2019-06-22 14:03:41 +01:00
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BOARD ?= ADAFRUIT_ITSYBITSY_M4_EXPRESS
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BOARD_DIR ?= boards/$(BOARD)
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BUILD ?= build-$(BOARD)
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CROSS_COMPILE ?= arm-none-eabi-
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UF2CONV ?= $(TOP)/tools/uf2conv.py
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ifeq ($(wildcard $(BOARD_DIR)/.),)
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$(error Invalid BOARD specified: $(BOARD_DIR))
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endif
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include ../../py/mkenv.mk
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2019-08-10 06:17:09 +01:00
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include $(BOARD_DIR)/mpconfigboard.mk
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2019-06-22 14:03:41 +01:00
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# Qstr definitions (must come before including py.mk)
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QSTR_DEFS = qstrdefsport.h
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QSTR_GLOBAL_DEPENDENCIES = $(BOARD_DIR)/mpconfigboard.h
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# Include py core make definitions
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include $(TOP)/py/py.mk
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INC += -I.
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INC += -I$(TOP)
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INC += -I$(BUILD)
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INC += -I$(BOARD_DIR)
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INC += -I$(TOP)/lib/cmsis/inc
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INC += -I$(TOP)/lib/asf4/$(shell echo $(MCU_SERIES) | tr '[:upper:]' '[:lower:]')/include
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INC += -I$(TOP)/lib/tinyusb/src
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CFLAGS_MCU_SAMD21 = -mtune=cortex-m0plus -mcpu=cortex-m0plus -msoft-float
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CFLAGS_MCU_SAMD51 = -mtune=cortex-m4 -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard
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CFLAGS = $(INC) -Wall -Werror -std=c99 -nostdlib -mthumb $(CFLAGS_MCU_$(MCU_SERIES)) -fsingle-precision-constant -Wdouble-promotion
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CFLAGS += -DMCU_$(MCU_SERIES) -D__$(CMSIS_MCU)__
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LDFLAGS = -nostdlib $(addprefix -T,$(LD_FILES)) -Map=$@.map --cref
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LIBS = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
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# Tune for Debugging or Optimization
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ifeq ($(DEBUG),1)
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CFLAGS += -O0 -ggdb
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else
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CFLAGS += -Os -DNDEBUG
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LDFLAGS += --gc-sections
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CFLAGS += -fdata-sections -ffunction-sections
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endif
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SRC_C = \
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main.c \
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modutime.c \
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modmachine.c \
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mphalport.c \
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samd_isr.c \
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samd_soc.c \
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tusb_port.c \
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lib/libc/string0.c \
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lib/libm/ef_sqrt.c \
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lib/libm/fmodf.c \
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lib/libm/math.c \
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lib/libm/nearbyintf.c \
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lib/mp-readline/readline.c \
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lib/tinyusb/src/class/cdc/cdc_device.c \
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lib/tinyusb/src/common/tusb_fifo.c \
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lib/tinyusb/src/device/usbd.c \
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lib/tinyusb/src/device/usbd_control.c \
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lib/tinyusb/src/tusb.c \
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lib/utils/printf.c \
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lib/utils/pyexec.c \
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lib/utils/stdout_helpers.c \
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ifeq ($(MCU_SERIES),SAMD21)
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SRC_C += lib/tinyusb/src/portable/microchip/samd21/dcd_samd21.c
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SRC_S = lib/utils/gchelper_m0.s
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else
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SRC_C += lib/tinyusb/src/portable/microchip/samd51/dcd_samd51.c
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SRC_S = lib/utils/gchelper_m3.s
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endif
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# List of sources for qstr extraction
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SRC_QSTR += modutime.c modmachine.c
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OBJ += $(PY_O)
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OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
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# Workaround for bug in older gcc, warning on "static usbd_device_t _usbd_dev = { 0 };"
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$(BUILD)/lib/tinyusb/src/device/usbd.o: CFLAGS += -Wno-missing-braces
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all: $(BUILD)/firmware.uf2
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$(BUILD)/firmware.elf: $(OBJ)
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$(ECHO) "LINK $@"
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$(Q)$(LD) $(LDFLAGS) -o $@ $^ $(LIBS)
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$(Q)$(SIZE) $@
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$(BUILD)/firmware.bin: $(BUILD)/firmware.elf
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$(Q)$(OBJCOPY) -O binary -j .isr_vector -j .text -j .data $^ $(BUILD)/firmware.bin
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$(BUILD)/firmware.uf2: $(BUILD)/firmware.bin
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$(Q)$(PYTHON) $(UF2CONV) -b $(TEXT0) -c -o $@ $<
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include $(TOP)/py/mkrules.mk
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