Constant Blocks Value Change under mask

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Hello,
I developed a Simulink model with lots of inputs. The model is working perfectly, however I want to make it more useful. I masked my constant blocks (12 constant blocks) and I made sliding buttons, radio buttons etc. Now I cannot change the values of constant blocks. I can move sliders and dials but they are not effect the value. I promoted their constant values but still I cannot change it. Is there anyone can help me ?
Kind regards,
Ege
  2 个评论
Sanman
Sanman 2021-6-7
Hi Ege,
Would you mind sharing your model?
Regards,
Sanman
Ege Can Koçak
Ege Can Koçak 2021-6-8
Hello Sanman,
Unfortunately I cannot share the model but I can briefly explain it to you. Actually it is a simple change in the model;
I have lots of constant blocks to give the model input values. I masked them together in order to make it more user friendly. I add some sliders, dials etc. to give input values before start the model. Now the sliders and dials does not change the value of the constant blocks.
Should I use any alternative for constant blocks or what can I do to change constant block's values with mask ?
Best regards,
Ege

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回答(1 个)

Tejas
Tejas 2024-2-16
Hello Ege,
To modify the values of Constant blocks through a mask, you should begin by defining parameters that correspond to each block within the Mask Editor.
After setting up these parameters, you'll need to create a mask initialization callback. Within this callback, you can employ the 'set_paramfunction to update the values of the Constant blocks to your desired figures.
Here is a screenshot for your reference, showcasing the corresponding parameters for the constant block.
In the code section of Mask editor, create a Mask Initialization callback , and enter the following code :
function MaskInitialization(maskInitContext)
set_param( [gcb '/Constant_1'], 'Value', 'Val_const1');
set_param( [gcb '/Constant_2'], 'Value', 'Val_const2');
set_param( [gcb '/Constant_3'], 'Value', 'Val_const3');
end
Here “Constant_1”, “Constant_2”, “Constant_3” are the labels assigned to constant blocks in Simulink model.
Hope this helps!

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