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# vim:ts=4:sw=4:sts=4:noexpandtab
MAKEFLAGS += --no-builtin-rules
# Note this file is included to Makefiles in lower directories so all paths here
# are like thy would be from lower directory.
# You have to define EXAMPLE_NAME variable
ifndef EXAMPLE_NAME
$(error Before including examples.mk define EXAMPLE_NAME)
endif
ifndef SRC
$(error Before including examples.mk define SRC)
endif
OBJ = $(patsubst %.c,%.o,$(SRC)) # This creates list of *.o files from *.c
Q ?= @ # This can be overwritten to show commands
CONFIG = .config
.PHONY: all
ifneq ("$(wildcard $(CONFIG))","") # Checking if configuration exists
all: $(EXAMPLE_NAME).hex
@echo Now you can flash $< to your chip.
else
all: $(CONFIG)
endif
# Edit here help like you ever want
.PHONY: help
help:
@echo "AVR-IOE $(EXAMPLE_NAME) example"
@echo " all - Build example"
@echo " config - Start configuration program"
@echo " menuconfig - NCurses based configuration program"
@echo " help - Prints this text"
@echo " clean - Removing all object files generated from source files"
.PHONY: clean
clean:
@echo " CLEAN OBJ"
$(Q)$(RM) $(OBJ)
@echo " CLEAN $(EXAMPLE_NAME).elf $(EXAMPLE_NAME).hex"
$(Q)$(RM) $(EXAMPLE_NAME).elf $(EXAMPLE_NAME).hex
$(Q)$(MAKE) -C ../.. clean O=examples/$(EXAMPLE_NAME)
# Building targets are available only if configuration is generated
ifneq ("$(wildcard $(CONFIG))","")
-include $(CONFIG)
# If you want change some standard CFLAGS, change them in configuration not here.
# Add here only options that should not be applied to avr-ioe also.
CFLAGS = -I../../include -mmcu=$(MMCU) -imacros build/config.h \
$(shell echo $(CCFLAGS)) $(shell echo -DF_CPU=$(F_CPU)000L)
CC = $(CHOST)gcc
OBJCOPY = $(CHOST)objcopy
$(EXAMPLE_NAME).elf: libioe.a
$(EXAMPLE_NAME).elf: $(OBJ)
@echo " LD $@"
$(Q)$(CC) -Os -mmcu=$(MMCU) $(filter %.o,$^) -o $@ -L. -lioe
$(EXAMPLE_NAME).hex: $(EXAMPLE_NAME).elf
@echo " OBJCOPY $@"
$(Q)$(OBJCOPY) -O ihex -R .eeprom $< $@
$(OBJ): %.o: %.c libioe.a
@echo " CC $@"
$(Q)$(CC) $(CFLAGS) -c -o $@ $<
libioe.a: $(CONFIG)
$(Q)$(MAKE) -C ../.. examples/$(EXAMPLE_NAME)/libioe.a O=examples/$(EXAMPLE_NAME)
endif
TOOL_PATH=../../tools
IOEROOT=../../
include ../../tools/kconfig.mk
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