70 lines
1.5 KiB
Makefile
70 lines
1.5 KiB
Makefile
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# ethersex project specific defaults, each can be overridden in config.mk
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F_CPU = 20000000UL
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MCU = atmega644
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CC=avr-gcc
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AR=avr-ar
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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AS = avr-as
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CP = cp
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RM = rm -f
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AVRDUDE = avrdude
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AVRDUDE_BAUDRATE = 115200
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SIZE = avr-size
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STRIP = avr-strip
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HOSTCC := gcc
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export HOSTCC
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# flags for the compiler
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CFLAGS ?= -Wall -W -Wno-unused-parameter -Wno-sign-compare
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CFLAGS += -g -Os -std=gnu99 -fgnu89-inline
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# flags for the linker
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LDFLAGS += -mmcu=$(MCU)
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##############################################################################
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# the default target
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$(TARGET):
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##############################################################################
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# include user's config.mk file
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$(TOPDIR)/config.mk:
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@echo "# Put your own config here!" > $@
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@echo "#F_CPU = $(F_CPU)" >> $@
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@echo "#MCU = $(MCU)" >> $@
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@echo "created default config.mk, tune your settings there!"
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-include $(TOPDIR)/config.mk
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##############################################################################
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# configure load address for bootloader, if enabled
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#
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ifneq ($(MAKECMDGOALS),clean)
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ifneq ($(MAKECMDGOALS),mrproper)
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ifneq ($(MAKECMDGOALS),menuconfig)
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include $(TOPDIR)/.config
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CPPFLAGS += -DF_CPU=$(FREQ)UL -mmcu=$(MCU)
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endif # MAKECMDGOALS!=menuconfig
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endif # MAKECMDGOALS!=mrproper
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endif # MAKECMDGOALS!=clean
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ifeq ($(BOOTLOADER_SUPPORT),y)
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LDFLAGS += -Wl,--section-start=.text=0xE000
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CFLAGS += -mcall-prologues
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endif
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%.s: %.c
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$(CC) -o $@ -O0 $(CPPFLAGS) -S $<
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%.E: %.c
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$(CC) -o $@ -O0 $(CPPFLAGS) -C -E -dD $<
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