aqhome: Added test for serial interface, added api.h.

aqhome/api.h

@@ -0,0 +1,50 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_API_H
+#define AQH_API_H
+
+
+
+# ifdef BUILDING_AQHOME
+#  /* building AqHome */
+#  if AQHOME_SYS_IS_WINDOWS
+#    /* for windows */
+#    ifdef __declspec
+#      define AQHOME_API __declspec (dllexport)
+#    else /* if __declspec */
+#      define AQHOME_API
+#    endif /* if NOT __declspec */
+#  else
+#    /* for non-win32 */
+#    ifdef GCC_WITH_VISIBILITY_ATTRIBUTE
+#      define AQHOME_API __attribute__((visibility("default")))
+#    else
+#      define AQHOME_API
+#    endif
+#  endif
+# else
+#  /* not building AqHome */
+#  if AQHOME_SYS_IS_WINDOWS
+#    /* for windows */
+#    ifdef __declspec
+#      define AQHOME_API __declspec (dllimport)
+#    else /* if __declspec */
+#      define AQHOME_API
+#    endif /* if NOT __declspec */
+#  else
+#    /* for non-win32 */
+#    define AQHOME_API
+#  endif
+# endif
+
+
+
+
+#endif
+