cmake:migrate libdronecan for cmake build

Signed-off-by: xuxin19 <xuxin19@xiaomi.com>

canutils/libdronecan/CMakeLists.txt

@@ -0,0 +1,95 @@
+# ##############################################################################
+# apps/canutils/libdronecan/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+if(CONFIG_CANUTILS_LIBDRONECAN)
+
+  # ############################################################################
+  # Config and Fetch libdronecan lib
+  # ############################################################################
+
+  set(LIBDRONECAN_DIR ${CMAKE_CURRENT_LIST_DIR}/libcanard)
+
+  if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/libcanard)
+    FetchContent_Declare(
+      libdronecan_fetch
+      URL ${CONFIG_LIBDRONECAN_URL}/${CONFIG_LIBDRONECAN_VERSION}.zip SOURCE_DIR
+          ${CMAKE_CURRENT_LIST_DIR}/libcanard BINARY_DIR
+          ${CMAKE_BINARY_DIR}/apps/canutils/libdronecan/libcanard
+      DOWNLOAD_NO_PROGRESS true
+      TIMEOUT 30)
+
+    FetchContent_GetProperties(libdronecan_fetch)
+
+    if(NOT libdronecan_fetch_POPULATED)
+      FetchContent_Populate(libdronecan_fetch)
+    endif()
+
+    set(LIBDRONECAN_DIR ${libdronecan_fetch_SOURCE_DIR})
+  endif()
+
+  # ############################################################################
+  # Flags
+  # ############################################################################
+
+  set(CFLAGS -std=c99 -DCANARD_ASSERT=DEBUGASSERT)
+
+  # Conflict with Cyphal's libcanard
+  if(CONFIG_CANUTILS_LIBOPENCYPHAL)
+    list(APPEND CFLAGS -DcanardInit=dronecanardInit)
+  endif()
+
+  if(CONFIG_LIBDRONECAN_CANFD)
+    list(APPEND CFLAGS -DCANARD_ENABLE_CANFD=1)
+  endif()
+
+  # ############################################################################
+  # Sources
+  # ############################################################################
+
+  set(CSRCS ${LIBDRONECAN_DIR}/canard.c)
+
+  if(CONFIG_NET_CAN)
+    list(APPEND CSRCS ${LIBDRONECAN_DIR}/drivers/socketcan/socketcan.c)
+  else()
+    list(APPEND CSRCS ${LIBDRONECAN_DIR}/drivers/nuttx/canard_nuttx.c)
+  endif()
+
+  # ############################################################################
+  # Include Directory
+  # ############################################################################
+
+  set(INCDIR ${NUTTX_APPS_DIR}/canutils/libdronecan/libcanard)
+
+  if(CONFIG_NET_CAN)
+    list(APPEND INCDIR
+         ${NUTTX_APPS_DIR}/canutils/libdronecan/libcanard/drivers/socketcan)
+  endif()
+
+  # ############################################################################
+  # Library Configuration
+  # ############################################################################
+
+  nuttx_add_user_library(libdronecan)
+
+  target_sources(libdronecan PRIVATE ${CSRCS})
+  target_compile_options(libdronecan PRIVATE ${CFLAGS})
+  target_include_directories(libdronecan PRIVATE ${INCDIR})
+
+endif()