Re: [myhdl-list] dff

[Jan D. <ja...@ja...>]

Amway India wrote:
> Hello
> 
> test_dff.py is once again enclosed
> 
> from random import randrange
> 
> def test_dff():
>         q, d, clk = [Signal(bool(0)) for i in range(3)]
> 
>         dff_inst = dff(q,d,clk)
> 
>         @always (delay (10))
>         def clkgen():
>                 clk.next = not clk
> 
>         @always (clk.negedge)
>         def stimulus ():
>                 d.next = randrange(2)
> 
>         return dff_inst, clkgen, stimulus
> 
> 
> def simulate (timesteps):
>         tb = traceSignals(test_dff)
>         sim = Simulation(tb)
>         sim.run(timesteps)
> 
> simulate(2000)
> **********************************************
> The Above is the test_dff.py code.
> The following is the run result
> **********************************************
> [vimal@vlsiworkgroup cordichdl]$ python test_dff.py
> Traceback (most recent call last):
>   File "test_dff.py", line 24, in <module>
>     simulate(2000)
>   File "test_dff.py", line 20, in simulate
>     tb = traceSignals(test_dff)
> NameError: global name 'traceSignals' is not defined
> ***************************************************
> 
> I hope i used traceSignals. Where is the wrong?

The error is what is says: traceSignals is not defined.
Import it from package myhdl, or use 'from myhdl import *'
to import all identifiers from myhdl.

You may want to check how identifier definition and
imports work in python in general.

Jan

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