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Final merge of GSoC work into master
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| #!/usr/bin/env python2 | ||
| # -*- coding: utf-8 -*- | ||
| ################################################## | ||
| # GNU Radio Python Flow Graph | ||
| # Title: Time Sink Float values example | ||
| ################################################## | ||
|
|
||
| if __name__ == '__main__': | ||
| import ctypes | ||
| import sys | ||
|
|
||
| if sys.platform.startswith('linux'): | ||
| try: | ||
| x11 = ctypes.cdll.LoadLibrary('libX11.so') | ||
| x11.XInitThreads() | ||
| except: | ||
| print "Warning: failed to XInitThreads()" | ||
|
|
||
| import functools | ||
| import signal | ||
| import time | ||
|
|
||
| import bokehgui | ||
| from bokeh.client import push_session | ||
| from bokeh.plotting import curdoc | ||
| from gnuradio import analog, blocks, gr | ||
|
|
||
|
|
||
| class top_block(gr.top_block): | ||
| def __init__(self, doc): | ||
| gr.top_block.__init__(self, "Top Block") | ||
| self.doc = doc | ||
| self.widget_lst = [] | ||
| self.plot_lst = [] | ||
|
|
||
| ################################################## | ||
| # Variables | ||
| ################################################## | ||
| self.samp_rate = samp_rate = 32000 | ||
|
|
||
| ################################################## | ||
| # Blocks | ||
| ################################################## | ||
| self.bokehgui_const_sink_c_proc_0 = bokehgui.time_sink_c_proc(1024, | ||
| samp_rate, | ||
| "Waterfall Sink", | ||
| 1) | ||
| self.bokehgui_const_sink_c_0 = bokehgui.const_sink_c(self.doc, | ||
| self.plot_lst, | ||
| self.bokehgui_const_sink_c_proc_0) | ||
| self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, | ||
| samp_rate, True) | ||
| self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, | ||
| analog.GR_COS_WAVE, | ||
| 500, 3, 0) | ||
| self.analog_noise_source_x_0 = analog.noise_source_c( | ||
| analog.GR_GAUSSIAN, 0.00, 0) | ||
| self.blocks_add_xx_0 = blocks.add_vcc(1) | ||
|
|
||
| ################################################## | ||
| # Customizing the plot | ||
| ################################################## | ||
| self.bokehgui_const_sink_c_0.initialize(legend_list = ['Signal1'], | ||
| update_time = 100) | ||
|
|
||
| self.bokehgui_const_sink_c_0.set_y_label('Q Channel') | ||
| self.bokehgui_const_sink_c_0.set_x_label('I Channel') | ||
| self.bokehgui_const_sink_c_0.set_layout(1, 1, 1, 1) | ||
|
|
||
| self.doc.add_root(bokehgui.BokehLayout.create_layout(self.plot_lst)) | ||
| ################################################## | ||
| # Connections | ||
| ################################################## | ||
| self.connect((self.analog_sig_source_x_0, 0), | ||
| (self.blocks_add_xx_0, 0)) | ||
| self.connect((self.analog_noise_source_x_0, 0), | ||
| (self.blocks_add_xx_0, 1)) | ||
| self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0)) | ||
| self.connect((self.blocks_throttle_0, 0), | ||
| (self.bokehgui_const_sink_c_proc_0, 0)) | ||
|
|
||
| def get_samp_rate(self): | ||
| return self.samp_rate | ||
|
|
||
| def set_samp_rate(self, samp_rate): | ||
| self.samp_rate = samp_rate | ||
| self.blocks_throttle_0.set_sample_rate(self.samp_rate) | ||
| self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate) | ||
| self.bokehgui_const_sink_c_0.set_frequency_range( | ||
| [0, self.samp_rate / 2]) | ||
|
|
||
|
|
||
| def main(top_block_cls = top_block, options = None): | ||
| serverProc, port = bokehgui.utils.create_server() | ||
|
|
||
| def killProc(signum, frame, tb): | ||
| tb.stop() | ||
| tb.wait() | ||
| serverProc.terminate() | ||
| serverProc.kill() | ||
|
|
||
| time.sleep(1) | ||
| try: | ||
| # Define the document instance | ||
| doc = curdoc() | ||
| session = push_session(doc, session_id = "test", | ||
| url = "http://localhost:" + port + "/bokehgui") | ||
| # Create Top Block instance | ||
| tb = top_block_cls(doc) | ||
| try: | ||
| tb.start() | ||
| signal.signal(signal.SIGTERM, functools.partial(killProc, tb = tb)) | ||
| session.loop_until_closed() | ||
| finally: | ||
| print "Exiting the simulation. Stopping Bokeh Server" | ||
| tb.stop() | ||
| tb.wait() | ||
| finally: | ||
| serverProc.terminate() | ||
| serverProc.kill() | ||
|
|
||
|
|
||
| if __name__ == '__main__': | ||
| main() |
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