Get signal name at inport of subsystem
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Hi,
I would like a subsystem to know the name of its input so that it can be used for a custom logging solution. I expect a callback on the subsystem which defines a variable could be one way to realize it. I just can't figure out how the callback should obtain the name.
Here is an illustration from the top level:
And how I would get the value from the callback.
Do you have any ideas how the callback would look?
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Accepted Answer
Fangjun Jiang
on 20 May 2019
The first case truely has the signal name. You can get it like below. In second case, you need to get the name of the Constant.
ph=get_param(SysBlockPath,'PortHandles');
sp=ph.Inport(1);
SignalName=get(sp,'Name');
5 Comments
Fangjun Jiang
on 19 Nov 2019
You are right. This could be a workaround for both cases, assuming the lines are connected and labeled.
LineHandles=get_param(SysBlockPath,'LineHandles');
hLine=LineHandles.Inport(1)
SrcPortHandle=get(hLine,'SrcPortHandle');
if isequal('on',get(SrcPortHandle,'SignalPropagation'))
signal=get(SrcPortHandle,'PropagatedSignals')
else
signal=get(SrcPortHandle,'Name')
end
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