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#!/usr/bin/env python3
# Python stdlib
import sys
# Grahical libraries
from dearpygui.dearpygui import *
import dearpygui._dearpygui as internal_dpg
from dearpygui.demo import show_demo
# Detect (unix) signals
import signal
# Mathematics
import numpy as np
from numpy_ringbuffer import RingBuffer
# For debugging
import logging
# Remote resources
import net
#================================================
# Debugging tools
logging.basicConfig(format="[%(levelname)s] %(asctime)s %(message)s", level=logging.DEBUG)
logger = logging.getLogger(__name__)
#================================================
# Initialize DearPyGUI
create_context()
create_viewport(title="Fading Demonstrator")
setup_dearpygui()
# Show demo for dev
show_demo()
#================================================
# Network classes
class network_plot(net.udpsource):
def __init__(self, url, nsamples, **kwargs):
net.udpsource.__init__(self, url)
self.nsamples = nsamples
self.plot = plot(**kwargs)
# create buffer and fill with zeroes
self.buffer = RingBuffer(capacity=nsamples, dtype=(np.float, 2))
for i in range(nsamples):
# TODO: remove random data used for testing
self.buffer.append(np.array([i, 1 + np.random.rand() / 5]))
self.bind()
def __enter__(self):
return self.plot.__enter__()
def __exit__(self, t, val, tb):
self.plot.__exit__(t, val, tb)
@property
def x_data(self):
return np.array(self.buffer[:,0])
@property
def y_data(self):
return np.array(self.buffer[:,1])
def refresh(self, series_tag):
# set_value(series_tag, [self.x_data, self.y_data])
pass
#================================================
# GUI Callback functions
# Flow graph window
def on_rx_node_link(sender, app_data):
link_id_1, link_id_2 = app_data
add_node_link(link_id_1, link_id_2, parent=sender)
def on_rx_node_delink(sender, app_data):
link_id = app_data
delete_item(link_id)
#================================================
# Settings Window
with window(label="Settings", width=200, height=400, pos=(25, 450), tag="sim_win"):
with child_window(autosize_x=True, height=100):
add_button(label="Toggle Fullscreen", callback= toggle_viewport_fullscreen)
#================================================
# Flow Graph Window
with window(label="RX DSP Flow Graph", width=800, height=400, pos=(25,25), tag="rx_win"):
with node_editor(callback=on_rx_node_link, delink_callback=on_rx_node_delink):
with node(label="USRP Source", pos=(20,100)):
with node_attribute(tag="src_out", attribute_type=mvNode_Attr_Output):
add_text("Signal from antenna")
with node(label="Clock Sync", pos=(200,200)):
with node_attribute(tag="clksync_in", attribute_type=mvNode_Attr_Input):
add_text("Input")
with node_attribute(tag="clksync_out", attribute_type=mvNode_Attr_Output):
add_text("Synchronized")
with node(label="Equalizer", pos=(350,100)):
with node_attribute(tag="eq_in", attribute_type=mvNode_Attr_Input):
add_text("Input")
with node_attribute(attribute_type=mvNode_Attr_Static):
add_knob_float(label="Gain")
with node_attribute(tag="eq_out", attribute_type=mvNode_Attr_Output):
add_text("Equalized")
with node(label="Phase Locked Loop", pos=(600, 200)):
with node_attribute(tag="pll_in", attribute_type=mvNode_Attr_Input):
add_text("Input")
with node_attribute(tag="pll_out", attribute_type=mvNode_Attr_Output):
add_text("Locked")
add_knob_float(label="Loop BW")
add_node_link(get_alias_id("src_out"), get_alias_id("clksync_in"))
add_node_link(get_alias_id("clksync_out"), get_alias_id("eq_in"))
add_node_link(get_alias_id("eq_out"), get_alias_id("pll_in"))
#================================================
# Network plots Window
recv_plot = network_plot(url="udp://localhost:31415", nsamples=100, label="Test", height=300, width=800)
plots = {
recv_plot: "plt_ampl"
}
with window(label="Time domain plots", width=800, height=400, pos=(850,25)):
with recv_plot:
add_plot_axis(mvXAxis, label="Time")
add_plot_axis(mvYAxis, label="Amplitude", tag="plt_ampl")
add_line_series(recv_plot.x_data, recv_plot.y_data, parent="plt_ampl")
#================================================
# Start GUI and main loop
# Start window and main loop
show_viewport()
# Main loop
while is_dearpygui_running():
for plt, tag in plots.items():
plt.refresh(tag)
render_dearpygui_frame()
#================================================
# Close everything
# clean up gui
destroy_context()
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