how to access the variable value declared in constant block using get_param command.

how to access the variable value declared in constant block using get_param command.

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initially i declared value for a is 1 in work space.

normally i access the variable by following way,

get_param(gcb,'value')

for above command i got the following answer, ans= a

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but, i want to get the ans is 1

how to use get_param() command to access the value 'a' stored in workspace.

i attached the screen shot of that simulink model ----------------------------------------------------------------------------------

Answer 1

[stozaki]

Hello Ravi,

Did you solve this problem? Please try following script.

a = 1; % define the value of 'a'
blkValue = get_param(gcb,'Value'); % get the constatn value as Parameter.
value = evalin('base',blkValue); % evaluate value in the base workspace.

Regards,

stozaki

[Ravi]

Hello stozaki,

Thanks for your answer. Can you please tell me how to access Parameter defined in Model Workspace?

Kindly find the below image for more details,

1) Base Workspace

[stozaki]

Hello Ravi,

If you use model workspace, please try following script.

a = 1; % define the value of 'a'
blkValue = get_param(gcb,'Value'); % get the constatn value as Parameter.
mdlWks = get_param(gcs,'ModelWorkspace'); % get model workspace object
Prm = evalin(mdlWks,blkValue); % evaluate value in the base workspace.

If you use Simulink.Parameter, Please get the property of the value that was got last.

valueOfParameter = Prm.Value; 

Simulink.ModelWorkspace

evalin

Regards,

stozaki

[Ravi]

Thanks, It's working fine.