Experimental Physics and
Industrial Control System

Hello, Marty,

thank you for wanting to take care of this.

A question on the side:
Is there a reason why you can't call also int's and long's directly?

There is no
getInt, putInt, getLong, putLong, getIntArray, putIntArray, getLongArray, putLongArray etc.

Or did I miss something?

Danke, Heinz


> On 30. Nov 2019, at 16:58, Marty Kraimer via Tech-talk <[email protected]> wrote:
> 
> You are correct that the code for puts only works on a top level field named  value.
> 
> A new issue has been created.
>> https://github.com/epics-base/pvaClientCPP/issues/63
> 
> Marty
> 
> On 11/28/19 11:12 AM, Heinz Junkes via Tech-talk wrote:
>> According the documentation to Release 4.5.0 :
>> 
>> Changes have been made for getDouble, putDouble, getDoubleArray, putDoubleArray, getString, putString, getStringArray, and putStringArray.
>> 
>> 1) Previously each only had support for a top level field named value. Each now allows access to a single sub field that has the correct type. Thus pvRequest must select a single field. For example
>> 
>>     pva->channel("PVRdumbPowerSupply")->putDouble(1.0,"power.value" );
>> 
>> 
>> I try to access a double array  but with no success:
>> 
>>     string channelName("CRYVISIL:STM:FASTSCAN:IMAGE_CHUNK");
>>     string providerName("pva");
>>     PvaClientPtr pva = PvaClient::get(providerName);
>> 
>>        pva->channel(channelName, providerName, 1.0)->putDoubleArray(freeze(valx), "value.column0");
>> 
>> error message:
>> 2019/11/28 10:06:17.754 sis0: void Sis3316Port::updateTask(): PvaClientData::putDoubleArray() did not find a scalarArray field
>> 
>> Command line works:
>> 
>> [junkes@h epics]$ pvget -r "value.column0" CRYVISIL:STM:FASTSCAN:IMAGE_CHUNK
>> CRYVISIL:STM:FASTSCAN:IMAGE_CHUNK structure
>>     structure value
>>         double[] column0 []
>> 
>> How can I address the DoubleArray?
>> 
>> Danke Heinz
>> 
> 

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Re: pvaClientCPP Release 4.5.0 access to a single sub field that has the correct type Marty Kraimer via Tech-talk

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pvaClientCPP Release 4.5.0 access to a single sub field that has the correct type Heinz Junkes via Tech-talk

Re: pvaClientCPP Release 4.5.0 access to a single sub field that has the correct type Marty Kraimer via Tech-talk

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