Remove dependency on scipy, use numpy hanning window.

requirements.txt

@@ -1,5 +1,4 @@
 numpy
-scipy
 pyaudio
 requests
 crcmod

setup.py

@@ -40,11 +40,10 @@ if __name__ == "__main__":
             "Intended Audience :: Developers",
             "Programming Language :: Python :: 3.6",
             "Programming Language :: Python :: 3.7",
-        ]
-        # TODO: Deal with entry points.
-        # entry_points={
-        #     "console_scripts": [
-        #         "hfssdv=hfssdv.gui.main",
-        #     ]
-        # },
+        ],
+        entry_points={
+            "console_scripts": [
+                "horus-gui=horusgui.gui",
+            ]
+        }
     )

src/horusgui/fft.py

@@ -2,7 +2,6 @@
 import logging
 import time
 import numpy as np
-import scipy.signal
 from queue import Queue
 from threading import Thread
 
@@ -40,7 +39,7 @@ class FFTProcess(object):
 
     def init_window(self):
         """ Initialise Window functions and FFT scales. """
-        self.window = scipy.signal.blackmanharris(self.nfft)
+        self.window = np.hanning(self.nfft)
         self.fft_scale = np.fft.fftshift(np.fft.fftfreq(self.nfft)) * self.fs
         self.mask = (self.fft_scale > self.range[0]) & (self.fft_scale < self.range[1])
 

src/horusgui/gui.py

@@ -160,6 +160,7 @@ w1_habitat.addWidget(widgets["userAntennaLabel"], 3, 0, 1, 1)
 w1_habitat.addWidget(widgets["userAntennaEntry"], 3, 1, 1, 2)
 w1_habitat.addWidget(widgets["userRadioLabel"], 4, 0, 1, 1)
 w1_habitat.addWidget(widgets["userRadioEntry"], 4, 1, 1, 2)
+w1_habitat.layout.setRowStretch(5,1)
 
 d0_habitat.addWidget(w1_habitat)
 
@@ -175,6 +176,8 @@ w1_other.addWidget(widgets["horusUploadLabel"], 0, 0, 1, 1)
 w1_other.addWidget(widgets["horusUploadSelector"], 0, 1, 1, 1)
 w1_other.addWidget(widgets["horusUDPLabel"], 1, 0, 1, 1)
 w1_other.addWidget(widgets["horusUDPEntry"], 1, 1, 1, 1)
+w1_other.layout.setRowStretch(5,1)
+
 d0_other.addWidget(w1_other)
 
 # Spectrum Display
@@ -183,12 +186,6 @@ widgets["spectrumPlot"].setLabel("left", "Power (dB)")
 widgets["spectrumPlot"].setLabel("bottom", "Frequency (Hz)")
 widgets["spectrumPlotData"] = widgets["spectrumPlot"].plot([0])
 
-widgets["spectrumPlot"].setLabel("left", "Power (dBFs)")
-widgets["spectrumPlot"].setLabel("bottom", "Frequency", units="Hz")
-widgets["spectrumPlot"].setXRange(100, 4000)
-widgets["spectrumPlot"].setYRange(-100, -20)
-widgets["spectrumPlot"].setLimits(xMin=0, xMax=4000, yMin=-120, yMax=0)
-
 # Frequency Estiator Outputs
 widgets["estimatorLines"] = [
     pg.InfiniteLine(
@@ -215,6 +212,12 @@ widgets["estimatorLines"] = [
 for _line in widgets["estimatorLines"]:
     widgets["spectrumPlot"].addItem(_line)
 
+widgets["spectrumPlot"].setLabel("left", "Power (dBFs)")
+widgets["spectrumPlot"].setLabel("bottom", "Frequency", units="Hz")
+widgets["spectrumPlot"].setXRange(100, 4000)
+widgets["spectrumPlot"].setYRange(-100, -20)
+widgets["spectrumPlot"].setLimits(xMin=100, xMax=4000, yMin=-120, yMax=0)
+
 d1.addWidget(widgets["spectrumPlot"])
 
 widgets["spectrumPlotRange"] = [-100, -20]
@@ -330,8 +333,10 @@ def start_decoding():
         # TODO: Grab horus data here.
 
         # Init FFT Processor
+        NFFT = 2**14
+        STRIDE = 2**13
         fft_process = FFTProcess(
-            nfft=8192, stride=4096, fs=_sample_rate, callback=add_fft_update
+            nfft=NFFT, stride=STRIDE, fs=_sample_rate, callback=add_fft_update
         )
 
         # TODO: Setup modem here