Verilog-A issue

Tue Sep 21, 2010 3:01 pm   

Dear all,

I am getting an error while compiling the following piece of code:

V(vout) <+ laplace_zp(gain*vin_val, {zero,0}, {-pole_1,0,-pole_2,0});

The error is:

Error found by spectre during AHDL compile.
ERROR (VACOMP-1166): "V(vout) <+ laplace_zp(gain*vin_val, {zero,
0},
{-pole_1,0,-pole_2,0})<<--? ;"
"/home/samiran/my_lib/test/veriloga/veriloga.va",
line 60: Argument #3 must be an array variable or a constant
array
expression. It cannot be an array expression containing non-
constant
expressions. If you need the argument to be variable, use an
array
variable instead.


Please help!

BR
Samiran

Sun Sep 26, 2010 4:02 pm   

Samiran wrote, on 09/21/10 13:01:

Samiran,

You have to do what it says. Create an array variable and populate that with the
coefficients you want, and then pass the array to the laplace_zp function.

If you want to see an example, look in rfLib, in BB_chebyshev_lp_laplace
veriloga view.

Regards,

Andrew.