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The entity "i2c_controller" is probably defined in a different file. Try to look up for the file that defines it, and check that it is included in your Quartus project. If not, include it.
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Daixiwen, i already put all the file that was uploaded by mbharat in one folder and include the entire file in my Quartus project. But when i compiled it, still have the same error: [Error: Node instance "i2cController" instantiates undefined entity "i2c_controller"]. When i click the error message, it show the error is at this command line: i2cController : i2c_controller port map (i2cClock20KHz,scl,sda,i2cControllerData,reset,i2cRun,done,'0',ack);
FYI, I used De2 Altera, Cyclone II, device EP2C35F672C6. Daixiwen , mbharat and anyone here please help me. I'm really new for this software and I don't know anything about VHDL Quartus II, I just try my best to complete the task given by lecturer. I'm really sorry for disturbing all of you here. But I really need help to complete my project. Really pls help me.
Honored Contributor
