upd

firmware/GyverLamp2_v0.8b/timerMillis.h

@@ -0,0 +1,36 @@
+class timerMillis {
+  public:
+    timerMillis() {}
+    timerMillis(uint32_t interval, bool active = false) {
+      _interval = interval;
+      reset();
+      if (active) restart();
+      else stop();
+    }
+    void setInterval(uint32_t interval) {
+      _interval = (interval == 0) ? 1 : interval;
+    }
+    boolean isReady() {
+      if (_active && millis() - _tmr >= _interval) {
+        //_tmr += _interval;
+        reset();
+        return true;
+      }
+      return false;
+    }
+    void reset() {
+      _tmr = millis();
+    }
+    void restart() {
+      reset();
+      _active = true;
+    }
+    void stop() {
+      _active = false;
+    }
+
+  private:
+    uint32_t _tmr = 0;
+    uint32_t _interval = 0;
+    boolean _active = false;
+};