*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#define mid(time) ao_beep_for(AO_BEEP_MID, time)
#define high(time) ao_beep_for(AO_BEEP_HIGH, time)
#else
-#define low(time) ao_led_for(AO_LED_GREEN, time)
-#define mid(time) ao_led_for(AO_LED_RED, time)
-#define high(time) ao_led_for(AO_LED_GREEN|AO_LED_RED, time)
+#ifndef AO_LED_LOW
+#define AO_LED_LOW AO_LED_GREEN
+#endif
+#ifndef AO_LED_MID
+#define AO_LED_MID AO_LED_RED
+#endif
+
+#define low(time) ao_led_for(AO_LED_LOW, time)
+#define mid(time) ao_led_for(AO_LED_MID, time)
+#define high(time) ao_led_for(AO_LED_MID|AO_LED_LOW, time)
#endif
#define pause(time) ao_delay(time)