Initial project setup

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

@@ -0,0 +1,61 @@
+UF2_FAMILY_ID = 0xADA52840
+
+NRFX_PATH = hw/mcu/nordic/nrfx
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+# nRF52 is cortex-m4, nRF53 is cortex-m33
+CPU_CORE ?= cortex-m4
+
+CFLAGS += \
+  -DCFG_TUSB_MCU=OPT_MCU_NRF5X \
+  -DCONFIG_GPIO_AS_PINRESET \
+  -D__STARTUP_CLEAR_BSS
+
+#CFLAGS += -nostdlib
+#CFLAGS += -D__START=main
+
+# suppress warning caused by vendor mcu driver
+CFLAGS_GCC += \
+  -flto \
+  -Wno-error=undef \
+  -Wno-error=unused-parameter \
+  -Wno-error=unused-variable \
+  -Wno-error=cast-align \
+  -Wno-error=cast-qual \
+  -Wno-error=redundant-decls \
+
+LDFLAGS_GCC += \
+  -nostartfiles \
+  --specs=nosys.specs --specs=nano.specs \
+  -L$(TOP)/${NRFX_PATH}/mdk
+
+LDFLAGS_CLANG += \
+  -L$(TOP)/${NRFX_PATH}/mdk \
+
+SRC_C += \
+  src/portable/nordic/nrf5x/dcd_nrf5x.c \
+	${NRFX_PATH}/helpers/nrfx_flag32_allocator.c \
+	${NRFX_PATH}/drivers/src/nrfx_gpiote.c \
+  ${NRFX_PATH}/drivers/src/nrfx_power.c \
+  ${NRFX_PATH}/drivers/src/nrfx_spim.c \
+  ${NRFX_PATH}/drivers/src/nrfx_uarte.c \
+  ${NRFX_PATH}/mdk/system_$(MCU_VARIANT).c \
+  ${NRFX_PATH}/soc/nrfx_atomic.c
+
+INC += \
+  $(TOP)/$(BOARD_PATH) \
+  $(TOP)/$(FAMILY_PATH)/nrfx_config \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+  $(TOP)/${NRFX_PATH} \
+  $(TOP)/${NRFX_PATH}/mdk \
+  $(TOP)/${NRFX_PATH}/hal \
+  $(TOP)/${NRFX_PATH}/drivers/include \
+  $(TOP)/${NRFX_PATH}/drivers/src \
+
+SRC_S += ${NRFX_PATH}/mdk/gcc_startup_$(MCU_VARIANT).S
+
+ASFLAGS += -D__HEAP_SIZE=0
+
+# For flash-jlink target
+JLINK_DEVICE ?= $(MCU_VARIANT)_xxaa