Rework structure and configuration

include/sta/os2/startup.hpp

@@ -0,0 +1,29 @@
+/**
+ * @brief Implementation of startup system task.
+ *
+ * Define STA_OS2_STARTUP_ENABLE in <sta/config.hpp> to enable.
+ *
+ * Configuration:
+ *     STA_OS2_STARTUP_ENTRY_FUNCTION:  Name of task entry function (default: startupTask)
+ */
+#ifndef STA_OS2_STARTUP_HPP
+#define STA_OS2_STARTUP_HPP
+
+#include <sta/config.hpp>
+#ifdef STA_OS2_STARTUP_ENABLE
+
+
+namespace sta
+{
+	/**
+	 * @brief Extra initialization run at start of startup task.
+	 *
+	 * May be overridden by application if required.
+	 */
+	void startupExtras(void * argument);
+} // namespace sta
+
+
+#endif // STA_OS2_STARTUP_ENABLE
+
+#endif // STA_OS2_STARTUP_HPP