diff options
| author | Matt Ettus <matt@ettus.com> | 2010-12-11 14:42:57 -0800 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2010-12-11 14:42:57 -0800 |
| commit | 9db640f51b3af0cc73a94471a623b4d394ec2aab (patch) | |
| tree | 7593455cb995652214daa707bbe241a8138b293a | |
| parent | 504a2cce5df490bf9a6b2023cc1df568e51da20a (diff) | |
Create method to set rate on pfb_arb_resamp after it has been created.
Allow it to be called from GRC.
5 files changed, 18 insertions, 6 deletions
diff --git a/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.cc b/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.cc index 59b76a6f06..2136dd8430 100644 --- a/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.cc +++ b/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.cc @@ -58,8 +58,7 @@ gr_pfb_arb_resampler_ccf::gr_pfb_arb_resampler_ccf (float rate, process. */ d_int_rate = filter_size; - d_dec_rate = (unsigned int)floor(d_int_rate/rate); - d_flt_rate = (d_int_rate/rate) - d_dec_rate; + set_rate(rate); // Store the last filter between calls to work d_last_filter = 0; diff --git a/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.h b/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.h index cf5a79d4ee..44dd202b96 100644 --- a/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.h +++ b/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.h @@ -161,7 +161,11 @@ public: * Print all of the filterbank taps to screen. */ void print_taps(); - + void set_rate (float rate) { + d_dec_rate = (unsigned int)floor(d_int_rate/rate); + d_flt_rate = (d_int_rate/rate) - d_dec_rate; + } + int general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, diff --git a/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.i b/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.i index 4f07af8613..77f28acdfa 100644 --- a/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.i +++ b/gnuradio-core/src/lib/filter/gr_pfb_arb_resampler_ccf.i @@ -38,4 +38,5 @@ class gr_pfb_arb_resampler_ccf : public gr_block //void set_taps (const std::vector<float> &taps); void print_taps(); + void set_rate (float rate); }; diff --git a/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py b/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py index cd9289fa5f..74eae58dc1 100644 --- a/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py +++ b/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py @@ -48,9 +48,14 @@ class pfb_arb_resampler_ccf(gr.hier_block2): self._taps = gr.firdes.low_pass_2(self._size, self._size, bw, tb, atten) self.pfb = gr.pfb_arb_resampler_ccf(self._rate, self._taps, self._size) - + #print "PFB has %d taps\n" % (len(self._taps),) + self.connect(self, self.pfb) self.connect(self.pfb, self) - + + # Note -- set_taps not implemented in base class yet def set_taps(self, taps): self.pfb.set_taps(taps) + + def set_rate(self, rate): + self.pfb.set_rate(rate) diff --git a/grc/blocks/blks2_pfb_arb_resampler.xml b/grc/blocks/blks2_pfb_arb_resampler.xml index 062b0dd98f..b4e09791f3 100644 --- a/grc/blocks/blks2_pfb_arb_resampler.xml +++ b/grc/blocks/blks2_pfb_arb_resampler.xml @@ -14,7 +14,10 @@ $taps, $size, )</make> - <callback>set_taps($taps)</callback> + <!-- Set taps not implemented yet + <callback>set_taps($taps)</callback> + --> + <callback>set_rate($rate)</callback> <param> <name>Resample Rate</name> <key>rate</key> |