usr sporster pro not always properly detected

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Hi,

On Sat, Oct 23, 1999 at 04:34:48PM -0700, Erik Hovland wrote:
> 10/23 16:11:18 yS1   voice command: 'ATI' -> ''
> 10/23 16:11:18 yS1    vgetty: ATI
> 10/23 16:11:18 yS1    serial port: 5601
> 10/23 16:11:18 yS1  US Robotics detected
> 10/23 16:11:19 yS1    US Robotics: OK
> 
> Failure:
> 10/23 16:17:52 yS1   voice command: 'ATI' -> ''
> 10/23 16:17:52 yS1    vgetty: ATI
> 10/23 16:17:52 yS1    serial port: ATI
> 10/23 16:17:52 yS1    serial port: 5601
> 10/23 16:17:52 yS1    serial port: OK
> 10/23 16:17:53 yS1  no voice modem detected

Interesting indeed.  Sometimes the modem does echo the ATI command,
sometimes it doesn't.  This has come up earlier, the USRs seem to have
real problems with (or "without") command echo.

Marc, we really have to make vgetty immune to this.  Something along the
lines of "if we're waiting for something, and receive a line starting with
AT..., ignore it, if it's the same AT command that we sent to the modem,
barf, if something else".

gert
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Gert Doering - Munich, Germany                             gert@greenie.muc.de
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