Re: [Discuss-gnuradio] usrp_nbfm_ptt.py Error: __init__() takes exactly 4 arguments (6 given)

[Ben Reynwar]

I'm pretty sure this will fix it.

replace line 372:

    def __init__(self, args, gain, audio_output):

with

    def __init__(self, args, spec, antenna, gain, audio_output):

On Fri, Mar 23, 2012 at 1:23 PM, Ben Reynwar <address@hidden> wrote:
> On Fri, Mar 23, 2012 at 11:30 AM, mario behn <address@hidden> wrote:
>> On Fri, Mar 23, 2012 at 5:50 PM, Ben Reynwar <address@hidden> wrote:
>>> That sounds like the example is out-of-date.  It's calling some
>>> function that expects a different number of arguments than it is
>>> giving it.  If you included the entire error output then we could
>>> better see what the problem was (i.e. which function is raising this
>>> error).
>>>
>>> Cheers,
>>> Ben
>>
>> Hi Ben,
>>
>> thank you for your answer. I agree, here is the total text of the
>> error, eric4 gives me:
>>
>> The debugged program raised the exception unhandled TypeError
>> "__init__() takes exactly 4 arguments (6 given)"
>> File: /home/usrp1/USRP/gnuradio/gr-uhd/examples/usrp_nbfm_ptt.py, Line: 81
>>
>> and highlights line 81 correspondingly:
>>
>> 76     self.txpath = transmit_path(options.args, options.spec,
>> 77                                    options.antenna, options.tx_gain,
>> 78                                    options.audio_input)
>> 79     self.rxpath = receive_path(options.args, options.spec,
>> 80                                   options.antenna, options.rx_gain,
>> 81                                   options.audio_output)
>> 82      self.connect(self.txpath)
>> 83      self.connect(self.rxpath)
>>
>> and it is actually the file available here:
>>
>> http://gnuradio.org/redmine/projects/gnuradio/repository/revisions/v3.5.3git/changes/gr-uhd/examples/usrp_nbfm_ptt.py
>>
>> Is there any quick fix I can apply?
>>
>> Cheers
>>
>> Mario Behn
>
> Yep, there is an error in that file.  The receive_path defined on line
> 371 isn't compatible with the call to receive_path on line 79.
> Perhaps try removing options.spec and options.antenna from the call,
> but I'm just guessing, I haven't used this example before.