Add stock-USB native Joy-Con R/L hub bridge

tools/pico_usb_address_probe/CMakeLists.txt

@@ -0,0 +1,45 @@
+cmake_minimum_required(VERSION 3.13)
+set(PICO_BOARD pico2_w CACHE STRING "Target board")
+include(${CMAKE_CURRENT_LIST_DIR}/../../pico_sdk_import.cmake)
+project(pico_usb_address_probe C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+pico_sdk_init()
+
+if(NOT PICO_PLATFORM STREQUAL "rp2350-arm-s")
+    message(FATAL_ERROR "The native PHY timing probe requires the RP2350 ARM platform")
+endif()
+
+option(PROBE_USB_GPIO_MODE "Enable native-pad SIO observation with SIO outputs disabled" ON)
+set(TINYUSB_DIR ${PICO_SDK_PATH}/lib/tinyusb/src)
+set(RP_USB_DIR ${TINYUSB_DIR}/portable/raspberrypi/rp2040)
+add_executable(native_usb_address_probe
+    main.c
+    router.c
+    usb_probe.c
+    ${RP_USB_DIR}/dcd_rp2040.c
+    ${RP_USB_DIR}/rp2040_usb.c
+    ${TINYUSB_DIR}/common/tusb_fifo.c
+)
+target_include_directories(native_usb_address_probe PRIVATE
+    ${CMAKE_CURRENT_LIST_DIR}
+    ${TINYUSB_DIR}
+    ${RP_USB_DIR}
+)
+target_compile_definitions(native_usb_address_probe PRIVATE
+    CFG_TUSB_CONFIG_FILE="${CMAKE_CURRENT_LIST_DIR}/tusb_config.h"
+    CFG_TUSB_MCU=OPT_MCU_RP2040
+    RP2040_USB_DEVICE_MODE=1
+    PROBE_USB_GPIO_MODE=$<BOOL:${PROBE_USB_GPIO_MODE}>
+)
+target_compile_options(native_usb_address_probe PRIVATE -O3 -Wall -Wextra)
+target_link_libraries(native_usb_address_probe PRIVATE
+    pico_stdlib pico_multicore hardware_structs hardware_irq hardware_resets
+    hardware_sync hardware_timer hardware_clocks hardware_vreg hardware_watchdog
+)
+pico_set_binary_type(native_usb_address_probe no_flash)
+pico_enable_stdio_usb(native_usb_address_probe 0)
+pico_enable_stdio_uart(native_usb_address_probe 1)
+pico_set_program_name(native_usb_address_probe "RAM-only native USB address capability probe")
+pico_set_program_version(native_usb_address_probe "0.5-native-sio-hub-probe")
+pico_add_extra_outputs(native_usb_address_probe)