ADD create files for multi tasking and modify the main

multi_tasking/gear_device.hpp

@@ -0,0 +1,54 @@
+// Copyright 2022 Haute école d'ingénierie et d'architecture de Fribourg
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/****************************************************************************
+ * @file gear_device.hpp
+ * @author Serge Ayer <serge.ayer@hefr.ch>
+ * @author Rémi Heredero <remi@heredero.ch>
+ * @author Yann Sierro <yannsierro.pro@gmail.com>
+ *
+ * @brief Gear Device header file (static scheduling)
+ *
+ * @date 2023-11-17
+ * @version 1.1.0
+ ***************************************************************************/
+
+#pragma once
+
+#include "constants.hpp"
+#include "mbed.h"
+
+namespace multi_tasking {
+
+class GearDevice {
+   public:
+    explicit GearDevice();  // NOLINT(runtime/references)
+
+    // make the class non copyable
+    GearDevice(GearDevice&)            = delete;
+    GearDevice& operator=(GearDevice&) = delete;
+
+    // method called for updating the bike system
+    uint8_t getCurrentGear();
+    uint8_t getCurrentGearSize() const;
+
+    void onUp();
+    void onDown();
+
+   private:
+    // data members
+    volatile uint8_t _currentGear = bike_computer::kMinGear;
+};
+
+}  // namespace static_scheduling