diff options
Diffstat (limited to 'gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h')
| -rw-r--r-- | gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h b/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h index 81f9c0c8c5..ed65d3136c 100644 --- a/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h +++ b/gr-qtgui/include/gnuradio/qtgui/freq_sink_f.h @@ -28,6 +28,7 @@ #endif #include <gnuradio/qtgui/api.h> +#include <gnuradio/qtgui/trigger_mode.h> #include <gnuradio/sync_block.h> #include <qapplication.h> #include <gnuradio/filter/firdes.h> @@ -117,6 +118,40 @@ namespace gr { virtual void set_line_marker(int which, int marker) = 0; virtual void set_line_alpha(int which, double alpha) = 0; + /*! + * Pass "true" to this function to only show the positive half + * of the spectrum. By default, this plotter shows the full + * spectrum (positive and negative halves). + */ + virtual void set_plot_pos_half(bool half) = 0; + + /*! + * Set up a trigger for the sink to know when to start + * plotting. Useful to isolate events and avoid noise. + * + * The trigger modes are Free, Auto, Normal, and Tag (see + * gr::qtgui::trigger_mode). The first three are like a normal + * trigger function. Free means free running with no trigger, + * auto will trigger if the trigger event is seen, but will + * still plot otherwise, and normal will hold until the trigger + * event is observed. The Tag trigger mode allows us to trigger + * off a specific stream tag. The tag trigger is based only on + * the name of the tag, so when a tag of the given name is seen, + * the trigger is activated. + * + * In auto and normal mode, we look to see if the magnitude of + * the any FFT point is over the set level. + * + * \param mode The trigger_mode: free, auto, normal, or tag. + * \param level The magnitude of the trigger even for auto or normal modes. + * \param channel Which input channel to use for the trigger events. + * \param tag_key The name (as a string) of the tag to trigger off + * of if using the tag mode. + */ + virtual void set_trigger_mode(trigger_mode mode, + float level, int channel, + const std::string &tag_key="") = 0; + virtual std::string title() = 0; virtual std::string line_label(int which) = 0; virtual std::string line_color(int which) = 0; |