Update analog input support

ESP32-S3-Analog/cache.h

@@ -0,0 +1,31 @@
+/***************************************************************
+ *                                                             *
+ *                Taiko Sanro - Arduino                        *
+ *                 Cache data structure                        *
+ *                                                             *
+ *                        Chris                                *
+ *                   wisaly@gmail.com                          *
+ *                                                             *
+ ***************************************************************/
+
+#ifndef CACHE_H
+#define CACHE_H
+
+template <class T, int L>
+class Cache {
+public:
+  Cache() { memset(data_, 0, sizeof(data_)); }
+  inline void put(T value) {
+    current_ = (current_ + 1) & (L - 1);
+    data_[current_] = value;
+  }
+  inline T get(int offset = 0) const {
+    return data_[(current_ + offset) & (L - 1)];
+  }
+
+private:
+  T data_[L];
+  int current_ = 0;
+};
+
+#endif  // CACHE_H