84 lines
2.2 KiB
Makefile
84 lines
2.2 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
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###############################################################################
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# Makefile for the RES-Raven-Mega3290 project
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###############################################################################
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## General Flags
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PROJECT = ravenlcd_3290
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MCU = atmega3290
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TARGET = $(PROJECT).elf
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CC = avr-gcc
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## Options common to compile, link and assembly rules
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COMMON = -mmcu=$(MCU)
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COMMON += -DF_CPU=8000000UL
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## Compile options common for all C compilation units.
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CFLAGS = $(COMMON) $(CEXTRA)
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CFLAGS += -D AVRGCC -Wall -gdwarf-2 -Os -fsigned-char
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CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d
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CFLAGS += -fshort-enums
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## Assembly specific flags
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ASMFLAGS = $(COMMON)
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ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf-2
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## Linker flags
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LDFLAGS = $(COMMON)
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LDFLAGS += -Wl,-Map=$(PROJECT).map,--cref
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## Intel Hex file production flags
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HEX_FLASH_FLAGS = -j .text -j .data
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HEX_EEPROM_FLAGS = -j .eeprom
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HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
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HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0
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## Include Directories
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INCLUDES =
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## Objects that must be built in order to link
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SRC = adc.c key.c lcd.c raven3290.c uart.c menu.c sleep.c beep.c temp.c timer.c
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OBJECTS = $(SRC:.c=.o)
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## Objects explicitly added by the user
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LINKONLYOBJECTS =
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## Build
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all: $(TARGET) $(PROJECT).hex $(PROJECT).eep $(PROJECT).lss size
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## Compile: create object files from C source files.
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.c.o:
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$(CC) $(INCLUDES) $(CFLAGS) -c $<
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##Link
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$(TARGET): $(OBJECTS)
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$(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)
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%.hex: $(TARGET)
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avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@
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%.eep: $(TARGET)
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avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0
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%.lss: $(TARGET)
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avr-objdump -h -S $< > $@
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size: ${TARGET}
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@echo
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@avr-size -C --mcu=${MCU} ${TARGET}
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## Clean target
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.PHONY: clean
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clean:
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-rm -rf $(OBJECTS) $(PROJECT).elf dep/* $(PROJECT).hex $(PROJECT).eep $(PROJECT).map $(PROJECT).lss
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## Other dependencies
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## In cygwin the /dep folder causes make to fail after the initial make.
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## $make CYG=1 allows cleans and makes based on .c dependencies (but not .h)
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ifndef CYG
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-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*)
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endif
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