initial commit

app/filter.h

@@ -0,0 +1,20 @@
+#ifndef FILTER_H
+#define FILTER_H
+
+#pragma once
+
+class PT1Filter {
+private:
+    double output;
+    double filterFactor;
+
+public:
+    PT1Filter(double tau, double dt);
+    double update(double input);
+    double step(double input);
+    void reset();
+};
+
+
+
+#endif // FILTER_H