This is likely the same issue as https://github.com/gnuradio/gnuradio/issues/6045
On Mon, Sep 12, 2022 at 11:49 PM Grace Yeung <gr...@nwra.com> wrote: > Hi, > > I have the following major hier-block parameter-passing problem using GRC > version 3.8.5.0 (and not an earlier version). Not sure if anyone has > experienced this. > > Scenario > I have a hier block that uses as a parameter the input vector length, > block_size, the value of which is set in the main flowgraph and is passed > into the hier block. > > > > > > * When does error occur? Error occurs whenever the value of block_size set > in the main flowgraph does not match the value of the corresponding > parameter initialized in the hier block. This is not an issue with any of > the other parameters passed into the hier block. What is the error? The > block following the hier block is expecting an input vector of > length block_size as set in the main flowgraph, but the flowgraph error > message claims that the hier block is outputting a vector of the size > corresponding to the initial/default value set inside the hier block. > Therefore, whenever the initial parameter value does not match that set in > the top flowgraph, error occurs. Hypothesis The error message generated in > GRC may not be a problem due to the failure of the passing of parameters > during run-time but the problem of GRC using the initial parameter value > defined internally in the hier block when it comes to determining the > source/sink I/O size. Thank you for any insights you may provide. Grace * > > -- > Grace K. Yeung, MS > NorthWest Research Associates > 301 Webster Street > Monterey, CA 93940 > gr...@nwra.com > https://www.nwra.com/ > >
