Add support for win32

* https://www.silabs.com/documents/public/software/USBXpressHostSDK-Win.zip

Author: xychen

.github/workflows/build.yml

@@ -49,6 +49,61 @@ jobs:
           tag: ${{ github.ref }}
           repo_token: ${{ secrets.GITHUB_TOKEN }}
 
+  build-win32:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        include:
+          - { name: win32-x64, os: windows-latest }
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          submodules: recursive
+
+      - name: Setup MSYS2
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: MINGW64
+          release: false
+          install: >-
+            git
+            zip
+            mingw-w64-x86_64-toolchain
+            mingw-w64-x86_64-cmake
+            mingw-w64-x86_64-ninja
+
+      - name: Build
+        shell: msys2 {0}
+        run: |
+          cmake -G Ninja -B build
+          cmake --build build --config Release
+          ctest --test-dir build --build-config Release --output-on-failure
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: cp2102-${{ matrix.name }}
+          path: |
+            build/cp2102/cp2102.exe
+            build/cp2102/CP210xRuntime.dll
+          if-no-files-found: error
+
+      - name: Pack release assets
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        shell: msys2 {0}
+        run: zip -9 -j cp2102-${{ matrix.name }}.zip build/cp2102/cp2102.exe build/cp2102/CP210xRuntime.dll
+
+      - name: Release
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file: cp2102-${{ matrix.name }}.zip
+          tag: ${{ github.ref }}
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+
   build-docker:
     runs-on: ubuntu-latest
 

CMakeLists.txt

@@ -6,4 +6,6 @@ add_subdirectory(cp2102)
 add_subdirectory(libcp2102_usb)
 add_subdirectory(liblog)
 
-add_subdirectory(libusb)
+if(NOT WIN32)
+    add_subdirectory(libusb)
+endif()

cp2102/CMakeLists.txt

@@ -18,4 +18,12 @@ target_compile_options(
     -DGIT_INCREMENT=${GIT_INCREMENT}
 )
 
+if(WIN32)
+    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy
+        $<TARGET_FILE_DIR:cp2102_usb>/CP210xRuntime.dll
+        ${PROJECT_BINARY_DIR}
+    )
+endif()
+
 install(TARGETS ${PROJECT_NAME} DESTINATION bin)

libcp2102_usb/CMakeLists.txt

@@ -1,12 +1,18 @@
 project(cp2102_usb)
 
-set(SRCS "src/cp2102_libusb.c")
+set(SRCS)
+
+if(WIN32)
+    list(APPEND SRCS "src/cp2102_win32.c")
+else()
+    list(APPEND SRCS "src/cp2102_libusb.c")
+endif()
 
 if(APPLE)
     list(APPEND SRCS "src/tty_utils_darwin.c")
 elseif(UNIX)
     list(APPEND SRCS "src/tty_utils_linux.c")
-else()
+elseif(NOT WIN32)
     list(APPEND SRCS "src/tty_utils_dummy.c")
 endif()
 
@@ -18,7 +24,21 @@ target_include_directories(
 )
 
 target_link_libraries(${PROJECT_NAME} log)
-target_link_libraries(${PROJECT_NAME} usb)
+
+if(WIN32)
+    set(CP210XRT_DIR ${PROJECT_SOURCE_DIR}/cp210xrt)
+
+    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy
+        ${CP210XRT_DIR}/CP210xRuntime.dll
+        ${PROJECT_BINARY_DIR}
+    )
+
+    target_include_directories(${PROJECT_NAME} PRIVATE ${CP210XRT_DIR})
+    target_link_libraries(${PROJECT_NAME} ${CP210XRT_DIR}/CP210xRuntime.dll)
+else()
+    target_link_libraries(${PROJECT_NAME} usb)
+endif()
 
 if(APPLE)
     target_link_libraries(${PROJECT_NAME} "-framework IOKit")