message: increase sampling rate for synth board
diff: @@ -189,9 +189,10 @@ void SyntheticBoard::read_thread ()
  streamer->stream_data (package, SyntheticBoard::package_size, timestamp);
  counter++;
  #ifdef _WIN32
  - Sleep ((int)(1000.0 / sampling_rate));
  + // with 3 sampling rate is 250 on all machines
  + Sleep (3);
  #else
  - usleep ((int)(1000000.0 / sampling_rate));
  + usleep (3000);
  #endif
  }
  }
  