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How to cast or interpret a negative integer number to an unsigned integer in dataminer xml protocol

241 views1st April 2025element.xml protocol development
2
Miao Miao354 1st April 2025 0 Comments

Hi:

I have a parameter in my dataminer xml protocol.

The parameter using SNMP GET to get a value.

The value SNMP get from the device is a negative integer value (e.g. -27341 which the binary is 1110101011001101).

But I want to present this negative integer value as an UNSIGNED integer in element page.

In above case, i would like to present value 60109 (binary 1110101011001101) instead of -27341.

currently i am using:

<RawType>numeric text</RawType>
<LengthType>next param</LengthType>
<Type>double</Type>

in the <interprete>

I tried

<RawType>numeric text</RawType>
<LengthType>next param</LengthType>
<Type>unsigned integer</Type>

and

<RawType>unsigned integer</RawType>
<LengthType>next param</LengthType>
<Type>unsigned integer</Type>

Both seems not working.

Anyway we can present this negative integer value as an UNSIGNED integer in element page?

Thanks

João Severino [SLC] [DevOps Catalyst] Answered question 1st April 2025

1 Answer

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João Severino [SLC] [DevOps Catalyst]13.23K Posted 1st April 2025 0 Comments

Hi,

Not sure if a typo on your question, but for RawType it should be unsigned number| DataMiner Docs

Could you try with the following?

<RawType>unsigned number</RawType>
<LengthType>fixed</LengthType>
<Length>4</Length>
<Type>double</Type>

The 4 above can be adjusted to 2 if you know the number will only have 2 bytes (or adjusted accordingly to the size of the number)

João Severino [SLC] [DevOps Catalyst] Edited answer 1st April 2025
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