add

firmware/GyverLamp2_v0.7b/fastRandom.h

@@ -0,0 +1,25 @@
+#ifndef FastRandom_h
+#define FastRandom_h
+#include <Arduino.h>
+
+class FastRandom {
+  public:
+    // установить сид
+    void setSeed(uint16_t seed) {
+      _seed = seed;
+    }
+    uint16_t get() {
+      _seed = (_seed * 2053ul) + 13849;
+      return _seed;
+    }
+    uint16_t get(uint16_t max) {
+      return ((uint32_t)max * get()) >> 16;
+    }
+    uint16_t get(uint16_t min, uint16_t max) {
+      return (get(max - min) + min);
+    }
+  private:
+    uint16_t _seed;
+};
+
+#endif