feat: declared enum class

include/SysfsRead.hpp

@@ -0,0 +1,20 @@
+// SysfsRead.hpp
+//
+// SPDX-License-Identifier GPL-3.0-or-later
+//  Author: Unai Blazquez Gomez <unaibg2000@gmail.com>
+
+#pragma once
+
+enum class SysfsStatus
+{
+  /// @brief File cannot be opened or does not exist.
+  Unreachable,
+  /// @brief File exists but is just empty.
+  Empty,
+  /// @brief File content indicates taht production is enabled (e.g. "1")
+  Enabled,
+  /// @brief File requests a cooldown ("error: temp too high")
+  ErrorTempTooHigh,
+  /// @brief File contains an UnexpectedValue; producer must not send.
+  UnexpectedValue
+};