Re: [Discuss-gnuradio] stop/start is not called in gr.basic_block

[Miklos Maroti]

Hi Bastian,

Thanks that solved the issue. I was not aware of that.

Best,
Miklos



On Thu, Oct 5, 2017 at 2:29 AM, Bastian Bloessl <address@hidden> wrote:
> Hi,
>
> On 10/05/2017 03:13 AM, Miklos Maroti wrote:
>>
>> I am trying to implement a simple block in python but it seems that
>> stop and start is never called when I implement them. The bare bones
>> python code would be this:
>>
>> class test(gr.basic_class):
>>      def __init__(self):
>>          gr.basic_block.__init__(self, name="test", in_sig=None,
>> out_sig=None)
>>
>>      def start(self):
>>          print "never called"
>>          return gr.basic_block.start(self)
>>
>> The same works in C++. I could not find any example that implements
>> start/stp in python, but looking at the docs for gr.basic_block it
>> should work. Any ideas?
>
>
> AFAIK, if the block is not connected to any other block, it is not handled
> by the flow graph/scheduler.
> If you don't actually have a use-case for a completely separate block, you
> could try adding a stream or message port an connect it.
>
> Best,
> Bastian