Re: [Discuss-gnuradio] loopback dropping final bits

[Greg Troxel]

Eric Blossom <address@hidden> writes:

> On Wed, Mar 28, 2007 at 09:39:14PM -0700, Dan Halperin wrote:
>> Same loopback code I emailed about earlier; this time I attached the 
>> complete file (modulo some cleanup).
>> 
>> Here's my input file (in stupid x86 short ordering..):
>> 
>>    $ hexdump input.txt
>>    0000000 bbaa ddcc ffee 1100 3322 5544 7766 9988
>> 
>> and then after going through loopback.py and being packed back to bytes:
>> 
>>    $ hexdump output.txt
>>    0000000 bbaa ddcc ffee 1100 3322 5544 7766 8088
>> 
>
> Regarding losing the last few symbols, try
>
>   ...
>   graph.wait()
>   time.sleep(1)

I wonder if there is data somewhere in the flowgraph that's less than
the amount needed for the next block to run.   Perhaps there should
be some sort of drain operation, or query for this (that adds over
components), so one can find out what's going on.