LNSC-2420-Firmware/Makefile

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# --- START OF CONFIG ---------------------------------------------------
# Edit the following variables for your own needs
# toolchain configuration
PREFIX ?= arm-none-eabi-
CC = $(PREFIX)gcc
LD = $(PREFIX)gcc
OBJCOPY = $(PREFIX)objcopy
OBJDUMP = $(PREFIX)objdump
GDB = $(PREFIX)gdb
SIZE = $(PREFIX)size
OOCD = openocd
OOCD_CFG = ./oocd/lnsc-2420.cfg
TOOLCHAIN_DIR ?= /usr/arm-none-eabi
OPENCM3_DIR ?= ./libopencm3
# default build configuration
# "make BUILD=release" does a release build
BUILD:=debug
# basic build flags configuration
CFLAGS+=-Wall -std=c99 -pedantic -Wextra -Wimplicit-function-declaration \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-Wundef -Wshadow \
-fno-common -ffunction-sections -fdata-sections -mcpu=cortex-m0 -mthumb \
-mfloat-abi=soft -MD -DSTM32F0
LDFLAGS+=--static \
-L$(OPENCM3_DIR)/lib \
-nostartfiles -Wl,--gc-sections \
-mthumb -mcpu=cortex-m0 -mthumb -mfloat-abi=soft
# the LD script
#LDFLAGS+=-Tldscripts/lnsc-2420-$(BUILD).ld
LDFLAGS+=-Tldscripts/lnsc-2420-release.ld
# Flags for libopencm3
CFLAGS+=-I$(OPENCM3_DIR)/include
LDFLAGS+=-L$(OPENCM3_DIR)/lib -lopencm3_stm32f0
# Flags for fxplib
CFLAGS+=-Ifxplib/include -DPOINTPOS=16
LDFLAGS+=-Lfxplib/lib/$(BUILD) -lfxp_stm32f0
# generic linking
LDFLAGS+=-Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
# build type specific flags
CFLAGS_debug=-O0 -ggdb -DDEBUG
LDFLAGS_debug=
CFLAGS_release=-Os -ggdb
LDFLAGS_release=
# target configuration
TARGET := lnsc-2420
VERSION := 0.0.0
VCSVERSION := $(shell git rev-parse --short HEAD)
# source files for the project
SOURCE := $(shell find src/ -name '*.c')
INCLUDES := $(shell find src/ -name '*.h')
# additional dependencies for build (proper targets must be specified by user)
DEPS := build_libfxp
# default target
all: $(TARGET)
# user-specific targets
export CFLAGS
export BUILD
export PREFIX
export POSTFIX = stm32f0
build_libfxp:
cd fxplib && $(MAKE)
# --- END OF CONFIG -----------------------------------------------------
OBJ1=$(patsubst %.c, %.o, $(SOURCE))
OBJ=$(patsubst src/%, obj/$(BUILD)/%, $(OBJ1))
VERSIONSTR="\"$(VERSION)-$(VCSVERSION)\""
CFLAGS+=-DVERSION=$(VERSIONSTR)
TARGET_BASE := bin/$(BUILD)/$(TARGET)
CFLAGS+=$(CFLAGS_$(BUILD))
LDFLAGS+=$(LDFLAGS_$(BUILD))
.PHONY show_cflags:
@echo --- Build parameters: ------------------------------------------
@echo CFLAGS\=$(CFLAGS)
@echo LDFLAGS\=$(LDFLAGS)
@echo SOURCE\=$(SOURCE)
@echo -----------------------------------------------------------------
$(TARGET): show_cflags $(TARGET_BASE).elf $(TARGET_BASE).hex \
$(TARGET_BASE).lss $(TARGET_BASE).bin
@$(SIZE) $(TARGET_BASE).elf
@echo ">>> $(BUILD) build complete."
$(TARGET_BASE).elf: $(DEPS) $(OBJ) $(INCLUDES) Makefile
@echo Linking $@ ...
@mkdir -p $(shell dirname $@)
@$(LD) -o $(TARGET_BASE).elf $(OBJ) $(LDFLAGS)
$(TARGET_BASE).hex: $(TARGET_BASE).elf
@echo "Generating $@ ..."
@$(OBJCOPY) -Oihex $< $@
$(TARGET_BASE).bin: $(TARGET_BASE).elf
@echo "Generating $@ ..."
@$(OBJCOPY) -Obinary $< $@
$(TARGET_BASE).lss: $(TARGET_BASE).elf
@echo "Generating $@ ..."
@$(OBJDUMP) -S $< > $@
obj/$(BUILD)/%.o: src/%.c $(INCLUDES) Makefile
@echo "Compiling $< ..."
@mkdir -p $(shell dirname $@)
@$(CC) -c $(CFLAGS) -o $@ $<
clean:
rm -f $(TARGET_BASE).elf
rm -f $(TARGET_BASE).hex
rm -f $(TARGET_BASE).lss
rm -f $(TARGET_BASE).bin
rm -f $(OBJ)
program: program_jlink
reset: reset_jlink
/tmp/jlink_prog_script: Makefile
echo "Device STM32F030C8" > $@
echo "connect" >> $@
echo "S" >> $@
echo "4000" >> $@
echo "loadfile $(TARGET_BASE).hex" >> $@
echo "r" >> $@
echo "g" >> $@
echo "exit" >> $@
/tmp/jlink_rst_script: Makefile
echo "Device STM32F030C8" > $@
echo "connect" >> $@
echo "S" >> $@
echo "4000" >> $@
echo "r" >> $@
echo "g" >> $@
echo "exit" >> $@
program_jlink: /tmp/jlink_prog_script $(TARGET_BASE).hex
JLinkExe </tmp/jlink_prog_script
reset_jlink: /tmp/jlink_rst_script
JLinkExe </tmp/jlink_rst_script
program_release: $(TARGET_BASE).hex
$(OOCD) -f $(OOCD_CFG) \
-c "init" \
-c "reset halt" \
-c "flash write_image erase $(TARGET_BASE).hex" \
-c "resume 0x08000000" \
-c "shutdown"
program_debug: $(TARGET_BASE).hex
$(OOCD) -f $(OOCD_CFG) \
-c "init" \
-c "reset halt" \
-c "load_image $(TARGET_BASE).hex" \
-c "resume `arm-none-eabi-readelf -h bin/debug/$(TARGET).elf | awk '/Entry/{print $$4;}'`" \
-c "shutdown"
debug: $(TARGET_BASE).hex
$(JLINK_GDBSERVER) -device STM32F030C8 -if SWD