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Makefile
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Makefile
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######################################
# target
######################################
TARGET = flash-synth
######################################
# building variables
######################################
# debug build?
DEBUG = 0
# optimization
OPT = -O3
#######################################
# paths
#######################################
# source path
SOURCES_DIR = \
Drivers/CMSIS \
Drivers \
Drivers/STM32L4xx_HAL_Driver
# Build path
BUILD_DIR = build
######################################
# source
######################################
# C sources
C_SOURCES = \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dac.c \
Src/main.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c \
Src/stm32l4xx_hal_msp.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c \
Src/system_stm32l4xx.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c \
Src/stm32l4xx_it.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dac_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_uart_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_tim.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c \
# ASM sources
ASM_SOURCES = \
startup_stm32l432xx.s
#######################################
# binaries
#######################################
BINPATH =
PREFIX = arm-none-eabi-
CC = $(PREFIX)gcc
AS = $(PREFIX)gcc -x assembler-with-cpp
CP = $(PREFIX)objcopy
AR = $(PREFIX)ar
SZ = $(PREFIX)size
HEX = $(CP) -O ihex
BIN = $(CP) -O binary -S
#######################################
# CFLAGS
#######################################
# cpu
CPU = -mcpu=cortex-m4
# fpu
FPU = -mfpu=fpv4-sp-d16
# float-abi
FLOAT-ABI = -mfloat-abi=hard
# mcu
MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
# macros for gcc
# AS defines
AS_DEFS =
# C defines
C_DEFS = \
-DUSE_HAL_DRIVER \
-DSTM32L432xx \
-DRESET_ON_FAULT
# AS includes
AS_INCLUDES =
# C includes
C_INCLUDES = \
-IInc \
-IDrivers/STM32L4xx_HAL_Driver/Inc \
-IDrivers/STM32L4xx_HAL_Driver/Inc/Legacy \
-IDrivers/CMSIS/Device/ST/STM32L4xx/Include \
-IDrivers/CMSIS/Include \
-IDrivers
# compile gcc flags
ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
CFLAGS = $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
ifeq ($(DEBUG), 1)
CFLAGS += -g -gdwarf-2
endif
CFLAGS += -save-temps=obj -fverbose-asm
# Generate dependency information
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
#######################################
# LDFLAGS
#######################################
# link script
LDSCRIPT = STM32L432KCUx_FLASH.ld
# libraries
LIBS = -lc -lm -lnosys
LIBDIR =
LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
# default action: build all
all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).bin $(BUILD_DIR)/$(TARGET).pgm
.PHONY : all
#######################################
# build the application
#######################################
# list of objects
OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
vpath %.c $(sort $(dir $(C_SOURCES)))
# list of ASM program objects
OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
vpath %.s $(sort $(dir $(ASM_SOURCES)))
$(BUILD_DIR)/%.o: %.c | $(BUILD_DIR)
$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
$(BUILD_DIR)/%.o: %.s | $(BUILD_DIR)
$(AS) -c $(CFLAGS) $< -o $@
$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS)
$(CC) $(OBJECTS) $(LDFLAGS) -o $@
$(SZ) $@
#$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
# $(HEX) $< $@
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf version.sh | $(BUILD_DIR)
$(BIN) $< $@
./version.sh $@
# Image to visualize memory usage
$(BUILD_DIR)/%.pgm: $(BUILD_DIR)/%.bin
(echo "P5 256 1024 255" ; cat $< ) > $@
$(BUILD_DIR):
mkdir $@
# flash
.PHONY: flash flash-mingw flash-stl
flash: all
"/mnt/c/Program Files (x86)/STMicroelectronics/STM32 ST-LINK Utility/ST-LINK Utility/ST-LINK_CLI.exe" -c SWD UR -p $(BUILD_DIR)/$(TARGET).bin 0x8000000 -Rst
flash-mingw: all
"C:\Program Files (x86)\STMicroelectronics\STM32 ST-LINK Utility\ST-LINK Utility\ST-LINK_CLI.exe" -c SWD UR LPM -p $(BUILD_DIR)/$(TARGET).bin 0x8000000 -Rst
flash-stl: all
st-flash write $(BUILD_DIR)/$(TARGET).bin 0x8000000
#######################################
# clean up
#######################################
.PHONY: clean
clean:
-rm -fR $(BUILD_DIR)
#######################################
# dependencies
#######################################
-include $(BUILD_DIR)/*.d
# *** EOF ***