On 3/20/2015 10:12 AM, Sebastian Huber wrote: > ----- Daniel Krüger <daniel.krue...@systec-electronic.com> schrieb: >> Beside some problems/differences between newlibc and glibc, one >> RTEMS-specific questions remains unanswered: >> >> What is the right implementation for the UART driver read function >> (console_fns.deviceRead)? It seems to be implemented differently from >> target to target. Some implementations return -1 if the receive FIFO is >> empty and some implementations do a busy waiting for new characters. > The new Termios device API is documented here: > > https://docs.rtems.org/doc-current/share/rtems/html/bsp_howto/Console-Driver.html#Console-Driver > > A busy wait in the polled read handler is a driver bug. And it have been for a LONG time. :) > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel
-- Joel Sherrill, Ph.D. Director of Research & Development joel.sherr...@oarcorp.com On-Line Applications Research Ask me about RTEMS: a free RTOS Huntsville AL 35805 Support Available (256) 722-9985 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
