50 baud is dead

Daniel O'Connor doconnor at gsoft.com.au
Sat Jul 12 01:12:16 UTC 2008


On Sat, 12 Jul 2008, Christian Weisgerber wrote:
> Today I thought I'd hook up a simple DCF77 radio clock receiver,
> serial port type, by way of a USB-to-serial converter.  Just to see
> how this compares to the same gadget hooked up to an actual serial
> port (which are getting rare).
>
> ntpd[37130]: ntpd 4.2.0-a Sun Jul  6 13:31:43 CEST 2008 (1)
> ntpd[37130]: PARSE receiver #1: parse_start: tcsetattr(14, &tio):
> Input/output error ntpd[37130]: internal error: refclockio structure
> not found
>
> It turns out that uplcom(4) adapters don't support the required
> speed of 50 baud anymore.
>
> The times they are a-changin'.
>
>
> [Please note that I have posted this as a curious observation; it
> is not a request for assistance.]

You know, it might actually support it if you hack up the driver.
The source says the PL2303X "can set any rate".

Worth a try anyway :)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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