[PATCH] 230.4Kbps support for serial port
Thu Jan 9 08:21:00 GMT 2003
On Tue, Jan 07, 2003 at 03:48:51PM -0700, Troy Curtiss wrote:
> Attached is a patch that enables cygwin to talk at 230400 bps on serial
>ports that support the higher rate. It also does the necessary
>error-checking to confirm whether or not a given port is capable of
>extended bitrates. I added B230400 (for Posix) and CBR_230400 (for Win32)
>definitions to the appropriate header files (termios.h and winbase.h,
>respectively). I've been testing for a couple days now and it appears to
>work as designed. (We use a lot of extended bitrate devices at work,
>mostly with Win32 code - so this simply brings the paradigm across to the
>posix side of the house.)
>Question: Upon failure (ie. trying to configure a non-230.4K capable port
>to talk 230.4K), I simply return -1... I'm not sure whether POSIX would
>set errno = EINVAL or not... either way is fine.
> Let me know if you have any questions, otherwise it sure would be nice
>to roll this in if possible :) Thanks,
I'll apply this patch (with a reformatted changelog) to cygwin but not
to winbase.h. I couldn't find any reference to a CBR_230400 anywhere so
it wouldn't be technically correct to a windows header file.
>2003-01-06 Troy Curtiss <email@example.com>
> * fhandler_serial.cc (fhandler_serial::tcsetattr): Add support and
> capability checking for B230400 bitrate.
> * fhandler_serial.cc (fhandler_serial::tcgetattr): Add support for
> B230400 bitrate.
> * /cvs/src/src/winsup/w32api/include/winbase.h: Add CBR_230400
> definition for Win32 support of 230.4Kbps.
> * /cvs/src/src/winsup/cygwin/include/sys/termios.h: Add B230400
> definition for Posix support of 230.4Kbps.
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