40 lines
957 B
Python
40 lines
957 B
Python
import socket
|
|
import struct
|
|
import ctypes
|
|
|
|
class OutOfRange(Exception):
|
|
pass
|
|
|
|
class Beleuchtung(object):
|
|
def __init__(self, segments, addr):
|
|
if len(segments) == 0:
|
|
raise OutOfRange
|
|
if len(addr) == 0:
|
|
raise OutOfRange
|
|
self.segments = segments
|
|
num_of_leds = 0
|
|
for i in segments:
|
|
num_of_leds += i
|
|
self.data = [0,0,0] * num_of_leds
|
|
self.addr = addr
|
|
self.s = [socket.socket(socket.AF_INET, socket.SOCK_DGRAM) for i in addr]
|
|
|
|
def __del__(self):
|
|
del self.s
|
|
|
|
def get_num_of_segments(self):
|
|
return len(self.segments)
|
|
|
|
def set_segment(self, num, data):
|
|
if num < 0 or num >= len(self.segments):
|
|
raise OutOfRange
|
|
i = 0
|
|
for j in self.segments[:num]:
|
|
i += j
|
|
i *= 3
|
|
self.data = self.data[:i] + data * self.segments[num] + self.data[i+self.segments[num]*3:]
|
|
|
|
def send(self):
|
|
for i in range(len(self.addr)):
|
|
self.s[i].sendto(b'r' + struct.pack(">H", len(self.data) + 2) + b'\x00\x00' + bytes(self.data), self.addr[i])
|