[ICOM] Splitting the CI-V data stream

Gary P. Fiber gfiber at comcast.net
Fri Jan 29 15:50:39 EST 2010


Maybe turn off the polling of the PC software and let the Transceive 
setting of the CI-V report to the PC the Frequency and mode.
As I remember your stuck with transceive needing to be enabled so the 
PW-1 follows the transceiver around in frequency and band.
I wrote one of the original write-ups how to get the PW-1 and a 
Transceiver to connect and use CI-V control, was a matter of starting 
one before the other but that's as far as I went with it. AND is been 10 
years ago.

I do remember the Transceive was an issue when tying two or more 
transceivers together as what you did to one the others would follow as 
far as they could, generally the mode would follow.

Gary K8IZ

On 1/29/2010 12:28 PM, Dave AA6YQ wrote:
>>>> AA6YQ comments below
>>>>          
> -----Original Message-----
> From: icom-bounces at mailman.qth.net
> [mailto:icom-bounces at mailman.qth.net]On Behalf Of Mel
> Sent: Friday, January 29, 2010 1:54 PM
> To: ng7z at arrl.net; icom at mailman.qth.net
> Subject: [ICOM] Splitting the CI-V data stream
>
>
> I think you are trying to fix the wrong problem, Paul. Splitting the
> CI-V bus is unlikely to cause "lost bits" but data collisions are. The
> problem can be caused if more than one device is active instead of
> passive. For example, the logging program should not poll the bus if the
> rig is in CI-V transceive (active) mode.
>
>    
>>>> Or the logging program should be designed to work correctly in the face
>>>>          
> of collisions.
>
>      73,
>
>          Dave, AA6YQ
>
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