From 7651e46ee066c42beec415bfa42bdbcd2ebaa081 Mon Sep 17 00:00:00 2001
From: Fabian Schlenz <mail@fabianonline.de>
Date: Sun, 10 Jan 2021 16:27:49 +0100
Subject: [PATCH] Speed can now be changed on-the-fly by setting `speedup`.

---
 include/prototypes.h | 1 +
 src/main.cpp         | 3 ++-
 src/mqtt.cpp         | 2 ++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/prototypes.h b/include/prototypes.h
index a579499..de7d6f1 100644
--- a/include/prototypes.h
+++ b/include/prototypes.h
@@ -32,3 +32,4 @@ extern AnimationMode mode;
 extern AnimationMode temp_mode;
 extern unsigned long temp_mode_until;
 extern int return_to_brightness;
+extern uint8_t speedup;
diff --git a/src/main.cpp b/src/main.cpp
index 850ce9a..563d930 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,7 @@ AnimationMode mode = AM_CORNERS;
 AnimationMode temp_mode;
 unsigned long temp_mode_until;
 int return_to_brightness = -1;
+uint8_t speedup = SPEEDUP;
 
 unsigned long last_loop = 0;
 
@@ -156,7 +157,7 @@ void loop() {
 		mqtt_loop();
 		ArduinoOTA.handle();
 
-		EVERY_N_MILLISECONDS(20 / SPEEDUP) {
+		if (speedup > 0 && (millis() - last_loop > (20 / speedup) || last_loop > millis())) {
 			looping = false;
 
 			AnimationMode active_mode = mode;
diff --git a/src/mqtt.cpp b/src/mqtt.cpp
index 9cb7e5d..31b589e 100644
--- a/src/mqtt.cpp
+++ b/src/mqtt.cpp
@@ -67,6 +67,8 @@ void callback(char* topic, byte* pl, unsigned int length) {
             else if (value.equals("yellow")) { color = CRGB::Yellow; }
             else if (value.equals("orange")) { color = CRGB::Orange; }
             else { LOGln("Unknown color name %s.", value.c_str());}
+        } else if (key.equals("speedup")) {
+            speedup = value.toInt();
         } else {
             LOGln("Unknown key '%s'. (For reference: Value is '%s'.)", key.c_str(), value.c_str());
         }