def blinkytape_artnet_receiver():
print(("Listening in {0}:{1}").format(UDP_IP, UDP_PORT))
sock = socket(AF_INET, SOCK_DGRAM) # UDP
sock.bind((UDP_IP, UDP_PORT))
bt = blinkytape.BlinkyTape(BLINKYTAPE_DEVICE, BLINKYTAPE_LENGTH)
lastSequence = 0
packetCount = 0
lastTime = time.time()
datas = []
while True:
try:
data, addr = sock.recvfrom(1024)
packet = ArtnetPacket.unpack_raw_artnet_packet(data)
if packet != None:
# print("Sequence=%i universe=%i"%(packet.sequence,packet.universe))
packetCount += 1
while len(datas) < packet.universe + 1:
print("adding new universe %i" % (packet.universe))
datas.append('')
datas[packet.universe] = bytearray(packet.data)
# Send an update to the tape when a new sequence is received on the last universe
# and lastSequence != packet.sequence: some artnet doesn't provide sequence updates
if packet.universe == (len(datas)-1):
outputData = bytearray()
for data in datas:
if len(data) > PIXELS_PER_UNIVERSE*BYTES_PER_PIXEL:
data = data[0:PIXELS_PER_UNIVERSE*BYTES_PER_PIXEL]
if len(data) < PIXELS_PER_UNIVERSE*BYTES_PER_PIXEL:
data = data + \
('\x00' * (PIXELS_PER_UNIVERSE *
BYTES_PER_PIXEL - len(data)))
outputData.extend(data)
outputDataStr = ""
for b in outputData:
outputDataStr += chr(b)
bt.sendData(outputDataStr)
lastSequence = packet.sequence
if time.time() > lastTime+1:
print("Packets per second: %i" % (packetCount))
packetCount = 0
lastTime = time.time()
except KeyboardInterrupt:
sock.close()
sys.exit()
def connect(port):
if not port:
sys.exit("Could not locate a BlinkyTape.")
print("BlinkyTape found at: %s" % port)
bt = blinkytape.BlinkyTape(port)
bt.displayColor(0, 0, 0)
return bt
data += makePixel(r, g, b)
self.j += .3
self.f += .3
self.k += .5
return data
if __name__ == "__main__":
import blinkytape
import time
animation = colorloop(14 * 3, 1, 1, 1)
bt = blinkytape.BlinkyTape()
i = 0
while True:
data = animation.getData()
for pixel in range(0, 14 * 3):
bt.sendPixel(ord(data[pixel * 3 + 0]), ord(data[pixel * 3 + 1]),
ord(data[pixel * 3 + 2]))
bt.show()
i += 1
if i > 985:
animation = colorloop(14 * 3, 1, 1, 1)
i = 0
def __init__(self, port):
super(BlinkyTape, self).__init__()
self.btape = blinkytape.BlinkyTape(port)
self.c_color = (0, 0, 0)
self.set_color(RGB_OFF)