Messages in this thread | | | Date | Sun, 13 May 2018 20:57:26 +0100 | From | Alan Cox <> | Subject | Re: serial: custom baud rate |
| |
On Thu, 3 May 2018 18:27:14 +0000 (UTC) Grant Edwards <grant.b.edwards@gmail.com> wrote:
> On 2018-05-03, Muni Sekhar <munisekharrms@gmail.com> wrote: > > > If I need to set a custom baud rates(e.g. 14400, 128000, 256000), does > > Linux serial framework has any supporting method? > > Sure, use the termios2 structure instead of the termios structure: > > #include <linux/termios.h> > > struct termios2 t; > > ioctl(fd, TCGETS2, &t) > > t.c_cflag &= ~CBAUD; > t.c_cflag |= BOTHER; > t.c_ispeed = baud; > t.c_ospeed = baud; > > ioctl(fd, TCSETS2, &t) > > [Not all devices/drivers support termios2]
That shouldn't be true - all devices get passed ispeed/ospeed and everything in tree was using the correct fields as far as I could tell last time I checked this
Alan
| |