uhd: filled in multi usrp code and swig file

1 files changed, 151 insertions, 0 deletions

diff --git a/gr-uhd/lib/uhd_multi_usrp_sink.cc b/gr-uhd/lib/uhd_multi_usrp_sink.cc
index 6854649c3..202f12840 100644
--- a/gr-uhd/lib/uhd_multi_usrp_sink.cc
+++ b/gr-uhd/lib/uhd_multi_usrp_sink.cc
@@ -22,3 +22,154 @@
 #include <uhd_multi_usrp_sink.h>
 #include <gr_io_signature.h>
 #include <stdexcept>
+
+/***********************************************************************
+ * UHD Multi USRP Sink
+ **********************************************************************/
+uhd_multi_usrp_sink::uhd_multi_usrp_sink(gr_io_signature_sptr sig)
+:gr_sync_block("uhd multi usrp sink", sig, gr_make_io_signature(0, 0, 0)){
+    /* NOP */
+}
+
+/***********************************************************************
+ * UHD Multi USRP Sink Impl
+ **********************************************************************/
+class uhd_multi_usrp_sink_impl : public uhd_multi_usrp_sink{
+public:
+    uhd_multi_usrp_sink_impl(
+        const std::string &args,
+        const uhd::io_type_t &type,
+        size_t num_channels
+    ) : uhd_multi_usrp_sink(gr_make_io_signature(num_channels, num_channels, type.size)), _type(type), _nchan(num_channels)
+    {
+        _dev = uhd::usrp::multi_usrp::make(args);
+    }
+
+    void set_subdev_spec(const std::string &spec, size_t mboard){
+        return _dev->set_tx_subdev_spec(spec, mboard);
+    }
+
+    void set_samp_rate(double rate){
+        _dev->set_tx_rate(rate);
+    }
+
+    double get_samp_rate(void){
+        return _dev->get_tx_rate();
+    }
+
+    uhd::tune_result_t set_center_freq(double freq, size_t chan){
+        uhd::tune_result_t tr = _dev->set_tx_freq(freq, chan);
+        return tr;
+    }
+
+    uhd::freq_range_t get_freq_range(size_t chan){
+        return _dev->get_tx_freq_range(chan);
+    }
+
+    void set_gain(float gain, size_t chan){
+        return _dev->set_tx_gain(gain, chan);
+    }
+
+    float get_gain(size_t chan){
+        return _dev->get_tx_gain(chan);
+    }
+
+    uhd::gain_range_t get_gain_range(size_t chan){
+        return _dev->get_tx_gain_range(chan);
+    }
+
+    void set_antenna(const std::string &ant, size_t chan){
+        return _dev->set_tx_antenna(ant, chan);
+    }
+
+    std::string get_antenna(size_t chan){
+        return _dev->get_tx_antenna(chan);
+    }
+
+    std::vector<std::string> get_antennas(size_t chan){
+        return _dev->get_tx_antennas(chan);
+    }
+
+    void set_clock_config(const uhd::clock_config_t &clock_config, size_t mboard){
+        return _dev->set_clock_config(clock_config, mboard);
+    }
+
+    uhd::time_spec_t get_time_now(void){
+        return _dev->get_time_now();
+    }
+
+    void set_time_next_pps(const uhd::time_spec_t &time_spec){
+        return _dev->set_time_next_pps(time_spec);
+    }
+
+    void set_time_unknown_pps(const uhd::time_spec_t &time_spec){
+        return _dev->set_time_unknown_pps(time_spec);
+    }
+
+    uhd::usrp::multi_usrp::sptr get_device(void){
+        return _dev;
+    }
+
+/***********************************************************************
+ * Work
+ **********************************************************************/
+    int work(
+        int noutput_items,
+        gr_vector_const_void_star &input_items,
+        gr_vector_void_star &output_items
+    ){
+        uhd::tx_metadata_t metadata;
+        metadata.start_of_burst = true;
+
+        return _dev->get_device()->send(
+            input_items, noutput_items, metadata,
+            _type, uhd::device::SEND_MODE_FULL_BUFF
+        );
+    }
+
+    //Send an empty start-of-burst packet to begin streaming.
+    //Set at a time in the near future so data will be sync'd.
+    bool start(void){
+        uhd::tx_metadata_t metadata;
+        metadata.start_of_burst = true;
+        metadata.has_time_spec = true;
+        metadata.time_spec = get_time_now() + uhd::time_spec_t(0.01); //10ms offset in future
+
+        _dev->get_device()->send(
+            gr_vector_const_void_star(_nchan), 0, metadata,
+            _type, uhd::device::SEND_MODE_ONE_PACKET
+        );
+        return true;
+    }
+
+    //Send an empty end-of-burst packet to end streaming.
+    //Ending the burst avoids an underflow error on stop.
+    bool stop(void){
+        uhd::tx_metadata_t metadata;
+        metadata.end_of_burst = true;
+
+        _dev->get_device()->send(
+            gr_vector_const_void_star(_nchan), 0, metadata,
+            _type, uhd::device::SEND_MODE_ONE_PACKET
+        );
+        return true;
+    }
+
+protected:
+    uhd::usrp::multi_usrp::sptr _dev;
+    const uhd::io_type_t _type;
+    size_t _nchan;
+};
+
+/***********************************************************************
+ * Make UHD Multi USRP Sink
+ **********************************************************************/
+boost::shared_ptr<uhd_multi_usrp_sink> uhd_make_multi_usrp_sink(
+    const std::string &args,
+    const uhd::io_type_t::tid_t &type,
+    size_t num_channels
+){
+    return boost::shared_ptr<uhd_multi_usrp_sink>(
+        new uhd_multi_usrp_sink_impl(args, type, num_channels)
+    );
+}