# Select the board to build for: if not given on the command line, # then default to PYBV10. BOARD ?= PYBV10 # If the build directory is not given, make it reflect the board name. BUILD ?= build-$(BOARD) BOARD_DIR ?= boards/$(BOARD) ifeq ($(wildcard $(BOARD_DIR)/.),) $(error Invalid BOARD specified: $(BOARD_DIR)) endif include ../../py/mkenv.mk -include mpconfigport.mk include $(BOARD_DIR)/mpconfigboard.mk # qstr definitions (must come before including py.mk) QSTR_DEFS = qstrdefsport.h $(BUILD)/pins_qstr.h $(BUILD)/modstm_qstr.h QSTR_GLOBAL_DEPENDENCIES = mpconfigboard_common.h $(BOARD_DIR)/mpconfigboard.h # directory containing scripts to be frozen as bytecode FROZEN_MPY_DIR ?= modules # include py core make definitions include $(TOP)/py/py.mk LD_DIR=boards CMSIS_DIR=$(TOP)/lib/stm32lib/CMSIS/STM32$(MCU_SERIES_UPPER)xx/Include MCU_SERIES_UPPER = $(shell echo $(MCU_SERIES) | tr '[:lower:]' '[:upper:]') HAL_DIR=lib/stm32lib/STM32$(MCU_SERIES_UPPER)xx_HAL_Driver USBDEV_DIR=usbdev #USBHOST_DIR=usbhost FATFS_DIR=lib/oofatfs DFU=$(TOP)/tools/dfu.py # may need to prefix dfu-util with sudo USE_PYDFU ?= 1 PYDFU ?= $(TOP)/tools/pydfu.py DFU_UTIL ?= dfu-util DEVICE=0483:df11 STFLASH ?= st-flash OPENOCD ?= openocd OPENOCD_CONFIG ?= boards/openocd_stm32f4.cfg STARTUP_FILE ?= boards/startup_stm32$(MCU_SERIES).o # Select the cross compile prefix CROSS_COMPILE ?= arm-none-eabi- INC += -I. INC += -I$(TOP) INC += -I$(BUILD) INC += -I$(TOP)/lib/cmsis/inc INC += -I$(CMSIS_DIR)/ INC += -I$(TOP)/$(HAL_DIR)/Inc INC += -I$(USBDEV_DIR)/core/inc -I$(USBDEV_DIR)/class/inc #INC += -I$(USBHOST_DIR) INC += -Ilwip_inc # Basic Cortex-M flags CFLAGS_CORTEX_M = -mthumb # Select hardware floating-point support ifeq ($(CMSIS_MCU),$(filter $(CMSIS_MCU),STM32F765xx STM32F767xx STM32F769xx STM32H743xx)) CFLAGS_CORTEX_M += -mfpu=fpv5-d16 -mfloat-abi=hard else ifeq ($(MCU_SERIES),f0) CFLAGS_CORTEX_M += -msoft-float else CFLAGS_CORTEX_M += -mfpu=fpv4-sp-d16 -mfloat-abi=hard endif endif # Options for particular MCU series CFLAGS_MCU_f0 = $(CFLAGS_CORTEX_M) -mtune=cortex-m0 -mcpu=cortex-m0 CFLAGS_MCU_f4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 CFLAGS_MCU_f7 = $(CFLAGS_CORTEX_M) -mtune=cortex-m7 -mcpu=cortex-m7 CFLAGS_MCU_l4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 CFLAGS_MCU_h7 = $(CFLAGS_CORTEX_M) -mtune=cortex-m7 -mcpu=cortex-m7 CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -std=gnu99 -nostdlib $(CFLAGS_MOD) $(CFLAGS_EXTRA) CFLAGS += -D$(CMSIS_MCU) CFLAGS += $(CFLAGS_MCU_$(MCU_SERIES)) CFLAGS += $(COPT) CFLAGS += -I$(BOARD_DIR) CFLAGS += -DSTM32_HAL_H='' CFLAGS += -DMICROPY_HW_VTOR=$(TEXT0_ADDR) ifeq ($(MICROPY_FLOAT_IMPL),double) CFLAGS += -DMICROPY_FLOAT_IMPL=MICROPY_FLOAT_IMPL_DOUBLE else CFLAGS += -DMICROPY_FLOAT_IMPL=MICROPY_FLOAT_IMPL_FLOAT CFLAGS += -fsingle-precision-constant -Wdouble-promotion endif LDFLAGS = -nostdlib -L $(LD_DIR) $(addprefix -T,$(LD_FILES)) -Map=$(@:.elf=.map) --cref LIBS = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) # Remove uncalled code from the final image. CFLAGS += -fdata-sections -ffunction-sections LDFLAGS += --gc-sections # Debugging/Optimization ifeq ($(DEBUG), 1) CFLAGS += -g -DPENDSV_DEBUG COPT = -O0 else COPT += -Os -DNDEBUG endif # Options for mpy-cross MPY_CROSS_FLAGS += -march=armv7m SRC_LIB = $(addprefix lib/,\ libc/string0.c \ oofatfs/ff.c \ oofatfs/ffunicode.c \ mp-readline/readline.c \ netutils/netutils.c \ netutils/trace.c \ netutils/dhcpserver.c \ timeutils/timeutils.c \ utils/pyexec.c \ utils/interrupt_char.c \ utils/sys_stdio_mphal.c \ utils/mpirq.c \ ) ifeq ($(MICROPY_FLOAT_IMPL),double) SRC_LIBM = $(addprefix lib/libm_dbl/,\ __cos.c \ __expo2.c \ __fpclassify.c \ __rem_pio2.c \ __rem_pio2_large.c \ __signbit.c \ __sin.c \ __tan.c \ acos.c \ acosh.c \ asin.c \ asinh.c \ atan.c \ atan2.c \ atanh.c \ ceil.c \ cos.c \ cosh.c \ copysign.c \ erf.c \ exp.c \ expm1.c \ floor.c \ fmod.c \ frexp.c \ ldexp.c \ lgamma.c \ log.c \ log10.c \ log1p.c \ modf.c \ nearbyint.c \ pow.c \ rint.c \ scalbn.c \ sin.c \ sinh.c \ sqrt.c \ tan.c \ tanh.c \ tgamma.c \ trunc.c \ ) else SRC_LIBM = $(addprefix lib/libm/,\ math.c \ acoshf.c \ asinfacosf.c \ asinhf.c \ atan2f.c \ atanf.c \ atanhf.c \ ef_rem_pio2.c \ erf_lgamma.c \ fmodf.c \ kf_cos.c \ kf_rem_pio2.c \ kf_sin.c \ kf_tan.c \ log1pf.c \ nearbyintf.c \ sf_cos.c \ sf_erf.c \ sf_frexp.c \ sf_ldexp.c \ sf_modf.c \ sf_sin.c \ sf_tan.c \ wf_lgamma.c \ wf_tgamma.c \ ) ifeq ($(MCU_SERIES),f0) SRC_LIBM += lib/libm/ef_sqrt.c else SRC_LIBM += lib/libm/thumb_vfp_sqrtf.c endif endif EXTMOD_SRC_C = $(addprefix extmod/,\ modonewire.c \ ) DRIVERS_SRC_C = $(addprefix drivers/,\ bus/softspi.c \ bus/softqspi.c \ memory/spiflash.c \ dht/dht.c \ ) SRC_C = \ main.c \ stm32_it.c \ usbd_conf.c \ usbd_desc.c \ usbd_cdc_interface.c \ usbd_hid_interface.c \ usbd_msc_storage.c \ mphalport.c \ mpthreadport.c \ irq.c \ pendsv.c \ systick.c \ powerctrl.c \ pybthread.c \ factoryreset.c \ timer.c \ led.c \ pin.c \ pin_defs_stm32.c \ pin_named_pins.c \ bufhelper.c \ dma.c \ i2c.c \ pyb_i2c.c \ spi.c \ pyb_spi.c \ qspi.c \ uart.c \ can.c \ usb.c \ wdt.c \ eth.c \ gccollect.c \ help.c \ machine_i2c.c \ machine_spi.c \ machine_uart.c \ modmachine.c \ modpyb.c \ modstm.c \ moduos.c \ modutime.c \ modusocket.c \ network_lan.c \ modnetwork.c \ extint.c \ usrsw.c \ rng.c \ rtc.c \ flash.c \ flashbdev.c \ spibdev.c \ storage.c \ sdcard.c \ sdram.c \ fatfs_port.c \ lcd.c \ accel.c \ servo.c \ dac.c \ adc.c \ $(wildcard $(BOARD_DIR)/*.c) ifeq ($(MCU_SERIES),f0) SRC_O = \ $(STARTUP_FILE) \ system_stm32f0.o \ resethandler_m0.o \ lib/utils/gchelper_m0.o else SRC_O = \ $(STARTUP_FILE) \ system_stm32.o \ resethandler.o \ lib/utils/gchelper_m3.o endif SRC_HAL = $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_,\ hal.c \ hal_adc.c \ hal_adc_ex.c \ hal_cortex.c \ hal_dma.c \ hal_flash.c \ hal_flash_ex.c \ hal_gpio.c \ hal_i2c.c \ hal_pcd.c \ hal_pcd_ex.c \ hal_pwr.c \ hal_pwr_ex.c \ hal_rcc.c \ hal_rcc_ex.c \ hal_rtc.c \ hal_rtc_ex.c \ hal_spi.c \ hal_tim.c \ hal_tim_ex.c \ hal_uart.c \ ) ifeq ($(MCU_SERIES),$(filter $(MCU_SERIES),f4 f7 h7 l4)) $(BUILD)/$(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_ll_usb.o: CFLAGS += -Wno-attributes SRC_HAL += $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_,\ hal_sd.c \ ll_sdmmc.c \ ll_fmc.c \ ll_usb.c \ ) endif ifeq ($(MCU_SERIES),$(filter $(MCU_SERIES),f4 f7 h7)) SRC_HAL += $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_,\ hal_mmc.c \ hal_sdram.c \ hal_dma_ex.c \ hal_dcmi.c \ ) endif ifeq ($(CMSIS_MCU),$(filter $(CMSIS_MCU),STM32H743xx)) SRC_HAL += $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_, hal_fdcan.c) else SRC_HAL += $(addprefix $(HAL_DIR)/Src/stm32$(MCU_SERIES)xx_, hal_can.c) endif SRC_USBDEV = $(addprefix $(USBDEV_DIR)/,\ core/src/usbd_core.c \ core/src/usbd_ctlreq.c \ core/src/usbd_ioreq.c \ class/src/usbd_cdc_msc_hid.c \ class/src/usbd_msc_bot.c \ class/src/usbd_msc_scsi.c \ class/src/usbd_msc_data.c \ ) ifeq ($(MICROPY_PY_NETWORK_CYW43),1) CFLAGS_MOD += -DMICROPY_PY_NETWORK_CYW43=1 SRC_C += sdio.c EXTMOD_SRC_C += extmod/network_cyw43.c DRIVERS_SRC_C += drivers/cyw43/cyw43_ctrl.c drivers/cyw43/cyw43_lwip.c LIBS += $(TOP)/drivers/cyw43/libcyw43.a endif ifneq ($(MICROPY_PY_WIZNET5K),0) WIZNET5K_DIR=drivers/wiznet5k INC += -I$(TOP)/$(WIZNET5K_DIR) CFLAGS_MOD += -DMICROPY_PY_WIZNET5K=$(MICROPY_PY_WIZNET5K) -D_WIZCHIP_=$(MICROPY_PY_WIZNET5K) SRC_MOD += network_wiznet5k.c modnwwiznet5k.c SRC_MOD += $(addprefix $(WIZNET5K_DIR)/,\ ethernet/w$(MICROPY_PY_WIZNET5K)/w$(MICROPY_PY_WIZNET5K).c \ ethernet/wizchip_conf.c \ ethernet/socket.c \ internet/dns/dns.c \ ) endif # for CC3000 module ifeq ($(MICROPY_PY_CC3K),1) CC3000_DIR=drivers/cc3000 INC += -I$(TOP)/$(CC3000_DIR)/inc CFLAGS_MOD += -DMICROPY_PY_CC3K=1 SRC_MOD += modnwcc3k.c SRC_MOD += $(addprefix $(CC3000_DIR)/src/,\ cc3000_common.c \ evnt_handler.c \ hci.c \ netapp.c \ nvmem.c \ security.c \ socket.c \ wlan.c \ ccspi.c \ inet_ntop.c \ inet_pton.c \ patch.c \ patch_prog.c \ ) endif OBJ = OBJ += $(PY_O) OBJ += $(addprefix $(BUILD)/, $(SRC_LIB:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_LIBM:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(EXTMOD_SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(DRIVERS_SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_O)) OBJ += $(addprefix $(BUILD)/, $(SRC_HAL:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_USBDEV:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o)) OBJ += $(BUILD)/pins_$(BOARD).o # This file contains performance critical functions so turn up the optimisation # level. It doesn't add much to the code size and improves performance a bit. # Don't use -O3 with this file because gcc tries to optimise memset in terms of itself. $(BUILD)/lib/libc/string0.o: COPT += -O2 # We put several files into the first 16K section with the ISRs. # If we compile these using -O0 then it won't fit. So if you really want these # to be compiled with -O0, then edit boards/common.ld (in the .isr_vector section) # and comment out the following lines. $(BUILD)/$(FATFS_DIR)/ff.o: COPT += -Os $(filter $(PY_BUILD)/../extmod/vfs_fat_%.o, $(PY_O)): COPT += -Os $(PY_BUILD)/formatfloat.o: COPT += -Os $(PY_BUILD)/parsenum.o: COPT += -Os $(PY_BUILD)/mpprint.o: COPT += -Os all: $(TOP)/lib/stm32lib/README.md $(BUILD)/firmware.dfu $(BUILD)/firmware.hex # For convenience, automatically fetch required submodules if they don't exist $(TOP)/lib/stm32lib/README.md: $(ECHO) "stm32lib submodule not found, fetching it now..." (cd $(TOP) && git submodule update --init lib/stm32lib) ifneq ($(FROZEN_DIR),) # To use frozen source modules, put your .py files in a subdirectory (eg scripts/) # and then invoke make with FROZEN_DIR=scripts (be sure to build from scratch). CFLAGS += -DMICROPY_MODULE_FROZEN_STR endif ifneq ($(FROZEN_MPY_DIR),) # To use frozen bytecode, put your .py files in a subdirectory (eg frozen/) and # then invoke make with FROZEN_MPY_DIR=frozen (be sure to build from scratch). CFLAGS += -DMICROPY_QSTR_EXTRA_POOL=mp_qstr_frozen_const_pool CFLAGS += -DMICROPY_MODULE_FROZEN_MPY endif .PHONY: deploy deploy: $(BUILD)/firmware.dfu $(ECHO) "Writing $< to the board" ifeq ($(USE_PYDFU),1) $(Q)$(PYTHON) $(PYDFU) -u $< else $(Q)$(DFU_UTIL) -a 0 -d $(DEVICE) -D $< endif # A board should specify TEXT0_ADDR if to use a different location than the # default for the firmware memory location. A board can also optionally define # TEXT1_ADDR to split the firmware into two sections; see below for details. TEXT0_ADDR ?= 0x08000000 ifeq ($(TEXT1_ADDR),) # No TEXT1_ADDR given so put all firmware at TEXT0_ADDR location TEXT0_SECTIONS ?