BOARD ?= TEENSY40 BOARD_DIR ?= boards/$(BOARD) BUILD ?= build-$(BOARD) CROSS_COMPILE ?= arm-none-eabi- ifeq ($(wildcard $(BOARD_DIR)/.),) $(error Invalid BOARD specified: $(BOARD_DIR)) endif include ../../py/mkenv.mk include $(BOARD_DIR)/mpconfigboard.mk # Qstr definitions (must come before including py.mk) QSTR_DEFS = qstrdefsport.h QSTR_GLOBAL_DEPENDENCIES = $(BOARD_DIR)/mpconfigboard.h # Include py core make definitions include $(TOP)/py/py.mk GIT_SUBMODULES = lib/tinyusb lib/nxp_driver MCU_DIR = lib/nxp_driver/sdk/devices/$(MCU_SERIES) LD_FILES = boards/$(MCU_SERIES).ld $(TOP)/$(MCU_DIR)/gcc/$(MCU_SERIES)xxxxx_flexspi_nor.ld # mcu driver cause following warnings #CFLAGS += -Wno-error=float-equal -Wno-error=nested-externs CFLAGS += -Wno-error=unused-parameter INC += -I. INC += -I$(TOP) INC += -I$(BUILD) INC += -I$(BOARD_DIR) INC += -I$(TOP)/lib/cmsis/inc INC += -I$(TOP)/$(MCU_DIR) INC += -I$(TOP)/$(MCU_DIR)/drivers INC += -I$(TOP)/$(MCU_DIR)/project_template INC += -I$(TOP)/lib/tinyusb/src INC += -I$(TOP)/lib/tinyusb/hw INC += -I$(TOP)/lib/tinyusb/hw/bsp/teensy_40 CFLAGS_MCU = -mtune=cortex-m7 -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 CFLAGS = $(INC) -Wall -Werror -Wdouble-promotion -Wfloat-conversion -std=c99 -nostdlib -mthumb $(CFLAGS_MCU) CFLAGS += -DCPU_$(MCU_SERIES) -DCPU_$(MCU_VARIANT) CFLAGS += -DXIP_EXTERNAL_FLASH=1 \ -DXIP_BOOT_HEADER_ENABLE=1 \ -DCFG_TUSB_MCU=OPT_MCU_MIMXRT10XX \ -D__STARTUP_CLEAR_BSS \ -D__START=main \ -DCPU_HEADER_H='<$(MCU_SERIES).h>' LDFLAGS = $(addprefix -T,$(LD_FILES)) -Map=$@.map --cref LIBS = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) # Tune for Debugging or Optimization ifeq ($(DEBUG),1) CFLAGS += -O0 -ggdb else CFLAGS += -Os -DNDEBUG LDFLAGS += --gc-sections CFLAGS += -fdata-sections -ffunction-sections endif # TinyUSB Stack source SRC_TINYUSB_C += \ lib/tinyusb/src/tusb.c \ lib/tinyusb/src/common/tusb_fifo.c \ lib/tinyusb/src/device/usbd.c \ lib/tinyusb/src/device/usbd_control.c \ lib/tinyusb/src/class/msc/msc_device.c \ lib/tinyusb/src/class/cdc/cdc_device.c \ lib/tinyusb/src/class/dfu/dfu_rt_device.c \ lib/tinyusb/src/class/hid/hid_device.c \ lib/tinyusb/src/class/midi/midi_device.c \ lib/tinyusb/src/class/usbtmc/usbtmc_device.c \ lib/tinyusb/src/class/vendor/vendor_device.c \ lib/tinyusb/src/portable/nxp/transdimension/dcd_transdimension.c SRC_TINYUSB_IMX_C += \ $(MCU_DIR)/system_$(MCU_SERIES).c \ $(MCU_DIR)/xip/fsl_flexspi_nor_boot.c \ $(MCU_DIR)/project_template/clock_config.c \ $(MCU_DIR)/drivers/fsl_clock.c \ $(MCU_DIR)/drivers/fsl_gpio.c \ $(MCU_DIR)/drivers/fsl_common.c \ $(MCU_DIR)/drivers/fsl_lpuart.c \ $(MCU_DIR)/drivers/fsl_flexram.c \ SRC_C = \ main.c \ tusb_port.c \ board_init.c \ $(BOARD_DIR)/flash_config.c \ modutime.c \ modmachine.c \ mphalport.c \ lib/mp-readline/readline.c \ lib/libc/string0.c \ lib/utils/printf.c \ lib/utils/pyexec.c \ lib/utils/stdout_helpers.c \ $(SRC_TINYUSB_C) \ $(SRC_TINYUSB_IMX_C) \ SRC_SS = $(MCU_DIR)/gcc/startup_$(MCU_SERIES).S SRC_S = lib/utils/gchelper_m3.s \ # List of sources for qstr extraction SRC_QSTR += modutime.c modmachine.c OBJ += $(PY_O) OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_SS:.S=.o)) # Workaround for bug in older gcc, warning on "static usbd_device_t _usbd_dev = { 0 };" $(BUILD)/lib/tinyusb/src/device/usbd.o: CFLAGS += -Wno-missing-braces all: $(BUILD)/firmware.hex $(BUILD)/firmware.elf: $(OBJ) $(ECHO) "LINK $@" $(Q)$(LD) $(LDFLAGS) -o $@ $^ $(LIBS) $(Q)$(SIZE) $@ $(BUILD)/firmware.bin: $(BUILD)/firmware.elf $(Q)$(OBJCOPY) -O binary $^ $@ $(BUILD)/firmware.hex: $(BUILD)/firmware.elf $(Q)$(OBJCOPY) -O ihex -R .eeprom $< $@ include $(TOP)/py/mkrules.mk