Hi, On Mon, May 01, 2017 at 11:31:57AM +0200, Samuel Thibault wrote: > Hello, > > John Covici, on dim. 30 avril 2017 04:18:12 -0400, wrote: > > If there is a lot of output, it takes a very long time -- 30 seconds > > or more to shut up when I hit the enter key on the numpad. > > Okash, this may be related with the serial port layer buffering data. Right, that would explain it but I thought send_xchar would prioritise SYNTH_CLEAR over buffered data. > I > realize that we haven't made the synth_flush functions call the > flush_buffer tty ops. We need to do so, otherwise even if we send the > clear character, that's only after the processing of pending data. > > So in the synth_flush functions, one needs to first call flush_buffer() > and then send the clear character. > > Yes, flush_buffer is yet another method to be added to the spk_io_ops > structure. Cool, I'll make the changes and share them here as a patch. > In the serialio case, you can just let it do nothing. One > could want to flush the UART 16550 buffer but that's not the point of > your patch anyway :) Sure, may be something to keep in mind for later. Thanks, Okash _______________________________________________ Speakup mailing list Speakup@xxxxxxxxxxxxxxxxx http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
