commit bc5c5931a715e219b63259b73dda7f8cf4fb1f37
Author: Steffen Vogel <post@steffenvogel.de>
Date:   Sun Feb 8 22:53:23 2015 +0100

    simplified makefile

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..edeb8e2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,18 @@
+# Compiler output
+*.o
+*.a
+*.bin
+*.elf
+*.hex
+*.lst
+*.map
+
+# Makefile dependencies
+dep/
+
+# Object directories
+obj/
+
+# Third-Party firmware from ST
+cube/
+
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ce81f5e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,169 @@
+# STM32 Makefile for GNU toolchain and openocd
+#
+# Copyright	2013 Steffen Vogel
+# License	http://www.gnu.org/licenses/gpl.txt GNU Public License
+# Author	Steffen Vogel <post@steffenvogel.de>
+# Link		http://www.steffenvogel.de
+# 
+
+# A name common to all output files (elf, map, hex, bin, lst)
+TARGET     = demo
+
+# Take a look into $(CUBE_DIR)/Drivers/BSP for available BSPs
+BOARD      = STM32F3-Discovery
+#BOARD     = STM32303C_EVAL
+#BOARD     = STM32303E_EVAL
+#BOARD     = STM32373C_EVAL
+#BOARD     = STM32F302R8-Nucleo
+#BOARD     = STM32F303RE-Nucleo
+#BOARD     = STM32F3348-Discovery
+#BOARD     = STM32F334R8-Nucleo
+#BOARD     = STM32F3-Discovery
+#BOARD     = Adafruit_Shield
+
+OCDFLAGS   = -f board/stm32f3discovery.cfg
+GDBFLAGS   = 
+
+#EXAMPLE   = Templates
+EXAMPLE    = Examples/GPIO/GPIO_IOToggle
+
+# MCU family and type in various capitalizations o_O
+MCU_FAMILY = stm32f3xx
+MCU_LC     = stm32f303xc
+MCU_MC     = STM32F303xC
+MCU_UC     = STM32F303XC
+
+# Your C files from the /src directory
+SRCS       = main.c
+SRCS      += system_$(MCU_FAMILY).c
+SRCS      += stm32f3xx_it.c
+
+SRCS      += stm32f3xx_hal_rcc.c
+SRCS      += stm32f3xx_hal_rcc_ex.c
+SRCS      += stm32f3xx_hal.c
+SRCS      += stm32f3xx_hal_cortex.c
+SRCS      += stm32f3xx_hal_gpio.c
+
+CUBE_URL   = http://www.st.com/st-web-ui/static/active/en/st_prod_software_internet/resource/technical/software/firmware/stm32cubef3.zip
+CUBE_DIR   = cube
+
+BSP_DIR    = $(CUBE_DIR)/Drivers/BSP/$(BOARD)
+HAL_DIR    = $(CUBE_DIR)/Drivers/STM32F3xx_HAL_Driver
+CMSIS_DIR  = $(CUBE_DIR)/Drivers/CMSIS
+DEV_DIR    = $(CMSIS_DIR)/Device/ST/STM32F3xx
+
+# location of OpenOCD Board .cfg files (only used with 'make program')
+OCD_DIR    = /usr/share/openocd/scripts/board
+
+# that's it, no need to change anything below this line!
