Hi all,
On 18/08/17 12:56, Stuart Longland wrote:
> This introduces the `uart_mode` sysfs attribute as seen in the `io_ti`
> USB serial driver, allowing this USB serial interface to be switched
> between RS-232, 2-wire RS-485 and 4-wire RS-485.
>
> /sys/class/tty/ttyUSB${num}/device/uart takes a single integer:
… and of course, I meant 'uart_mode' here, not 'uart'.
>
> 0: RS-232 mode (default for RS-232-compatible dongles)
> 1: RS-485 2w mode (default for RS-485-only dongles)
> 2: RS-485 4w mode / RS-422 mode
This is of course, not a very elegant solution, but it gets me out of a
bind for now and at least gets the RS-485 functionality of this USB
serial dongle working.
Long term, I think the earlier ideas of expanding the RS-485 related
ioctls should be pursued. I'm open to ideas here.
Regards,
--
Stuart Longland (aka Redhatter, VK4MSL)
I haven't lost my mind...
...it's backed up on a tape somewhere.
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