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SubjectRe: serial: custom baud rate
On Thu, May 3, 2018 at 11:24 PM, Theodore Y. Ts'o <tytso@mit.edu> wrote:
> On Thu, May 03, 2018 at 06:09:13PM +0530, Muni Sekhar wrote:
>> Hi All,
>>
>> From include/asm-generic/termbits.h , I see baudrate can be one of the
>> standard values: 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800,
>> 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 500000,
>> 576000, 921600, 1000000, 1152000, 1500000, 2000000, 2500000, 3000000,
>> 3500000, 4000000.
>>
>> If I need to set a custom baud rates(e.g. 14400, 128000, 256000), does
>> Linux serial framework has any supporting method?
>
> See the setserial man page:t
>
> https://linux.die.net/man/8/setserial
>
> Not all serial devices support the spd_cust and divisor, however. In
> general, only devices where the kernel directly programs the
> 8250/16450/16550 UART directly will support this feature.
>
So custom baud's can be set via TIOCSSERIAL IOCtl in kernel mode?
> - Ted



--
Thanks,
Sekhar

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