+
+###############################################################################
+# Toolchain
+
+PREFIX     = arm-none-eabi
+CC         = $(PREFIX)-gcc
+AR         = $(PREFIX)-ar
+OBJCOPY    = $(PREFIX)-objcopy
+OBJDUMP    = $(PREFIX)-objdump
+SIZE       = $(PREFIX)-size
+GDB        = $(PREFIX)-gdb
+
+OCD        = openocd
+
+###############################################################################
+# Options
+
+# Defines
+DEFS       = -D $(MCU_MC)
+
+# Include search paths (-I)
+INCS       = -I src
+INCS      += -I $(BSP_DIR)
+INCS      += -I $(CMSIS_DIR)/Include
+INCS      += -I $(DEV_DIR)/Include
+INCS      += -I $(HAL_DIR)/Inc
+
+# Library search paths
+LIBS       = -L $(CMSIS_DIR)/Lib
+
+# Compiler flags
+CFLAGS     = -Wall -g -std=c99 -Os
+CFLAGS    += -mlittle-endian -mcpu=cortex-m4 -march=armv7e-m -mthumb
+CFLAGS    += -mfpu=fpv4-sp-d16 -mfloat-abi=hard
+CFLAGS    += -ffunction-sections -fdata-sections
+CFLAGS    += $(INCS) $(DEFS)
+
+# Linker flags
+LDFLAGS    = -Wl,--gc-sections -Wl,-Map=$(TARGET).map $(LIBS) -T $(MCU_LC).ld
+
+# Source search paths
+VPATH      = ./src
+VPATH     += $(HAL_DIR)/Src
+VPATH     += $(DEV_DIR)/Source/
+
+OBJS       = $(addprefix obj/,$(SRCS:.c=.o))
+DEPS       = $(addprefix dep/,$(SRCS:.c=.d))
+
+# Prettify output
+V = 0
+ifeq ($V, 0)
+	Q = @
+	P = > /dev/null
+endif
+
+###################################################
+
+.PHONY: all dirs program debug example clean veryclean
+
+all: $(TARGET).elf
+
+-include $(DEPS)
+
+dirs: dep obj
+dep obj src:
+	@echo "[MKDIR]   $@"
+	$Qmkdir -p $@
+
+obj/%.o : %.c | dirs
+	@echo "[CC]      $(notdir $<)"
+	$Q$(CC) $(CFLAGS) -c -o $@ $< -MMD -MF dep/$(*F).d
+
+$(TARGET).elf: $(OBJS)
+	@echo "[LD]      $(TARGET).elf"
+	$Q$(CC) $(CFLAGS) $(LDFLAGS) src/startup_$(MCU_LC).s $^ -o $@
+	@echo "[OBJDUMP] $(TARGET).lst"
+	$Q$(OBJDUMP) -St $(TARGET).elf >$(TARGET).lst
+	@echo "[SIZE]    $(TARGET).elf"
+	$(SIZE) $(TARGET).elf
+
+program: all
+	$(OCD) -c "program $(TARGET).elf verify reset" $(OCDFLAGS)
+
+debug:
+	$(GDB)  -ex "target remote | openocd $(OCDFLAGS) -c 'gdb_port pipe'" \
+		-ex "monitor reset halt" \
+		-ex "load" $(GDBFLAGS) $(TARGET).elf
+
+cube:
+	wget -O cube.zip $(CUBE_URL)
+	unzip cube.zip
+	mv STM32Cube* cube
+	chmod -R u+w cube
+	rm -f cube.zip
+
+example: cube src
+	cp -r $(CUBE_DIR)/Projects/$(BOARD)/$(EXAMPLE)/Src/* src
+	cp -r $(CUBE_DIR)/Projects/$(BOARD)/$(EXAMPLE)/Inc/* src
+	cp $(DEV_DIR)/Source/Templates/gcc/startup_$(MCU_LC).s src
+	cp $(DEV_DIR)/Source/Templates/gcc/linker/$(MCU_UC)_FLASH.ld scripts/$(MCU_LC).ld
+
+clean:
+	@echo "[RM]      $(TARGET).elf"; rm -f $(TARGET).elf
+	@echo "[RM]      $(TARGET).map"; rm -f $(TARGET).map
+	@echo "[RM]      $(TARGET).lst"; rm -f $(TARGET).lst
+	@echo "[RMDIR]   dep"          ; rm -fr dep
+	@echo "[RMDIR]   obj"          ; rm -fr obj
+
+veryclean: clean
+	@echo "[RMDIR]   cube"         ; rm -fr cube
+	@echo "[RM]      $(MCU_LC).ld" ; rm -f $(MCU_LC).ld