refactoring into multiple files, not tested on hardware

command_processor.h

@@ -0,0 +1,18 @@
+#ifndef COMMAND_PROCESSOR_H
+#define COMMAND_PROCESSOR_H
+
+enum CommandAction {
+    CMD_NONE,
+    CMD_REFRESH,
+    CMD_CLEAR,
+    CMD_WIFI,
+    CMD_UNKNOWN
+};
+
+/**
+ * Parses a string to check if it is a command.
+ * Returns the corresponding CommandAction.
+ */
+CommandAction parse_command(const char* input);
+
+#endif // COMMAND_PROCESSOR_H