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# Makefile for LPC122x micro-controller based boards
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TARGET_DIR = apps/$(MODULE)/$(NAME)
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# If you use another of the LPC122x micro-controllers, copy the lpc_link_lpc1224.ld file
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# to match you LPC micro-controller model and modify the memory sizes definitions at the
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# beginning of your new file.
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# Note that the LPC1224 has the smallest memory of the LPC122x branch, and thus using the
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# lpc1224 linker script will work for all LPC122x, but not all memory will be available.
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LPC = lpc1224
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CPU = cortex-m0
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ARCH = armv6-m
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CROSS_COMPILE ?= arm-none-eabi-
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CC = $(CROSS_COMPILE)gcc
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# DEBUG = -ggdb3
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LD_DEBUG = $(DEBUG)
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#LD_DEBUG = $(DEBUG) -Wl,--print-memory-usage
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#LD_DEBUG = $(DEBUG) -Wl,--print-gc-sections -Wl,--print-output-format \
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-Wl,--print-memory-usage
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FOPTS = -fno-builtin -ffunction-sections -fdata-sections -ffreestanding
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CFLAGS = -Wall -O2 $(DEBUG) -mthumb -mcpu=$(CPU) $(FOPTS)
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LDFLAGS = -static $(LD_DEBUG) -nostartfiles -nostdlib -Tlpc_link_$(LPC).ld \
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-Wl,--gc-sections -Wl,--sort-section=alignment -Wl,--build-id=none \
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-Wl,-Map=$(TARGET_DIR)/lpc_map_$(LPC).map
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APPS = $(subst apps/,,$(wildcard apps/*/*/)))
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.PHONY: all $(APPS)
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all: $(APPS)
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INCLUDES = include/
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TARGET_INCLUDES = $(TARGET_DIR)/
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OBJDIR = objs
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C_SRC = $(wildcard */*.c)
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C_SRC += $(wildcard lib/*/*.c)
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C_SRC += $(wildcard lib/protocols/*/*.c)
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A_SRC = $(wildcard */*.s)
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A_SRC += $(wildcard lib/*/*.s)
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A_SRC += $(wildcard lib/protocols/*/*.s)
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# EXTLIB External Lib
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## WOLFSSL
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WOLFSSL ?= no
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ifeq ($(WOLFSSL),yes)
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CFLAGS += -DWOLFSSL_USER_SETTINGS
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C_SRC += $(wildcard extlib/wolfssl/*.c)
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endif
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OBJS = ${C_SRC:%.c=${OBJDIR}/%.o} ${A_SRC:%.s=${OBJDIR}/%.o}
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DEPS = ${OBJS:%.o=$(OBJDIR)/%.d}
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NAME_SRC = $(wildcard $(TARGET_DIR)/*.c)
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NAME_A_SRC = $(wildcard $(TARGET_DIR)/*.s)
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NAME_OBJS = ${NAME_SRC:%.c=${OBJDIR}/%.o} ${NAME_A_SRC:%.s=${OBJDIR}/%.o}
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NAME_DEPS = ${NAME_OBJS:%.o=$(OBJDIR)/%.d}
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-include $(DEPS) $(NAME_DEPS)
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.SECONDARY: $(OBJS) $(NAME_OBJS)
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.PRECIOUS: %.elf
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%.elf: $(OBJS) $(NAME_OBJS)
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@echo "Linking $(MODULE)/$(NAME) ..."
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@$(CC) $(LDFLAGS) $(OBJS) $(NAME_OBJS) -o $@
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%.bin: %.elf
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@echo "Creating image : [32m$@[39m"
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@$(CROSS_COMPILE)objcopy -R .stack -R .bss -O binary $^ $@
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@ls -l $@
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@$(CROSS_COMPILE)size $^
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@echo Done.
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${OBJDIR}/%.o: %.c
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@mkdir -p $(dir $@)
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@echo "-- compiling" $<
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@$(CC) -MMD -MP -MF ${OBJDIR}/$*.d $(CFLAGS) $< -c -o $@ -I$(INCLUDES) -I$(TARGET_INCLUDES)
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${OBJDIR}/%.o: %.s
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@mkdir -p $(dir $@)
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@echo "-- assembing" $<
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@$(CC) -MMD -MP -MF ${OBJDIR}/$*.d $(CFLAGS) $< -c -o $@ -I$(INCLUDES) -I$(TARGET_INCLUDES)
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$(APPS):
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@make --no-print-directory MODULE=$(shell dirname $@) NAME=$(shell basename $@) apps/$(shell dirname $@)/$(shell basename $@)/$(shell basename $@).bin
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all_apps: $(APPS)
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clean:
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rm -rf $(OBJDIR)
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mrproper: clean
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rm -f apps/*/*/*.bin apps/*/*/*.elf apps/*/*/*.map
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# Some notes :
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# The command "make -f /path/to/here/Makefile module/app_name" does not work, as well
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# as the command "make -f /path/to/here/apps/module/app_name/Makefile".
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# This could be solved in the app Makefiles by replacing
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# "NAME = $(shell basename $(CURDIR))"
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# with
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# "NAME = $(shell basename $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))))"
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# and possibly some similar trick for the base Makefile but this is just
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# unreadable and moslty unusefull, so it won't be supported.
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# Use "make -C /path/to/here/ module/app_name" or "make -C /path/to/here/apps/module/app_name"
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# instead.
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