How to convert a struct into a bus

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Nicolò Binda
Nicolò Binda 2020 年 4 月 22 日
コメント済み: Nicolò Binda 2020 年 4 月 27 日
I need to create a bus for simulink, and to avoid to do it manually i generated a struct usingi different for cycles
Now i have a struct that conains simple values and other struct.
Now i need to trasform this struct into a bus object but i really can't find how
I find a lot of solution on matlab like:
struct2bus and others like Simulink.Bus.cellToObject(busCell) without any luck
or also this one:


Daniel Luder
Daniel Luder 2020 年 4 月 22 日
For your problem use the following lines:
% Create Model Struct = 1;
car.engine.pistons.compression_ring.maintenance_time = 2;
car.engine.pistons.compression_ring.maintenance_cost = 3;
car.engine.pistons.oil_control_ring = 4;
car.engine.bearings = 5;
car.body.door = 6;
% Create Estimation Data Bus for Simulink Model
car_bus_info = Simulink.Bus.createObject(car);
car_bus = evalin('base', car_bus_info.busName);
In Simulink use a constant block and define the constant value as car. Under Signal Attributes --> Output data dype define Bus: car_bus.
I hope that solves your problem
  9 件のコメント
Nicolò Binda
Nicolò Binda 2020 年 4 月 27 日
Yes the problem is that the bus does not contain any data, i need to copy all the data contained in the struct into the bus as soon as the entity is generated
i partially solved this problem implementing the code i used to generate the struct with data into "event actions" changing it a little bit to adapt to simulink, so i need to declare the variable in the matlab workspace and the code load the different values into the bus, but is a little bit confusing in my view, this is why i'm still searching a way to copy all the struct value into the bus
thank for your help Daniel


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