On Sep 2 14:40, Duo jia wrote: > HI, > I has two QOM model，A and B， When A‘s register changed，B’s register will > should also be change . > > I dont konw how to change B's reg in A device .
There are a couple of ways you can "plumb" devices and objects together. For devices you can use a qdev bus if you have a strict parent/child relationship between A and B. Or you can use a "link" property to manually wire up the devices/objects. Or use can use object composition (device A creates a child object B). But I think it depends a lot on what you are actually modeling and you are not sharing a lot of information on that ;)
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