Build sample audio player

今日はサンプルのオーディオプレーヤを Makefileでビルドできるようにする。

基本は Audio_playback_and_record/EWARM/Audio_playback_and_record.ewd などのプロジェクトファイルの中をみればなんとなく雰囲気はわかる。

USB, Fileシステムいろいろライブラリもソースもあるので、だいたいやりたいことはこれを弄っていけばいけそう。とはいえ、まずはLチカだな。

DEBUG  = true

STM_FW = ./STM32F4-Discovery_FW_V1.1.0

CC     = arm-none-eabi-gcc
OBJCOPY= arm-none-eabi-objcopy
SIZE   = arm-none-eabi-size

# Project name
PROJECT=$(STM_FW)/Project/Audio_playback_and_record
BIN_NAME=tiny_synth
OUTPATH=bin

MEDIA_SOURCE=FLASH
#MEDIA_SOURCE=USB

# Sources
SRC_DIR = $(PROJECT)/src
SRCS = $(SRC_DIR)/main.c \
	$(SRC_DIR)/stm32f4xx_it.c \
	$(SRC_DIR)/system_stm32f4xx.c \
	$(SRC_DIR)/waveplayer.c

# Library code
SRCS += stm32f4xx_exti.c \
	stm32f4xx_rcc.c \
	stm32f4_discovery.c \
	stm32f4xx_tim.c \
	stm32f4_discovery_lis302dl.c \
	stm32f4_discovery_audio_codec.c \
	misc.c stm32f4xx_adc.c \
	stm32f4xx_dac.c \
	stm32f4xx_dma.c \
	stm32f4xx_flash.c \
	stm32f4xx_gpio.c \
	stm32f4xx_i2c.c \
	stm32f4xx_spi.c \
	stm32f4xx_syscfg.c

ifeq ($(MEDIA_SOURCE), USB)
# USB client
SRCS += $(SRC_DIR)/waverecorder.c \
	$(SRC_DIR)/usb_bsp.c \
	$(SRC_DIR)/usbh_usr.c
# USB library
SRCS += usb_core.c \
	usb_hcd.c \
	usb_hcd_int.c \
	usbh_core.c \
	usbh_hcs.c usbh_ioreq.c \
	usbh_stdreq.c \
	usbh_msc_bot.c \
	usbh_msc_core.c \
	usbh_msc_fatfs.c \
	usbh_msc_scsi.c
# File system library
SRCS += fattime.c ff.c
else # Flash
SRCS += $(SRC_DIR)/audio_sample.c
endif

# add startup file to build
SRCS += $(STM_FW)/Libraries/CMSIS/ST/STM32F4xx/Source/Templates/TrueSTUDIO/startup_stm32f4xx.s

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

# Choose debug or release
#CFLAGS = -O2           # Normal
CFLAGS = -ggdb -O0       # RSW - for GDB debugging, disable optimizer

CFLAGS += -Wall
#CFLAGS += -T$(PROJECT)/TrueSTUDIO/MEDIA_InFLASH/stm32_flash.ld
CFLAGS += -Tldscripts/stm32_flash.ld

CFLAGS += -DUSE_STDPERIPH_DRIVER
CFLAGS += -DSTM32F4XX
#CFLAGS += -DUSE_ULPI_PHY

ifeq ($(MEDIA_SOURCE), USB)
CFLAGS += -DUSE_USB_OTG_FS
CFLAGS += -DMEDIA_USB_KEY
#CFLAGS += -DUSE_USB_OTG_HS
#CFLAGS += -DUSE_ACCURATE_TIME
else
CFLAGS += -DMEDIA_IntFLASH
endif

ifeq ($(DEBUG), true)
CFLAGS += -DUSE_PRINTF
endif

CFLAGS += -mlittle-endian -mthumb -mthumb-interwork -mcpu=cortex-m4
#CFLAGS += -mfpu=fpv4-sp-d16
#-mfloat-abi=hard
CFLAGS += -lc -lrdimon
CFLAGS += --specs=rdimon.specs


###################################################
vpath %.c src
vpath %.c $(STM_FW)/Libraries/STM32F4xx_StdPeriph_Driver/src \
$(STM_FW)/Libraries/STM32_USB_OTG_Driver/src \
$(STM_FW)/Libraries/STM32_USB_HOST_Library/Core/src \
$(STM_FW)/Libraries/STM32_USB_HOST_Library/Class/MSC/src \
$(STM_FW)/Utilities/STM32F4-Discovery \
$(STM_FW)/Utilities/Third_Party/fat_fs/src

# Includes
CFLAGS += -I$(PROJECT)/inc/

CFLAGS += -I$(STM_FW)/Libraries/CMSIS/ST/STM32F4xx/Include
CFLAGS += -I$(STM_FW)/Libraries/CMSIS/Include
CFLAGS += -I$(STM_FW)/Libraries/STM32F4xx_StdPeriph_Driver/inc
CFLAGS += -I$(STM_FW)/Utilities/STM32F4-Discovery

ifeq ($(MEDIA_SOURCE), USB)
CFLAGS += -I$(STM_FW)/Libraries/STM32_USB_OTG_Driver/inc
CFLAGS += -I$(STM_FW)/Libraries/STM32_USB_HOST_Library/Core/inc
CFLAGS += -I$(STM_FW)/Libraries/STM32_USB_HOST_Library/Class/MSC/inc
CFLAGS += -I$(STM_FW)/Utilities/Third_Party/fat_fs/inc
endif

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

LIBPATHS = -L$(STM_FW)/Utilities/STM32F4-Discovery
LIBS = -lPDMFilter_GCC

###################################################
.SUFFIXES: .c .o .h

.PHONY: lib proj

all: proj
	$(SIZE) $(OUTPATH)/$(BIN_NAME).elf

proj: $(OUTPATH)/$(BIN_NAME).elf

$(OUTPATH)/$(BIN_NAME).elf: $(SRCS)
	$(CC) $(CFLAGS) $^ -o $@ $(LIBPATHS) $(LIBS)
	$(OBJCOPY) -O ihex $(OUTPATH)/$(BIN_NAME).elf $(OUTPATH)/$(BIN_NAME).hex
	$(OBJCOPY) -O binary $(OUTPATH)/$(BIN_NAME).elf $(OUTPATH)/$(BIN_NAME).bin

run_debug: proj
	arm-none-eabi-gdb -x .gdbinit_stm32f4

clean:
	find . -name \*.o -type f -delete
	find . -name \*.d -type f -delete
	find . -name \*.lst -type f -delete
	rm -f $(OUTPATH)/$(BIN_NAME).elf
	rm -f $(OUTPATH)/$(BIN_NAME).hex
	rm -f $(OUTPATH)/$(BIN_NAME).bin