How do I programmatically manipulate a Bus Selector in a masked subsystem?
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Hello, I want to connect a virtual bus to a masked subsystem, and have the number of outports and mask display names match the number of signals in the input bus, along with their corresponding names. Essentially, it will be a fancy enclosed Bus Selector that works automatically. The purpose for this is to simulate the functionality of a hardware-interface CANbus send message block.
I can already implement the opposite feature, where the number of inports and size of Bus Creator is set via mask dialog, inport-to-busCreator lines are programmatically connected, and the signal names are displayed on the mask when they are connected. I used get(Porthandles) to read the signal names, and find_system / set_param to set the bus creator inputs. However, a similar approach does not appear to work for me for the bus selector/outport case.
My questions are specifically:
1. I can get the Bus Selector parameters with find_system. However, the InputSignals parameter is always '[]', and the Outputsignals parameter is always the names of the signals that I last included manually. Why is this - am I missing something here?
2. I can use get(gcbh,'PortHandles') and look at the line coming out of the Inport, but again, the name is always blank, even if I make a dummy bus and directly name it before going into the subsystem. Why?
3. If I am on the wrong track, how should I be approaching this problem?
I will try to put together a minimum working example for both cases if I get a chance.
Thanks!
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