+/*---------------------------------------------------------------------------------------------------------------------------------------------------\r
+ * Use external logging routines\r
+ * If you enable external logging, you have also to enable IRMP_LOGGING above\r
+ *---------------------------------------------------------------------------------------------------------------------------------------------------\r
+ */\r
+#ifndef IRMP_EXT_LOGGING\r
+#define IRMP_EXT_LOGGING 0 // 1:log, 0: do not log ; \r
+#endif\r
+\r