181 lines
4.5 KiB
Makefile
181 lines
4.5 KiB
Makefile
# --- START OF CONFIG ---------------------------------------------------
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# Edit the following variables for your own needs
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# toolchain configuration
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PREFIX ?= arm-none-eabi-
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CC = $(PREFIX)gcc
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LD = $(PREFIX)gcc
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OBJCOPY = $(PREFIX)objcopy
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OBJDUMP = $(PREFIX)objdump
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GDB = $(PREFIX)gdb
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SIZE = $(PREFIX)size
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OOCD = openocd
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OOCD_CFG = ./oocd/tinyfancontrol.cfg
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TOOLCHAIN_DIR ?= /usr/arm-none-eabi
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OPENCM3_DIR ?= ./libopencm3
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# default build configuration
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# "make BUILD=release" does a release build
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BUILD:=debug
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# basic build flags configuration
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CFLAGS+=-Wall -std=c99 -pedantic -Wextra -Wimplicit-function-declaration \
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-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
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-Wundef -Wshadow \
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-fno-common -ffunction-sections -fdata-sections -mcpu=cortex-m0 -mthumb \
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-mfloat-abi=soft -MD -DSTM32L0
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LDFLAGS+=--static \
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-L$(OPENCM3_DIR)/lib \
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-nostartfiles -Wl,--gc-sections \
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-mthumb -mcpu=cortex-m0 -mthumb -mfloat-abi=soft
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# the LD script (RAM-only does not work because the code is too large)
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#LDFLAGS+=-Tldscripts/tinyfancontrol-$(BUILD).ld
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LDFLAGS+=-Tldscripts/tinyfancontrol-release.ld
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# Flags for libopencm3
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CFLAGS+=-I$(OPENCM3_DIR)/include
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LDFLAGS+=-L$(OPENCM3_DIR)/lib -lopencm3_stm32l0
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# Flags for fxplib
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CFLAGS+=-Ifxplib/include -DPOINTPOS=16
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LDFLAGS+=-Lfxplib/lib/$(BUILD) -lfxp_stm32l0
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# generic linking
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LDFLAGS+=-Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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# build type specific flags
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CFLAGS_debug=-O0 -ggdb -DDEBUG
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LDFLAGS_debug=
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CFLAGS_release=-Os -ggdb
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LDFLAGS_release=
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# target configuration
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TARGET := tinyfancontrol
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VERSION := $(shell git describe --always)
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# source files for the project
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SOURCE := $(shell find src/ -name '*.c')
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INCLUDES := $(shell find src/ -name '*.h')
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# additional dependencies for build (proper targets must be specified by user)
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DEPS := build_libfxp
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# default target
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all: $(TARGET)
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# user-specific targets
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export CFLAGS
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export BUILD
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export PREFIX
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export POSTFIX = stm32l0
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build_libfxp:
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cd fxplib && $(MAKE)
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# --- END OF CONFIG -----------------------------------------------------
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OBJ1=$(patsubst %.c, %.o, $(SOURCE))
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OBJ=$(patsubst src/%, obj/$(BUILD)/%, $(OBJ1))
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VERSIONSTR="\"$(VERSION)\""
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CFLAGS+=-DVERSION=$(VERSIONSTR)
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TARGET_BASE := bin/$(BUILD)/$(TARGET)
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CFLAGS+=$(CFLAGS_$(BUILD))
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LDFLAGS+=$(LDFLAGS_$(BUILD))
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.PHONY show_cflags:
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@echo --- Build parameters: ------------------------------------------
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@echo CFLAGS\=$(CFLAGS)
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@echo LDFLAGS\=$(LDFLAGS)
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@echo SOURCE\=$(SOURCE)
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@echo -----------------------------------------------------------------
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$(TARGET): show_cflags $(TARGET_BASE).elf $(TARGET_BASE).hex \
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$(TARGET_BASE).lss $(TARGET_BASE).bin
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@$(SIZE) $(TARGET_BASE).elf
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@echo ">>> $(BUILD) build complete."
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$(TARGET_BASE).elf: $(DEPS) $(OBJ) $(INCLUDES) Makefile
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@echo Linking $@ ...
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@mkdir -p $(shell dirname $@)
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@$(LD) -o $(TARGET_BASE).elf $(OBJ) $(LDFLAGS)
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$(TARGET_BASE).hex: $(TARGET_BASE).elf
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@echo "Generating $@ ..."
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@$(OBJCOPY) -Oihex $< $@
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$(TARGET_BASE).bin: $(TARGET_BASE).elf
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@echo "Generating $@ ..."
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@$(OBJCOPY) -Obinary $< $@
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$(TARGET_BASE).lss: $(TARGET_BASE).elf
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@echo "Generating $@ ..."
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@$(OBJDUMP) -S $< > $@
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obj/$(BUILD)/%.o: src/%.c $(INCLUDES) Makefile
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@echo "Compiling $< ..."
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@mkdir -p $(shell dirname $@)
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@$(CC) -c $(CFLAGS) -o $@ $<
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clean:
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rm -f $(TARGET_BASE).elf
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rm -f $(TARGET_BASE).hex
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rm -f $(TARGET_BASE).lss
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rm -f $(TARGET_BASE).bin
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rm -f $(OBJ)
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program: program_jlink
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reset: reset_jlink
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/tmp/jlink_prog_script: Makefile
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echo "Device STM32L010K8" > $@
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echo "connect" >> $@
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echo "S" >> $@
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echo "4000" >> $@
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echo "loadfile $(TARGET_BASE).hex" >> $@
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echo "r" >> $@
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echo "g" >> $@
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echo "exit" >> $@
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/tmp/jlink_rst_script: Makefile
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echo "Device STM32L010K8" > $@
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echo "connect" >> $@
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echo "S" >> $@
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echo "4000" >> $@
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echo "r" >> $@
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echo "g" >> $@
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echo "exit" >> $@
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program_jlink: /tmp/jlink_prog_script $(TARGET_BASE).hex
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JLinkExe </tmp/jlink_prog_script
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reset_jlink: /tmp/jlink_rst_script
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JLinkExe </tmp/jlink_rst_script
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program_release: $(TARGET_BASE).hex
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$(OOCD) -f $(OOCD_CFG) \
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-c "init" \
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-c "reset halt" \
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-c "flash write_image erase $(TARGET_BASE).hex" \
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-c "resume 0x08000000" \
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-c "shutdown"
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program_debug: $(TARGET_BASE).hex
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$(OOCD) -f $(OOCD_CFG) \
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-c "init" \
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-c "reset halt" \
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-c "load_image $(TARGET_BASE).hex" \
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-c "resume `arm-none-eabi-readelf -h bin/debug/$(TARGET).elf | awk '/Entry/{print $$4;}'`" \
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-c "shutdown"
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debug: $(TARGET_BASE).hex
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JLinkGDBServerCLExe -device STM32L010K8 -if SWD
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