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-rw-r--r--spaghetti-monster/fsm-misc.h3
1 files changed, 3 insertions, 0 deletions
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