33 lines
1.0 KiB
Python
33 lines
1.0 KiB
Python
from __future__ import print_function
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import socket
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import numpy as np
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import config
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_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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_gamma = np.load('gamma_table.npy')
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_prev_pixels = np.tile(255, (config.N_PIXELS, 3))
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pixels = np.tile(1, (config.N_PIXELS, 3))
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"""Array containing the pixel values for the LED strip"""
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def update():
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global pixels, _prev_pixels
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pixels = np.clip(pixels, 0, 255)
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m = ''
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for i in range(config.N_PIXELS):
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# Ignore pixels if they haven't changed (saves bandwidth)
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if np.array_equal(pixels[i], _prev_pixels[i]):
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continue
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r = _gamma[pixels[i][0]] if config.GAMMA_CORRECTION else pixels[i][0]
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g = _gamma[pixels[i][1]] if config.GAMMA_CORRECTION else pixels[i][1]
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b = _gamma[pixels[i][2]] if config.GAMMA_CORRECTION else pixels[i][2]
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m += chr(i) + chr(r) + chr(g) + chr(b)
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_prev_pixels = np.copy(pixels)
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_sock.sendto(m, (config.UDP_IP, config.UDP_PORT))
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if __name__ == '__main__':
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pixels = pixels * 0
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update()
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