- * *
- * * frequency - the clock freuquency in Hz.
- * * lastTime - the last time (in milliseconds since startup) that the clock
- * * ticked.
- * */
+ *
+ * frequency - the clock frequency in Hz.
+ * last_time - the last time (in milliseconds since startup) that the clock
+ * ticked.
+ * time_function - a function returning current time in ms
+ */