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Set animation at runtime via arguments #234

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Set animation at runtime via arguments #234

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a9c9826
User args for pattern
SealedJoy Aug 21, 2019
30b6dcd
User args to pick animation
SealedJoy Aug 21, 2019
5b44e0f
Update wording
joeybab3 Aug 21, 2019
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4 changes: 4 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,10 @@ Once everything has been configured, run [visualization.py](python/visualization

A PyQtGraph GUI will open to display the output of the visualization on the computer. There is a setting to enable/disable the GUI display in [config.py](python/config.py)

You can run visualization.py with one of the following arguments to start in that mode: energy, spectrum, scroll

For example: $ python python/visualization.py spectrum

![visualization-gui](images/visualization-gui.png)

If you encounter any issues or have questions about this project, feel free to [open a new issue](https://github.com/scottlawsonbc/audio-reactive-led-strip/issues).
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30 changes: 27 additions & 3 deletions python/visualization.py
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Expand Up @@ -7,6 +7,7 @@
import microphone
import dsp
import led
import sys

_time_prev = time.time() * 1000.0
"""The previous time that the frames_per_second() function was called"""
Expand Down Expand Up @@ -248,10 +249,22 @@ def microphone_update(audio_samples):
# Array containing the rolling audio sample window
y_roll = np.random.rand(config.N_ROLLING_HISTORY, samples_per_frame) / 1e16

visualization_effect = visualize_spectrum
"""Visualization effect to display on the LED strip"""


"""Visualization effect to display on the LED strip"""
if len(sys.argv) == 1:
"""No args were passed"""
visualization_effect = visualize_spectrum
else:
if sys.argv[1] == "spectrum":
visualization_effect = visualize_spectrum
elif sys.argv[1] == "energy":
visualization_effect = visualize_energy
elif sys.argv[1] == "scroll":
visualization_effect = visualize_scroll
else:
print("Invalid argument! - Possible values are: spectrum, energy, scroll")

if __name__ == '__main__':
if config.USE_GUI:
import pyqtgraph as pg
Expand Down Expand Up @@ -340,7 +353,18 @@ def spectrum_click(x):
energy_label.mousePressEvent = energy_click
scroll_label.mousePressEvent = scroll_click
spectrum_label.mousePressEvent = spectrum_click
energy_click(0)
"""Start GUI page based on args"""
if len(sys.argv) == 1:
spectrum_click(0)
else:
if sys.argv[1] == "energy":
energy_click(0)
elif sys.argv[1] == "spectrum":
spectrum_click(0)
elif sys.argv[1] == "scroll":
scroll_click(0)
else:
print("Error choosing default GUI page due to unknown user arg")
# Layout
layout.nextRow()
layout.addItem(freq_label, colspan=3)
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