Makefile

# Compilator prefix

CROSS_PREFIX=arm-softfloat-linux-gnueabi-

# Compilators and utils

CC=$(CROSS_PREFIX)gcc

OBJCOPY=$(CROSS_PREFIX)objcopy

# Paths

STM_PATH=../../stlink/example

LIBS_STM_PATH=$(STM_PATH)/libs_stm

# Platform

PLATFORM=stm32f4xx

# Primary compiler flags

CFLAGS=-g -O2 -mlittle-endian -mthumb -ffreestanding -nostdlib -nostdinc

CFLAGS+= -mcpu=cortex-m3 -DSTM32F4XX

# Secondary compiler flags

CFLAGS+= -I.

CFLAGS+= -I$(LIBS_STM_PATH)/inc/base

CFLAGS+= -I$(LIBS_STM_PATH)/inc/core_support

CFLAGS+= -I$(LIBS_STM_PATH)/inc/device_support

CFLAGS+= -Wl,-T,stm32f4xxxg_flash.ld

# Linker flags

LDFLAGS=-L.

# Sources and objects

SRCS=$(wildcard *.c)

OBJS=$(SRCS:.c=.o)

# Rules for compile

all: firmware.bin

# Making binary firmware file

%bin: %elf

    $(OBJCOPY) -O binary $^ $@

# Making elf

firmware.elf: $(OBJS)

    $(CC) $(CFLAGS) -o $@ $(OBJS) $(LDFLAGS)

# Making objects

%.o: $.c

    $(CC) $(CFLAGS) -c -o $@ $^

# Rules for clean

clean:

    rm -rf *.o *.elf *.bin

# Rules for write firmware to mcu

write: firmware.bin

    qstlink2 -cewV ./firmware.bin

# PHONY

.PHONY: all clean