Valkyrie Knowledge Base

Transceiver Registers Port Properties

This section only applies to ports that support direct access to their transceiver through a well-defined register interface such as the MII register interface. For these ports, an additional sub-panel named Transceiver Registers will appear in the main Resource Properties tab as shown in the image below.

This function is mainly provided for debugging purposes and will normally not be required for ordinary test usage.


General Functionality

The Transceiver Register panel provides access to the register interface supported by the port transceiver. It is possible to both read and write register values.

All supported registers for a transceiver may be shown in a table as shown above.

All registers for a given transceiver type is typically organized in sets called pages. Each register within a given page is then identified by an address.


Reading Register Values

The register values may be read manually by pressing the Refresh Values in the panel toolbar. The panel can also refresh the values periodically if the Auto-Refresh option is enabled.

The field values will primarily be displayed using the selected field display type (hex, decimal or binary) but it will also be displayed as ASCII characters for convenience.


Writing Register Values

The register values may also be changed by the user by changing the value in the Register Value column. The new value is applied when the key is pressed.

It is not possible to change the ASCII character value directly.

Register Definitions

Each set of supported register fields for a given tranceiver type is defined in a separate file with extension .xtreg. The data definition is formatted using JSON notation.

You can load a register definition file by pressing the Load button ion the toolbar. If the Auto-Load Last option is selected then the last loaded definition will automatically be loaded the next time XenaManager-2G is started.


Built-in Register Definitions

The XenaManager-2G is shipped with a set of commonly used register definitions, such as the MII register set mentioned above. These files will be kept in the C:UsersDocumentsXenaXenaManager-2GTcvrDefs directory.


Creating or Modifying Definitions

It is also possible to modify the built-in register definitions or create your own from scratch.

To create a new definition you should press the New button in the toolbar. You can also change an existing definition by loading it and saving it under a new name.


Changing Display Options

The top subpanel called Field Definition Control defines the overall handling of all register fields in the definition. You can change the display type (hex or decimal) of both address and page number fields. You can also change the bit width (16 or 32 bit) of the register addresses.


Adding or Removing Fields

You can add a new register field by pressing the area at the bottom of the field definition table labeled Click here to add a new item. The new item will be added to the bottom of the table.

You can reorder the field by using the up- and down-arrows in the Commands column.

To remove a field press the Delete icon in the Commands column.

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