-file headers updated with short description

Author: siarhei-t

inc/platform/sp_windows.hpp

@@ -1,7 +1,7 @@
 /**
  * @file sp_windows.hpp
  *
- * @brief
+ * @brief class with serial port control implementation for Windows
  *
  * @author Siarhei Tatarchanka
  *

inc/serial_port.hpp

@@ -1,7 +1,7 @@
 /**
  * @file serial_port.hpp
  *
- * @brief
+ * @brief serial port interface class definition
  *
  * @author Siarhei Tatarchanka
  *

inc/sp_error.hpp

@@ -1,7 +1,7 @@
 /**
  * @file sp_error.hpp
  *
- * @brief
+ * @brief custom system error code generator
  *
  * @author Siarhei Tatarchanka
  *

inc/sp_types.hpp

@@ -1,7 +1,7 @@
 /**
  * @file sp_types.hpp
  *
- * @brief
+ * @brief common types definisions for serial port library
  *
  * @author Siarhei Tatarchanka
  *

src/serial_port.cpp

@@ -1,7 +1,7 @@
 /**
  * @file serial_port.cpp
  *
- * @brief
+ * @brief implementation for class defined in serial_port.hpp
  *
  * @author Siarhei Tatarchanka
  *

src/sp_error.cpp

@@ -1,7 +1,7 @@
 /**
  * @file sp_error.cpp
  *
- * @brief
+ * @brief custom system error implementation for serial port library
  *
  * @author Siarhei Tatarchanka
  *

src/sp_linux.cpp

@@ -1,7 +1,7 @@
 /**
  * @file sp_linux.cpp
  *
- * @brief
+ * @brief implementation for class defined in sp_linux.hpp
  *
  * @author Siarhei Tatarchanka
  *

src/sp_windows.cpp

@@ -1,7 +1,7 @@
 /**
  * @file sp_windows.cpp
  *
- * @brief
+ * @brief implementation for class defined in sp_windows.hpp
  *
  * @author Siarhei Tatarchanka
  *