3 files changed, 16 insertions, 6 deletions
diff --git a/spaghetti-monster/anduril/anduril.c b/spaghetti-monster/anduril/anduril.c
index 6057bf0..75c22e3 100644
--- a/spaghetti-monster/anduril/anduril.c
+++ b/spaghetti-monster/anduril/anduril.c
@@ -185,6 +185,12 @@ typedef enum {
 #define USE_PSEUDO_RAND
 #endif
 
+#if defined(USE_CANDLE_MODE)
+#ifndef USE_TRIANGLE_WAVE
+#define USE_TRIANGLE_WAVE
+#endif
+#endif
+
 #include "spaghetti-monster.h"
 
 
@@ -1235,12 +1241,6 @@ uint8_t candle_mode_state(Event event, uint16_t arg) {
     }
     return EVENT_NOT_HANDLED;
 }
-
-uint8_t triangle_wave(uint8_t phase) {
-    uint8_t result = phase << 1;
-    if (phase > 127) result = 255 - result;
-    return result;
-}
 #endif  // #ifdef USE_CANDLE_MODE
 
 
diff --git a/spaghetti-monster/fsm-misc.c b/spaghetti-monster/fsm-misc.c
index e61fe00..9f953fa 100644
--- a/spaghetti-monster/fsm-misc.c
+++ b/spaghetti-monster/fsm-misc.c
@@ -146,5 +146,12 @@ void indicator_led_auto() {
 */
 #endif  // USE_INDICATOR_LED
 
+#ifdef USE_TRIANGLE_WAVE
+uint8_t triangle_wave(uint8_t phase) {
+    uint8_t result = phase << 1;
+    if (phase > 127) result = 255 - result;
+    return result;
+}
+#endif
 
 #endif
diff --git a/spaghetti-monster/fsm-misc.h b/spaghetti-monster/fsm-misc.h
index 4e0eb4f..6e41b6c 100644
--- a/spaghetti-monster/fsm-misc.h
+++ b/spaghetti-monster/fsm-misc.h
@@ -46,5 +46,8 @@ uint8_t blink(uint8_t num, uint8_t speed);
 void indicator_led(uint8_t lvl);
 #endif
 
+#ifdef USE_TRIANGLE_WAVE
+uint8_t triangle_wave(uint8_t phase);
+#endif
 
 #endif