= .isr_vector .text .data deploy-stlink: $(BUILD)/firmware.dfu $(ECHO) "Writing $(BUILD)/firmware.bin to the board via ST-LINK" $(Q)$(STFLASH) write $(BUILD)/firmware.bin $(TEXT0_ADDR) deploy-openocd: $(BUILD)/firmware.dfu $(ECHO) "Writing $(BUILD)/firmware.bin to the board via ST-LINK using OpenOCD" $(Q)$(OPENOCD) -f $(OPENOCD_CONFIG) -c "stm_flash $(BUILD)/firmware.bin $(TEXT0_ADDR)" $(BUILD)/firmware.dfu: $(BUILD)/firmware.elf $(ECHO) "Create $@" $(Q)$(OBJCOPY) -O binary $(addprefix -j ,$(TEXT0_SECTIONS)) $^ $(BUILD)/firmware.bin $(Q)$(PYTHON) $(DFU) -b $(TEXT0_ADDR):$(BUILD)/firmware.bin $@ else # TEXT0_ADDR and TEXT1_ADDR are specified so split firmware between these locations TEXT0_SECTIONS ?= .isr_vector TEXT1_SECTIONS ?= .text .data deploy-stlink: $(BUILD)/firmware.dfu $(ECHO) "Writing $(BUILD)/firmware0.bin to the board via ST-LINK" $(Q)$(STFLASH) write $(BUILD)/firmware0.bin $(TEXT0_ADDR) $(ECHO) "Writing $(BUILD)/firmware1.bin to the board via ST-LINK" $(Q)$(STFLASH) --reset write $(BUILD)/firmware1.bin $(TEXT1_ADDR) deploy-openocd: $(BUILD)/firmware.dfu $(ECHO) "Writing $(BUILD)/firmware{0,1}.bin to the board via ST-LINK using OpenOCD" $(Q)$(OPENOCD) -f $(OPENOCD_CONFIG) -c "stm_flash $(BUILD)/firmware0.bin $(TEXT0_ADDR) $(BUILD)/firmware1.bin $(TEXT1_ADDR)" $(BUILD)/firmware.dfu: $(BUILD)/firmware.elf $(ECHO) "GEN $@" $(Q)$(OBJCOPY) -O binary $(addprefix -j ,$(TEXT0_SECTIONS)) $^ $(BUILD)/firmware0.bin $(Q)$(OBJCOPY) -O binary $(addprefix -j ,$(TEXT1_SECTIONS)) $^ $(BUILD)/firmware1.bin $(Q)$(PYTHON) $(DFU) -b $(TEXT0_ADDR):$(BUILD)/firmware0.bin -b $(TEXT1_ADDR):$(BUILD)/firmware1.bin $@ endif $(BUILD)/firmware.hex: $(BUILD)/firmware.elf $(ECHO) "GEN $@" $(Q)$(OBJCOPY) -O ihex $< $@ $(BUILD)/firmware.elf: $(OBJ) $(ECHO) "LINK $@" $(Q)$(LD) $(LDFLAGS) -o $@ $^ $(LDFLAGS_MOD) $(LIBS) $(Q)$(SIZE) $@ PLLVALUES = boards/pllvalues.py MAKE_PINS = boards/make-pins.py BOARD_PINS = $(BOARD_DIR)/pins.csv PREFIX_FILE = boards/stm32f4xx_prefix.c GEN_PINS_SRC = $(BUILD)/pins_$(BOARD).c GEN_PINS_HDR = $(HEADER_BUILD)/pins.h GEN_PINS_QSTR = $(BUILD)/pins_qstr.h GEN_PINS_AF_CONST = $(HEADER_BUILD)/pins_af_const.h GEN_PINS_AF_DEFS = $(HEADER_BUILD)/pins_af_defs.h GEN_PINS_AF_PY = $(BUILD)/pins_af.py INSERT_USB_IDS = $(TOP)/tools/insert-usb-ids.py FILE2H = $(TOP)/tools/file2h.py USB_IDS_FILE = usb.h CDCINF_TEMPLATE = pybcdc.inf_template GEN_CDCINF_FILE = $(HEADER_BUILD)/pybcdc.inf GEN_CDCINF_HEADER = $(HEADER_BUILD)/pybcdc_inf.h # List of sources for qstr extraction SRC_QSTR += $(SRC_C) $(SRC_MOD) $(SRC_LIB) $(EXTMOD_SRC_C) # Append any auto-generated sources that are needed