133 lines
3.6 KiB
Makefile
133 lines
3.6 KiB
Makefile
#
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# Generic and Simple GNU ARM Makefile
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#
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# Desinged for the gnu-arm-none-eabi tool chain
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#
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# Features
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# - create hex file
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# - create assembler listing (.dis)
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#
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# Limitations
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# - only C-files supported
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# - no automatic dependency checking (call 'make clean' if any .h files are changed)
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#
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# Targets:
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# make
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# create hex file, no upload
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# make upload
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# create and upload hex file
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# make clean
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# delete all generated files
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#
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# Note:
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# Display list make database: make -p -f/dev/null | less
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#
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#================================================
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# External tools
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# The base directory of gcc-arm-none-eabi
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# Can be empty on Ubuntu and installed gcc-arm-none-eabi
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# If set, GCCBINPATH must contain a "/" at the end.
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GCCBINPATH:=/usr/bin/
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#================================================
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# Project Information
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# The name for the project
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TARGETNAME:=plain
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# The source files of the project
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SRC:=$(wildcard *.c)
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# The CPU architecture (will be used for -mcpu)
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MCPU:=cortex-m0
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# Include directory for the system include files
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SYSINC:=../lpc_chip_11uxx_lib/inc
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SYSSRC:=$(wildcard ../lpc_chip_11uxx_lib/src/*.c)
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# Directory for the linker script
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LDSCRIPTDIR:=.
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# Name of the linker script (must be the "keep" script, because the other script is not always working)
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LDSCRIPT:=lpc11u35.ld
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#================================================
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# Main part of the Makefile starts here. Usually no changes are needed.
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# Internal Variable Names
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LIBNAME:=$(TARGETNAME).a
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ELFNAME:=$(TARGETNAME).elf
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HEXNAME:=$(TARGETNAME).hex
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BINNAME:=$(TARGETNAME).bin
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DISNAME:=$(TARGETNAME).dis
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MAPNAME:=$(TARGETNAME).map
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OBJ:=$(SRC:.c=.o) $(SYSSRC:.c=.o)
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# Replace standard build tools by avr tools
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CC:=$(GCCBINPATH)arm-none-eabi-gcc
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AR:=$(GCCBINPATH)arm-none-eabi-ar
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OBJCOPY:=$(GCCBINPATH)arm-none-eabi-objcopy
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OBJDUMP:=$(GCCBINPATH)arm-none-eabi-objdump
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SIZE:=$(GCCBINPATH)arm-none-eabi-size
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# Common flags
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COMMON_FLAGS = -mthumb -mcpu=$(MCPU)
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COMMON_FLAGS += -Wall -I. -I$(SYSINC)
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# define stack size (defaults to 0x0100)
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# COMMON_FLAGS += -D__STACK_SIZE=0x0100
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# define constant for lpcopen library
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COMMON_FLAGS += -DCORE_M0
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# do not make a call to SystemInit()
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# COMMON_FLAGS += -Os -flto
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COMMON_FLAGS += -Os
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# Do not use stand libs startup code. Uncomment this for gcclib procedures
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# memcpy still works, but might be required for __aeabi_uidiv
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# COMMON_FLAGS += -nostdlib
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# remove unused data and function
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COMMON_FLAGS += -ffunction-sections -fdata-sections
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# C flags
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CFLAGS:=$(COMMON_FLAGS) -std=gnu99
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# LD flags
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# remove unreferenced procedures and variables, but keep "arm_stack_area" and __isr_vector
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GC:=-Wl,--gc-sections -Wl,--undefined=arm_stack_area -Wl,--undefined=__isr_vector
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MAP:=-Wl,-Map=$(MAPNAME)
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LFLAGS:=$(COMMON_FLAGS) $(GC) $(MAP)
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LDLIBS:=--specs=nano.specs -lc -lc -lnosys -L$(LDSCRIPTDIR) -T $(LDSCRIPT)
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# Additional Suffixes
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.SUFFIXES: .elf .hex .bin .dis
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# Targets
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.PHONY: all
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all: $(DISNAME) $(HEXNAME) $(BINNAME)
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$(SIZE) $(ELFNAME)
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.PHONY: upload
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upload: $(DISNAME) $(HEXNAME) $(ELFNAME) $(BINNAME)
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dd bs=1024 conv=nocreat,notrunc if=$(BINNAME) of="/media/$(shell echo $$USER)/CRP DISABLD/firmware.bin"
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cp "/media/$(shell echo $$USER)/CRP DISABLD/firmware.bin" tmp.bin
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diff tmp.bin $(BINNAME)
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$(SIZE) $(ELFNAME)
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.PHONY: clean
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clean:
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$(RM) $(OBJ) $(HEXNAME) $(ELFNAME) $(LIBNAME) $(DISNAME) $(MAPNAME) $(BINNAME)
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# implicit rules
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.elf.hex:
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$(OBJCOPY) -O ihex $< $@
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# create the binary version of the new flashfile
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# extend the file with 0xff to the size of the flash ROM area
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.elf.bin:
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$(OBJCOPY) -O binary --gap-fill 255 --pad-to 65536 $< $@
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# explicit rules
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$(ELFNAME): $(LIBNAME)($(OBJ))
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$(LINK.o) $(LFLAGS) $(LIBNAME) $(LDLIBS) -o $@
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$(DISNAME): $(ELFNAME)
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$(OBJDUMP) -D -S $< > $@
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