Re: [myhdl-list] 0.8 Type mismatch in enum item comparison

[Christopher F. <chr...@gm...>]

On 5/31/12 10:07 AM, Jan Coombs wrote:
> On 31/05/12 14:26, Christopher Felton wrote:
>> On 5/31/2012 8:10 AM, Jan Coombs wrote:
>>> $ ./testSdp3o4.py
>>> Traceback (most recent call last):
>>>       File "./testSdp3o4.py", line 41, in<module>
>>>         simulate(240)
>>>       File "./testSdp3o4.py", line 37, in simulate
>>>         tb = traceSignals(testSdp3o4)
>>>       File
>>> "/home/jan/work/projects/MyHDL/myhdl/myhdl/_traceSignals.py", line
>>> 89, in __call__
>>>         _writeVcdSigs(vcdfile, h.hierarchy)
>>>       File
>>> "/home/jan/work/projects/MyHDL/myhdl/myhdl/_traceSignals.py", line
>>> 146, in _writeVcdSigs
>>>         if s._val == None:
>>>       File "/home/jan/work/projects/MyHDL/myhdl/myhdl/_enum.py", line
>>> 117, in __eq__
>>>         raise TypeError("Type mismatch in enum item comparison")
>>> TypeError: Type mismatch in enum item comparison
>>>
>>> No problem with 0.7. Should I try to track it down?
>>>
>>> Jan Coombs
>>
>> No might be important for you design!  Jan D. added
>> some nice features to help debug the use of enums
>> (could be your case).  Hopefully, 0.8 is flagging
>> (throwing an exception) for incorrect use of an e
>> num, where 0.7 will not.
>>
>> You might want to try and run the test without
>> traceSignals and you may get more information.
>
> It has taken me a long time to change the test code, but am now
> running without and with traceSignals.  Surprisingly I did not get
> more information; without traceSignals there is no error.
>
> So the error only appears with latest 0.8 when producing trace.
>
> Jan Coombs.

I sometimes like my testbenches to have three sim
modes selectable

   if simType == 'trace':
      dut = traceSignals(ModuleToTest, ...)
   elif simType == 'cosim':
      dut = CoSimulation(ModuleToTest, ...)
   else
     dut = ModuleToTest(..., )


Regards,
Chris