PSN-L Email List Message

Subject: Re: USB to SERIAL converter
From: Geoff gmvoeth@.........
Date: Sat, 23 Jun 2012 22:54:43 +0000


On 2012-06-23 16:52, Jón Frímann wrote:
> Hello,
>
> I have been having issues with usb to serial problem. But not with the
> serial board from Larry. But rather one of my board that is running the
> USB version of it. This issue does not happen on a second computer that
> is also running WinSDR USB version. So this might be a usb hub issue (on
> the motherboard).
>
> The data stops at random times and I need to reboot my earthquake
> computer to get it working again.
>
> I do not know it is the same problem that you are dealing with. But it
> sounds about the same.
>
> I am now sending Larry some debug information on this issue. In the hope
> that I can fix it.
>
> Regards,
> Jón Frímann.
>
> On lau, 2012-06-23 at 16:12 +0000, GeoffHM wrote:
>> Hello PSN,
>> Not sure but think going into the
>> Device Manager and turning OFF
>> the First-In First-Out Buffers
>> has stopped the loss of data
>> I had been having with WINSDR.
>>
>> I tried everything I could think of
>> and nothing would stop the Random loss of data.
>>
>> Possibly, when you use a setup not
>> requiring hardware or software
>> flow controls. This is what should be dome.
>> It dawns on me that data might be lost
>> if flow control is not combined with the use of buffers.
>>
>> The buffers get filled for some WINDOWS reason
>> and not serviced quick enough to stop loosing data.
>>
>> It might be called a Buffer Overrun problem.
>>
>> I really hate this tech revolution which simply
>> creates a whole new car instead of making the old one better.
>>
>>
>> ????
>> geoff
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>
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>
It seems to somehow be related to
RFI or Power Glitches to me
It will recover but takes minutes to do so.
It will run fine for hours at a time.
I think its a driver issue.
More so than Hardware.

geoff


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