Timer support added

include/sta/timer.hpp

@@ -0,0 +1,34 @@
+/**
+ * @file
+ * @brief Timer interface definition.
+ */
+#ifndef STA_CORE_TIMER_HPP
+#define STA_CORE_TIMER_HPP
+
+
+namespace sta
+{
+    /**
+     * @brief Interface for timer objects.
+     *
+     * @ingroup sta_core
+     */
+    class Timer
+    {
+    public:
+        /**
+         * @brief Start Timer.
+         * 
+         * @param time in milliseconds
+         */
+        virtual void start(uint32_t millis) = 0;
+        /**
+         * @brief Stop Timer.
+         *
+         */
+        virtual void stop() = 0;
+    };
+} // namespace sta
+
+
+#endif //STA_CORE_TIMER_HPP