Re: "No conversion between src & dest" warning with pcaspy

[Andrew Johnson <anj@aps.anl.gov>]

On 03/03/2015 11:04 AM, Kasemir, Kay wrote:
> Until the PV is initialized, I get the same 
>  
>   No conversion between src & dest types no conversion between event
>   app type=16 and DBR type=18 Element count=60
> 
> error.

The implication is that pcaspy is presenting an uninitialized channel's
value to the cas as some type which gdd can't convert into to an array
of chars. The answer may be as simple as always initializing the value
of a string channel to be an empty string.

- Andrew
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