anindya.hazra Posted September 2, 2016 Report Share Posted September 2, 2016 Hi, I have three modules A,B and C. I want to integrate these three modules inside TOP module constructor. Now module A has one port sc_out<<sc_uint<2> > out; module B has one port sc_out<<sc_uint<2> > out; module C has one port sc_in<<sc_uint<4> > in; Now inside TOP constructor I have instantiated all these three modules A,B and C. And during connection I am doing following- A_inst->out(out1); B_inst->out(out2); C_inst->in((out2,out1)); out1 and out2 both are sc_signal<sc_uint<2> > ; This is throwing error that concatenation at ports not possible. Is it I am doing something wrong? How to perform these port concatenation directly inside constructor without introducing separate SC_METHOD for that? Regards, Anindya Quote Link to comment Share on other sites More sharing options...
apfitch Posted September 3, 2016 Report Share Posted September 3, 2016 You can't concatenate ports like that - the concatenation operator is not defined for ports, it's defined for data types such as sc_uint, sc_bv, sc_lv. The best solution is probably (as you hint) to introduce a separate SC_METHOD. If you don't want to use a separate SC_METHOD, you might be able to do what you want using sc_vector - good luck! Alan Quote Link to comment Share on other sites More sharing options...
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