ifeq ($(FORMAT),binary)
%.bin: %.elf
	@echo
	@echo $(MSG_FLASH) $@
	$(OBJCOPY) -O $(FORMAT) $< $@
endif
ifeq ($(FORMAT),srec)
%.srec: %.elf
	@echo
	@echo $(MSG_FLASH) $@
	$(OBJCOPY) -O $(FORMAT) $< $@
endif
# Create extended listing file from ELF output file.
# testing: option -C
%.lss: %.elf
	@echo
	@echo $(MSG_EXTENDED_LISTING) $@
	$(OBJDUMP) -h -S -C $< > $@


# Create a symbol table from ELF output file.
%.sym: %.elf
	@echo
	@echo $(MSG_SYMBOL_TABLE) $@
	$(NM) -n $< > $@


# Link: create ELF output file from object files.
.SECONDARY : $(TARGET).elf
.PRECIOUS : $(AOBJARM) $(AOBJ) $(COBJARM) $(COBJ) $(CPPOBJ) $(CPPOBJARM)
%.elf:  $(AOBJARM) $(AOBJ) $(COBJARM) $(COBJ) $(CPPOBJ) $(CPPOBJARM)
	@echo
	@echo $(MSG_LINKING) $@
	$(CC)  $(ALL_CFLAGS) $(AOBJARM) $(AOBJ) $(COBJARM) $(COBJ) $(CPPOBJ) $(CPPOBJARM) --output $@ $(LDFLAGS)

# Compile: create object files from C source files.
$(COBJ) : %.o : %.c
	@echo
	@echo $(MSG_COMPILING) $<
	$(CC) -c $(ALL_CFLAGS) $(CONLYFLAGS) $< -o $@

# Compile: create object files from C source files.
$(COBJARM) : %.o : %.c
	@echo
	@echo $(MSG_COMPILING_ARM) $<
	$(CC) -c $(ALL_CFLAGS) $(CONLYFLAGS) $< -o $@

# Compile: create object files from C++ source files.
$(CPPOBJ) : %.o : %.cpp
	@echo
	@echo $(MSG_COMPILINGCPP) $<
	$(CPP) -c $(ALL_CFLAGS) $(CPPFLAGS) $< -o $@

# Compile: create object files from C++ source files.
$(CPPOBJARM) : %.o : %.cpp
	@echo
	@echo $(MSG_COMPILINGCPP_ARM) $<
	$(CPP) -c $(ALL_CFLAGS) $(CPPFLAGS) $< -o $@



# Assemble: create object files from assembler source files.
$(AOBJ) : %.o : %.S
	@echo
	@echo $(MSG_ASSEMBLING) $<
	$(CC) -c $(ALL_ASFLAGS) $< -o $@


# Assemble: create object files from assembler source files.
$(AOBJARM) : %.o : %.S
	@echo
	@echo $(MSG_ASSEMBLING_ARM) $<
	$(CC) -c $(ALL_ASFLAGS) $< -o $@


# Target: clean project.
clean: begin clean_list finished end


clean_list :
	@echo
	@echo $(MSG_CLEANING)
	$(REMOVE) $(TARGET).hex
	$(REMOVE) $(TARGET).obj
	$(REMOVE) $(TARGET).elf
	$(REMOVE) $(TARGET).map
	$(REMOVE) $(TARGET).obj
	$(REMOVE) $(TARGET).a90
	$(REMOVE) $(TARGET).sym
	$(REMOVE) $(TARGET).lnk
	$(REMOVE) $(TARGET).lss
	$(REMOVE) $(TARGET).bin
	$(REMOVE) $(TARGET).srec
	$(REMOVE) $(COBJ)
	$(REMOVE) $(CPPOBJ)
	$(REMOVE) $(AOBJ)
	$(REMOVE) $(COBJARM)
	$(REMOVE) $(CPPOBJARM)
	$(REMOVE) $(AOBJARM)
	$(REMOVE) $(LST)
	$(REMOVE) $(SRC:.c=.s)
	$(REMOVE) $(SRC:.c=.d)
	$(REMOVE) $(SRCARM:.c=.s)
	$(REMOVE) $(SRCARM:.c=.d)
	$(REMOVE) $(CPPSRC:.cpp=.s)
	$(REMOVE) $(CPPSRC:.cpp=.d)
	$(REMOVE) $(CPPSRCARM:.cpp=.s)
	$(REMOVE) $(CPPSRCARM:.cpp=.d)
	$(REMOVE) .dep/*


# Include the dependency files.
-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)


# Listing of phony targets.
.PHONY : all begin finish end sizebefore sizeafter gccversion \
build elf hex bin srec lss sym clean clean_list program