Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Ports under symbol properties not editable

I'm trying to do what I think should be a simple tast and just change the port settings under a symbol. Basically I insert something like an OR gate and try to add or remove the number of ports and it won't let me. Nor will it allow me to click inside any of the field to make a basic change like inverting the input. As a work around I tried to create my own BSF but didn't have a clue how to do anything with that editor and it seems like an overly complicated solution anyway. Thoughts or opinions?

4 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    13 years ago

    the basic gates in the graphics design have no parameters. They are explicit - an AND2 has 2 inputs, AND3 has 3 etc. You have to delete the old block and add the new one from the library.

    And no, you cannot modify the BSFs for the basic blocks.

    Have you thought about using an HDL?
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    13 years ago

    The first suggestion would be alright if they had what I'm looking for: 7 input OR gate. I'm not sure what an HDL is.

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    13 years ago

    I looked up what the HDL is but I'm not real sure how to implement it even though the programming seems rather simple.

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    13 years ago

    a 7 input or gate would just be a 3 input and 4 input or gate with their outputs ORed together.