add tinyusb

tinyusb/hw/bsp/nrf/family.mk

@@ -0,0 +1,60 @@
+UF2_FAMILY_ID = 0xADA52840
+DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/nordic/nrfx
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mabi=aapcs \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -DCFG_TUSB_MCU=OPT_MCU_NRF5X \
+  -DCONFIG_GPIO_AS_PINRESET
+
+# suppress warning caused by vendor mcu driver
+CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
+
+# due to tusb_hal_nrf_power_event
+GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
+ifeq ($(CMDEXE),1)
+  ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
+  CFLAGS += -Wno-error=cast-function-type
+  endif
+else
+  ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
+  CFLAGS += -Wno-error=cast-function-type
+  endif
+endif
+
+# All source paths should be relative to the top level.
+LD_FILE ?= hw/bsp/nrf/boards/$(BOARD)/nrf52840_s140_v6.ld
+
+LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
+
+SRC_C += \
+  src/portable/nordic/nrf5x/dcd_nrf5x.c \
+  hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
+  hw/mcu/nordic/nrfx/drivers/src/nrfx_uarte.c \
+  hw/mcu/nordic/nrfx/mdk/system_$(MCU_VARIANT).c
+
+INC += \
+  $(TOP)/$(BOARD_PATH) \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+  $(TOP)/hw/mcu/nordic \
+  $(TOP)/hw/mcu/nordic/nrfx \
+  $(TOP)/hw/mcu/nordic/nrfx/mdk \
+  $(TOP)/hw/mcu/nordic/nrfx/hal \
+  $(TOP)/hw/mcu/nordic/nrfx/drivers/include \
+  $(TOP)/hw/mcu/nordic/nrfx/drivers/src \
+
+SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_$(MCU_VARIANT).S
+
+ASFLAGS += -D__HEAP_SIZE=0
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4F
+
+# For flash-jlink target
+JLINK_DEVICE = $(MCU_VARIANT)_xxaa