Nested buses in base workspace

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Oliver McEnteggart
Oliver McEnteggart 2012-7-23
I'm trying to define a nested bus structure in the base workspace of MatLab. However, I'm not sure how I should actually write the code for it. Here is my attempt.
% names={'Ep_struct_Ex000_struct'}; %Define names of signals in this bus element
clear elems;
clear numElems;
for i=1
elems(i) = Simulink.StructElement;
elems(i).Name = char(names(i));
elems(i).Dimensions = 1;
elems(i).DataType = 'double';
elems(i).SampleTime = -1;
elems(i).Complexity = 'real';
elems(i).SamplingMode = 'Sample based';
names1={'Ex000_enum'...
,'E1000_DEF'...
,'E3000_DEF'...
,'E10k30A_DEF'...
,'E10k40A_DEF'...
,'E10k50A_DEF'...
,'E10kRot135degFS_DEF'...
,'E10kRot16turnFS_DEF'}; %Define names of signals in this bus element
clear elems1;
clear numElems1;
numElems1 = length(names1)
for i=1:numElems1
elems1(i) = Simulink.BusElement;
elems1(i).Name = char(names1(i));
elems1(i).Dimensions = 1;
elems1(i).DataType = 'double';
elems1(i).SampleTime = -1;
elems1(i).Complexity = 'real';
elems1(i).SamplingMode = 'Sample based';
end
elems(1)=Simulink.StructElement;
elems(1).Elements=elems1;
end
Ep_struct=Simulink.Bus; %Define bus
Ep_struct.Elements=elems; %Define whats in this bus
This code is meant to produce a Bus, Ep_struct which contains one elementEp_struct_Ex000_struct which itself is a bus which contains the elements, Ex000_enum...................E10kTor16turnFS_DEF.
The real structure I am trying to code is a lot more complicated than this but if I work out how to program 1 nested bus I should be able to do as many as I need.
So what is wrong with my code?

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回答（1 个）

Kaustubha Govind
Kaustubha Govind 2012-8-10
编辑：Kaustubha Govind 2012-8-10
I think you just need to make the DataType field of the element that is another bus equal to something like 'Bus: elementEp_struct_Ex000_struct'. For example, a simpler version:
bus1 = Simulink.Bus;
el11 = Simulink.BusElement;
el11.Name = 'myel11';
el12 = Simulink.BusElement;
el12.Name = 'myel12';
bus1.Elements = [el11 el12];
bus2 = Simulink.Bus;
el21 = Simulink.BusElement;
el21.Name = 'myel21';
el21.DataType = 'Bus: bus1';
el22 = Simulink.BusElement;
el22.Name = 'myel22';
bus2.Elements = [el21 el22];
The resultant structure should be:
struct bus1 {
double myel11;
double myel12;
};
struct bus2 {
bus1 myel21;
double myel22;
};

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