Thanks, that worked. :) Am 17.01.2018 um 23:20 schrieb Sakthivel Velumani: > Hi Markus, > > A better way is to specify the amount of data you need for the > processing in the forecast function. By doing so, the GNU Radio > scheduler will guarantee the sufficient amount of input data and hence > you can remove the return 0 from the work function. > > Best, > Sakthivel > > On Wed, Jan 17, 2018 at 3:20 PM, Markus Wirsing > <markus.wirs...@uni-ulm.de <mailto:markus.wirs...@uni-ulm.de>> wrote: > > Hello, > > I have the following problem: > > I wrote a block that does some processing and needs to look ahead in the > data for a certain amount. > Therefore the work function of the sync_block will return 0 if the > current amount of data is insufficient. > > This works fine if the program is running infinitely. > However, when using a head block and running to completion, > it can occur that there is no more data available, which leads to the > scheduler infinitely trying again to call the work function, which then > returns 0. > Can this be detected by the block, so that the block can empty the input > buffer and the program can complete? > > Or is there another good way to solve this problem? > I feel like this should be a common problem, but I haven't found a good > solution. > > Thank you in advance for any hints on how to solve this. > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> > >
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