Max Regan
5b0dbb9743
For now, printf() isn't hooked up to anything, but snprintf() can be used to create a string to pass off to usart.tx_blocking().
226 lines
6.7 KiB
Makefile
226 lines
6.7 KiB
Makefile
# Copyright 2019, Max Regan
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Tools
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#
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TOOL_PREFIX ?= arm-none-eabi-
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CC = $(TOOL_PREFIX)gcc
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CXX = $(TOOL_PREFIX)g++
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CPP = $(TOOL_PREFIX)cpp
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AS = $(TOOL_PREFIX)as
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LD = $(TOOL_PREFIX)g++
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OBJCOPY = $(TOOL_PREFIX)objcopy
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STM32_PROG = STM32_Programmer.sh
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#
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# Device Variables
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#
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BOARD ?= watch
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ifeq ($(BOARD), watch)
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DEVICE_TYPE ?= stm32l031k6
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DEVICE_FAMILY = stm32l031xx
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DEVICE_LINE = stm32l0xx
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STACK_SIZE ?= 768
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HEAP_SIZE ?= 0
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else ifeq ($(BOARD), devboard)
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DEVICE_TYPE ?= stm32l412rb
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DEVICE_FAMILY = stm32l412xx
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DEVICE_LINE = stm32l4xx
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STACK_SIZE ?= 768
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HEAP_SIZE ?= 0
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else
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$(error Unsupported board: $(BOARD))
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endif
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#
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# Filenames and paths
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#
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# Ignores dotfiles and other garbage some tools leave behind
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define find_important
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$(shell find $(1) -type f -and -name $(2) -and -not -iname "*~" -and -not -iname "*#*" -and -not \( -path "*.cquery_cached_index*" \) -and -not \( -path "*build*" \) -and -not \( -path "*ThirdParty/printf/test/*" \) )
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endef
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FONTS := small large_digits
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FONT_GEN_DIR := build/gen/fonts
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FONT_C_FILES := $(patsubst %,$(FONT_GEN_DIR)/%.c,$(FONTS))
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FONT_H_FILES := $(patsubst %,$(FONT_GEN_DIR)/%.h,$(FONTS))
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C_SOURCES := $(call find_important, $(SOURCEDIR), '*.c') $(FONT_C_FILES)
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CXX_SOURCES := $(call find_important, $(SOURCEDIR), '*.cpp')
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S_SOURCES := $(call find_important, $(SOURCEDIR), '*.s')
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SPP_SOURCES := Bsp/Mcu/$(DEVICE_TYPE).S
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SOURCES = $(C_SOURCES) $(S_SOURCES) $(SPP_SOURCES) $(CPP_SOURCES)
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C_OBJS := $(patsubst %.c,%.o,$(C_SOURCES))
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CXX_OBJS := $(patsubst %.cpp,%.o,$(CXX_SOURCES))
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S_OBJS := $(patsubst %.s,%.o,$(S_SOURCES))
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SPP_OBJS := $(patsubst %.S,%.o,$(SPP_SOURCES))
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OBJS = $(C_OBJS) $(S_OBJS) $(SPP_OBJS) $(CXX_OBJS)
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LINKER_SCRIPT ?= Bsp/Mcu/$(DEVICE_TYPE).ld
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OUTPUT_NAME ?= watch
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OUTPUT_BIN ?= $(OUTPUT_NAME).bin
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OUTPUT_ELF ?= $(OUTPUT_NAME).elf
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OUTPUT_MAP ?= $(OUTPUT_NAME).map
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#
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# Flags
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#
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DEVICE_FAMILY_DEFINE = $(subst XX,xx,$(shell echo $(DEVICE_FAMILY) | tr '[:lower:]' '[:upper:]'))
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DEVICE_TYPE_DEFINE = $(shell echo $(DEVICE_TYPE) | tr '[:lower:]' '[:upper:]')
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DEVICE_LINE_DEFINE = $(shell echo $(DEVICE_LINE) | tr '[:lower:]' '[:upper:]')
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CPU_FLAGS = -mthumb -mcpu=cortex-m0plus -mfloat-abi=soft
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# C pedantism
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CFLAGS = -Wall -Wextra -pedantic -Werror -Wcast-align
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CXX_FLAGS = -Wsuggest-override -Wsuggest-final-methods -Wsuggest-final-types
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# Debug/optimization
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CFLAGS += -Os -ggdb
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CFLAGS += -fdata-sections -ffunction-sections
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# Architecture
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CFLAGS += $(CPU_FLAGS)
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CFLAGS += -ffreestanding
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CFLAGS += -fstack-usage -Wstack-usage=128
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# Defines
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CFLAGS += -D$(DEVICE_FAMILY_DEFINE) -D$(DEVICE_TYPE_DEFINE) -D$(DEVICE_LINE_DEFINE)
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CFLAGS += -DPRINTF_DISABLE_SUPPORT_FLOAT -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T
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# Consider this one if we are running short on flash, it saved about 1K
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#CFLAGS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG
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# Includes
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CFLAGS += -I./Bsp/Mcu/
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CFLAGS += -I./ThirdParty/stm32/$(DEVICE_LINE)/Include
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CFLAGS += -I./ThirdParty/CMSIS/Core/Include
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CFLAGS += -I./ThirdParty/printf
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CFLAGS += -I./build/gen/
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CFLAGS += -I.
