完成语音识别功能（win测试，arm未知）

src/Apps/Game/CMakeLists.txt

@@ -2,12 +2,60 @@ set(TOM_GAME_TARGET IMX6U-Game)
 set(TOM_ATLAS_HEADER "${CMAKE_CURRENT_SOURCE_DIR}/generated/tom_atlas.h")
 set_source_files_properties(${TOM_ATLAS_HEADER} PROPERTIES GENERATED TRUE)
 
+set(TOM_GAME_ENABLE_TFLITE_C_API_DEFAULT OFF)
+if(CMAKE_CROSSCOMPILING AND USE_FRAMEBUFFER)
+    set(TOM_GAME_ENABLE_TFLITE_C_API_DEFAULT ON)
+endif()
+
+if(NOT DEFINED CACHE{TOM_GAME_ENABLE_TFLITE_C_API})
+    set(TOM_GAME_ENABLE_TFLITE_C_API
+        ${TOM_GAME_ENABLE_TFLITE_C_API_DEFAULT}
+        CACHE BOOL
+        "Enable tiny KWS through TensorFlow Lite C API"
+    )
+endif()
+
+set(TOM_GAME_TFLITE_INCLUDE_DIR "" CACHE PATH "TensorFlow Lite C API include directory")
+set(TOM_GAME_TFLITE_LIBRARY
+    "${CMAKE_CURRENT_SOURCE_DIR}/runtime/lib/tensorflow/lite/c/libtensorflowlite_c.so"
+    CACHE FILEPATH
+    "TensorFlow Lite C API library"
+)
+
+if(TOM_GAME_ENABLE_TFLITE_C_API AND NOT TOM_GAME_TFLITE_INCLUDE_DIR)
+    set(TOM_GAME_TFLITE_INCLUDE_CANDIDATES
+        "$ENV{TOM_GAME_TENSORFLOW_ROOT}"
+        "$ENV{TENSORFLOW_ROOT}"
+        "$ENV{TF_SRC}"
+        "$ENV{HOME}/tensorflow-master/tensorflow-master"
+        "$ENV{HOME}/tensorflow-master"
+        "${CMAKE_CURRENT_SOURCE_DIR}/tensorflow"
+        "${PROJECT_SOURCE_DIR}/tensorflow"
+    )
+
+    foreach(TOM_GAME_TFLITE_INCLUDE_CANDIDATE IN LISTS TOM_GAME_TFLITE_INCLUDE_CANDIDATES)
+        if(TOM_GAME_TFLITE_INCLUDE_CANDIDATE AND
+            EXISTS "${TOM_GAME_TFLITE_INCLUDE_CANDIDATE}/tensorflow/lite/c/c_api.h")
+            set(TOM_GAME_TFLITE_INCLUDE_DIR
+                "${TOM_GAME_TFLITE_INCLUDE_CANDIDATE}"
+                CACHE PATH
+                "TensorFlow Lite C API include directory"
+                FORCE
+            )
+            break()
+        endif()
+    endforeach()
+endif()
+
 add_executable(${TOM_GAME_TARGET}
     Main.cpp
     src/app/TomGameApp.cpp
     src/audio/VoiceEffect.cpp
     src/audio/VoicePlayer.cpp
     src/audio/VoiceRecorder.cpp
+    src/recognition/KeywordRecognizer.cpp
+    src/recognition/TinyKwsRecognizer.cpp
+    src/recognition/PythonKeywordRecognizer.cpp
     ${TOM_ATLAS_HEADER}
 )
 
@@ -15,11 +63,46 @@ target_include_directories(${TOM_GAME_TARGET} PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/src
     ${CMAKE_CURRENT_SOURCE_DIR}/src/app
     ${CMAKE_CURRENT_SOURCE_DIR}/src/audio
+    ${CMAKE_CURRENT_SOURCE_DIR}/src/recognition
     ${CMAKE_CURRENT_SOURCE_DIR}/generated
 )
 
 imx6u_configure_app_target(${TOM_GAME_TARGET})
 
+if(TOM_GAME_ENABLE_TFLITE_C_API)
+    if(NOT TOM_GAME_TFLITE_INCLUDE_DIR OR
+        NOT EXISTS "${TOM_GAME_TFLITE_INCLUDE_DIR}/tensorflow/lite/c/c_api.h")
+        message(FATAL_ERROR
+            "TOM_GAME_ENABLE_TFLITE_C_API is enabled, but TensorFlow Lite C API headers were not found. "
+            "Set TOM_GAME_TFLITE_INCLUDE_DIR to the TensorFlow source root, for example "
+            "-DTOM_GAME_TFLITE_INCLUDE_DIR=/home/xushengyi/tensorflow-master/tensorflow-master"
+        )
+    endif()
+
+    if(NOT TOM_GAME_TFLITE_LIBRARY OR NOT EXISTS "${TOM_GAME_TFLITE_LIBRARY}")
+        message(FATAL_ERROR
+            "TOM_GAME_ENABLE_TFLITE_C_API is enabled, but libtensorflowlite_c.so was not found. "
+            "Set TOM_GAME_TFLITE_LIBRARY to the ARMhf TensorFlow Lite C API shared library."
+        )
+    endif()
+
+    message(STATUS "TomGame tiny KWS enabled with TensorFlow Lite C API")
+    message(STATUS "TensorFlow Lite include root: ${TOM_GAME_TFLITE_INCLUDE_DIR}")
+    message(STATUS "TensorFlow Lite C library: ${TOM_GAME_TFLITE_LIBRARY}")
+
+    target_compile_definitions(${TOM_GAME_TARGET} PRIVATE TOM_GAME_ENABLE_TFLITE_C_API)
+    target_include_directories(${TOM_GAME_TARGET} PRIVATE ${TOM_GAME_TFLITE_INCLUDE_DIR})
+    target_link_libraries(${TOM_GAME_TARGET} PRIVATE ${TOM_GAME_TFLITE_LIBRARY})
+
+    add_custom_command(TARGET ${TOM_GAME_TARGET} POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            "${TOM_GAME_TFLITE_LIBRARY}"
+            "$<TARGET_FILE_DIR:${TOM_GAME_TARGET}>"
+        COMMENT "Copying TensorFlow Lite C API runtime next to Tom game binary"
+        VERBATIM
+    )
+endif()
+
 if(CMAKE_CROSSCOMPILING AND NOT EXISTS "${TOM_ATLAS_HEADER}")
     message(FATAL_ERROR
         "Tom atlas header is missing. Run GenerateTomAtlasHeader in a host build before cross compiling."