Merge pull request #2887 from verilog-to-routing/fix_devgrid_doxygen

Fix DeviceGrid doxygen

Author: vaughnbetz

doc/_doxygen/vpr.dox

@@ -6,7 +6,7 @@ EXTRACT_ALL            = YES
 EXTRACT_PRIVATE        = YES
 EXTRACT_STATIC         = YES
 WARN_IF_UNDOCUMENTED   = NO
-INPUT                  = ../../vpr
+INPUT                  = ../../vpr ../../libs/libarchfpga/
 RECURSIVE              = YES
 GENERATE_HTML          = NO
 GENERATE_LATEX         = NO

libs/libarchfpga/src/device_grid.h

@@ -19,8 +19,12 @@ struct t_grid_tile {
     const t_metadata_dict* meta = nullptr;
 };
 
-///@brief DeviceGrid represents the FPGA fabric. It is used to get information about different layers and tiles.
-// TODO: All of the function that use helper functions of this class should pass the layer_num to the functions, and the default value of layer_num should be deleted eventually.
+
+//TODO: All of the functions that use helper functions of this class should pass the layer_num to the functions, and the default value of layer_num should be deleted eventually.
+/**
+ * @class DeviceGrid
+ * @brief Represents the FPGA fabric. It is used to get information about different layers and tiles.
+ */
 class DeviceGrid {
   public:
     DeviceGrid() = default;