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CXX_FLAGS += -std=c++14 -fno-exceptions -fno-rtti -fno-use-cxa-atexit
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# Startup Definitions
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ASFLAGS += $(CPU_FLAGS)
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ASFLAGS += -D__STARTUP_CLEAR_BSS
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ASFLAGS += -D__HEAP_SIZE=$(HEAP_SIZE)
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ASFLAGS += -D__STACK_SIZE=$(STACK_SIZE)
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LDFLAGS += $(CPU_FLAGS)
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LDFLAGS += -Wl,--gc-sections -Wl,--build-id=none -static
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LDFLAGS += -Wl,--wrap=malloc -Wl,--wrap=free # Fail to link if dynamic allocation is sneaking through
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LDFLAGS += -Wl,-print-memory-usage
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# LDFLAGS += -lstdc++ -latomic
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LDFLAGS += -nostartfiles
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#
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# Build info
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#
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$(info ================================)
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$(info Build Parameters)
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$(info Board: $(BOARD))
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$(info Device: $(DEVICE_TYPE))
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$(info Device define: $(DEVICE_TYPE_DEFINE))
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$(info Device type define: $(DEVICE_FAMILY_DEFINE))
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$(info Device line define: $(DEVICE_LINE_DEFINE))
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$(info Stack size: $(STACK_SIZE))
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$(info Heap size: $(HEAP_SIZE))
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$(info ================================)
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#
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# Default Target
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#
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.PHONY: build
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build: $(OUTPUT_BIN)
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#
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# Build Logic
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#
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%.o: %.c $(FONT_H_FILES)
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@echo "CC $@"
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@$(CC) $(CFLAGS) -c $< -o $@
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%.o: %.S $(FONT_H_FILES)
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@echo "AS $@"
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@$(CC) $(ASFLAGS) -c $< -o $@
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%.o: %.cpp $(FONT_H_FILES)
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@echo "CXX $@"
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@$(CXX) $(CXX_FLAGS) $(CFLAGS) -c $< -o $@
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SMALL_FONT=ThirdParty/fonts/roboto_mono/RobotoMono-Regular.ttf
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$(FONT_GEN_DIR)/small.h $(FONT_GEN_DIR)/small.c: Gen/fixedfont-to-c.py Gen/font.py
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@echo "GEN $@"
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@mkdir -p $(FONT_GEN_DIR)
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@Gen/fixedfont-to-c.py $(patsubst .%,%,$(suffix $@)) $(SMALL_FONT) "$@" -s 20 --header-dir "Bsp/" --name font_small
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LARGE_FONT=ThirdParty/fonts/roboto_mono/RobotoMono-Bold.ttf
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$(FONT_GEN_DIR)/large_digits.h $(FONT_GEN_DIR)/large_digits.c: Gen/fixedfont-to-c.py Gen/font.py
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@echo "GEN $@"
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@mkdir -p $(FONT_GEN_DIR)
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@Gen/fixedfont-to-c.py $(patsubst .%,%,$(suffix $@)) $(LARGE_FONT) "$@" -s 70 --header-dir "Bsp/" --name font_large_digits -c "01234567890:"
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$(OUTPUT_BIN): $(OUTPUT_ELF)
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@echo "OBJCOPY $@"
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@$(OBJCOPY) -O binary $(OUTPUT_ELF) $(OUTPUT_BIN)
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$(OUTPUT_MAP) $(OUTPUT_ELF): $(LINKER_SCRIPT) $(OBJS)
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@echo "LD $@"
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@$(LD) -T $(LINKER_SCRIPT) $(LDFLAGS) -o $(OUTPUT_ELF) $(OBJS) -Wl,-Map=$(OUTPUT_MAP)
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#
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# Utilities
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#
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STM32FLASH_DEVICE = /dev/ttyUSB0
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.PHONY: flash
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flash: $(OUTPUT_BIN)
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@echo "FLASH $(OUTPUT_BIN)"
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$(STM32_PROG) --connect port=SWD reset=Hwrst -w $(OUTPUT_BIN) 0x8000000 -v --go
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jlink: $(OUTPUT_BIN)
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@echo "FLASH $(OUTPUT_BIN)"
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JLinkExe -device $$(echo $(DEVICE_TYPE) | tr '[:lower:]' '[:upper:]') -if SWD \
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-speed auto -autoconnect 1 -CommanderScript cmd.jlink
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.PHONY: clean
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clean:
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rm -f $(OBJS) $(OUTPUT_BIN) $(OUTPUT_ELF) $(FONT_C_FILES) $(FONT_H_FILES) $(OUTPUT_MAP) $(addsuffix .su,$(basename $(OBJS)))
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