Re: [myhdl-list] dff

[Amway I. <i....@ya...>]

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?



--- On Fri, 10/7/09, Jan Decaluwe <ja...@ja...> wrote:

From: Jan Decaluwe <ja...@ja...>
Subject: Re: [myhdl-list] dff
To: myh...@li...
Date: Friday, 10 July, 2009, 7:42 PM

Amway India wrote:
> Hello  Everybody
>  
> To day  tried to run dff model from myhdl documentation and it is giving 
> some errors which are enclosed.  I wrote two files 1.dff.py  and 2. 
> test_dff.py:
>  
> dff.py
> from myhdl import *
> def dff(q, d, clk):
> @always(clk.posedge)
> def logic():
> q.next = d
> return logic
>  
> test_dff.py
> 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)
>  
> When i run
> $python test_dff.py gives
> traceSignal not defined
>  
> What is the reason?

traceSignal is indeed not defined in package myhdl.
traceSignals should be.


-- 
Jan Decaluwe - Resources bvba - http://www.jandecaluwe.com
    Python as a HDL: http://www.myhdl.org
    VHDL development, the modern way: http://www.sigasi.com
    Analog design automation: http://www.mephisto-da.com
    World-class digital design: http://www.easics.com


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