-#if IRMP_SUPPORT_SIEMENS_PROTOCOL == 1 && F_INTERRUPTS < 15000\r
-#warning F_INTERRUPTS too low, SIEMENS protocol disabled (should be at least 15000)\r
-#undef IRMP_SUPPORT_SIEMENS_PROTOCOL\r
-#define IRMP_SUPPORT_SIEMENS_PROTOCOL 0\r
-#endif\r
-\r
-#if IRMP_SUPPORT_RUWIDO_PROTOCOL == 1 && F_INTERRUPTS < 15000\r
-#warning F_INTERRUPTS too low, RUWIDO protocol disabled (should be at least 15000)\r
-#undef IRMP_SUPPORT_RUWIDO_PROTOCOL\r
-#define IRMP_SUPPORT_RUWIDO_PROTOCOL 0\r
-#endif\r
-\r
-#if IRMP_SUPPORT_RECS80_PROTOCOL == 1 && F_INTERRUPTS < 20000\r
-#warning F_INTERRUPTS too low, RECS80 protocol disabled (should be at least 20000)\r
-#undef IRMP_SUPPORT_RECS80_PROTOCOL\r
-#define IRMP_SUPPORT_RECS80_PROTOCOL 0\r
+#ifndef IRMP_EXT_LOGGING\r
+# define IRMP_EXT_LOGGING 0 // 1: use external logging, 0: do not. default is 0\r