Initial version, HID and vendor echo working

CMakeLists.txt

@@ -0,0 +1,52 @@
+# == DO NOT EDIT THE FOLLOWING LINES for the Raspberry Pi Pico VS Code Extension to work ==
+if(WIN32)
+    set(USERHOME $ENV{USERPROFILE})
+else()
+    set(USERHOME $ENV{HOME})
+endif()
+set(sdkVersion 2.1.0)
+set(toolchainVersion 13_3_Rel1)
+set(picotoolVersion 2.1.0)
+set(picoVscode ${USERHOME}/.pico-sdk/cmake/pico-vscode.cmake)
+if (EXISTS ${picoVscode})
+    include(${picoVscode})
+endif()
+# ====================================================================================
+set(PICO_BOARD pico CACHE STRING "Board type")
+
+cmake_minimum_required(VERSION 3.12)
+
+set(PICO_SDK_PATH ${CMAKE_SOURCE_DIR}/pico-sdk)
+include(pico_sdk_import.cmake)
+
+project(EDMFD C CXX)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+set(PICO_STDIO_USB_CONNECT_WAIT_TIMEOUT_MS 3000)
+pico_sdk_init()
+
+add_compile_options(
+    -Wall
+    -Wno-format          # int != int32_t as far as the compiler is concerned because gcc has int32_t as long int
+    -Wno-unused-function # we have some for the docs that aren't called
+    )
+
+if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    add_compile_options(-Wno-maybe-uninitialized)
+endif()
+
+add_executable(edmfd)
+target_include_directories(edmfd PUBLIC src)
+target_sources(edmfd PUBLIC
+    src/blink.cc
+    src/hid.cc
+    src/main.cc
+    src/usb_descriptors.cc
+    src/vendor.cc
+    )
+
+pico_enable_stdio_usb(edmfd 1)
+pico_add_extra_outputs(edmfd)
+target_link_libraries(edmfd PUBLIC pico_stdlib pico_unique_id tinyusb_device tinyusb_board)