[Elecraft] LP Bridge crashes with K3

[George Kidder]

No I have not, Larry.  What settings do you recommend for starters?

George


On 12/4/2016 11:02 AM, Larry Phipps wrote:
> Have you tried adjusting the buffer settings in Device Mgr for your 
> serial port?
>
> Larry N8LP
>
> Date: Sat, 3 Dec 2016 09:33:33 -0500
> From: George Kidder<gkidder at ilstu.edu>
> To: 'Elecraft Reflector'<elecraft at mailman.qth.net>
> Subject: [Elecraft] LP Bridge crashes with K3
> Message-ID:<a6a9a38b-ed36-ec28-ae6f-e60d63ad2300 at ilstu.edu>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> OK, gang!  I've tried everything I can think of, and am now looking for
> some additional thoughts.
>
> Equipment: K3 (unmodified) with firmware 5.53, computer (2.99 GHz dual
> core, 4 GB memory) running Win 7, LP-Bridge (LPB) set for 200 mS delay.
> The computer is not connected to the internet, and all programs are
> brought in from another computer using a flash drive.
>
> Problem:  At random but long intervals (hours) LP-Bridge crashes,
> displaying error 13 (type mismatch).  Clearing this window causes
> program to close.  This behavior is seen with no external programs
> connected to LPB, and with LPB set to any polling rate from 200 mS
> (default) to as much as 1000 mS.  It is seen when LPB2 is used and the
> baud rate is reduced to 4800.  When the crash occurs, the error seems to
> be in a response from the K3 - for instance, the "Rig Received Text"
> window shows "IS 0|00;" while it should show "IS 0600;".  In this case
> the K3 was set to CW mode.  In LSB mode, the same window shows "CW 6+;"
> where I presume it should have been "CW 60;".  This damaged text shows
> up in all windows (Rig received, K3 Com port, Power SCR-IF Aux CAT port,
> etc.)
>
> Attempted resolution includes reloading the K3 firmware and reloading
> LPB from the website after clearing out all remnants of the old
> program.  Nothing helps - LPB still crashes when allowed to run for
> several hours.  Other programs not affected.  Computer is on a UPS, so
> momentary power outage would not be a cause (even if there should be one
> every night!)
>
> Clearly, there is a communication failure between the K3 and LPB, since
> it occurs with nothing else connected.  Is the problem with the K3, LBP
> or the Win 7 operating system which sits between them?  And what more
> can I try to fix it?
>
> Your thoughts will be greatly appreciated.
>
> George, W3HBM
>
>
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