by sources listed in # SRC_QSTR SRC_QSTR_AUTO_DEPS += $(GEN_CDCINF_HEADER) # Making OBJ use an order-only depenedency on the generated pins.h file # has the side effect of making the pins.h file before we actually compile # any of the objects. The normal dependency generation will deal with the # case when pins.h is modified. But when it doesn't exist, we don't know # which source files might need it. $(OBJ): | $(GEN_PINS_HDR) # With conditional pins, we may need to regenerate qstrdefs.h when config # options change. $(HEADER_BUILD)/qstrdefs.generated.h: $(BOARD_DIR)/mpconfigboard.h # main.c can't be even preprocessed without $(GEN_CDCINF_HEADER) main.c: $(GEN_CDCINF_HEADER) # Use a pattern rule here so that make will only call make-pins.py once to make # both pins_$(BOARD).c and pins.h $(BUILD)/%_$(BOARD).c $(HEADER_BUILD)/%.h $(HEADER_BUILD)/%_af_const.h $(HEADER_BUILD)/%_af_defs.h $(BUILD)/%_qstr.h: $(BOARD_DIR)/%.csv $(MAKE_PINS) $(AF_FILE) $(PREFIX_FILE) | $(HEADER_BUILD) $(ECHO) "GEN $@" $(Q)$(PYTHON) $(MAKE_PINS) --board $(BOARD_PINS) --af $(AF_FILE) \ --prefix $(PREFIX_FILE) --hdr $(GEN_PINS_HDR) --hdr-obj-decls \ --qstr $(GEN_PINS_QSTR) --af-const $(GEN_PINS_AF_CONST) \ --af-defs $(GEN_PINS_AF_DEFS) --af-defs-cmp-strings \ --af-py $(GEN_PINS_AF_PY) > $(GEN_PINS_SRC) $(BUILD)/pins_$(BOARD).o: $(BUILD)/pins_$(BOARD).c $(call compile_c) GEN_PLLFREQTABLE_HDR = $(HEADER_BUILD)/pllfreqtable.h GEN_STMCONST_HDR = $(HEADER_BUILD)/modstm_const.h GEN_STMCONST_QSTR = $(BUILD)/modstm_qstr.h GEN_STMCONST_MPZ = $(HEADER_BUILD)/modstm_mpz.h CMSIS_MCU_LOWER = $(shell echo $(CMSIS_MCU) | tr '[:upper:]' '[:lower:]') CMSIS_MCU_HDR = $(CMSIS_DIR)/$(CMSIS_MCU_LOWER).h modmachine.c: $(GEN_PLLFREQTABLE_HDR) $(GEN_PLLFREQTABLE_HDR): $(PLLVALUES) | $(HEADER_BUILD) $(ECHO) "GEN $@" $(Q)$(PYTHON) $(PLLVALUES) -c $(if $(filter $(MCU_SERIES),f7),--relax-pll48,) file:$(BOARD_DIR)/stm32$(MCU_SERIES)xx_hal_conf.h > $@ $(BUILD)/modstm.o: $(GEN_STMCONST_HDR) # Use a pattern rule here so that make will only call make-stmconst.py once to # make both modstm_const.h and modstm_qstr.h $(HEADER_BUILD)/%_const.h $(BUILD)/%_qstr.h: $(CMSIS_MCU_HDR) make-stmconst.py | $(HEADER_BUILD) $(ECHO) "GEN stmconst $@" $(Q)$(PYTHON) make-stmconst.py --qstr $(GEN_STMCONST_QSTR) --mpz $(GEN_STMCONST_MPZ) $(CMSIS_MCU_HDR) > $(GEN_STMCONST_HDR) $(GEN_CDCINF_HEADER): $(GEN_CDCINF_FILE) $(FILE2H) | $(HEADER_BUILD) $(ECHO) "GEN $@" $(Q)$(PYTHON) $(FILE2H) $< > $@ $(GEN_CDCINF_FILE): $(CDCINF_TEMPLATE) $(INSERT_USB_IDS) $(USB_IDS_FILE) | $(HEADER_BUILD) $(ECHO) "GEN $@" $(Q)$(PYTHON) $(INSERT_USB_IDS) $(USB_IDS_FILE) $< > $@ include $(TOP)/py/mkrules.mk