######################################

# target

######################################

TARGET = hover

######################################

# building variables

######################################

# debug build?

DEBUG = 1

# optimization

OPT = -Og

# Build path

BUILD_DIR = build

######################################

# source

######################################

# C sources

C_SOURCES =  \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc_ex.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_adc.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_i2c.c \

Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c \

Src/system_stm32f1xx.c \

Src/setup.c \

Src/control.c \

Src/main.c \

Src/bldc.c \

Src/comms.c \

Src/stm32f1xx_it.c \

# ASM sources

ASM_SOURCES =  \

startup_stm32f103xe.s

#######################################

# binaries

#######################################

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-m3

# fpu

# NONE for Cortex-M0/M0+/M3

# float-abi

# mcu

MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)

# macros for gcc

# AS defines

AS_DEFS =

# C defines

C_DEFS =  \

-DUSE_HAL_DRIVER \

-DSTM32F103xE

# AS includes

AS_INCLUDES =

# C includes

C_INCLUDES =  \

-IInc \

-IDrivers/STM32F1xx_HAL_Driver/Inc \

-IDrivers/STM32F1xx_HAL_Driver/Inc/Legacy \

-IDrivers/CMSIS/Device/ST/STM32F1xx/Include \

-IDrivers/CMSIS/Include

# 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 -std=gnu11

ifeq ($(DEBUG), 1)

CFLAGS += -g -gdwarf-2

endif

# Generate dependency information

CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)" -MT"$(@:%.o=%.d)"

#######################################

# LDFLAGS

#######################################

# link script

LDSCRIPT = STM32F103RCTx_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).hex $(BUILD_DIR)/$(TARGET).bin

#######################################

# 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 Inc/config.h Makefile | $(BUILD_DIR)

	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@

$(BUILD_DIR)/%.o: %.s Inc/config.h Makefile | $(BUILD_DIR)

	$(AS) -c $(CFLAGS) $< -o $@

$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile

	$(CC) $(OBJECTS) $(LDFLAGS) -o $@

	$(SZ) $@

$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)

	$(HEX) $< $@

$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)

	$(BIN) $< $@

$(BUILD_DIR):

	mkdir -p $@

format:

	find Src/ Inc/ -iname '*.h' -o -iname '*.c' | xargs clang-format -i

#######################################

# clean up

#######################################

clean:

	-rm -fR .dep $(BUILD_DIR)

flash:

	st-flash --reset write $(BUILD_DIR)/$(TARGET).bin 0x8000000

unlock:

	openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg -c init -c "reset halt" -c "stm32f1x unlock 0"

#######################################

# dependencies

#######################################

-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)

# *** EOF ***