On Wed, Aug 25, 2010 at 10:08:22AM -0300, John Li wrote: > Hi! > > I have many source blocks with different kinds of signal generator and I > want to create a configurable unique block. > > Can I make a source block with multiple outputs each one with a different > rate? > > Thank you, > John
Yes you can in 3.3.* Your block will need to derive from gr_block, and in general_work you must call produce for each output streams, and general_work must return WORK_CALLED_PRODUCE as it's value. >From gr_block.h: //! Magic return values from general_work enum { WORK_CALLED_PRODUCE = -2, WORK_DONE = -1 }; ... /*! * \brief Tell the scheduler \p how_many_items were produced on output stream \p which_output. * * If the block's general_work method calls produce, \p general_work must return WORK_CALLED_PRODUCE. */ void produce (int which_output, int how_many_items); Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio