From 6adfea8f7c4b7b37ce79153ce4873baf73e627d5 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Tue, 14 May 2019 01:41:32 -0600
Subject: moved triangle_wave into fsm-misc, because I need it for power
 correction in tint ramping

---
 spaghetti-monster/fsm-misc.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'spaghetti-monster/fsm-misc.c')

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
-- 
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