-#if CONFIG_SER_RXTIMEOUT != -1
-/**
- * Discard input to resynchronize with remote end.
- *
- * Discard incoming data until the port stops receiving
- * characters for at least \a delay milliseconds.
- *
- * \note Serial errors are reset before and after executing the purge.
- */
-void ser_resync(struct Serial *fd, mtime_t delay)
-{
- mtime_t old_rxtimeout = ticks_to_ms(fd->rxtimeout);
-
- ser_settimeouts(fd, delay, ticks_to_ms(fd->txtimeout));
- do
- {
- ser_setstatus(fd, 0);
- ser_getchar(fd);
- }
- while (!(ser_getstatus(fd) & SERRF_RXTIMEOUT));
-
- /* Restore port to an usable status */
- ser_setstatus(fd, 0);
- ser_settimeouts(fd, old_rxtimeout, ticks_to_ms(fd->txtimeout));
-}
-#endif /* CONFIG_SER_RXTIMEOUT */
-