Initial Commit

.gitignore

+# CLion
+/.idea
+/*-build-*
+
+# Visual Studio
+/.vs
+/out
+
+# vscode
+/.vscode
+/build

CMakeLists.txt

+cmake_minimum_required(VERSION 3.26)
+project(Uebung0)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+add_library(common OBJECT
+        src/controller.c
+        src/controller.h)
+
+add_executable(Uebung0 src/main.c
+        src/controller.c
+        src/controller.h)
+
+# Fetch Catch2
+Include(FetchContent)
+FetchContent_Declare(
+        Catch2
+        GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+        GIT_TAG        v3.3.2
+)
+FetchContent_MakeAvailable(Catch2)
+
+# Build Tests
+enable_testing()
+
+
+add_executable(test_controller
+        $<TARGET_OBJECTS:common>
+        src/controller.test.cpp
+)
+
+target_link_libraries(test_controller PRIVATE Catch2::Catch2WithMain)
+target_include_directories(test_controller PRIVATE src/)
+add_test(test_controller env CTEST_OUTPUT_ON_FAILURE=1 ./test_controller)
+

src/controller.c

+#include "controller.h"
+
+int controller(int w, int y, int maxControl) { return 0; }

src/controller.h

+#ifndef CONTROLLER_H
+#define CONTROLLER_H
+int controller(int w, int y, int maxControl);
+#endif  // CONTROLLER_H

src/controller.test.cpp

+#include <catch2/catch_test_macros.hpp>
+extern "C" {
+#include "controller.h"
+}
+
+TEST_CASE("PI_Regler") {
+    REQUIRE(controller(8, 0, 500) == 16);
+    REQUIRE(controller(-2, 0, 500) == -4);
+    REQUIRE(controller(0, 2, 500) == -4);
+}
+
+TEST_CASE("limits") {
+    REQUIRE(controller(2, 0, 2) == 2);
+    REQUIRE(controller(-2, 0, 2) == -2);
+}
\ No newline at end of file

src/main.c

+#include <stdio.h>
+
+#include "controller.h"
+
+int main() { return 0; }