Initial project setup

managed_components/espressif__tinyusb/hw/bsp/brtmm90x/family.mk

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+# GCC prefix for FT90X compile tools.
+CROSS_COMPILE = ft32-elf-
+SKIP_NANOLIB = 1
+
+# Set to use FT90X prebuilt libraries.
+FT9XX_PREBUILT_LIBS = 0
+ifeq ($(FT9XX_PREBUILT_LIBS),1)
+# If the FT90X toolchain is installed on Windows systems then the SDK
+# include files and prebuilt libraries are at: %FT90X_TOOLCHAIN%/hardware
+FT9XX_SDK = $(FT90X_TOOLCHAIN)/hardware
+INC += "$(FT9XX_SDK)/include"
+else
+# The submodule BRTSG-FOSS/ft90x-sdk contains header files and source
+# code for the Bridgetek SDK. This can be used instead of the prebuilt
+# library.
+# The SDK can be used to load specific files from the Bridgetek SDK.
+FT9XX_SDK = hw/mcu/bridgetek/ft9xx/ft90x-sdk/Source
+INC += "$(TOP)/$(FT9XX_SDK)/include"
+endif
+
+# Add include files which are within the TinyUSB directory structure.
+INC += \
+	$(TOP)/$(BOARD_PATH)
+
+# Add required C Compiler flags for FT90X.
+CFLAGS += \
+	-D__FT900__ \
+	-fvar-tracking \
+	-fvar-tracking-assignments \
+	-fmessage-length=0 \
+	-ffunction-sections \
+	-DCFG_TUSB_MCU=OPT_MCU_FT90X
+
+# Maximum USB device speed supported by the board
+CFLAGS += -DBOARD_TUD_MAX_SPEED=OPT_MODE_HIGH_SPEED
+
+# lwip/src/core/raw.c:334:43: error: declaration of 'recv' shadows a global declaration
+CFLAGS += -Wno-error=shadow
+
+# Set Linker flags.
+LD_FILE = hw/mcu/bridgetek/ft9xx/scripts/ldscript.ld
+LDFLAGS += $(addprefix -L,$(LDINC)) \
+	-Xlinker --entry=_start \
+	-Wl,-lc
+
+# Additional Source files for FT90X.
+SRC_C += src/portable/bridgetek/ft9xx/dcd_ft9xx.c
+
+# Linker library.
+ifneq ($(FT9XX_PREBUILT_LIBS),1)
+# Optionally add in files from the Bridgetek SDK instead of the prebuilt
+# library. These are the minimum required.
+SRC_C += $(FT9XX_SDK)/src/sys.c
+SRC_C += $(FT9XX_SDK)/src/interrupt.c
+SRC_C += $(FT9XX_SDK)/src/delay.c
+SRC_C += $(FT9XX_SDK)/src/timers.c
+SRC_C += $(FT9XX_SDK)/src/uart_simple.c
+SRC_C += $(FT9XX_SDK)/src/gpio.c
+else
+# Or if using the prebuilt libraries add them.
+LDFLAGS += -L"$(FT9XX_SDK)/lib"
+LIBS += -lft900
+endif
+
+# Not required crt0 file for FT90X. Use compiler built-in file.
+#SRC_S += hw/mcu/bridgetek/ft9xx/scripts/crt0.S