How to pass mask parameters to the an underlying S-Function in Simulink?

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James Floyd
James Floyd 2022-8-9
回答： Aiswarya 2023-10-18
I'm trying to create an animation based on the built-in 'saeroanim' 6DoF Animation block in Simulink for R2020a. I'm using a mask to pass defined parameters to the modified S-Function block (I'm implementing a moving target), but I get this error message:
For S-function 'saeroanim_movingtarget', the number of defined parameters, 0, does not match the number of parameters on the dialog of 'Config_3_Missile/6DoF Animation Moving Target/Animation S-Function', 1. These two values must be identical.
In the initialization tab, I have this:
s_funcConfig.axes = axes;
s_funcConfig.update = update;
s_funcConfig.missile = missile;
s_funcConfig.target = target;
s_funcConfig.camera_pos = camera_pos;
s_funcConfig.view = view;
s_funcConfig.Animenable = animenable;
s_funcConfig.Model = bdroot(gcb);
"s_funcConfig" is the struct that I want to define for the S-Function inside the mask. Why is the mask not defining s_funcConfig as a "defined parameter" and then passing it to the dialog of the internal S-Function?
Some pictures:
Mask Edit Window
Internal portion of the mask
Underlying S-Function parameters dialog box

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回答（1 个）

Aiswarya
Aiswarya 2023-10-18
Hi,
The error you are getting indicates that the number of parameters in the compiled S-function is different than the number of parameters in the block dialog box. This means you have not defined any parameters in the S-function code but the dialog has a parameter s_funcConfig . The mask is not responsible to define a parameter for the S-function. You may need to check the S-function code and make sure you have defined that parameter. Refer to this link on more information on setting parameters for S-function:
https://www.mathworks.com/help/simulink/sfg/dialog-parameters-cpp.html#brh98lb

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