Init: Rattenfalle

include/README

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+
+This directory is intended for project header files.
+
+A header file is a file containing C declarations and macro definitions
+to be shared between several project source files. You request the use of a
+header file in your project source file (C, C++, etc) located in `src` folder
+by including it, with the C preprocessing directive `#include'.
+
+```src/main.c
+
+#include "header.h"
+
+int main (void)
+{
+ ...
+}
+```
+
+Including a header file produces the same results as copying the header file
+into each source file that needs it. Such copying would be time-consuming
+and error-prone. With a header file, the related declarations appear
+in only one place. If they need to be changed, they can be changed in one
+place, and programs that include the header file will automatically use the
+new version when next recompiled. The header file eliminates the labor of
+finding and changing all the copies as well as the risk that a failure to
+find one copy will result in inconsistencies within a program.
+
+In C, the usual convention is to give header files names that end with `.h'.
+It is most portable to use only letters, digits, dashes, and underscores in
+header file names, and at most one dot.
+
+Read more about using header files in official GCC documentation:
+
+* Include Syntax
+* Include Operation
+* Once-Only Headers
+* Computed Includes
+
+https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

include/main.hpp

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+#pragma once
+
+#include <Arduino.h>
+#include <Servo.h>
+
+#include <array>
+
+#include "AbHal.hpp"
+#include "DcMotor.hpp"
+#include "Utils.hpp"
+
+
+using TimeStamp = decltype(millis());
+
+class ServoGrp {
+   public:
+    ServoGrp(int pin) : _pin(pin) {}
+    
+    void attach() {
+        _srv.attach(_pin);
+    }
+
+    void detach() {
+        _srv.detach();
+    }
+
+    void write(int pos) {
+        _pos = pos;
+        _srv.write(_pos);
+    }
+    
+    private:
+    Servo _srv;
+    int _pin;
+    int _pos{};
+};