added python class for sending packets to the 'beleuchtung'
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5606120873
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5d4d797e9a
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import socket
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import struct
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import ctypes
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class OutOfRange(Exception):
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pass
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class Beleuchtung(object):
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def __init__(self, segments, addr):
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if len(segments) == 0:
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raise OutOfRange
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if len(addr) == 0:
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raise OutOfRange
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self.segments = segments
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num_of_leds = 0
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for i in segments:
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num_of_leds += i
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self.data = [0,0,0] * num_of_leds
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self.addr = addr
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self.s = [socket.socket(socket.AF_INET, socket.SOCK_DGRAM) for i in addr]
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def __del__(self):
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del self.s
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def get_num_of_segments(self):
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return len(self.segments)
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def set_segment(self, num, data):
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if num < 0 or num >= len(self.segments):
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raise OutOfRange
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i = 0
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for j in self.segments[:num]:
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i += j
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i *= 3
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self.data = self.data[:i] + data * self.segments[num] + self.data[i+self.segments[num]*3:]
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def send(self):
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for i in range(len(self.addr)):
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self.s[i].sendto(b'r' + struct.pack(">H", len(self.data) + 2) + b'\x00\x00' + bytes(self.data), self.addr[i])
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