Hi Y, > I set noutput_items to 512 no, noutput_items is the maximum number you're *allowed* to produce, it doesn't change anything if you set it to anything. You just return the number of items you've produced at the end of your work (or general_work) function. Make sure to not write more items than noutput_items allows you to do!
If you're returning 512, this tells the scheduler you've produced 512 *items* -- I don't know what your block's output signature looks like, but an item has the size of 2x 16bit, it's right. Best regards, Marcus On 05/09/2015 06:42 AM, Yile Ku wrote: > My source modules has 16-bit I & Q samples that are interleaved: > I,Q,I,Q,I,Q... as signed 16 bit values. I generate 512 pairs at a > time in my work function (C++). I set noutput_items to 512 and copy > I and Q out 512 times to the output_items variable in the work > function. Is this the correct format of data that subsequent modules > can expect? I use the IShort_to_Complex module to convert the > samples for subsequent modules. > > Thanks, > Y- > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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