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What does the field has value and name mean in IP-XACT?


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To make register model from IP-XACT usually we do the implement XML as I know.
I came across the example as below, But I didn't get the usage of value and name in the field.
You can see the K0, K1, K2 and K3 Also 0,1,2 and 3 are implemented under the field.

Could you guide me please If the field has value and name, how does it work? what is the purpose of them?

 

  <spirit:field>
            <spirit:name>frame_kind</spirit:name>
            <spirit:bitOffset>14</spirit:bitOffset>
            <spirit:bitWidth>2</spirit:bitWidth>
            <spirit:values>
              <spirit:value>0</spirit:value>
              <spirit:name>k0</spirit:name>
              <spirit:description>0</spirit:description>
            </spirit:values>
            <spirit:values>
              <spirit:value>1</spirit:value>
              <spirit:name>k1</spirit:name>
            </spirit:values>
            <spirit:values>
              <spirit:value>2</spirit:value>
              <spirit:name>k2</spirit:name>
            </spirit:values>
            <spirit:values>
              <spirit:value>3</spirit:value>
              <spirit:name>k3</spirit:name>
            </spirit:values>
            <spirit:vendorExtensions>
              <vendorExtensions:type>framek</vendorExtensions:type>
              <!--vendorExtensions:hdl_path>frame</vendorExtensions:hdl_path-->
            </spirit:vendorExtensions>
          </spirit:field>
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Hi,

Your XML fragment is not a valid IP-XACT XML fragment because it does not adhere to the XML schema. Assuming you use IEEE Std. 1685-2009, your XML fragment should be written as:

                    <spirit:field>
                        <spirit:name>frame_kind</spirit:name>
                        <spirit:bitOffset>14</spirit:bitOffset>
                        <spirit:bitWidth>2</spirit:bitWidth>
                        <spirit:enumeratedValues>
                            <spirit:enumeratedValue>
                                <spirit:name>k0</spirit:name>
                                <spirit:description>0</spirit:description>
                                <spirit:value>0</spirit:value>
                            </spirit:enumeratedValue>
                            <spirit:enumeratedValue>
                                <spirit:name>k1</spirit:name>
                                <spirit:value>1</spirit:value>
                            </spirit:enumeratedValue>
                            <spirit:enumeratedValue>
                                <spirit:name>k2</spirit:name>
                                <spirit:value>2</spirit:value>
                            </spirit:enumeratedValue>
                            <spirit:enumeratedValue>
                                <spirit:name>k3</spirit:name>
                                <spirit:value>3</spirit:value>
                            </spirit:enumeratedValue>
                        </spirit:enumeratedValues>
                        <spirit:vendorExtensions>
                            <vendorExtensions:type>framek</vendorExtensions:type>
                            <!--vendorExtensions:hdl_path>frame</vendorExtensions:hdl_path-->
                        </spirit:vendorExtensions>
                    </spirit:field>

The enumerated values are possible values of the field which have been given a name.

Best regards,
Erwin

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