Callback Functions for Custom Reference Design doesn't work

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Hello,
Define Custom Parameters and Callback Functions for Custom Reference Design described at link https://it.mathworks.com/help/hdlcoder/ug/define-custom-reference-design-with-custom-parameters-and-callback-functions.html works well only if the path has only one package folder (e.g. .../+my_ref_design/callback_CustomizeReferenceDesign.m)
function hRD = plugin_rd()
% ....
hRD.addParameter( ...
'ParameterID', 'param', ...
'DisplayName', 'DispName', ...
'DefaultValue', 'On', ...
'ParameterType', hdlcoder.ParameterType.Dropdown, ...
'Choice', {'On','Off'});
hRD.CustomizeReferenceDesignFcn =@my_ref_design.callback_CustomizeReferenceDesign;
end
if the board path is .../+my_board/+my_ref_design/ callback_CustomizeReferenceDesign.m
and
function hRD = plugin_rd()
% ....
hRD.addParameter( ...
'ParameterID', 'param', ...
'DisplayName', 'DispName', ...
'DefaultValue', 'On', ...
'ParameterType', hdlcoder.ParameterType.Dropdown, ...
'Choice', {'On','Off'});
hRD.CustomizeReferenceDesignFcn =@my_board.my_ref_design.callback_CustomizeReferenceDesign;
end
the hdl workflow advisor (1.1. Set Target Device and Synthesis Tool in) gives the following error
Warning: Invalid plugin "MyBoardRegistration.Vivado2021_2.plugin_rd" is detected with error message "Function
callback_CustomizeReferenceDesign does not exist.".
> In hdlturnkey.plugin/PluginListBase/reportInvalidPlugin
In hdlturnkey.plugin/ReferenceDesignList/buildRDList
In hdlturnkey.ip/IPDriver/initIPPlatform
In downstream.DownstreamIntegrationDriver/loadIPPlatform
In downstream.DownstreamIntegrationDriver/initBoard
In downstream.DownstreamIntegrationDriver/setBoardName
In downstream.DownstreamIntegrationDriver/setOptionValue
In downstream.DownstreamIntegrationDriver/set
In paramTargetDevice
In ModelAdvisor.Node/handleCheckEvent
surely the error is here
hRD.CustomizeReferenceDesignFcn =@my_board.my_ref_design.callback_CustomizeReferenceDesign;
but I don't know the right syntax

Accepted Answer

Wang Chen
Wang Chen on 25 Aug 2022
Hi borzack,
As you commented, this is likely caused by that MATLAB cannot find my_board.my_ref_design.callback_CustomizeReferenceDesign on MATLAB search path. rehash toolbox will refresh MATLAB search path and fix this issue.
Your syntax on the callback function specification is correct.
Thanks,
Wang

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