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from numpy import zeros
argDict = {'flags': 0, 'startcode': 0x0fff, 'pad':0}
# Allocate a buffer for transmitted packets and fill it with magic
# Only works for strips of 50 pixels
xmit = zeros(174, dtype='ubyte')
xmit[:8], xmit[20:24] = [4,1,220,74,1,0,8,1], [150,0,255,15]
def composePixelStripPacket(values, port):
xmit[16], xmit[24:] = port, values.ravel()
return xmit
import socket
def getConnectedSocket(ip,port):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
sock.connect((ip, port))
return sock
except Exception as inst:
print 'socket failure'
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