Forum Discussion

BSuma's avatar
BSuma
Icon for New Contributor rankNew Contributor
5 years ago

localparam and parameter values in Synthesis report

I am writing a parameterized Verilog module. In the module I calculate some localparam values using the parameter valued passed. Please seed the code below for example. I want to know the values cal...
ShengN_altera's avatar
ShengN_altera
Icon for Super Contributor rankSuper Contributor
1 month ago

Only parameter will show in report. Yes, you can change localparams to parameters. If you want to use both localparam and parameter, you can use mix approach by specifying localparam equal to the parameter.

cblixt1's avatar
cblixt1
Icon for Occasional Contributor rankOccasional Contributor
1 month ago

Well, take it as a suggestion for improvement then.

Using localparam instead of parameter is a way to protect constants from inadvertently being modified by instantiation, so assigning them from parameters is pointless. I tried to temporarily change localparams to parameters and that works, but it is of course tedious.

Also the display in Parameter Settings by Entity Instance is not the best, with some parameters (for some reason) being of the type unsigned binary being displayed in binary rather than decimal or hexadecimal.

  • ShengN_altera's avatar
    ShengN_altera
    Icon for Super Contributor rankSuper Contributor
    1 month ago

    Sure, I had filed an enhancement ticket for the request